Commit 76072260 authored by Kamil Trzciński's avatar Kamil Trzciński

Merge branch '22864-kubernetes-deploy-with-terminal' into 'master'

Add online terminal support for Kubernetes

## What does this MR do?

Gives terminal access to kubernetes-deployed environments  via the deployment service

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

Part of idea to production

## Screenshots (if relevant)

### `/root/reviewing/environments`

![Screen_Shot_2016-12-15_at_19.10.40](/uploads/bd2c54c07b6c85dec3328a20cd185b64/Screen_Shot_2016-12-15_at_19.10.40.png)

### `/root/reviewing/environments/10013`

![Screen_Shot_2016-12-19_at_12.52.39](/uploads/db4e4e06cda88437e8727433d65898b9/Screen_Shot_2016-12-19_at_12.52.39.png)

### `/root/reviewing/enviroments/10013/terminal`

![Screen_Shot_2016-12-15_at_02.35.52](/uploads/1bb77b7e2de2c657ae3bda62dc4f0970/Screen_Shot_2016-12-15_at_02.35.52.png)

## Does this MR meet the acceptance criteria?

- [x] [Changelog entry](https://docs.gitlab.com/ce/development/changelog.html) added
- [x] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- Tests
  - [X] Added for this feature/bug
  - [x] All builds are passing
- [X] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [X] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?

* Closes #22864 #22958
* Alternative to, and somewhat based on,  !6770 
* Depends on https://gitlab.com/gitlab-org/gitlab-workhorse/merge_requests/83

