def on_get(self, req, resp):
'''Controller for listing Tiller releases.
'''
try:
tiller = Tiller(
tiller_host=req.get_param('tiller_host'),
tiller_port=req.get_param_as_int('tiller_port') or
CONF.tiller_port,
tiller_namespace=req.get_param(
'tiller_namespace', default=CONF.tiller_namespace))
LOG.debug(
'Tiller (Release) at: %s:%s, namespace=%s, '
'timeout=%s', tiller.tiller_host, tiller.tiller_port,
tiller.tiller_namespace, tiller.timeout)
releases = {}
for release in tiller.list_releases():
releases.setdefault(release.namespace, [])
releases[release.namespace].append(release.name)
resp.body = json.dumps({'releases': releases})
resp.content_type = 'application/json'
resp.status = falcon.HTTP_200
except Exception as e:
err_message = 'Unable to find Tiller Releases: {}'.format(e)
self.error(req.context, err_message)
self.return_error(resp, falcon.HTTP_500, message=err_message)
def on_get(self, req, resp):
'''
get tiller releases
'''
try:
# Get tiller releases
opts = req.params
tiller = Tiller(tiller_host=opts.get('tiller_host', None),
tiller_port=opts.get('tiller_port', None))
releases = {}
for release in tiller.list_releases():
if not releases.get(release.namespace, None):
releases[release.namespace] = []
releases[release.namespace].append(release.name)
resp.body = json.dumps({'releases': releases})
resp.content_type = 'application/json'
resp.status = falcon.HTTP_200
except Exception as e:
err_message = 'Unable to find Tiller Releases: {}'.format(e)
self.error(req.context, err_message)
self.return_error(resp, falcon.HTTP_500, message=err_message)
def tillerServer(args):
tiller = Tiller()
if args.status:
LOG.info('Tiller is Active: %s', tiller.tiller_status())
if args.releases:
for release in tiller.list_releases():
LOG.info("Release: %s ( namespace= %s )", release.name,
release.namespace)
def tillerServer(args):
tiller = Tiller()
if args.status:
resp = tiller.tiller_version()
LOG.info('Tiller Service: %s', tiller.tiller_status())
LOG.info('Tiller Version: %s', getattr(resp.Version, 'sem_ver', False))
if args.releases:
for release in tiller.list_releases():
LOG.info("Release: %s ( namespace= %s )", release.name,
release.namespace)
def invoke(self):
tiller = Tiller(tiller_host=self.tiller_host,
tiller_port=self.tiller_port,
tiller_namespace=self.tiller_namespace)
if self.status:
if not self.ctx.obj.get('api', False):
self.logger.info('Tiller Service: %s', tiller.tiller_status())
self.logger.info('Tiller Version: %s', tiller.tiller_version())
else:
client = self.ctx.obj.get('CLIENT')
query = {
'tiller_host': self.tiller_host,
'tiller_port': self.tiller_port,
'tiller_namespace': self.tiller_namespace
}
resp = client.get_status(query=query)
tiller_status = resp.get('tiller').get('state', False)
tiller_version = resp.get('tiller').get('version')
self.logger.info("Tiller Service: %s", tiller_status)
self.logger.info("Tiller Version: %s", tiller_version)
if self.releases:
if not self.ctx.obj.get('api', False):
for release in tiller.list_releases():
self.logger.info("Release %s in namespace: %s",
release.name, release.namespace)
else:
client = self.ctx.obj.get('CLIENT')
query = {
'tiller_host': self.tiller_host,
'tiller_port': self.tiller_port,
'tiller_namespace': self.tiller_namespace
}
resp = client.get_releases(query=query)
for namespace in resp.get('releases'):
for release in resp.get('releases').get(namespace):
self.logger.info('Release %s in namespace: %s',
release, namespace)
def on_get(self, req, resp):
'''
get tiller releases
'''
try:
# Get tiller releases
handler = Tiller()
releases = {}
for release in handler.list_releases():
if not releases.get(release.namespace, None):
releases[release.namespace] = []
releases[release.namespace].append(release.name)
resp.data = json.dumps({'releases': releases})
resp.content_type = 'application/json'
resp.status = falcon.HTTP_200
except Exception as e:
self.error(req.context, "Unable to find resources")
self.return_error(resp,
falcon.HTTP_500,
message="Unable to find Releases: {}".format(e))
class Armada(object):
'''
This is the main Armada class handling the Armada
workflows
'''
def __init__(self,
documents,
disable_update_pre=False,
disable_update_post=False,
enable_chart_cleanup=False,
dry_run=False,
set_ovr=None,
force_wait=False,
timeout=None,
tiller_host=None,
tiller_port=None,
tiller_namespace=None,
values=None,
target_manifest=None,
k8s_wait_attempts=1,
k8s_wait_attempt_sleep=1):
'''
Initialize the Armada engine and establish a connection to Tiller.
