Commit 7244f1f0 authored by Xavier Thompson's avatar Xavier Thompson

slap/standalone: Add slapformat configuration

This enables calling `slapos node format` from the command line.

The configuration is updated every time `StandaloneSlapOS.format()`
is called so that subsequent calls to `slapos node format` produce
the same output.

In the future, `StandaloneSlapOS.format()` could be adapted to call
`slapos node format` directly.

See merge request nexedi/slapos.core!308
parent 8a2561ad
......@@ -33,6 +33,7 @@ import logging
import time
import errno
import socket
import pwd
from six.moves import urllib
from six.moves import http_client
......@@ -207,6 +208,15 @@ class SlapOSConfigWriter(ConfigWriter):
pidfile_report = {standalone_slapos._report_pid}
forbid_supervisord_automatic_launch = true
[slapformat]
input_definition_file = {standalone_slapos._slapformat_definition}
partition_amount = {standalone_slapos._partition_count}
alter_user = false
alter_network = false
create_tap = false
create_tun = false
computer_xml = {standalone_slapos._slapos_xml}
[slapproxy]
host = {standalone_slapos._server_ip}
port = {standalone_slapos._server_port}
......@@ -256,6 +266,35 @@ class SlapOSNodeAutoWriter(ConfigWriter):
os.chmod(path, 0o755)
class SlapformatDefinitionWriter(ConfigWriter):
"""Write slapformat-definition.cfg configuration.
"""
def writeConfig(self, path):
ipv4 = self._standalone_slapos._ipv4_address
ipv6 = self._standalone_slapos._ipv6_address
ipv4_cidr = ipv4 + '/255.255.255.255' if ipv4 else ''
ipv6_cidr = ipv6 + '/64' if ipv6 else ''
user = pwd.getpwuid(os.getuid()).pw_name
partition_base_name = self._standalone_slapos._partition_base_name
with open(path, 'w') as f:
f.write(
textwrap.dedent(
"""
[computer]
address = {ipv4_cidr}\n
""").format(**locals()))
for i in range(self._standalone_slapos._partition_count):
f.write(
textwrap.dedent(
"""
[partition_{i}]
address = {ipv6_cidr} {ipv4_cidr}
pathname = {partition_base_name}{i}
user = {user}
network_interface =\n
""").format(**locals()))
class PartitionForwardConfiguration(object):
"""Specification of request forwarding to another master, requested as user.
"""
......@@ -352,6 +391,10 @@ class StandaloneSlapOS(object):
self._base_directory = base_directory
self._shared_part_list = list(shared_part_list)
self._partition_forward_configuration = list(partition_forward_configuration)
self._partition_count = 0
self._partition_base_name = 'slappart'
self._ipv4_address = None
self._ipv6_address = None
self._slapos_bin = slapos_bin
......@@ -424,6 +467,8 @@ class StandaloneSlapOS(object):
ensureDirectoryExists(etc_directory)
self._supervisor_config = os.path.join(etc_directory, 'supervisord.conf')
self._slapos_config = os.path.join(etc_directory, 'slapos.cfg')
self._slapformat_definition = os.path.join(etc_directory, 'slapformat-definition.cfg')
self._slapos_xml = os.path.join(etc_directory, 'slapos.xml')
var_directory = os.path.join(base_directory, 'var')
ensureDirectoryExists(var_directory)
......@@ -451,6 +496,7 @@ class StandaloneSlapOS(object):
SupervisorConfigWriter(self).writeConfig(self._supervisor_config)
SlapOSConfigWriter(self).writeConfig(self._slapos_config)
SlapformatDefinitionWriter(self).writeConfig(self._slapformat_definition)
SlapOSCommandWriter(self).writeConfig(self._slapos_wrapper)
SlapOSNodeAutoWriter(self).writeConfig(self._slapos_node_auto_bin)
......@@ -607,6 +653,16 @@ class StandaloneSlapOS(object):
supervisor_conf)
os.unlink(supervisor_conf)
# update slapformat configuration
old_partition_count = self._partition_count
self._partition_count = partition_count
self._partition_base_name = partition_base_name
self._ipv4_address = ipv4_address
self._ipv6_address = ipv6_address
if old_partition_count != partition_count:
SlapOSConfigWriter(self).writeConfig(self._slapos_config)
SlapformatDefinitionWriter(self).writeConfig(self._slapformat_definition)
def supply(self, software_url, computer_guid=None, state="available"):
"""Supply a software, see ISupply.supply
......
......@@ -35,6 +35,8 @@ import hashlib
import socket
import errno
import time
import glob
import subprocess
import multiprocessing
from contextlib import closing
from six.moves.configparser import ConfigParser
......@@ -159,6 +161,29 @@ class TestSlapOSStandaloneSetup(unittest.TestCase):
self.assertRaisesRegex(ValueError, "Cannot reformat to remove busy partition at .*slappart0"):
standalone.format(0, SLAPOS_TEST_IPV4, SLAPOS_TEST_IPV6)
def test_slapos_node_format(self):
working_dir = tempfile.mkdtemp(prefix=__name__)
self.addCleanup(shutil.rmtree, working_dir)
standalone = StandaloneSlapOS(
working_dir, SLAPOS_TEST_IPV4, SLAPOS_TEST_PORT)
self.addCleanup(standalone.stop)
self.assertTrue(os.path.exists(standalone.instance_directory))
format_command = (standalone._slapos_wrapper, 'node', 'format', '--now')
glob_pattern = os.path.join(standalone.instance_directory, 'slappart*')
self.assertFalse(glob.glob(glob_pattern))
self.assertTrue(subprocess.call(format_command))
self.assertFalse(glob.glob(glob_pattern))
for partition_count in (3, 2):
standalone.format(partition_count, SLAPOS_TEST_IPV4, SLAPOS_TEST_IPV6)
self.assertEqual(partition_count, len(glob.glob(glob_pattern)))
subprocess.check_call(format_command)
partitions = glob.glob(glob_pattern)
self.assertEqual(partition_count, len(partitions))
for path in partitions:
shutil.rmtree(path)
subprocess.check_call(format_command)
self.assertEqual(partition_count, len(glob.glob(glob_pattern)))
def test_two_instance_from_same_directory(self):
working_dir = tempfile.mkdtemp(prefix=__name__)
self.addCleanup(shutil.rmtree, working_dir)
......
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