See merge request !7690
parents deb74f73 d2212a8b
...@@ -18,7 +18,7 @@ ...@@ -18,7 +18,7 @@
* The environments array is a recursive tree structure and we need to filter * The environments array is a recursive tree structure and we need to filter
* both root level environments and children environments. * both root level environments and children environments.
* *
* In order to acomplish that, both `filterState` and `filterEnvironmnetsByState` * In order to acomplish that, both `filterState` and `filterEnvironmentsByState`
* functions work together. * functions work together.
* The first one works as the filter that verifies if the given environment matches * The first one works as the filter that verifies if the given environment matches
* the given state. * the given state.
...@@ -34,9 +34,9 @@ ...@@ -34,9 +34,9 @@
* @param {Array} array * @param {Array} array
* @return {Array} * @return {Array}
*/ */
const filterEnvironmnetsByState = (fn, arr) => arr.map((item) => { const filterEnvironmentsByState = (fn, arr) => arr.map((item) => {
if (item.children) { if (item.children) {
const filteredChildren = filterEnvironmnetsByState(fn, item.children).filter(Boolean); const filteredChildren = filterEnvironmentsByState(fn, item.children).filter(Boolean);
if (filteredChildren.length) { if (filteredChildren.length) {
item.children = filteredChildren; item.children = filteredChildren;
return item; return item;
...@@ -76,12 +76,13 @@ ...@@ -76,12 +76,13 @@
helpPagePath: environmentsData.helpPagePath, helpPagePath: environmentsData.helpPagePath,
commitIconSvg: environmentsData.commitIconSvg, commitIconSvg: environmentsData.commitIconSvg,
playIconSvg: environmentsData.playIconSvg, playIconSvg: environmentsData.playIconSvg,
terminalIconSvg: environmentsData.terminalIconSvg,
}; };
}, },
computed: { computed: {
filteredEnvironments() { filteredEnvironments() {
return filterEnvironmnetsByState(filterState(this.visibility), this.state.environments); return filterEnvironmentsByState(filterState(this.visibility), this.state.environments);
}, },
scope() { scope() {
...@@ -102,7 +103,7 @@ ...@@ -102,7 +103,7 @@
}, },
/** /**
* Fetches all the environmnets and stores them. * Fetches all the environments and stores them.
* Toggles loading property. * Toggles loading property.
*/ */
created() { created() {
...@@ -230,6 +231,7 @@ ...@@ -230,6 +231,7 @@
:can-create-deployment="canCreateDeploymentParsed" :can-create-deployment="canCreateDeploymentParsed"
:can-read-environment="canReadEnvironmentParsed" :can-read-environment="canReadEnvironmentParsed"
:play-icon-svg="playIconSvg" :play-icon-svg="playIconSvg"
:terminal-icon-svg="terminalIconSvg"
:commit-icon-svg="commitIconSvg"></tr> :commit-icon-svg="commitIconSvg"></tr>
<tr v-if="model.isOpen && model.children && model.children.length > 0" <tr v-if="model.isOpen && model.children && model.children.length > 0"
...@@ -240,6 +242,7 @@ ...@@ -240,6 +242,7 @@
:can-create-deployment="canCreateDeploymentParsed" :can-create-deployment="canCreateDeploymentParsed"
:can-read-environment="canReadEnvironmentParsed" :can-read-environment="canReadEnvironmentParsed"
:play-icon-svg="playIconSvg" :play-icon-svg="playIconSvg"
:terminal-icon-svg="terminalIconSvg"
:commit-icon-svg="commitIconSvg"> :commit-icon-svg="commitIconSvg">
</tr> </tr>
......
...@@ -8,6 +8,7 @@ ...@@ -8,6 +8,7 @@
/*= require ./environment_external_url */ /*= require ./environment_external_url */
/*= require ./environment_stop */ /*= require ./environment_stop */
/*= require ./environment_rollback */ /*= require ./environment_rollback */
/*= require ./environment_terminal_button */
(() => { (() => {
/** /**
...@@ -33,6 +34,7 @@ ...@@ -33,6 +34,7 @@
'external-url-component': window.gl.environmentsList.ExternalUrlComponent, 'external-url-component': window.gl.environmentsList.ExternalUrlComponent,
'stop-component': window.gl.environmentsList.StopComponent, 'stop-component': window.gl.environmentsList.StopComponent,
'rollback-component': window.gl.environmentsList.RollbackComponent, 'rollback-component': window.gl.environmentsList.RollbackComponent,
'terminal-button-component': window.gl.environmentsList.TerminalButtonComponent,
}, },
props: { props: {
...@@ -68,6 +70,12 @@ ...@@ -68,6 +70,12 @@
type: String, type: String,
required: false, required: false,
}, },
terminalIconSvg: {
type: String,
required: false,
},
}, },
data() { data() {
...@@ -506,6 +514,14 @@ ...@@ -506,6 +514,14 @@
</stop-component> </stop-component>
</div> </div>
<div v-if="model.terminal_path"
class="inline js-terminal-button-container">
<terminal-button-component
:terminal-icon-svg="terminalIconSvg"
:terminal-path="model.terminal_path">
</terminal-button-component>
</div>
<div v-if="canRetry && canCreateDeployment" <div v-if="canRetry && canCreateDeployment"
class="inline js-rollback-component-container"> class="inline js-rollback-component-container">
<rollback-component <rollback-component
......
/*= require vue */
/* global Vue */
(() => {
window.gl = window.gl || {};
window.gl.environmentsList = window.gl.environmentsList || {};
window.gl.environmentsList.TerminalButtonComponent = Vue.component('terminal-button-component', {
props: {
terminalPath: {
type: String,
default: '',
},
terminalIconSvg: {
type: String,
default: '',
},
},
template: `
<a class="btn terminal-button"
:href="terminalPath">
<span class="js-terminal-icon-container" v-html="terminalIconSvg"></span>
</a>
`,
});
})();
/* global Terminal */
(() => {
class GLTerminal {
constructor(options) {
this.options = options || {};
this.options.cursorBlink = options.cursorBlink || true;
this.options.screenKeys = options.screenKeys || true;
this.container = document.querySelector(options.selector);
this.setSocketUrl();
this.createTerminal();
$(window).off('resize.terminal').on('resize.terminal', () => {
this.terminal.fit();
});
}
setSocketUrl() {
const { protocol, hostname, port } = window.location;
const wsProtocol = protocol === 'https:' ? 'wss://' : 'ws://';
const path = this.container.dataset.projectPath;
this.socketUrl = `${wsProtocol}${hostname}:${port}${path}`;
}
createTerminal() {
this.terminal = new Terminal(this.options);
this.socket = new WebSocket(this.socketUrl, ['terminal.gitlab.com']);
this.socket.binaryType = 'arraybuffer';
this.terminal.open(this.container);
this.socket.onopen = () => { this.runTerminal(); };
this.socket.onerror = () => { this.handleSocketFailure(); };
}
runTerminal() {
const decoder = new TextDecoder('utf-8');
const encoder = new TextEncoder('utf-8');
this.terminal.on('data', (data) => {
this.socket.send(encoder.encode(data));
});
this.socket.addEventListener('message', (ev) => {
this.terminal.write(decoder.decode(ev.data));
});
this.isTerminalInitialized = true;
this.terminal.fit();
}
handleSocketFailure() {
this.terminal.write('\r\nConnection failure');
}
}
window.gl = window.gl || {};
gl.Terminal = GLTerminal;
})();
//= require xterm/xterm.js
//= require xterm/fit.js
//= require ./terminal.js
$(() => new gl.Terminal({ selector: '#terminal' }));
...@@ -230,6 +230,13 @@ ...@@ -230,6 +230,13 @@
} }
} }
.btn-terminal {
svg {
height: 14px;
width: 18px;
}
}
.btn-lg { .btn-lg {
padding: 12px 20px; padding: 12px 20px;
} }
......
...@@ -726,3 +726,23 @@ ...@@ -726,3 +726,23 @@
padding: 5px 5px 5px 7px; padding: 5px 5px 5px 7px;
} }
} }
.terminal-icon {
margin-left: 3px;
}
.terminal-container {
.content-block {
border-bottom: none;
}
#terminal {
margin-top: 10px;
min-height: 450px;
box-sizing: border-box;
> div {
min-height: 450px;
}
}
}
...@@ -4,17 +4,19 @@ class Projects::EnvironmentsController < Projects::ApplicationController ...@@ -4,17 +4,19 @@ class Projects::EnvironmentsController < Projects::ApplicationController
before_action :authorize_create_environment!, only: [:new, :create] before_action :authorize_create_environment!, only: [:new, :create]
before_action :authorize_create_deployment!, only: [:stop] before_action :authorize_create_deployment!, only: [:stop]
before_action :authorize_update_environment!, only: [:edit, :update] before_action :authorize_update_environment!, only: [:edit, :update]
before_action :environment, only: [:show, :edit, :update, :stop] before_action :authorize_admin_environment!, only: [:terminal, :terminal_websocket_authorize]
before_action :environment, only: [:show, :edit, :update, :stop, :terminal, :terminal_websocket_authorize]
before_action :verify_api_request!, only: :terminal_websocket_authorize
def index def index
@scope = params[:scope] @scope = params[:scope]
@environments = project.environments @environments = project.environments
respond_to do |format| respond_to do |format|
format.html format.html
format.json do format.json do
render json: EnvironmentSerializer render json: EnvironmentSerializer
.new(project: @project) .new(project: @project, user: current_user)
.represent(@environments) .represent(@environments)
end end
end end
...@@ -56,8 +58,33 @@ class Projects::EnvironmentsController < Projects::ApplicationController ...@@ -56,8 +58,33 @@ class Projects::EnvironmentsController < Projects::ApplicationController
redirect_to polymorphic_path([project.namespace.becomes(Namespace), project, new_action]) redirect_to polymorphic_path([project.namespace.becomes(Namespace), project, new_action])
end end
def terminal
# Currently, this acts as a hint to load the terminal details into the cache
# if they aren't there already. In the future, users will need these details
# to choose between terminals to connect to.
@terminals = environment.terminals
end
# GET .../terminal.ws : implemented in gitlab-workhorse
def terminal_websocket_authorize
# Just return the first terminal for now. If the list is in the process of
# being looked up, this may result in a 404 response, so the frontend
# should retry those errors
terminal = environment.terminals.try(:first)
if terminal
set_workhorse_internal_api_content_type
render json: Gitlab::Workhorse.terminal_websocket(terminal)
else
render text: 'Not found', status: 404
end
end
private private
def verify_api_request!
Gitlab::Workhorse.verify_api_request!(request.headers)
end
def environment_params def environment_params
params.require(:environment).permit(:name, :external_url) params.require(:environment).permit(:name, :external_url)
end end
......
# The ReactiveCaching concern is used to fetch some data in the background and
# store it in the Rails cache, keeping it up-to-date for as long as it is being
# requested. If the data hasn't been requested for +reactive_cache_lifetime+,
# it stop being refreshed, and then be removed.
#
# Example of use:
#
# class Foo < ActiveRecord::Base
# include ReactiveCaching
#
# self.reactive_cache_key = ->(thing) { ["foo", thing.id] }
#
# after_save :clear_reactive_cache!
#
# def calculate_reactive_cache
# # Expensive operation here. The return value of this method is cached
# end
#
# def result
# with_reactive_cache do |data|
# # ...
# end
# end
# end
#
# In this example, the first time `#result` is called, it will return `nil`.
# However, it will enqueue a background worker to call `#calculate_reactive_cache`
# and set an initial cache lifetime of ten minutes.
#
# Each time the background job completes, it stores the return value of
# `#calculate_reactive_cache`. It is also re-enqueued to run again after
# `reactive_cache_refresh_interval`, so keeping the stored value up to date.
# Calculations are never run concurrently.
#
# Calling `#result` while a value is in the cache will call the block given to
# `#with_reactive_cache`, yielding the cached value. It will also extend the
# lifetime by `reactive_cache_lifetime`.
#
# Once the lifetime has expired, no more background jobs will be enqueued and
# calling `#result` will again return `nil` - starting the process all over
# again
module ReactiveCaching
extend ActiveSupport::Concern
included do
class_attribute :reactive_cache_lease_timeout
class_attribute :reactive_cache_key
class_attribute :reactive_cache_lifetime
class_attribute :reactive_cache_refresh_interval
# defaults
self.reactive_cache_lease_timeout = 2.minutes
self.reactive_cache_refresh_interval = 1.minute
self.reactive_cache_lifetime = 10.minutes
def calculate_reactive_cache
raise NotImplementedError
end
def with_reactive_cache(&blk)
within_reactive_cache_lifetime do
data = Rails.cache.read(full_reactive_cache_key)
yield data if data.present?
end
ensure
Rails.cache.write(full_reactive_cache_key('alive'), true, expires_in: self.class.reactive_cache_lifetime)
ReactiveCachingWorker.perform_async(self.class, id)
end
def clear_reactive_cache!
Rails.cache.delete(full_reactive_cache_key)
end
def exclusively_update_reactive_cache!