:param List[dict] documents: Armada documents.
:param bool disable_update_pre: Disable pre-update Tiller operations.
:param bool disable_update_post: Disable post-update Tiller
operations.
:param bool enable_chart_cleanup: Clean up unmanaged charts.
:param bool dry_run: Run charts without installing them.
:param bool force_wait: Force Tiller to wait until all charts are
deployed, rather than using each chart's specified wait policy.
:param int timeout: Specifies overall time in seconds that Tiller
should wait for charts until timing out.
:param str tiller_host: Tiller host IP. Default is None.
:param int tiller_port: Tiller host port. Default is
``CONF.tiller_port``.
:param str tiller_namespace: Tiller host namespace. Default is
``CONF.tiller_namespace``.
:param str target_manifest: The target manifest to run. Useful for
specifying which manifest to run when multiple are available.
:param int k8s_wait_attempts: The number of times to attempt waiting
for pods to become ready.
:param int k8s_wait_attempt_sleep: The time in seconds to sleep
between attempts.
'''
tiller_port = tiller_port or CONF.tiller_port
tiller_namespace = tiller_namespace or CONF.tiller_namespace
self.enable_chart_cleanup = enable_chart_cleanup
self.dry_run = dry_run
self.force_wait = force_wait
# TODO: Use dependency injection i.e. pass in a Tiller instead of
# creating it here.
self.tiller = Tiller(tiller_host=tiller_host,
tiller_port=tiller_port,
tiller_namespace=tiller_namespace,
dry_run=dry_run)
try:
self.documents = Override(documents,
overrides=set_ovr,
values=values).update_manifests()
except (validate_exceptions.InvalidManifestException,
override_exceptions.InvalidOverrideValueException):
raise
self.manifest = Manifest(
self.documents, target_manifest=target_manifest).get_manifest()
self.cloned_dirs = set()
self.chart_deploy = ChartDeploy(disable_update_pre,
disable_update_post, self.dry_run,
k8s_wait_attempts,
k8s_wait_attempt_sleep, timeout,
self.tiller)
def pre_flight_ops(self):
"""Perform a series of checks and operations to ensure proper
deployment.
"""
LOG.info("Performing pre-flight operations.")
# Ensure Tiller is available and manifest is valid
if not self.tiller.tiller_status():
raise tiller_exceptions.TillerServicesUnavailableException()
# Clone the chart sources
repos = {}
manifest_data = self.manifest.get(const.KEYWORD_ARMADA, {})
for group in manifest_data.get(const.KEYWORD_GROUPS, []):
for ch in group.get(const.KEYWORD_CHARTS, []):
self.tag_cloned_repo(ch, repos)
for dep in ch.get('chart', {}).get('dependencies', []):
self.tag_cloned_repo(dep, repos)
def tag_cloned_repo(self, ch, repos):
chart = ch.get('chart', {})
chart_source = chart.get('source', {})
location = chart_source.get('location')
ct_type = chart_source.get('type')
subpath = chart_source.get('subpath', '.')
