Allow longer Helm channel names

Changelog: changed

app/models/packages/helm/file_metadatum.rb

@@ -12,7 +12,7 @@ module Packages
 
       validates :channel,
         presence: true,
-        length: { maximum: 63 },
+        length: { maximum: 255 },
         format: { with: Gitlab::Regex.helm_channel_regex }
 
       validates :metadata,

db/migrate/20211006103122_change_helm_channel_length.rb

+# frozen_string_literal: true
+
+class ChangeHelmChannelLength < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    add_text_limit :packages_helm_file_metadata, :channel, 255, constraint_name: check_constraint_name(:packages_helm_file_metadata, :channel, 'max_length_v2')
+    remove_text_limit :packages_helm_file_metadata, :channel, constraint_name: check_constraint_name(:packages_helm_file_metadata, :channel, 'max_length')
+  end
+
+  def down
+    # no-op: Danger of failing if there are records with length(channel) > 63
+  end
+end

db/schema_migrations/20211006103122

+1e29e4712d81aacf1178996c2dd9e82593be5a2311273800d91640d8eccd38ed
\ No newline at end of file

db/structure.sql

@@ -17062,7 +17062,7 @@ CREATE TABLE packages_helm_file_metadata (
     package_file_id bigint NOT NULL,
     channel text NOT NULL,
     metadata jsonb,
-    CONSTRAINT check_c34067922d CHECK ((char_length(channel) <= 63))
+    CONSTRAINT check_06e8d100af CHECK ((char_length(channel) <= 255))
 );
 
 CREATE TABLE packages_maven_metadata (

lib/gitlab/regex.rb

@@ -131,7 +131,7 @@ module Gitlab
       end
 
       def helm_channel_regex
-        @helm_channel_regex ||= %r{\A([a-zA-Z0-9](\.|-|_)?){1,63}(?<!\.|-|_)\z}.freeze
+        @helm_channel_regex ||= %r{\A([a-zA-Z0-9](\.|-|_)?){1,255}(?<!\.|-|_)\z}.freeze
       end
 
       def helm_package_regex

spec/lib/gitlab/regex_spec.rb

@@ -657,6 +657,7 @@ RSpec.describe Gitlab::Regex do
     it { is_expected.to match('my_repo42') }
     it { is_expected.to match('1.2.3') }
     it { is_expected.to match('v1.2.3-beta-12') }
+    it { is_expected.to match('renovate_https-github.com-operator-framework-operator-lifecycle-manager.git-0.x') }
 
     # Do not allow empty
     it { is_expected.not_to match('') }

spec/models/packages/helm/file_metadatum_spec.rb

@@ -31,8 +31,8 @@ RSpec.describe Packages::Helm::FileMetadatum, type: :model do
       it 'validates #channel', :aggregate_failures do
         is_expected.to validate_presence_of(:channel)
 
-        is_expected.to allow_value('a' * 63).for(:channel)
-        is_expected.not_to allow_value('a' * 64).for(:channel)
+        is_expected.to allow_value('a' * 255).for(:channel)
+        is_expected.not_to allow_value('a' * 256).for(:channel)
 
         is_expected.to allow_value('release').for(:channel)
         is_expected.to allow_value('my-repo').for(:channel)