locking_reactive_cache do
within_reactive_cache_lifetime do
enqueuing_update do
value = calculate_reactive_cache
Rails.cache.write(full_reactive_cache_key, value)
end
end
end
end
private
def full_reactive_cache_key(*qualifiers)
prefix = self.class.reactive_cache_key
prefix = prefix.call(self) if prefix.respond_to?(:call)
([prefix].flatten + qualifiers).join(':')
end
def locking_reactive_cache
lease = Gitlab::ExclusiveLease.new(full_reactive_cache_key, timeout: reactive_cache_lease_timeout)
uuid = lease.try_obtain
yield if uuid
ensure
Gitlab::ExclusiveLease.cancel(full_reactive_cache_key, uuid)
end
def within_reactive_cache_lifetime
yield if Rails.cache.read(full_reactive_cache_key('alive'))
end
def enqueuing_update
yield
ensure
ReactiveCachingWorker.perform_in(self.class.reactive_cache_refresh_interval, self.class, id)
end
end
end
...@@ -128,6 +128,14 @@ class Environment < ActiveRecord::Base ...@@ -128,6 +128,14 @@ class Environment < ActiveRecord::Base
end end
end end
def has_terminals?
project.deployment_service.present? && available? && last_deployment.present?
end
def terminals
project.deployment_service.terminals(self) if has_terminals?
end
# An environment name is not necessarily suitable for use in URLs, DNS # An environment name is not necessarily suitable for use in URLs, DNS
# or other third-party contexts, so provide a slugified version. A slug has # or other third-party contexts, so provide a slugified version. A slug has
# the following properties: # the following properties:
......
...@@ -12,4 +12,22 @@ class DeploymentService < Service ...@@ -12,4 +12,22 @@ class DeploymentService < Service
def predefined_variables def predefined_variables
[] []
end end
# Environments may have a number of terminals. Should return an array of
# hashes describing them, e.g.:
#
# [{
# :selectors => {"a" => "b", "foo" => "bar"},
# :url => "wss://external.example.com/exec",
# :headers => {"Authorization" => "Token xxx"},
# :subprotocols => ["foo"],
# :ca_pem => "----BEGIN CERTIFICATE...", # optional
# :created_at => Time.now.utc
# }]
#
# Selectors should be a set of values that uniquely identify a particular
# terminal
def terminals(environment)
raise NotImplementedError
end
end end
class KubernetesService < DeploymentService class KubernetesService < DeploymentService
include Gitlab::Kubernetes
include ReactiveCaching
self.reactive_cache_key = ->(service) { [ service.class.model_name.singular, service.project_id ] }
# Namespace defaults to the project path, but can be overridden in case that # Namespace defaults to the project path, but can be overridden in case that
# is an invalid or inappropriate name # is an invalid or inappropriate name
prop_accessor :namespace prop_accessor :namespace
...@@ -25,6 +30,8 @@ class KubernetesService < DeploymentService ...@@ -25,6 +30,8 @@ class KubernetesService < DeploymentService
length: 1..63 length: 1..63
end end
after_save :clear_reactive_cache!
def initialize_properties def initialize_properties
if properties.nil? if properties.nil?
self.properties = {} self.properties = {}
...@@ -41,7 +48,8 @@ class KubernetesService < DeploymentService ...@@ -41,7 +48,8 @@ class KubernetesService < DeploymentService
end end
def help def help
'' 'To enable terminal access to Kubernetes environments, label your ' \
'deployments with `app=$CI_ENVIRONMENT_SLUG`'
end end
def to_param def to_param
...@@ -75,9 +83,9 @@ class KubernetesService < DeploymentService ...@@ -75,9 +83,9 @@ class KubernetesService < DeploymentService
# Check we can connect to the Kubernetes API # Check we can connect to the Kubernetes API
def test(*args) def test(*args)
kubeclient = build_kubeclient kubeclient = build_kubeclient!
kubeclient.discover
kubeclient.discover
{ success: kubeclient.discovered, result: "Checked API discovery endpoint" } { success: kubeclient.discovered, result: "Checked API discovery endpoint" }
rescue => err rescue => err
{ success: false, result: err } { success: false, result: err }
...@@ -93,20 +101,48 @@ class KubernetesService < DeploymentService ...@@ -93,20 +101,48 @@ class KubernetesService < DeploymentService
variables variables
end end
private # Constructs a list of terminals from the reactive cache
#
# Returns nil if the cache is empty, in which case you should try again a
# short time later
def terminals(environment)
with_reactive_cache do |data|
pods = data.fetch(:pods, nil)
filter_pods(pods, app: environment.slug).
flat_map { |pod| terminals_for_pod(api_url, namespace, pod) }.
map { |terminal| add_terminal_auth(terminal, token, ca_pem) }
end
end
def build_kubeclient(api_path = '/api', api_version = 'v1') # Caches all pods in the namespace so other calls don't need to block on
return nil unless api_url && namespace && token # network access.
def calculate_reactive_cache
return unless active? && project && !project.pending_delete?
url = URI.parse(api_url) kubeclient = build_kubeclient!
url.path = url.path[0..-2] if url.path[-1] == "/"
url.path += api_path # Store as hashes, rather than as third-party types
pods = begin
kubeclient.get_pods(namespace: namespace).as_json
rescue KubeException => err
raise err unless err.error_code == 404
[]
end
# We may want to cache extra things in the future
{ pods: pods }
end
private
def build_kubeclient!(api_path: 'api', api_version: 'v1')
raise "Incomplete settings" unless api_url && namespace && token
::Kubeclient::Client.new( ::Kubeclient::Client.new(
url, join_api_url(api_path),
api_version, api_version,
ssl_options: kubeclient_ssl_options,
auth_options: kubeclient_auth_options, auth_options: kubeclient_auth_options,
ssl_options: kubeclient_ssl_options,
http_proxy_uri: ENV['http_proxy'] http_proxy_uri: ENV['http_proxy']
) )
end end
...@@ -125,4 +161,13 @@ class KubernetesService < DeploymentService ...@@ -125,4 +161,13 @@ class KubernetesService < DeploymentService
def kubeclient_auth_options def kubeclient_auth_options
{ bearer_token: token } { bearer_token: token }
end end
def join_api_url(*parts)
url = URI.parse(api_url)
prefix = url.path.sub(%r{/+\z}, '')
url.path = [ prefix, *parts ].join("/")
url.to_s
end
end end
...@@ -23,5 +23,13 @@ class EnvironmentEntity < Grape::Entity ...@@ -23,5 +23,13 @@ class EnvironmentEntity < Grape::Entity
environment) environment)
end end
expose :terminal_path, if: ->(environment, _) { environment.has_terminals? } do |environment|
can?(request.user, :admin_environment, environment.project) &&
terminal_namespace_project_environment_path(
environment.project.namespace,
environment.project,
environment)
end
expose :created_at, :updated_at expose :created_at, :updated_at
end end
...@@ -8,4 +8,8 @@ module RequestAwareEntity ...@@ -8,4 +8,8 @@ module RequestAwareEntity
def request def request
@options.fetch(:request) @options.fetch(:request)
end end
def can?(object, action, subject)
Ability.allowed?(object, action, subject)
end
end end
- if environment.has_terminals? && can?(current_user, :admin_environment, @project)
= link_to terminal_namespace_project_environment_path(@project.namespace, @project, environment), class: 'btn terminal-button' do
= icon('terminal')
...@@ -4,10 +4,6 @@ ...@@ -4,10 +4,6 @@
- content_for :page_specific_javascripts do - content_for :page_specific_javascripts do
= page_specific_javascript_tag("environments/environments_bundle.js") = page_specific_javascript_tag("environments/environments_bundle.js")
.commit-icon-svg.hidden
= custom_icon("icon_commit")
.play-icon-svg.hidden
= custom_icon("icon_play")
#environments-list-view{ data: { environments_data: environments_list_data, #environments-list-view{ data: { environments_data: environments_list_data,
"can-create-deployment" => can?(current_user, :create_deployment, @project).to_s, "can-create-deployment" => can?(current_user, :create_deployment, @project).to_s,
...@@ -19,4 +15,5 @@ ...@@ -19,4 +15,5 @@
"help-page-path" => help_page_path("ci/environments"), "help-page-path" => help_page_path("ci/environments"),
"css-class" => container_class, "css-class" => container_class,
"commit-icon-svg" => custom_icon("icon_commit"), "commit-icon-svg" => custom_icon("icon_commit"),
"terminal-icon-svg" => custom_icon("icon_terminal"),
"play-icon-svg" => custom_icon("icon_play")}} "play-icon-svg" => custom_icon("icon_play")}}
...@@ -8,6 +8,7 @@ ...@@ -8,6 +8,7 @@
%h3.page-title= @environment.name.capitalize %h3.page-title= @environment.name.capitalize
.col-md-3 .col-md-3
.nav-controls .nav-controls
= render 'projects/environments/terminal_button', environment: @environment
= render 'projects/environments/external_url', environment: @environment = render 'projects/environments/external_url', environment: @environment
- if can?(current_user, :update_environment, @environment) - if can?(current_user, :update_environment, @environment)
= link_to 'Edit', edit_namespace_project_environment_path(@project.namespace, @project, @environment), class: 'btn' = link_to 'Edit', edit_namespace_project_environment_path(@project.namespace, @project, @environment), class: 'btn'
......
- @no_container = true
- page_title "Terminal for environment", @environment.name
= render "projects/pipelines/head"
- content_for :page_specific_javascripts do
= stylesheet_link_tag "xterm/xterm"
= page_specific_javascript_tag("terminal/terminal_bundle.js")
%div{class: container_class}
.top-area
.row
.col-sm-6
%h3.page-title
Terminal for environment
= @environment.name
.col-sm-6
.nav-controls
= render 'projects/deployments/actions', deployment: @environment.last_deployment
.terminal-container{class: container_class}
#terminal{data:{project_path: "#{terminal_namespace_project_environment_path(@project.namespace, @project, @environment)}.ws"}}
<svg width="19" height="14" viewBox="0 0 19 14" xmlns="http://www.w3.org/2000/svg"><rect fill="#848484" x="7.2" y="9.25" width="6.46" height="1.5" rx=".5"/><path d="M5.851 7.016L3.81 9.103a.503.503 0 0 0 .017.709l.35.334c.207.198.524.191.717-.006l2.687-2.748a.493.493 0 0 0 .137-.376.493.493 0 0 0-.137-.376L4.894 3.892a.507.507 0 0 0-.717-.006l-.35.334a.503.503 0 0 0-.017.709L5.85 7.016z"/><path d="M1.25 11.497c0 .691.562 1.253 1.253 1.253h13.994c.694 0 1.253-.56 1.253-1.253V2.503c0-.691-.562-1.253-1.253-1.253H2.503c-.694 0-1.253.56-1.253 1.253v8.994zM2.503 0h13.994A2.504 2.504 0 0 1 19 2.503v8.994A2.501 2.501 0 0 1 16.497 14H2.503A2.504 2.504 0 0 1 0 11.497V2.503A2.501 2.501 0 0 1 2.503 0z"/></svg>
class ReactiveCachingWorker
include Sidekiq::Worker
include DedicatedSidekiqQueue
def perform(class_name, id)
klass = begin
Kernel.const_get(class_name)
rescue NameError
nil
end
return unless klass
klass.find_by(id: id).try(:exclusively_update_reactive_cache!)
end
end
---
title: Add online terminal support for Kubernetes
merge_request: 7690
author:
...@@ -89,6 +89,7 @@ module Gitlab ...@@ -89,6 +89,7 @@ module Gitlab
config.assets.precompile << "mailers/*.css" config.assets.precompile << "mailers/*.css"
config.assets.precompile << "katex.css" config.assets.precompile << "katex.css"
config.assets.precompile << "katex.js" config.assets.precompile << "katex.js"
config.assets.precompile << "xterm/xterm.css"
config.assets.precompile << "graphs/graphs_bundle.js" config.assets.precompile << "graphs/graphs_bundle.js"
config.assets.precompile << "users/users_bundle.js" config.assets.precompile << "users/users_bundle.js"
config.assets.precompile << "network/network_bundle.js" config.assets.precompile << "network/network_bundle.js"
...@@ -102,6 +103,7 @@ module Gitlab ...@@ -102,6 +103,7 @@ module Gitlab
config.assets.precompile << "environments/environments_bundle.js" config.assets.precompile << "environments/environments_bundle.js"
config.assets.precompile << "blob_edit/blob_edit_bundle.js" config.assets.precompile << "blob_edit/blob_edit_bundle.js"
config.assets.precompile << "snippet/snippet_bundle.js" config.assets.precompile << "snippet/snippet_bundle.js"
config.assets.precompile << "terminal/terminal_bundle.js"
config.assets.precompile << "lib/utils/*.js" config.assets.precompile << "lib/utils/*.js"
config.assets.precompile << "lib/*.js" config.assets.precompile << "lib/*.js"
config.assets.precompile << "u2f.js" config.assets.precompile << "u2f.js"
......
...@@ -148,6 +148,8 @@ constraints(ProjectUrlConstrainer.new) do ...@@ -148,6 +148,8 @@ constraints(ProjectUrlConstrainer.new) do
resources :environments, except: [:destroy] do resources :environments, except: [:destroy] do
member do member do
post :stop post :stop
get :terminal
get '/terminal.ws/authorize', to: 'environments#terminal_websocket_authorize', constraints: { format: nil }
end end
end end
......
...@@ -46,5 +46,6 @@ ...@@ -46,5 +46,6 @@