if ct_type == 'local':
chart['source_dir'] = (location, subpath)
elif ct_type == 'tar':
LOG.info('Downloading tarball from: %s', location)
if not CONF.certs:
LOG.warn('Disabling server validation certs to extract charts')
tarball_dir = source.get_tarball(location, verify=False)
else:
tarball_dir = source.get_tarball(location, verify=CONF.cert)
chart['source_dir'] = (tarball_dir, subpath)
elif ct_type == 'git':
reference = chart_source.get('reference', 'master')
repo_branch = (location, reference)
if repo_branch not in repos:
auth_method = chart_source.get('auth_method')
proxy_server = chart_source.get('proxy_server')
logstr = 'Cloning repo: {} from branch: {}'.format(
*repo_branch)
if proxy_server:
logstr += ' proxy: {}'.format(proxy_server)
if auth_method:
logstr += ' auth method: {}'.format(auth_method)
LOG.info(logstr)
repo_dir = source.git_clone(*repo_branch,
proxy_server=proxy_server,
auth_method=auth_method)
self.cloned_dirs.add(repo_dir)
repos[repo_branch] = repo_dir
chart['source_dir'] = (repo_dir, subpath)
else:
chart['source_dir'] = (repos.get(repo_branch), subpath)
else:
chart_name = chart.get('chart_name')
raise source_exceptions.ChartSourceException(ct_type, chart_name)
def sync(self):
'''
Synchronize Helm with the Armada Config(s)
'''
if self.dry_run:
LOG.info('Armada is in DRY RUN mode, no changes being made.')
msg = {
'install': [],
'upgrade': [],
'diff': [],
'purge': [],
'protected': []
}
# TODO: (gardlt) we need to break up this func into
# a more cleaner format
self.pre_flight_ops()
known_releases = self.tiller.list_releases()
manifest_data = self.manifest.get(const.KEYWORD_ARMADA, {})
prefix = manifest_data.get(const.KEYWORD_PREFIX)
for chartgroup in manifest_data.get(const.KEYWORD_GROUPS, []):
cg_name = chartgroup.get('name', '<missing name>')
cg_desc = chartgroup.get('description', '<missing description>')
cg_sequenced = chartgroup.get('sequenced',
False) or self.force_wait
LOG.info('Processing ChartGroup: %s (%s), sequenced=%s%s', cg_name,
cg_desc, cg_sequenced,
' (forced)' if self.force_wait else '')
# TODO(MarshM): Deprecate the `test_charts` key
cg_test_all_charts = chartgroup.get('test_charts')
if isinstance(cg_test_all_charts, bool):
LOG.warn('The ChartGroup `test_charts` key is deprecated, '
'and support for this will be removed. See the '
'Chart `test` key for more information.')
else:
# This key defaults to True. Individual charts must
# explicitly disable helm tests if they choose
cg_test_all_charts = True
cg_charts = chartgroup.get(const.KEYWORD_CHARTS, [])
charts = map(lambda x: x.get('chart', {}), cg_charts)
def deploy_chart(chart):
set_current_chart(chart)
try:
return self.chart_deploy.execute(chart, cg_test_all_charts,
prefix, known_releases)
finally:
set_current_chart(None)
results = []
failures = []
# Returns whether or not there was a failure
def handle_result(chart, get_result):
name = chart['chart_name']
try:
result = get_result()
except Exception as e:
LOG.error('Chart deploy [%s] failed: %s', name, e)
failures.append(name)
return True
else:
results.append(result)
return False
if cg_sequenced:
for chart in charts:
if (handle_result(chart, lambda: deploy_chart(chart))):
break
else:
with ThreadPoolExecutor(
max_workers=len(cg_charts)) as executor:
future_to_chart = {
executor.submit(deploy_chart, chart): chart
for chart in charts
}
for future in as_completed(future_to_chart):
chart = future_to_chart[future]
handle_result(chart, future.result)
if failures:
LOG.error('Chart deploy(s) failed: %s', failures)
raise armada_exceptions.ChartDeployException(failures)
for result in results:
for k, v in result.items():
msg[k].append(v)
# End of Charts in ChartGroup
LOG.info('All Charts applied in ChartGroup %s.', cg_name)
self.post_flight_ops()
if self.enable_chart_cleanup:
self._chart_cleanup(
prefix,
self.manifest[const.KEYWORD_ARMADA][const.KEYWORD_GROUPS], msg)
LOG.info('Done applying manifest.')
return msg
def post_flight_ops(self):
'''
Operations to run after deployment process has terminated
'''
LOG.info("Performing post-flight operations.")