- [repository_check, 1] - [repository_check, 1]
- [system_hook, 1] - [system_hook, 1]
- [git_garbage_collect, 1] - [git_garbage_collect, 1]
- [reactive_caching, 1]
- [cronjob, 1] - [cronjob, 1]
- [default, 1] - [default, 1]
...@@ -34,6 +34,7 @@ ...@@ -34,6 +34,7 @@
- [Integration](integration/README.md) How to integrate with systems such as JIRA, Redmine, Twitter. - [Integration](integration/README.md) How to integrate with systems such as JIRA, Redmine, Twitter.
- [Issue closing pattern](administration/issue_closing_pattern.md) Customize how to close an issue from commit messages. - [Issue closing pattern](administration/issue_closing_pattern.md) Customize how to close an issue from commit messages.
- [Koding](administration/integration/koding.md) Set up Koding to use with GitLab. - [Koding](administration/integration/koding.md) Set up Koding to use with GitLab.
- [Online terminals](administration/integration/terminal.md) Provide terminal access to environments from within GitLab.
- [Libravatar](customization/libravatar.md) Use Libravatar instead of Gravatar for user avatars. - [Libravatar](customization/libravatar.md) Use Libravatar instead of Gravatar for user avatars.
- [Log system](administration/logs.md) Log system. - [Log system](administration/logs.md) Log system.
- [Environment Variables](administration/environment_variables.md) to configure GitLab. - [Environment Variables](administration/environment_variables.md) to configure GitLab.
......
...@@ -10,11 +10,11 @@ you need to use with GitLab. ...@@ -10,11 +10,11 @@ you need to use with GitLab.
## Basic ports ## Basic ports
| LB Port | Backend Port | Protocol | | LB Port | Backend Port | Protocol |
| ------- | ------------ | -------- | | ------- | ------------ | --------------- |
| 80 | 80 | HTTP | | 80 | 80 | HTTP [^1] |
| 443 | 443 | HTTPS [^1] | | 443 | 443 | HTTPS [^1] [^2] |
| 22 | 22 | TCP | | 22 | 22 | TCP |
## GitLab Pages Ports ## GitLab Pages Ports
...@@ -25,8 +25,8 @@ GitLab Pages requires a separate VIP. Configure DNS to point the ...@@ -25,8 +25,8 @@ GitLab Pages requires a separate VIP. Configure DNS to point the
| LB Port | Backend Port | Protocol | | LB Port | Backend Port | Protocol |
| ------- | ------------ | -------- | | ------- | ------------ | -------- |
| 80 | Varies [^2] | HTTP | | 80 | Varies [^3] | HTTP |
| 443 | Varies [^2] | TCP [^3] | | 443 | Varies [^3] | TCP [^4] |
## Alternate SSH Port ## Alternate SSH Port
...@@ -50,13 +50,19 @@ Read more on high-availability configuration: ...@@ -50,13 +50,19 @@ Read more on high-availability configuration:
1. [Configure NFS](nfs.md) 1. [Configure NFS](nfs.md)
1. [Configure the GitLab application servers](gitlab.md) 1. [Configure the GitLab application servers](gitlab.md)
[^1]: When using HTTPS protocol for port 443, you will need to add an SSL [^1]: [Terminal support](../../ci/environments.md#terminal-support) requires
your load balancer to correctly handle WebSocket connections. When using
HTTP or HTTPS proxying, this means your load balancer must be configured
to pass through the `Connection` and `Upgrade` hop-by-hop headers. See the
[online terminal](../integration/terminal.md) integration guide for
more details.
[^2]: When using HTTPS protocol for port 443, you will need to add an SSL
certificate to the load balancers. If you wish to terminate SSL at the certificate to the load balancers. If you wish to terminate SSL at the
GitLab application server instead, use TCP protocol. GitLab application server instead, use TCP protocol.
[^2]: The backend port for GitLab Pages depends on the [^3]: The backend port for GitLab Pages depends on the
`gitlab_pages['external_http']` and `gitlab_pages['external_https']` `gitlab_pages['external_http']` and `gitlab_pages['external_https']`
setting. See [GitLab Pages documentation][gitlab-pages] for more details. setting. See [GitLab Pages documentation][gitlab-pages] for more details.
[^3]: Port 443 for GitLab Pages should always use the TCP protocol. Users can [^4]: Port 443 for GitLab Pages should always use the TCP protocol. Users can
configure custom domains with custom SSL, which would not be possible configure custom domains with custom SSL, which would not be possible
if SSL was terminated at the load balancer. if SSL was terminated at the load balancer.
......
# Online terminals
> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7690)
in GitLab 8.15. Only project masters and owners can access online terminals.
With the introduction of the [Kubernetes](../../project_services/kubernetes.md)
project service, GitLab gained the ability to store and use credentials for a
Kubernetes cluster. One of the things it uses these credentials for is providing
access to [online terminals](../../ci/environments.html#online-terminals)
for environments.
## How it works
A detailed overview of the architecture of online terminals and how they work
can be found in [this document](https://gitlab.com/gitlab-org/gitlab-workhorse/blob/master/doc/terminal.md).
In brief:
* GitLab relies on the user to provide their own Kubernetes credentials, and to
appropriately label the pods they create when deploying.
* When a user navigates to the terminal page for an environment, they are served
a JavaScript application that opens a WebSocket connection back to GitLab.
* The WebSocket is handled in [Workhorse](https://gitlab.com/gitlab-org/gitlab-workhorse),
rather than the Rails application server.
* Workhorse queries Rails for connection details and user permissions; Rails
queries Kubernetes for them in the background, using [Sidekiq](../troubleshooting/sidekiq.md)
* Workhorse acts as a proxy server between the user's browser and the Kubernetes
API, passing WebSocket frames between the two.
* Workhorse regularly polls Rails, terminating the WebSocket connection if the
user no longer has permission to access the terminal, or if the connection
details have changed.
## Enabling and disabling terminal support
As online terminals use WebSockets, every HTTP/HTTPS reverse proxy in front of
Workhorse needs to be configured to pass the `Connection` and `Upgrade` headers
through to the next one in the chain. If you installed Gitlab using Omnibus, or
from source, starting with GitLab 8.15, this should be done by the default
configuration, so there's no need for you to do anything.
However, if you run a [load balancer](../high_availability/load_balancer.md) in
front of GitLab, you may need to make some changes to your configuration. These
guides document the necessary steps for a selection of popular reverse proxies:
* [Apache](https://httpd.apache.org/docs/2.4/mod/mod_proxy_wstunnel.html)
* [NGINX](https://www.nginx.com/blog/websocket-nginx/)
* [HAProxy](http://blog.haproxy.com/2012/11/07/websockets-load-balancing-with-haproxy/)
* [Varnish](https://www.varnish-cache.org/docs/4.1/users-guide/vcl-example-websockets.html)
Workhorse won't let WebSocket requests through to non-WebSocket endpoints, so
it's safe to enable support for these headers globally. If you'd rather had a
narrower set of rules, you can restrict it to URLs ending with `/terminal.ws`
(although this may still have a few false positives).
If you installed from source, or have made any configuration changes to your
Omnibus installation before upgrading to 8.15, you may need to make some
changes to your configuration. See the [8.14 to 8.15 upgrade](../../update/8.14-to-8.15.md#nginx-configuration)
document for more details.
If you'd like to disable online terminal support in GitLab, just stop passing
the `Connection` and `Upgrade` hop-by-hop headers in the *first* HTTP reverse
proxy in the chain. For most users, this will be the NGINX server bundled with
Omnibus Gitlab, in which case, you need to:
* Find the `nginx['proxy_set_headers']` section of your `gitlab.rb` file
* Ensure the whole block is uncommented, and then comment out or remove the
`Connection` and `Upgrade` lines.
For your own load balancer, just reverse the configuration changes recommended
by the above guides.
When these headers are not passed through, Workhorse will return a
`400 Bad Request` response to users attempting to use an online terminal. In
turn, they will receive a `Connection failed` message.
...@@ -25,7 +25,9 @@ Environments are like tags for your CI jobs, describing where code gets deployed ...@@ -25,7 +25,9 @@ Environments are like tags for your CI jobs, describing where code gets deployed
Deployments are created when [jobs] deploy versions of code to environments, Deployments are created when [jobs] deploy versions of code to environments,
so every environment can have one or more deployments. GitLab keeps track of so every environment can have one or more deployments. GitLab keeps track of
your deployments, so you always know what is currently being deployed on your your deployments, so you always know what is currently being deployed on your
servers. servers. If you have a deployment service such as [Kubernetes][kubernetes-service]
enabled for your project, you can use it to assist with your deployments, and
can even access a terminal for your environment from within GitLab!
To better understand how environments and deployments work, let's consider an To better understand how environments and deployments work, let's consider an
example. We assume that you have already created a project in GitLab and set up example. We assume that you have already created a project in GitLab and set up
...@@ -233,6 +235,46 @@ Remember that if your environment's name is `production` (all lowercase), then ...@@ -233,6 +235,46 @@ Remember that if your environment's name is `production` (all lowercase), then
it will get recorded in [Cycle Analytics](../user/project/cycle_analytics.md). it will get recorded in [Cycle Analytics](../user/project/cycle_analytics.md).
Double the benefit! Double the benefit!
## Terminal support
>**Note:**
Terminal support was added in GitLab 8.15 and is only available to project
masters and owners.
If you deploy to your environments with the help of a deployment service (e.g.,
the [Kubernetes](../project_services/kubernetes.md) service), GitLab can open
a terminal session to your environment! This is a very powerful feature that
allows you to debug issues without leaving the comfort of your web browser. To
enable it, just follow the instructions given in the service documentation.
Once enabled, your environments will gain a "terminal" button:
![Terminal button on environment index](img/environments_terminal_button_on_index.png)
You can also access the terminal button from the page for a specific environment:
![Terminal button for an environment](img/environments_terminal_button_on_show.png)
Wherever you find it, clicking the button will take you to a separate page to
establish the terminal session:
![Terminal page](img/environments_terminal_page.png)
This works just like any other terminal - you'll be in the container created
by your deployment, so you can run shell commands and get responses in real
time, check the logs, try out configuration or code tweaks, etc. You can open
multiple terminals to the same environment - they each get their own shell
session - and even a multiplexer like `screen` or `tmux`!
>**Note:**
Container-based deployments often lack basic tools (like an editor), and may
be stopped or restarted at any time. If this happens, you will lose all your
changes! Treat this as a debugging tool, not a comprehensive online IDE. You
can use [Koding](../administration/integration/koding.md) for online
development.
---
While this is fine for deploying to some stable environments like staging or While this is fine for deploying to some stable environments like staging or
production, what happens for branches? So far we haven't defined anything production, what happens for branches? So far we haven't defined anything
regarding deployments for branches other than `master`. Dynamic environments regarding deployments for branches other than `master`. Dynamic environments
...@@ -524,6 +566,7 @@ Below are some links you may find interesting: ...@@ -524,6 +566,7 @@ Below are some links you may find interesting:
[Pipelines]: pipelines.md [Pipelines]: pipelines.md
[jobs]: yaml/README.md#jobs [jobs]: yaml/README.md#jobs
[yaml]: yaml/README.md [yaml]: yaml/README.md
[kubernetes-service]: ../project_services/kubernetes.md]
[environments]: #environments [environments]: #environments
[deployments]: #deployments [deployments]: #deployments
[permissions]: ../user/permissions.md [permissions]: ../user/permissions.md
......
...@@ -47,3 +47,17 @@ GitLab CI build environment: ...@@ -47,3 +47,17 @@ GitLab CI build environment:
- `KUBE_TOKEN` - `KUBE_TOKEN`
- `KUBE_NAMESPACE` - `KUBE_NAMESPACE`
- `KUBE_CA_PEM` - only if a custom CA bundle was specified - `KUBE_CA_PEM` - only if a custom CA bundle was specified
## Terminal support
>**NOTE:**
Added in GitLab 8.15. You must be the project owner or have `master` permissions
to use terminals. Support is currently limited to the first container in the
first pod of your environment.
When enabled, the Kubernetes service adds online [terminal support](../ci/environments.md#terminal-support)
to your environments. This is based on the `exec` functionality found in
Docker and Kubernetes, so you get a new shell session within your existing
containers. To use this integration, you should deploy to Kubernetes using
the deployment variables above, ensuring any pods you create are labelled with
`app=$CI_ENVIRONMENT_SLUG`.
...@@ -33,6 +33,7 @@ The following table depicts the various user permission levels in a project. ...@@ -33,6 +33,7 @@ The following table depicts the various user permission levels in a project.
| See a container registry | | ✓ | ✓ | ✓ | ✓ | | See a container registry | | ✓ | ✓ | ✓ | ✓ |
| See environments | | ✓ | ✓ | ✓ | ✓ | | See environments | | ✓ | ✓ | ✓ | ✓ |
| Create new environments | | | ✓ | ✓ | ✓ | | Create new environments | | | ✓ | ✓ | ✓ |
| Use environment terminals | | | | ✓ | ✓ |
| Stop environments | | | ✓ | ✓ | ✓ | | Stop environments | | | ✓ | ✓ | ✓ |
| See a list of merge requests | | ✓ | ✓ | ✓ | ✓ | | See a list of merge requests | | ✓ | ✓ | ✓ | ✓ |
| Manage/Accept merge requests | | | ✓ | ✓ | ✓ | | Manage/Accept merge requests | | | ✓ | ✓ | ✓ |
......
module Gitlab
# Helper methods to do with Kubernetes network services & resources
module Kubernetes
# This is the comand that is run to start a terminal session. Kubernetes
# expects `command=foo&command=bar, not `command[]=foo&command[]=bar`
EXEC_COMMAND = URI.encode_www_form(
['sh', '-c', 'bash || sh'].map { |value| ['command', value] }
)
# Filters an array of pods (as returned by the kubernetes API) by their labels
def filter_pods(pods, labels = {})
pods.select do |pod|
metadata = pod.fetch("metadata", {})
pod_labels = metadata.fetch("labels", nil)
next unless pod_labels
labels.all? { |k, v| pod_labels[k.to_s] == v }
end
end
# Converts a pod (as returned by the kubernetes API) into a terminal
def terminals_for_pod(api_url, namespace, pod)
metadata = pod.fetch("metadata", {})
status = pod.fetch("status", {})
spec = pod.fetch("spec", {})
containers = spec["containers"]
pod_name = metadata["name"]
phase = status["phase"]
return unless containers.present? && pod_name.present? && phase == "Running"
created_at = DateTime.parse(metadata["creationTimestamp"]) rescue nil
containers.map do |container|
{
selectors: { pod: pod_name, container: container["name"] },
url: container_exec_url(api_url, namespace, pod_name, container["name"]),
subprotocols: ['channel.k8s.io'],
headers: Hash.new { |h, k| h[k] = [] },
created_at: created_at,
}
end
end
def add_terminal_auth(terminal, token, ca_pem = nil)
terminal[:headers]['Authorization'] << "Bearer #{token}"
terminal[:ca_pem] = ca_pem if ca_pem.present?
terminal
end
def container_exec_url(api_url, namespace, pod_name, container_name)
url = URI.parse(api_url)
url.path = [
url.path.sub(%r{/+\z}, ''),
'api', 'v1',
'namespaces', ERB::Util.url_encode(namespace),
'pods', ERB::Util.url_encode(pod_name),
'exec'
].join('/')
url.query = {
container: container_name,
tty: true,
stdin: true,
stdout: true,
stderr: true,
}.to_query + '&' + EXEC_COMMAND
case url.scheme
when 'http'
url.scheme = 'ws'
when 'https'
url.scheme = 'wss'
end
url.to_s
end
end
end
...@@ -95,6 +95,19 @@ module Gitlab ...@@ -95,6 +95,19 @@ module Gitlab
] ]
end end
def terminal_websocket(terminal)
details = {
'Terminal' => {
'Subprotocols' => terminal[:subprotocols],
'Url' => terminal[:url],
'Header' => terminal[:headers]
}
}
details['Terminal']['CAPem'] = terminal[:ca_pem] if terminal.has_key?(:ca_pem)
details
end
def version def version
path = Rails.root.join(VERSION_FILE) path = Rails.root.join(VERSION_FILE)
path.readable? ? path.read.chomp : 'unknown' path.readable? ? path.read.chomp : 'unknown'
......
...@@ -71,6 +71,75 @@ describe Projects::EnvironmentsController do ...@@ -71,6 +71,75 @@ describe Projects::EnvironmentsController do
end end
end end
describe 'GET #terminal' do
context 'with valid id' do
it 'responds with a status code 200' do
get :terminal, environment_params
expect(response).to have_http_status(200)
end
it 'loads the terminals for the enviroment' do
expect_any_instance_of(Environment).to receive(:terminals)
get :terminal, environment_params
end
end
context 'with invalid id' do
it 'responds with a status code 404' do
get :terminal, environment_params(id: 666)
expect(response).to have_http_status(404)
end
end
end
describe 'GET #terminal_websocket_authorize' do
context 'with valid workhorse signature' do
before do
allow(Gitlab::Workhorse).to receive(:verify_api_request!).and_return(nil)
end
context 'and valid id' do
it 'returns the first terminal for the environment' do
expect_any_instance_of(Environment).
to receive(:terminals).
and_return([:fake_terminal])
expect(Gitlab::Workhorse).
to receive(:terminal_websocket).
with(:fake_terminal).
and_return(workhorse: :response)
get :terminal_websocket_authorize, environment_params
expect(response).to have_http_status(200)
expect(response.headers["Content-Type"]).to eq(Gitlab::Workhorse::INTERNAL_API_CONTENT_TYPE)
expect(response.body).to eq('{"workhorse":"response"}')
end
end
context 'and invalid id' do
it 'returns 404' do
get :terminal_websocket_authorize, environment_params(id: 666)
expect(response).to have_http_status(404)
end
end
end
context 'with invalid workhorse signature' do
it 'aborts with an exception' do
allow(Gitlab::Workhorse).to receive(:verify_api_request!).and_raise(JWT::DecodeError)
expect { get :terminal_websocket_authorize, environment_params }.to raise_error(JWT::DecodeError)
# controller tests don't set the response status correctly. It's enough
# to check that the action raised an exception
end
end
end
def environment_params(opts = {}) def environment_params(opts = {})
opts.reverse_merge(namespace_id: project.namespace, opts.reverse_merge(namespace_id: project.namespace,
project_id: project, project_id: project,
......
...@@ -42,6 +42,12 @@ FactoryGirl.define do ...@@ -42,6 +42,12 @@ FactoryGirl.define do
end end
end end
trait :test_repo do
after :create do |project|
TestEnv.copy_repo(project)
end
end
# Nest Project Feature attributes # Nest Project Feature attributes
transient do transient do
wiki_access_level ProjectFeature::ENABLED wiki_access_level ProjectFeature::ENABLED
...@@ -91,9 +97,7 @@ FactoryGirl.define do ...@@ -91,9 +97,7 @@ FactoryGirl.define do
factory :project, parent: :empty_project do factory :project, parent: :empty_project do
path { 'gitlabhq' } path { 'gitlabhq' }
after :create do |project| test_repo
TestEnv.copy_repo(project)
end
end end
factory :forked_project_with_submodules, parent: :empty_project do factory :forked_project_with_submodules, parent: :empty_project do
...@@ -140,7 +144,7 @@ FactoryGirl.define do ...@@ -140,7 +144,7 @@ FactoryGirl.define do
active: true, active: true,
properties: { properties: {
namespace: project.path, namespace: project.path,
api_url: 'https://kubernetes.example.com/api', api_url: 'https://kubernetes.example.com',
token: 'a' * 40, token: 'a' * 40,
} }
) )
......
...@@ -38,6 +38,10 @@ feature 'Environment', :feature do ...@@ -38,6 +38,10 @@ feature 'Environment', :feature do
scenario 'does not show a re-deploy button for deployment without build' do scenario 'does not show a re-deploy button for deployment without build' do
expect(page).not_to have_link('Re-deploy') expect(page).not_to have_link('Re-deploy')
end end
scenario 'does not show terminal button' do
expect(page).not_to have_terminal_button
end
end end
context 'with related deployable present' do context 'with related deployable present' do
...@@ -60,6 +64,10 @@ feature 'Environment', :feature do ...@@ -60,6 +64,10 @@ feature 'Environment', :feature do
expect(page).not_to have_link('Stop') expect(page).not_to have_link('Stop')
end end
scenario 'does not show terminal button' do
expect(page).not_to have_terminal_button
end
context 'with manual action' do context 'with manual action' do
given(:manual) { create(:ci_build, :manual, pipeline: pipeline, name: 'deploy to production') } given(:manual) { create(:ci_build, :manual, pipeline: pipeline, name: 'deploy to production') }
...@@ -84,6 +92,26 @@ feature 'Environment', :feature do ...@@ -84,6 +92,26 @@ feature 'Environment', :feature do
end end
end end
context 'with terminal' do
let(:project) { create(:kubernetes_project, :test_repo) }
context 'for project master' do
let(:role) { :master }
scenario 'it shows the terminal button' do
expect(page).to have_terminal_button
end
end
context 'for developer' do
let(:role) { :developer }
scenario 'does not show terminal button' do
expect(page).not_to have_terminal_button
end
end
end
context 'with stop action' do context 'with stop action' do
given(:manual) { create(:ci_build, :manual, pipeline: pipeline, name: 'close_app') } given(:manual) { create(:ci_build, :manual, pipeline: pipeline, name: 'close_app') }
given(:deployment) { create(:deployment, environment: environment, deployable: build, on_stop: 'close_app') } given(:deployment) { create(:deployment, environment: environment, deployable: build, on_stop: 'close_app') }
...@@ -158,4 +186,8 @@ feature 'Environment', :feature do ...@@ -158,4 +186,8 @@ feature 'Environment', :feature do
environment.project, environment.project,
environment) environment)
end end
def have_terminal_button
have_link(nil, href: terminal_namespace_project_environment_path(project.namespace, project, environment))
end
end end
...@@ -113,6 +113,10 @@ feature 'Environments page', :feature, :js do ...@@ -113,6 +113,10 @@ feature 'Environments page', :feature, :js do
expect(page).not_to have_css('external-url') expect(page).not_to have_css('external-url')
end end
scenario 'does not show terminal button' do
expect(page).not_to have_terminal_button
end
context 'with external_url' do context 'with external_url' do
given(:environment) { create(:environment, project: project, external_url: 'https://git.gitlab.com') } given(:environment) { create(:environment, project: project, external_url: 'https://git.gitlab.com') }
given(:build) { create(:ci_build, pipeline: pipeline) } given(:build) { create(:ci_build, pipeline: pipeline) }
...@@ -145,6 +149,26 @@ feature 'Environments page', :feature, :js do ...@@ -145,6 +149,26 @@ feature 'Environments page', :feature, :js do
end end
end end
end end
context 'with terminal' do
let(:project) { create(:kubernetes_project, :test_repo) }
context 'for project master' do
let(:role) { :master }
scenario 'it shows the terminal button' do
expect(page).to have_terminal_button
end
end
context 'for developer' do
let(:role) { :developer }
scenario 'does not show terminal button' do
expect(page).not_to have_terminal_button
end
end
end
end end
end end
end end
...@@ -195,6 +219,10 @@ feature 'Environments page', :feature, :js do ...@@ -195,6 +219,10 @@ feature 'Environments page', :feature, :js do
end end
end end
def have_terminal_button
have_link(nil, href: terminal_namespace_project_environment_path(project.namespace, project, environment))
end
def visit_environments(project) def visit_environments(project)
visit namespace_project_environments_path(project.namespace, project) visit namespace_project_environments_path(project.namespace, project)
end end
......
require 'spec_helper'
describe Gitlab::Kubernetes do
include described_class
describe '#container_exec_url' do
let(:api_url) { 'https://example.com' }
let(:namespace) { 'default' }
let(:pod_name) { 'pod1' }
let(:container_name) { 'container1' }
subject(:result) { URI::parse(container_exec_url(api_url, namespace, pod_name, container_name)) }
it { expect(result.scheme).to eq('wss') }
it { expect(result.host).to eq('example.com') }
it { expect(result.path).to eq('/api/v1/namespaces/default/pods/pod1/exec') }
it { expect(result.query).to eq('container=container1&stderr=true&stdin=true&stdout=true&tty=true&command=sh&command=-c&command=bash+%7C%7C+sh') }
context 'with a HTTP API URL' do
let(:api_url) { 'http://example.com' }
it { expect(result.scheme).to eq('ws') }
end
context 'with a path prefix in the API URL' do
let(:api_url) { 'https://example.com/prefix/' }
it { expect(result.path).to eq('/prefix/api/v1/namespaces/default/pods/pod1/exec') }
end