# Delete temp dirs used for deployment
for cloned_dir in self.cloned_dirs:
LOG.debug('Removing cloned temp directory: %s', cloned_dir)
source.source_cleanup(cloned_dir)
def _chart_cleanup(self, prefix, charts, msg):
LOG.info('Processing chart cleanup to remove unspecified releases.')
valid_releases = []
for gchart in charts:
for chart in gchart.get(const.KEYWORD_CHARTS, []):
valid_releases.append(
release_prefixer(prefix,
chart.get('chart', {}).get('release')))
actual_releases = [x.name for x in self.tiller.list_releases()]
release_diff = list(set(actual_releases) - set(valid_releases))
for release in release_diff:
if release.startswith(prefix):
LOG.info('Purging release %s as part of chart cleanup.',
release)
self.tiller.uninstall_release(release)
msg['purge'].append(release)
class Armada(object):
'''
This is the main Armada class handling the Armada
workflows
'''
def __init__(self,
documents,
disable_update_pre=False,
disable_update_post=False,
enable_chart_cleanup=False,
dry_run=False,
set_ovr=None,
force_wait=False,
timeout=0,
tiller_host=None,
tiller_port=None,
tiller_namespace=None,
values=None,
target_manifest=None,
k8s_wait_attempts=1,
k8s_wait_attempt_sleep=1):
'''
Initialize the Armada engine and establish a connection to Tiller.
:param List[dict] documents: Armada documents.
:param bool disable_update_pre: Disable pre-update Tiller operations.
:param bool disable_update_post: Disable post-update Tiller
operations.
:param bool enable_chart_cleanup: Clean up unmanaged charts.
:param bool dry_run: Run charts without installing them.
:param bool force_wait: Force Tiller to wait until all charts are
deployed, rather than using each chart's specified wait policy.
:param int timeout: Specifies overall time in seconds that Tiller
should wait for charts until timing out.
:param str tiller_host: Tiller host IP. Default is None.
:param int tiller_port: Tiller host port. Default is
``CONF.tiller_port``.
:param str tiller_namespace: Tiller host namespace. Default is
``CONF.tiller_namespace``.
:param str target_manifest: The target manifest to run. Useful for
specifying which manifest to run when multiple are available.
:param int k8s_wait_attempts: The number of times to attempt waiting
for pods to become ready.
:param int k8s_wait_attempt_sleep: The time in seconds to sleep
between attempts.
'''
tiller_port = tiller_port or CONF.tiller_port
tiller_namespace = tiller_namespace or CONF.tiller_namespace
self.disable_update_pre = disable_update_pre
self.disable_update_post = disable_update_post
self.enable_chart_cleanup = enable_chart_cleanup
self.dry_run = dry_run
self.force_wait = force_wait
self.timeout = timeout
# TODO: Use dependency injection i.e. pass in a Tiller instead of
# creating it here.
self.tiller = Tiller(tiller_host=tiller_host,
tiller_port=tiller_port,
tiller_namespace=tiller_namespace,
dry_run=dry_run)
try:
self.documents = Override(documents,
overrides=set_ovr,
values=values).update_manifests()
except (validate_exceptions.InvalidManifestException,
override_exceptions.InvalidOverrideValueException):
raise
self.k8s_wait_attempts = k8s_wait_attempts
self.k8s_wait_attempt_sleep = k8s_wait_attempt_sleep
self.manifest = Manifest(
self.documents, target_manifest=target_manifest).get_manifest()
self.cloned_dirs = set()
def find_release_chart(self, known_releases, release_name):
'''
Find a release given a list of known_releases and a release name
'''
for release, _, chart, values, _ in known_releases:
if release == release_name:
return chart, values
def pre_flight_ops(self):
"""Perform a series of checks and operations to ensure proper
deployment.