context 'with arguments that need urlencoding' do
let(:namespace) { 'default namespace' }
let(:pod_name) { 'pod 1' }
let(:container_name) { 'container 1' }
it { expect(result.path).to eq('/api/v1/namespaces/default%20namespace/pods/pod%201/exec') }
it { expect(result.query).to match(/\Acontainer=container\+1&/) }
end
end
end
...@@ -37,6 +37,42 @@ describe Gitlab::Workhorse, lib: true do ...@@ -37,6 +37,42 @@ describe Gitlab::Workhorse, lib: true do
end end
end end
describe '.terminal_websocket' do
def terminal(ca_pem: nil)
out = {
subprotocols: ['foo'],
url: 'wss://example.com/terminal.ws',
headers: { 'Authorization' => ['Token x'] }
}
out[:ca_pem] = ca_pem if ca_pem
out
end
def workhorse(ca_pem: nil)
out = {
'Terminal' => {
'Subprotocols' => ['foo'],
'Url' => 'wss://example.com/terminal.ws',
'Header' => { 'Authorization' => ['Token x'] }
}
}
out['Terminal']['CAPem'] = ca_pem if ca_pem
out
end
context 'without ca_pem' do
subject { Gitlab::Workhorse.terminal_websocket(terminal) }
it { is_expected.to eq(workhorse) }
end
context 'with ca_pem' do
subject { Gitlab::Workhorse.terminal_websocket(terminal(ca_pem: "foo")) }
it { is_expected.to eq(workhorse(ca_pem: "foo")) }
end
end
describe '.send_git_diff' do describe '.send_git_diff' do
let(:diff_refs) { double(base_sha: "base", head_sha: "head") } let(:diff_refs) { double(base_sha: "base", head_sha: "head") }
subject { described_class.send_git_patch(repository, diff_refs) } subject { described_class.send_git_patch(repository, diff_refs) }
......
require 'spec_helper'
describe ReactiveCaching, caching: true do
include ReactiveCachingHelpers
class CacheTest
include ReactiveCaching
self.reactive_cache_key = ->(thing) { ["foo", thing.id] }
self.reactive_cache_lifetime = 5.minutes
self.reactive_cache_refresh_interval = 15.seconds
attr_reader :id
def initialize(id, &blk)
@id = id
@calculator = blk
end
def calculate_reactive_cache
@calculator.call
end
def result
with_reactive_cache do |data|
data / 2
end
end
end
let(:now) { Time.now.utc }
around(:each) do |example|
Timecop.freeze(now) { example.run }
end
let(:calculation) { -> { 2 + 2 } }
let(:cache_key) { "foo:666" }
let(:instance) { CacheTest.new(666, &calculation) }
describe '#with_reactive_cache' do
before { stub_reactive_cache }
subject(:go!) { instance.result }
context 'when cache is empty' do
it { is_expected.to be_nil }
it 'queues a background worker' do
expect(ReactiveCachingWorker).to receive(:perform_async).with(CacheTest, 666)
go!
end
it 'updates the cache lifespan' do
go!
expect(reactive_cache_alive?(instance)).to be_truthy
end
end
context 'when the cache is full' do
before { stub_reactive_cache(instance, 4) }
it { is_expected.to eq(2) }
context 'and expired' do
before { invalidate_reactive_cache(instance) }
it { is_expected.to be_nil }
end
end
end
describe '#clear_reactive_cache!' do
before do
stub_reactive_cache(instance, 4)
instance.clear_reactive_cache!
end
it { expect(instance.result).to be_nil }
end
describe '#exclusively_update_reactive_cache!' do
subject(:go!) { instance.exclusively_update_reactive_cache! }
context 'when the lease is free and lifetime is not exceeded' do
before { stub_reactive_cache(instance, "preexisting") }
it 'takes and releases the lease' do
expect_any_instance_of(Gitlab::ExclusiveLease).to receive(:try_obtain).and_return("000000")
expect(Gitlab::ExclusiveLease).to receive(:cancel).with(cache_key, "000000")
go!
end
it 'caches the result of #calculate_reactive_cache' do
go!
expect(read_reactive_cache(instance)).to eq(calculation.call)
end
it "enqueues a repeat worker" do
expect_reactive_cache_update_queued(instance)
go!
end
context 'and #calculate_reactive_cache raises an exception' do
before { stub_reactive_cache(instance, "preexisting") }
let(:calculation) { -> { raise "foo"} }
it 'leaves the cache untouched' do
expect { go! }.to raise_error("foo")
expect(read_reactive_cache(instance)).to eq("preexisting")
end
it 'enqueues a repeat worker' do
expect_reactive_cache_update_queued(instance)
expect { go! }.to raise_error("foo")
end
end
end
context 'when lifetime is exceeded' do
it 'skips the calculation' do
expect(instance).to receive(:calculate_reactive_cache).never
go!
end
end
context 'when the lease is already taken' do
before do
expect_any_instance_of(Gitlab::ExclusiveLease).to receive(:try_obtain).and_return(nil)
end
it 'skips the calculation' do
expect(instance).to receive(:calculate_reactive_cache).never
go!
end
end
end
end
require 'spec_helper' require 'spec_helper'
describe Environment, models: true do describe Environment, models: true do
subject(:environment) { create(:environment) } let(:project) { create(:empty_project) }
subject(:environment) { create(:environment, project: project) }
it { is_expected.to belong_to(:project) } it { is_expected.to belong_to(:project) }
it { is_expected.to have_many(:deployments) } it { is_expected.to have_many(:deployments) }
...@@ -31,6 +32,8 @@ describe Environment, models: true do ...@@ -31,6 +32,8 @@ describe Environment, models: true do
end end
describe '#includes_commit?' do describe '#includes_commit?' do
let(:project) { create(:project) }
context 'without a last deployment' do context 'without a last deployment' do
it "returns false" do it "returns false" do
expect(environment.includes_commit?('HEAD')).to be false expect(environment.includes_commit?('HEAD')).to be false
...@@ -38,9 +41,6 @@ describe Environment, models: true do ...@@ -38,9 +41,6 @@ describe Environment, models: true do
end end
context 'with a last deployment' do context 'with a last deployment' do
let(:project) { create(:project) }
let(:environment) { create(:environment, project: project) }
let!(:deployment) do let!(:deployment) do
create(:deployment, environment: environment, sha: project.commit('master').id) create(:deployment, environment: environment, sha: project.commit('master').id)
end end
...@@ -65,7 +65,6 @@ describe Environment, models: true do ...@@ -65,7 +65,6 @@ describe Environment, models: true do
describe '#first_deployment_for' do describe '#first_deployment_for' do
let(:project) { create(:project) } let(:project) { create(:project) }
let!(:environment) { create(:environment, project: project) }
let!(:deployment) { create(:deployment, environment: environment, ref: commit.parent.id) } let!(:deployment) { create(:deployment, environment: environment, ref: commit.parent.id) }
let!(:deployment1) { create(:deployment, environment: environment, ref: commit.id) } let!(:deployment1) { create(:deployment, environment: environment, ref: commit.id) }
let(:head_commit) { project.commit } let(:head_commit) { project.commit }
...@@ -196,6 +195,57 @@ describe Environment, models: true do ...@@ -196,6 +195,57 @@ describe Environment, models: true do
end end
end end
describe '#has_terminals?' do
subject { environment.has_terminals? }
context 'when the enviroment is available' do
context 'with a deployment service' do
let(:project) { create(:kubernetes_project) }
context 'and a deployment' do
let!(:deployment) { create(:deployment, environment: environment) }
it { is_expected.to be_truthy }
end
context 'but no deployments' do
it { is_expected.to be_falsy }
end
end
context 'without a deployment service' do
it { is_expected.to be_falsy }
end
end
context 'when the environment is unavailable' do
let(:project) { create(:kubernetes_project) }
before { environment.stop }
it { is_expected.to be_falsy }
end
end
describe '#terminals' do
let(:project) { create(:kubernetes_project) }
subject { environment.terminals }
context 'when the environment has terminals' do
before { allow(environment).to receive(:has_terminals?).and_return(true) }
it 'returns the terminals from the deployment service' do
expect(project.deployment_service).
to receive(:terminals).with(environment).
and_return(:fake_terminals)
is_expected.to eq(:fake_terminals)
end
end
context 'when the environment does not have terminals' do
before { allow(environment).to receive(:has_terminals?).and_return(false) }
it { is_expected.to eq(nil) }
end
end
describe '#slug' do describe '#slug' do
it "is automatically generated" do it "is automatically generated" do
expect(environment.slug).not_to be_nil expect(environment.slug).not_to be_nil
......
require 'spec_helper' require 'spec_helper'
describe KubernetesService, models: true do describe KubernetesService, models: true, caching: true do
let(:project) { create(:empty_project) } include KubernetesHelpers
include ReactiveCachingHelpers
let(:project) { create(:kubernetes_project) }
let(:service) { project.kubernetes_service }
# We use Kubeclient to interactive with the Kubernetes API. It will
# GET /api/v1 for a list of resources the API supports. This must be stubbed
# in addition to any other HTTP requests we expect it to perform.
let(:discovery_url) { service.api_url + '/api/v1' }
let(:discovery_response) { { body: kube_discovery_body.to_json } }
let(:pods_url) { service.api_url + "/api/v1/namespaces/#{service.namespace}/pods" }
let(:pods_response) { { body: kube_pods_body(kube_pod).to_json } }
def stub_kubeclient_discover
WebMock.stub_request(:get, discovery_url).to_return(discovery_response)
end
def stub_kubeclient_pods
stub_kubeclient_discover
WebMock.stub_request(:get, pods_url).to_return(pods_response)
end
describe "Associations" do describe "Associations" do
it { is_expected.to belong_to :project } it { is_expected.to belong_to :project }
...@@ -65,22 +87,15 @@ describe KubernetesService, models: true do ...@@ -65,22 +87,15 @@ describe KubernetesService, models: true do
end end
describe '#test' do describe '#test' do
let(:project) { create(:kubernetes_project) } before do
let(:service) { project.kubernetes_service } stub_kubeclient_discover
let(:discovery_url) { service.api_url + '/api/v1' } end
# JSON response body from Kubernetes GET /api/v1 request
let(:discovery_response) { { "kind" => "APIResourceList", "groupVersion" => "v1", "resources" => [] }.to_json }
context 'with path prefix in api_url' do context 'with path prefix in api_url' do
let(:discovery_url) { 'https://kubernetes.example.com/prefix/api/v1' } let(:discovery_url) { 'https://kubernetes.example.com/prefix/api/v1' }
before do
service.api_url = 'https://kubernetes.example.com/prefix/'
end
it 'tests with the prefix' do it 'tests with the prefix' do
WebMock.stub_request(:get, discovery_url).to_return(body: discovery_response) service.api_url = 'https://kubernetes.example.com/prefix/'
expect(service.test[:success]).to be_truthy expect(service.test[:success]).to be_truthy
expect(WebMock).to have_requested(:get, discovery_url).once expect(WebMock).to have_requested(:get, discovery_url).once
...@@ -88,17 +103,12 @@ describe KubernetesService, models: true do ...@@ -88,17 +103,12 @@ describe KubernetesService, models: true do
end end
context 'with custom CA certificate' do context 'with custom CA certificate' do
let(:certificate) { "CA PEM DATA" }
before do
service.update_attributes!(ca_pem: certificate)
end
it 'is added to the certificate store' do it 'is added to the certificate store' do
cert = double("certificate") service.ca_pem = "CA PEM DATA"
expect(OpenSSL::X509::Certificate).to receive(:new).with(certificate).and_return(cert) cert = double("certificate")
expect(OpenSSL::X509::Certificate).to receive(:new).with(service.ca_pem).and_return(cert)
expect_any_instance_of(OpenSSL::X509::Store).to receive(:add_cert).with(cert) expect_any_instance_of(OpenSSL::X509::Store).to receive(:add_cert).with(cert)
WebMock.stub_request(:get, discovery_url).to_return(body: discovery_response)
expect(service.test[:success]).to be_truthy expect(service.test[:success]).to be_truthy
expect(WebMock).to have_requested(:get, discovery_url).once expect(WebMock).to have_requested(:get, discovery_url).once
...@@ -107,17 +117,15 @@ describe KubernetesService, models: true do ...@@ -107,17 +117,15 @@ describe KubernetesService, models: true do
context 'success' do context 'success' do
it 'reads the discovery endpoint' do it 'reads the discovery endpoint' do
WebMock.stub_request(:get, discovery_url).to_return(body: discovery_response)
expect(service.test[:success]).to be_truthy expect(service.test[:success]).to be_truthy
expect(WebMock).to have_requested(:get, discovery_url).once expect(WebMock).to have_requested(:get, discovery_url).once
end end
end end
context 'failure' do context 'failure' do
it 'fails to read the discovery endpoint' do let(:discovery_response) { { status: 404 } }
WebMock.stub_request(:get, discovery_url).to_return(status: 404)
it 'fails to read the discovery endpoint' do
expect(service.test[:success]).to be_falsy expect(service.test[:success]).to be_falsy
expect(WebMock).to have_requested(:get, discovery_url).once expect(WebMock).to have_requested(:get, discovery_url).once
end end
...@@ -156,4 +164,55 @@ describe KubernetesService, models: true do ...@@ -156,4 +164,55 @@ describe KubernetesService, models: true do
) )
end end
end end
describe '#terminals' do
let(:environment) { build(:environment, project: project, name: "env", slug: "env-000000") }
subject { service.terminals(environment) }
context 'with invalid pods' do
it 'returns no terminals' do
stub_reactive_cache(service, pods: [ { "bad" => "pod" } ])
is_expected.to be_empty
end
end
context 'with valid pods' do
let(:pod) { kube_pod(app: environment.slug) }
let(:terminals) { kube_terminals(service, pod) }
it 'returns terminals' do
stub_reactive_cache(service, pods: [ pod, pod, kube_pod(app: "should-be-filtered-out") ])
is_expected.to eq(terminals + terminals)
end
end
end
describe '#calculate_reactive_cache' do
before { stub_kubeclient_pods }
subject { service.calculate_reactive_cache }
context 'when service is inactive' do
before { service.active = false }
it { is_expected.to be_nil }
end
context 'when kubernetes responds with valid pods' do
it { is_expected.to eq(pods: [kube_pod]) }
end
context 'when kubernetes responds with 500' do
let(:pods_response) { { status: 500 } }
it { expect { subject }.to raise_error(KubeException) }
end
context 'when kubernetes responds with 404' do
let(:pods_response) { { status: 404 } }
it { is_expected.to eq(pods: []) }
end
end
end end
module KubernetesHelpers
include Gitlab::Kubernetes
def kube_discovery_body
{ "kind" => "APIResourceList",
"resources" => [
{ "name" => "pods", "namespaced" => true, "kind" => "Pod" },
],
}
end
def kube_pods_body(*pods)
{ "kind" => "PodList",
"items" => [ kube_pod ],
}
end
# This is a partial response, it will have many more elements in reality but
# these are the ones we care about at the moment
def kube_pod(app: "valid-pod-label")
{ "metadata" => {
"name" => "kube-pod",
"creationTimestamp" => "2016-11-25T19:55:19Z",
"labels" => { "app" => app },
},
"spec" => {
"containers" => [
{ "name" => "container-0" },
{ "name" => "container-1" },
],
},
"status" => { "phase" => "Running" },
}
end
def kube_terminals(service, pod)
pod_name = pod['metadata']['name']
containers = pod['spec']['containers']
containers.map do |container|
terminal = {
selectors: { pod: pod_name, container: container['name'] },
url: container_exec_url(service.api_url, service.namespace, pod_name, container['name']),
subprotocols: ['channel.k8s.io'],
headers: { 'Authorization' => ["Bearer #{service.token}"] },
created_at: DateTime.parse(pod['metadata']['creationTimestamp'])
}
terminal[:ca_pem] = service.ca_pem if service.ca_pem.present?
terminal
end
end
end
module ReactiveCachingHelpers
def reactive_cache_key(subject, *qualifiers)
([subject.class.reactive_cache_key.call(subject)].flatten + qualifiers).join(':')
end
def stub_reactive_cache(subject = nil, data = nil)
allow(ReactiveCachingWorker).to receive(:perform_async)
allow(ReactiveCachingWorker).to receive(:perform_in)
write_reactive_cache(subject, data) if data
end
def read_reactive_cache(subject)
Rails.cache.read(reactive_cache_key(subject))
end
def write_reactive_cache(subject, data)
start_reactive_cache_lifetime(subject)
Rails.cache.write(reactive_cache_key(subject), data)
end
def reactive_cache_alive?(subject)
Rails.cache.read(reactive_cache_key(subject, 'alive'))
end
def invalidate_reactive_cache(subject)
Rails.cache.delete(reactive_cache_key(subject, 'alive'))
end
def start_reactive_cache_lifetime(subject)
Rails.cache.write(reactive_cache_key(subject, 'alive'), true)
end
def expect_reactive_cache_update_queued(subject)
expect(ReactiveCachingWorker).
to receive(:perform_in).
with(subject.class.reactive_cache_refresh_interval, subject.class, subject.id)
end
end
require 'spec_helper'
describe ReactiveCachingWorker do
let(:project) { create(:kubernetes_project) }
let(:service) { project.deployment_service }
subject { described_class.new.perform("KubernetesService", service.id) }
describe '#perform' do
it 'calls #exclusively_update_reactive_cache!' do
expect_any_instance_of(KubernetesService).to receive(:exclusively_update_reactive_cache!)
subject
end
end
end
/*
* Fit terminal columns and rows to the dimensions of its
* DOM element.
*
* Approach:
* - Rows: Truncate the division of the terminal parent element height
* by the terminal row height
*
* - Columns: Truncate the division of the terminal parent element width by
* the terminal character width (apply display: inline at the
* terminal row and truncate its width with the current number
* of columns)
*/
(function (fit) {
if (typeof exports === 'object' && typeof module === 'object') {
/*
* CommonJS environment
*/
module.exports = fit(require('../../xterm'));
} else if (typeof define == 'function') {
/*
* Require.js is available
*/
define(['../../xterm'], fit);
} else {
/*
* Plain browser environment
*/
fit(window.Terminal);
}
})(function (Xterm) {
/**
* This module provides methods for fitting a terminal's size to a parent container.
*
* @module xterm/addons/fit/fit
*/
var exports = {};
exports.proposeGeometry = function (term) {
var parentElementStyle = window.getComputedStyle(term.element.parentElement),
parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height')),
parentElementWidth = parseInt(parentElementStyle.getPropertyValue('width')),
elementStyle = window.getComputedStyle(term.element),
elementPaddingVer = parseInt(elementStyle.getPropertyValue('padding-top')) + parseInt(elementStyle.getPropertyValue('padding-bottom')),
elementPaddingHor = parseInt(elementStyle.getPropertyValue('padding-right')) + parseInt(elementStyle.getPropertyValue('padding-left')),
availableHeight = parentElementHeight - elementPaddingVer,
availableWidth = parentElementWidth - elementPaddingHor,
container = term.rowContainer,
subjectRow = term.rowContainer.firstElementChild,
contentBuffer = subjectRow.innerHTML,
characterHeight,
rows,
characterWidth,
cols,
geometry;
subjectRow.style.display = 'inline';
subjectRow.innerHTML = 'W'; // Common character for measuring width, although on monospace
characterWidth = subjectRow.getBoundingClientRect().width;
subjectRow.style.display = ''; // Revert style before calculating height, since they differ.
characterHeight = parseInt(subjectRow.offsetHeight);
subjectRow.innerHTML = contentBuffer;
rows = parseInt(availableHeight / characterHeight);
cols = parseInt(availableWidth / characterWidth) - 1;
geometry = {cols: cols, rows: rows};
return geometry;
};
exports.fit = function (term) {
var geometry = exports.proposeGeometry(term);
term.resize(geometry.cols, geometry.rows);
};
Xterm.prototype.proposeGeometry = function () {
return exports.proposeGeometry(this);
};
Xterm.prototype.fit = function () {
return exports.fit(this);
};
return exports;
});
This source diff could not be displayed because it is too large. You can view the blob instead.
/**
* xterm.js: xterm, in the browser
* Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
* Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
* https://github.com/chjj/term.js
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Originally forked from (with the author's permission):
* Fabrice Bellard's javascript vt100 for jslinux:
* http://bellard.org/jslinux/
* Copyright (c) 2011 Fabrice Bellard
* The original design remains. The terminal itself
* has been extended to include xterm CSI codes, among
* other features.
*/
/*
* Default style for xterm.js
*/
.terminal {
background-color: #000;
color: #fff;
font-family: courier-new, courier, monospace;
font-feature-settings: "liga" 0;
position: relative;
}
.terminal.focus,
.terminal:focus {
outline: none;
}
.terminal .xterm-helpers {
position: absolute;
top: 0;
}
.terminal .xterm-helper-textarea {
/*
* HACK: to fix IE's blinking cursor
* Move textarea out of the screen to the far left, so that the cursor is not visible.
*/
position: absolute;
opacity: 0;
left: -9999em;
top: -9999em;
width: 0;
height: 0;
z-index: -10;
/** Prevent wrapping so the IME appears against the textarea at the correct position */
white-space: nowrap;
overflow: hidden;
resize: none;
}
.terminal .terminal-cursor {
background-color: #fff;
color: #000;
}
.terminal:not(.focus) .terminal-cursor {
outline: 1px solid #fff;
outline-offset: -1px;
background-color: transparent;
}
.terminal.focus .terminal-cursor.blinking {
animation: blink-cursor 1.2s infinite step-end;
}
@keyframes blink-cursor {
0% {
background-color: #fff;
color: #000;
}
50% {
background-color: transparent;
color: #FFF;
}
}
.terminal .composition-view {
background: #000;
color: #FFF;
display: none;
position: absolute;
white-space: nowrap;
z-index: 1;
}
.terminal .composition-view.active {
display: block;
}
.terminal .xterm-viewport {
/* On OS X this is required in order for the scroll bar to appear fully opaque */
background-color: #000;
overflow-y: scroll;
}
.terminal .xterm-rows {
position: absolute;
left: 0;
top: 0;
}
.terminal .xterm-rows > div {
/* Lines containing spans and text nodes ocassionally wrap despite being the same width (#327) */
white-space: nowrap;
}
.terminal .xterm-scroll-area {
visibility: hidden;
}
.terminal .xterm-char-measure-element {
display: inline-block;
visibility: hidden;
position: absolute;
left: -9999em;
}
/*
* Determine default colors for xterm.js
*/
.terminal .xterm-bold {
font-weight: bold;
}
.terminal .xterm-underline {
text-decoration: underline;
}
.terminal .xterm-blink {
text-decoration: blink;
}
.terminal .xterm-hidden {
visibility: hidden;
}
.terminal .xterm-color-0 {
color: #2e3436;
}
.terminal .xterm-bg-color-0 {
background-color: #2e3436;
}
.terminal .xterm-color-1 {
color: #cc0000;
}
.terminal .xterm-bg-color-1 {
background-color: #cc0000;
}
.terminal .xterm-color-2 {
color: #4e9a06;
}
.terminal .xterm-bg-color-2 {
background-color: #4e9a06;
}
.terminal .xterm-color-3 {
color: #c4a000;
}
.terminal .xterm-bg-color-3 {
background-color: #c4a000;
}
.terminal .xterm-color-4 {
color: #3465a4;
}
.terminal .xterm-bg-color-4 {
background-color: #3465a4;
}
.terminal .xterm-color-5 {
color: #75507b;
}
.terminal .xterm-bg-color-5 {
background-color: #75507b;
}
.terminal .xterm-color-6 {
color: #06989a;
}
.terminal .xterm-bg-color-6 {
background-color: #06989a;
}
.terminal .xterm-color-7 {
color: #d3d7cf;
}
.terminal .xterm-bg-color-7 {
background-color: #d3d7cf;
}
.terminal .xterm-color-8 {
color: #555753;
}
.terminal .xterm-bg-color-8 {
background-color: #555753;
}
.terminal .xterm-color-9 {
color: #ef2929;
}
.terminal .xterm-bg-color-9 {
background-color: #ef2929;
}
.terminal .xterm-color-10 {
color: #8ae234;
}
.terminal .xterm-bg-color-10 {
background-color: #8ae234;
}
.terminal .xterm-color-11 {
color: #fce94f;
}
.terminal .xterm-bg-color-11 {
background-color: #fce94f;
}
.terminal .xterm-color-12 {
color: #729fcf;
}
.terminal .xterm-bg-color-12 {
background-color: #729fcf;
}
.terminal .xterm-color-13 {
color: #ad7fa8;
}
.terminal .xterm-bg-color-13 {
background-color: #ad7fa8;
}
.terminal .xterm-color-14 {
color: #34e2e2;
}
.terminal .xterm-bg-color-14 {
background-color: #34e2e2;
}
.terminal .xterm-color-15 {
color: #eeeeec;
}
.terminal .xterm-bg-color-15 {
background-color: #eeeeec;
}
.terminal .xterm-color-16 {
color: #000000;
}
.terminal .xterm-bg-color-16 {
background-color: #000000;
}
.terminal .xterm-color-17 {
color: #00005f;
}
.terminal .xterm-bg-color-17 {
background-color: #00005f;
}
.terminal .xterm-color-18 {
color: #000087;
}
.terminal .xterm-bg-color-18 {
background-color: #000087;
}
.terminal .xterm-color-19 {
color: #0000af;
}
.terminal .xterm-bg-color-19 {
background-color: #0000af;
}
.terminal .xterm-color-20 {
color: #0000d7;
}
.terminal .xterm-bg-color-20 {
background-color: #0000d7;
}
.terminal .xterm-color-21 {
color: #0000ff;
}
.terminal .xterm-bg-color-21 {
background-color: #0000ff;
}
.terminal .xterm-color-22 {
color: #005f00;
}
.terminal .xterm-bg-color-22 {
background-color: #005f00;
}
.terminal .xterm-color-23 {
color: #005f5f;
}
.terminal .xterm-bg-color-23 {
background-color: #005f5f;
}
.terminal .xterm-color-24 {
color: #005f87;
}
.terminal .xterm-bg-color-24 {
background-color: #005f87;
}
.terminal .xterm-color-25 {
color: #005faf;
}
.terminal .xterm-bg-color-25 {
background-color: #005faf;
}
.terminal .xterm-color-26 {
color: #005fd7;
}
.terminal .xterm-bg-color-26 {
background-color: #005fd7;
}
.terminal .xterm-color-27 {
color: #005fff;
}
.terminal .xterm-bg-color-27 {
background-color: #005fff;
}
.terminal .xterm-color-28 {
color: #008700;
}
.terminal .xterm-bg-color-28 {
background-color: #008700;
}