"""
LOG.info("Performing pre-flight operations.")
# Ensure Tiller is available and manifest is valid
if not self.tiller.tiller_status():
raise tiller_exceptions.TillerServicesUnavailableException()
# Clone the chart sources
repos = {}
manifest_data = self.manifest.get(const.KEYWORD_ARMADA, {})
for group in manifest_data.get(const.KEYWORD_GROUPS, []):
for ch in group.get(const.KEYWORD_CHARTS, []):
self.tag_cloned_repo(ch, repos)
for dep in ch.get('chart', {}).get('dependencies', []):
self.tag_cloned_repo(dep, repos)
def tag_cloned_repo(self, ch, repos):
chart = ch.get('chart', {})
chart_source = chart.get('source', {})
location = chart_source.get('location')
ct_type = chart_source.get('type')
subpath = chart_source.get('subpath', '.')
if ct_type == 'local':
chart['source_dir'] = (location, subpath)
elif ct_type == 'tar':
LOG.info('Downloading tarball from: %s', location)
if not CONF.certs:
LOG.warn('Disabling server validation certs to extract charts')
tarball_dir = source.get_tarball(location, verify=False)
else:
tarball_dir = source.get_tarball(location, verify=CONF.cert)
chart['source_dir'] = (tarball_dir, subpath)
elif ct_type == 'git':
reference = chart_source.get('reference', 'master')
repo_branch = (location, reference)
if repo_branch not in repos:
auth_method = chart_source.get('auth_method')
proxy_server = chart_source.get('proxy_server')
logstr = 'Cloning repo: {} from branch: {}'.format(
*repo_branch)
if proxy_server:
logstr += ' proxy: {}'.format(proxy_server)
if auth_method:
logstr += ' auth method: {}'.format(auth_method)
LOG.info(logstr)
repo_dir = source.git_clone(*repo_branch,
proxy_server=proxy_server,
auth_method=auth_method)
self.cloned_dirs.add(repo_dir)
repos[repo_branch] = repo_dir
chart['source_dir'] = (repo_dir, subpath)
else:
chart['source_dir'] = (repos.get(repo_branch), subpath)
else:
chart_name = chart.get('chart_name')
raise source_exceptions.ChartSourceException(ct_type, chart_name)
def _get_releases_by_status(self):
'''
Return a list of current releases with DEPLOYED or FAILED status
'''
deployed_releases = []
failed_releases = []
known_releases = self.tiller.list_charts()
for release in known_releases:
if release[4] == const.STATUS_DEPLOYED:
deployed_releases.append(release)
elif release[4] == const.STATUS_FAILED:
failed_releases.append(release)
else:
# tiller.list_charts() only looks at DEPLOYED/FAILED so
# this should be unreachable
LOG.debug('Ignoring release %s in status %s.', release[0],
release[4])
return deployed_releases, failed_releases
def sync(self):
'''
Synchronize Helm with the Armada Config(s)
'''
if self.dry_run:
LOG.info('Armada is in DRY RUN mode, no changes being made.')
msg = {
'install': [],
'upgrade': [],
'diff': [],
'purge': [],
'protected': []
}
# TODO: (gardlt) we need to break up this func into
# a more cleaner format
self.pre_flight_ops()
# extract known charts on tiller right now
deployed_releases, failed_releases = self._get_releases_by_status()
manifest_data = self.manifest.get(const.KEYWORD_ARMADA, {})
prefix = manifest_data.get(const.KEYWORD_PREFIX)
for chartgroup in manifest_data.get(const.KEYWORD_GROUPS, []):
cg_name = chartgroup.get('name', '<missing name>')
cg_desc = chartgroup.get('description', '<missing description>')
cg_sequenced = chartgroup.get('sequenced', False)
LOG.info('Processing ChartGroup: %s (%s), sequenced=%s', cg_name,
cg_desc, cg_sequenced)
# TODO(MarshM): Deprecate the `test_charts` key
cg_test_all_charts = chartgroup.get('test_charts')
if isinstance(cg_test_all_charts, bool):
LOG.warn('The ChartGroup `test_charts` key is deprecated, '
'and support for this will be removed. See the '
'Chart `test` key for more information.')