.terminal .xterm-color-29 {
color: #00875f;
}
.terminal .xterm-bg-color-29 {
background-color: #00875f;
}
.terminal .xterm-color-30 {
color: #008787;
}
.terminal .xterm-bg-color-30 {
background-color: #008787;
}
.terminal .xterm-color-31 {
color: #0087af;
}
.terminal .xterm-bg-color-31 {
background-color: #0087af;
}
.terminal .xterm-color-32 {
color: #0087d7;
}
.terminal .xterm-bg-color-32 {
background-color: #0087d7;
}
.terminal .xterm-color-33 {
color: #0087ff;
}
.terminal .xterm-bg-color-33 {
background-color: #0087ff;
}
.terminal .xterm-color-34 {
color: #00af00;
}
.terminal .xterm-bg-color-34 {
background-color: #00af00;
}
.terminal .xterm-color-35 {
color: #00af5f;
}
.terminal .xterm-bg-color-35 {
background-color: #00af5f;
}
.terminal .xterm-color-36 {
color: #00af87;
}
.terminal .xterm-bg-color-36 {
background-color: #00af87;
}
.terminal .xterm-color-37 {
color: #00afaf;
}
.terminal .xterm-bg-color-37 {
background-color: #00afaf;
}
.terminal .xterm-color-38 {
color: #00afd7;
}
.terminal .xterm-bg-color-38 {
background-color: #00afd7;
}
.terminal .xterm-color-39 {
color: #00afff;
}
.terminal .xterm-bg-color-39 {
background-color: #00afff;
}
.terminal .xterm-color-40 {
color: #00d700;
}
.terminal .xterm-bg-color-40 {
background-color: #00d700;
}
.terminal .xterm-color-41 {
color: #00d75f;
}
.terminal .xterm-bg-color-41 {
background-color: #00d75f;
}
.terminal .xterm-color-42 {
color: #00d787;
}
.terminal .xterm-bg-color-42 {
background-color: #00d787;
}
.terminal .xterm-color-43 {
color: #00d7af;
}
.terminal .xterm-bg-color-43 {
background-color: #00d7af;
}
.terminal .xterm-color-44 {
color: #00d7d7;
}
.terminal .xterm-bg-color-44 {
background-color: #00d7d7;
}
.terminal .xterm-color-45 {
color: #00d7ff;
}
.terminal .xterm-bg-color-45 {
background-color: #00d7ff;
}
.terminal .xterm-color-46 {
color: #00ff00;
}
.terminal .xterm-bg-color-46 {
background-color: #00ff00;
}
.terminal .xterm-color-47 {
color: #00ff5f;
}
.terminal .xterm-bg-color-47 {
background-color: #00ff5f;
}
.terminal .xterm-color-48 {
color: #00ff87;
}
.terminal .xterm-bg-color-48 {
background-color: #00ff87;
}
.terminal .xterm-color-49 {
color: #00ffaf;
}
.terminal .xterm-bg-color-49 {
background-color: #00ffaf;
}
.terminal .xterm-color-50 {
color: #00ffd7;
}
.terminal .xterm-bg-color-50 {
background-color: #00ffd7;
}
.terminal .xterm-color-51 {
color: #00ffff;
}
.terminal .xterm-bg-color-51 {
background-color: #00ffff;
}
.terminal .xterm-color-52 {
color: #5f0000;
}
.terminal .xterm-bg-color-52 {
background-color: #5f0000;
}
.terminal .xterm-color-53 {
color: #5f005f;
}
.terminal .xterm-bg-color-53 {
background-color: #5f005f;
}
.terminal .xterm-color-54 {
color: #5f0087;
}
.terminal .xterm-bg-color-54 {
background-color: #5f0087;
}
.terminal .xterm-color-55 {
color: #5f00af;
}
.terminal .xterm-bg-color-55 {
background-color: #5f00af;
}
.terminal .xterm-color-56 {
color: #5f00d7;
}
.terminal .xterm-bg-color-56 {
background-color: #5f00d7;
}
.terminal .xterm-color-57 {
color: #5f00ff;
}
.terminal .xterm-bg-color-57 {
background-color: #5f00ff;
}
.terminal .xterm-color-58 {
color: #5f5f00;
}
.terminal .xterm-bg-color-58 {
background-color: #5f5f00;
}
.terminal .xterm-color-59 {
color: #5f5f5f;
}
.terminal .xterm-bg-color-59 {
background-color: #5f5f5f;
}
.terminal .xterm-color-60 {
color: #5f5f87;
}
.terminal .xterm-bg-color-60 {
background-color: #5f5f87;
}
.terminal .xterm-color-61 {
color: #5f5faf;
}
.terminal .xterm-bg-color-61 {
background-color: #5f5faf;
}
.terminal .xterm-color-62 {
color: #5f5fd7;
}
.terminal .xterm-bg-color-62 {
background-color: #5f5fd7;
}
.terminal .xterm-color-63 {
color: #5f5fff;
}
.terminal .xterm-bg-color-63 {
background-color: #5f5fff;
}
.terminal .xterm-color-64 {
color: #5f8700;
}
.terminal .xterm-bg-color-64 {
background-color: #5f8700;
}
.terminal .xterm-color-65 {
color: #5f875f;
}
.terminal .xterm-bg-color-65 {
background-color: #5f875f;
}
.terminal .xterm-color-66 {
color: #5f8787;
}
.terminal .xterm-bg-color-66 {
background-color: #5f8787;
}
.terminal .xterm-color-67 {
color: #5f87af;
}
.terminal .xterm-bg-color-67 {
background-color: #5f87af;
}
.terminal .xterm-color-68 {
color: #5f87d7;
}
.terminal .xterm-bg-color-68 {
background-color: #5f87d7;
}
.terminal .xterm-color-69 {
color: #5f87ff;
}
.terminal .xterm-bg-color-69 {
background-color: #5f87ff;
}
.terminal .xterm-color-70 {
color: #5faf00;
}
.terminal .xterm-bg-color-70 {
background-color: #5faf00;
}
.terminal .xterm-color-71 {
color: #5faf5f;
}
.terminal .xterm-bg-color-71 {
background-color: #5faf5f;
}
.terminal .xterm-color-72 {
color: #5faf87;
}
.terminal .xterm-bg-color-72 {
background-color: #5faf87;
}
.terminal .xterm-color-73 {
color: #5fafaf;
}
.terminal .xterm-bg-color-73 {
background-color: #5fafaf;
}
.terminal .xterm-color-74 {
color: #5fafd7;
}
.terminal .xterm-bg-color-74 {
background-color: #5fafd7;
}
.terminal .xterm-color-75 {
color: #5fafff;
}
.terminal .xterm-bg-color-75 {
background-color: #5fafff;
}
.terminal .xterm-color-76 {
color: #5fd700;
}
.terminal .xterm-bg-color-76 {
background-color: #5fd700;
}
.terminal .xterm-color-77 {
color: #5fd75f;
}
.terminal .xterm-bg-color-77 {
background-color: #5fd75f;
}
.terminal .xterm-color-78 {
color: #5fd787;
}
.terminal .xterm-bg-color-78 {
background-color: #5fd787;
}
.terminal .xterm-color-79 {
color: #5fd7af;
}
.terminal .xterm-bg-color-79 {
background-color: #5fd7af;
}
.terminal .xterm-color-80 {
color: #5fd7d7;
}
.terminal .xterm-bg-color-80 {
background-color: #5fd7d7;
}
.terminal .xterm-color-81 {
color: #5fd7ff;
}
.terminal .xterm-bg-color-81 {
background-color: #5fd7ff;
}
.terminal .xterm-color-82 {
color: #5fff00;
}
.terminal .xterm-bg-color-82 {
background-color: #5fff00;
}
.terminal .xterm-color-83 {
color: #5fff5f;
}
.terminal .xterm-bg-color-83 {
background-color: #5fff5f;
}
.terminal .xterm-color-84 {
color: #5fff87;
}
.terminal .xterm-bg-color-84 {
background-color: #5fff87;
}
.terminal .xterm-color-85 {
color: #5fffaf;
}
.terminal .xterm-bg-color-85 {
background-color: #5fffaf;
}
.terminal .xterm-color-86 {
color: #5fffd7;
}
.terminal .xterm-bg-color-86 {
background-color: #5fffd7;
}
.terminal .xterm-color-87 {
color: #5fffff;
}
.terminal .xterm-bg-color-87 {
background-color: #5fffff;
}
.terminal .xterm-color-88 {
color: #870000;
}
.terminal .xterm-bg-color-88 {
background-color: #870000;
}
.terminal .xterm-color-89 {
color: #87005f;
}
.terminal .xterm-bg-color-89 {
background-color: #87005f;
}
.terminal .xterm-color-90 {
color: #870087;
}
.terminal .xterm-bg-color-90 {
background-color: #870087;
}
.terminal .xterm-color-91 {
color: #8700af;
}
.terminal .xterm-bg-color-91 {
background-color: #8700af;
}
.terminal .xterm-color-92 {
color: #8700d7;
}
.terminal .xterm-bg-color-92 {
background-color: #8700d7;
}
.terminal .xterm-color-93 {
color: #8700ff;
}
.terminal .xterm-bg-color-93 {
background-color: #8700ff;
}
.terminal .xterm-color-94 {
color: #875f00;
}
.terminal .xterm-bg-color-94 {
background-color: #875f00;
}
.terminal .xterm-color-95 {
color: #875f5f;
}
.terminal .xterm-bg-color-95 {
background-color: #875f5f;
}
.terminal .xterm-color-96 {
color: #875f87;
}
.terminal .xterm-bg-color-96 {
background-color: #875f87;
}
.terminal .xterm-color-97 {
color: #875faf;
}
.terminal .xterm-bg-color-97 {
background-color: #875faf;
}
.terminal .xterm-color-98 {
color: #875fd7;
}
.terminal .xterm-bg-color-98 {
background-color: #875fd7;
}
.terminal .xterm-color-99 {
color: #875fff;
}
.terminal .xterm-bg-color-99 {
background-color: #875fff;
}
.terminal .xterm-color-100 {
color: #878700;
}
.terminal .xterm-bg-color-100 {
background-color: #878700;
}
.terminal .xterm-color-101 {
color: #87875f;
}
.terminal .xterm-bg-color-101 {
background-color: #87875f;
}
.terminal .xterm-color-102 {
color: #878787;
}
.terminal .xterm-bg-color-102 {
background-color: #878787;
}
.terminal .xterm-color-103 {
color: #8787af;
}
.terminal .xterm-bg-color-103 {
background-color: #8787af;
}
.terminal .xterm-color-104 {
color: #8787d7;
}
.terminal .xterm-bg-color-104 {
background-color: #8787d7;
}
.terminal .xterm-color-105 {
color: #8787ff;
}
.terminal .xterm-bg-color-105 {
background-color: #8787ff;
}
.terminal .xterm-color-106 {
color: #87af00;
}
.terminal .xterm-bg-color-106 {
background-color: #87af00;
}
.terminal .xterm-color-107 {
color: #87af5f;
}
.terminal .xterm-bg-color-107 {
background-color: #87af5f;
}
.terminal .xterm-color-108 {
color: #87af87;
}
.terminal .xterm-bg-color-108 {
background-color: #87af87;
}
.terminal .xterm-color-109 {
color: #87afaf;
}
.terminal .xterm-bg-color-109 {
background-color: #87afaf;
}
.terminal .xterm-color-110 {
color: #87afd7;
}
.terminal .xterm-bg-color-110 {
background-color: #87afd7;
}
.terminal .xterm-color-111 {
color: #87afff;
}
.terminal .xterm-bg-color-111 {
background-color: #87afff;
}
.terminal .xterm-color-112 {
color: #87d700;
}
.terminal .xterm-bg-color-112 {
background-color: #87d700;
}
.terminal .xterm-color-113 {
color: #87d75f;
}
.terminal .xterm-bg-color-113 {
background-color: #87d75f;
}
.terminal .xterm-color-114 {
color: #87d787;
}
.terminal .xterm-bg-color-114 {
background-color: #87d787;
}
.terminal .xterm-color-115 {
color: #87d7af;
}
.terminal .xterm-bg-color-115 {
background-color: #87d7af;
}
.terminal .xterm-color-116 {
color: #87d7d7;
}
.terminal .xterm-bg-color-116 {
background-color: #87d7d7;
}
.terminal .xterm-color-117 {
color: #87d7ff;
}
.terminal .xterm-bg-color-117 {
background-color: #87d7ff;
}
.terminal .xterm-color-118 {
color: #87ff00;
}
.terminal .xterm-bg-color-118 {
background-color: #87ff00;
}
.terminal .xterm-color-119 {
color: #87ff5f;
}
.terminal .xterm-bg-color-119 {
background-color: #87ff5f;
}
.terminal .xterm-color-120 {
color: #87ff87;
}
.terminal .xterm-bg-color-120 {
background-color: #87ff87;
}
.terminal .xterm-color-121 {
color: #87ffaf;
}
.terminal .xterm-bg-color-121 {
background-color: #87ffaf;
}
.terminal .xterm-color-122 {
color: #87ffd7;
}
.terminal .xterm-bg-color-122 {
background-color: #87ffd7;
}
.terminal .xterm-color-123 {
color: #87ffff;
}
.terminal .xterm-bg-color-123 {
background-color: #87ffff;
}
.terminal .xterm-color-124 {
color: #af0000;
}
.terminal .xterm-bg-color-124 {
background-color: #af0000;
}
.terminal .xterm-color-125 {
color: #af005f;
}
.terminal .xterm-bg-color-125 {
background-color: #af005f;
}
.terminal .xterm-color-126 {
color: #af0087;
}
.terminal .xterm-bg-color-126 {
background-color: #af0087;
}
.terminal .xterm-color-127 {
color: #af00af;
}
.terminal .xterm-bg-color-127 {
background-color: #af00af;
}
.terminal .xterm-color-128 {
color: #af00d7;
}
.terminal .xterm-bg-color-128 {
background-color: #af00d7;
}
.terminal .xterm-color-129 {
color: #af00ff;
}
.terminal .xterm-bg-color-129 {
background-color: #af00ff;
}
.terminal .xterm-color-130 {
color: #af5f00;
}
.terminal .xterm-bg-color-130 {
background-color: #af5f00;
}
.terminal .xterm-color-131 {
color: #af5f5f;
}
.terminal .xterm-bg-color-131 {
background-color: #af5f5f;
}
.terminal .xterm-color-132 {
color: #af5f87;
}
.terminal .xterm-bg-color-132 {
background-color: #af5f87;
}
.terminal .xterm-color-133 {
color: #af5faf;
}
.terminal .xterm-bg-color-133 {
background-color: #af5faf;
}
.terminal .xterm-color-134 {
color: #af5fd7;
}
.terminal .xterm-bg-color-134 {
background-color: #af5fd7;
}
.terminal .xterm-color-135 {
color: #af5fff;
}
.terminal .xterm-bg-color-135 {
background-color: #af5fff;
}
.terminal .xterm-color-136 {
color: #af8700;
}
.terminal .xterm-bg-color-136 {
background-color: #af8700;
}
.terminal .xterm-color-137 {
color: #af875f;
}
.terminal .xterm-bg-color-137 {
background-color: #af875f;
}
.terminal .xterm-color-138 {
color: #af8787;
}
.terminal .xterm-bg-color-138 {
background-color: #af8787;
}
.terminal .xterm-color-139 {
color: #af87af;
}
.terminal .xterm-bg-color-139 {
background-color: #af87af;
}
.terminal .xterm-color-140 {
color: #af87d7;
}
.terminal .xterm-bg-color-140 {
background-color: #af87d7;
}
.terminal .xterm-color-141 {
color: #af87ff;
}
.terminal .xterm-bg-color-141 {
background-color: #af87ff;
}
.terminal .xterm-color-142 {
color: #afaf00;
}
.terminal .xterm-bg-color-142 {
background-color: #afaf00;
}
.terminal .xterm-color-143 {
color: #afaf5f;
}
.terminal .xterm-bg-color-143 {
background-color: #afaf5f;
}
.terminal .xterm-color-144 {
color: #afaf87;
}
.terminal .xterm-bg-color-144 {
background-color: #afaf87;
}
.terminal .xterm-color-145 {
color: #afafaf;
}
.terminal .xterm-bg-color-145 {
background-color: #afafaf;
}
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}
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