else:
# This key defaults to True. Individual charts must
# explicitly disable helm tests if they choose
cg_test_all_charts = True
ns_label_set = set()
tests_to_run = []
cg_charts = chartgroup.get(const.KEYWORD_CHARTS, [])
# Track largest Chart timeout to stop the ChartGroup at the end
cg_max_timeout = 0
for chart_entry in cg_charts:
chart = chart_entry.get('chart', {})
namespace = chart.get('namespace')
release = chart.get('release')
release_name = release_prefixer(prefix, release)
LOG.info('Processing Chart, release=%s', release_name)
values = chart.get('values', {})
pre_actions = {}
post_actions = {}
protected = chart.get('protected', {})
p_continue = protected.get('continue_processing', False)
# Check for existing FAILED release, and purge
if release_name in [rel[0] for rel in failed_releases]:
LOG.info('Purging FAILED release %s before deployment.',
release_name)
if protected:
if p_continue:
LOG.warn(
'Release %s is `protected`, '
'continue_processing=True. Operator must '
'handle FAILED release manually.',
release_name)
msg['protected'].append(release_name)
continue
else:
LOG.error(
'Release %s is `protected`, '
'continue_processing=False.', release_name)
raise armada_exceptions.ProtectedReleaseException(
release_name)
else:
# Purge the release
self.tiller.uninstall_release(release_name)
msg['purge'].append(release_name)
# NOTE(MarshM): Calculating `wait_timeout` is unfortunately
# overly complex. The order of precedence is currently:
# 1) User provided override via API/CLI (default 0 if not
# provided by client/user).
# 2) Chart's `data.wait.timeout`, or...
# 3) Chart's `data.timeout` (deprecated).
# 4) const.DEFAULT_CHART_TIMEOUT, if nothing is ever
# specified, for use in waiting for final ChartGroup
# health and helm tests, but ignored for the actual
# install/upgrade of the Chart.
# NOTE(MarshM): Not defining a timeout has a side effect of
# allowing Armada to install charts with a circular
# dependency defined between components.
# TODO(MarshM): Deprecated, remove the following block
deprecated_timeout = chart.get('timeout', None)
if isinstance(deprecated_timeout, int):
LOG.warn('The `timeout` key is deprecated and support '
'for this will be removed soon. Use '
'`wait.timeout` instead.')
wait_values = chart.get('wait', {})
wait_labels = wait_values.get('labels', {})
wait_timeout = self.timeout
if wait_timeout <= 0:
wait_timeout = wait_values.get('timeout', wait_timeout)
# TODO(MarshM): Deprecated, remove the following check
if wait_timeout <= 0:
wait_timeout = deprecated_timeout or wait_timeout
# Determine wait logic
# NOTE(Dan Kim): Conditions to wait are below :
# 1) set sequenced=True in chart group
# 2) set force_wait param
# 3) add Chart's `data.wait.timeout`
# --timeout param will do not set wait=True, it just change
# max timeout of chart's deployment. (default: 900)
this_chart_should_wait = (cg_sequenced or self.force_wait
or (bool(wait_values) and
(wait_timeout > 0)))
# If there is still no timeout, we need to use a default
# (item 4 in note above)
if wait_timeout <= 0:
LOG.warn('No Chart timeout specified, using default: %ss',
const.DEFAULT_CHART_TIMEOUT)
wait_timeout = const.DEFAULT_CHART_TIMEOUT
# Naively take largest timeout to apply at end
# TODO(MarshM) better handling of timeout/timer
cg_max_timeout = max(wait_timeout, cg_max_timeout)
test_chart_override = chart.get('test')
# Use old default value when not using newer `test` key
test_cleanup = True
if test_chart_override is None:
test_this_chart = cg_test_all_charts
elif isinstance(test_chart_override, bool):
LOG.warn('Boolean value for chart `test` key is'
' deprecated and support for this will'
' be removed. Use `test.enabled` '
'instead.')
test_this_chart = test_chart_override
else:
# NOTE: helm tests are enabled by default
test_this_chart = test_chart_override.get('enabled', True)
test_cleanup = test_chart_override.get('options', {}).get(
'cleanup', False)
chartbuilder = ChartBuilder(chart)
new_chart = chartbuilder.get_helm_chart()
# Begin Chart timeout deadline
deadline = time.time() + wait_timeout
# TODO(mark-burnett): It may be more robust to directly call
# tiller status to decide whether to install/upgrade rather
# than checking for list membership.
if release_name in [rel[0] for rel in deployed_releases]:
# indicate to the end user what path we are taking
LOG.info("Upgrading release %s in namespace %s",
release_name, namespace)
# extract the installed chart and installed values from the
# latest release so we can compare to the intended state
old_chart, old_values_string = self.find_release_chart(
deployed_releases, release_name)
upgrade = chart.get('upgrade', {})
disable_hooks = upgrade.get('no_hooks', False)
force = upgrade.get('force', False)
recreate_pods = upgrade.get('recreate_pods', False)
LOG.info("Checking Pre/Post Actions")
if upgrade:
upgrade_pre = upgrade.get('pre', {})
upgrade_post = upgrade.get('post', {})
if not self.disable_update_pre and upgrade_pre:
pre_actions = upgrade_pre
if not self.disable_update_post and upgrade_post:
post_actions = upgrade_post
try:
old_values = yaml.safe_load(old_values_string)
except yaml.YAMLError:
chart_desc = '{} (previously deployed)'.format(
old_chart.metadata.name)
raise armada_exceptions.\
InvalidOverrideValuesYamlException(chart_desc)
LOG.info('Checking for updates to chart release inputs.')
diff = self.get_diff(old_chart, old_values, new_chart,
values)
if not diff:
LOG.info("Found no updates to chart release inputs")
continue
LOG.info("Found updates to chart release inputs")
LOG.debug("%s", diff)
msg['diff'].append({chart['release']: str(diff)})
# TODO(MarshM): Add tiller dry-run before upgrade and
# consider deadline impacts
# do actual update
timer = int(round(deadline - time.time()))
LOG.info('Beginning Upgrade, wait=%s, timeout=%ss',
this_chart_should_wait, timer)
tiller_result = self.tiller.update_release(
new_chart,
release_name,
namespace,
pre_actions=pre_actions,
post_actions=post_actions,
disable_hooks=disable_hooks,
values=yaml.safe_dump(values),
wait=this_chart_should_wait,
timeout=timer,
force=force,
recreate_pods=recreate_pods)
if this_chart_should_wait:
self._wait_until_ready(release_name, wait_labels,
namespace, timer)
# Track namespace+labels touched by upgrade
ns_label_set.add((namespace, tuple(wait_labels.items())))
LOG.info('Upgrade completed with results from Tiller: %s',
tiller_result.__dict__)
msg['upgrade'].append(release_name)
# process install
else:
LOG.info("Installing release %s in namespace %s",
release_name, namespace)
timer = int(round(deadline - time.time()))
LOG.info('Beginning Install, wait=%s, timeout=%ss',
this_chart_should_wait, timer)
tiller_result = self.tiller.install_release(
new_chart,
release_name,
namespace,
values=yaml.safe_dump(values),
wait=this_chart_should_wait,
timeout=timer)
if this_chart_should_wait:
self._wait_until_ready(release_name, wait_labels,
namespace, timer)
# Track namespace+labels touched by install
ns_label_set.add((namespace, tuple(wait_labels.items())))
LOG.info('Install completed with results from Tiller: %s',
tiller_result.__dict__)
msg['install'].append(release_name)
# Keeping track of time remaining
timer = int(round(deadline - time.time()))
test_chart_args = (release_name, timer, test_cleanup)
if test_this_chart:
# Sequenced ChartGroup should run tests after each Chart
if cg_sequenced:
LOG.info(
'Running sequenced test, timeout remaining: '
'%ss.', timer)
self._test_chart(*test_chart_args)
# Un-sequenced ChartGroup should run tests at the end
else:
tests_to_run.append(
functools.partial(self._test_chart,
*test_chart_args))
# End of Charts in ChartGroup
LOG.info('All Charts applied in ChartGroup %s.', cg_name)
# After all Charts are applied, we should wait for the entire
# ChartGroup to become healthy by looking at the namespaces seen
# TODO(MarshM): Need to determine a better timeout
# (not cg_max_timeout)
if cg_max_timeout <= 0:
cg_max_timeout = const.DEFAULT_CHART_TIMEOUT
deadline = time.time() + cg_max_timeout
for (ns, labels) in ns_label_set:
labels_dict = dict(labels)
timer = int(round(deadline - time.time()))
LOG.info(
'Final ChartGroup wait for healthy namespace=%s, '
'labels=(%s), timeout remaining: %ss.', ns, labels_dict,
timer)
if timer <= 0:
reason = ('Timeout expired waiting on namespace: %s, '
'labels: (%s)' % (ns, labels_dict))
LOG.error(reason)
raise armada_exceptions.ArmadaTimeoutException(reason)
self._wait_until_ready(release_name=None,
wait_labels=labels_dict,
namespace=ns,
timeout=timer)
# After entire ChartGroup is healthy, run any pending tests
for callback in tests_to_run:
callback()
self.post_flight_ops()
if self.enable_chart_cleanup:
self._chart_cleanup(
prefix,
self.manifest[const.KEYWORD_ARMADA][const.KEYWORD_GROUPS], msg)
LOG.info('Done applying manifest.')
return msg
def post_flight_ops(self):
'''
Operations to run after deployment process has terminated
'''
LOG.info("Performing post-flight operations.")
# Delete temp dirs used for deployment
for cloned_dir in self.cloned_dirs:
LOG.debug('Removing cloned temp directory: %s', cloned_dir)
source.source_cleanup(cloned_dir)
def _wait_until_ready(self, release_name, wait_labels, namespace, timeout):
if self.dry_run:
LOG.info(
'Skipping wait during `dry-run`, would have waited on '
'namespace=%s, labels=(%s) for %ss.', namespace, wait_labels,
timeout)
return
self.tiller.k8s.wait_until_ready(
release=release_name,
labels=wait_labels,
namespace=namespace,
k8s_wait_attempts=self.k8s_wait_attempts,
k8s_wait_attempt_sleep=self.k8s_wait_attempt_sleep,
timeout=timeout)
def _test_chart(self, release_name, timeout, cleanup):
if self.dry_run:
LOG.info(
'Skipping test during `dry-run`, would have tested '
'release=%s with timeout %ss.', release_name, timeout)
return True
if timeout <= 0:
reason = ('Timeout expired before testing '
'release %s' % release_name)
LOG.error(reason)
raise armada_exceptions.ArmadaTimeoutException(reason)
success = test_release_for_success(self.tiller,
release_name,
timeout=timeout,
cleanup=cleanup)
if success:
LOG.info("Test passed for release: %s", release_name)
else:
LOG.info("Test failed for release: %s", release_name)
raise tiller_exceptions.TestFailedException(release_name)
def _chart_cleanup(self, prefix, charts, msg):
LOG.info('Processing chart cleanup to remove unspecified releases.')
valid_releases = []
for gchart in charts:
for chart in gchart.get(const.KEYWORD_CHARTS, []):
valid_releases.append(
release_prefixer(prefix,
chart.get('chart', {}).get('release')))
actual_releases = [x.name for x in self.tiller.list_releases()]
release_diff = list(set(actual_releases) - set(valid_releases))
for release in release_diff:
if release.startswith(prefix):
LOG.info('Purging release %s as part of chart cleanup.',
release)
self.tiller.uninstall_release(release)
msg['purge'].append(release)
def get_diff(self, old_chart, old_values, new_chart, values):
return ReleaseDiff(old_chart, old_values, new_chart, values).get_diff()