def _do_test(mock_test, mock_chartbuilder, mock_pre_flight,
mock_post_flight):
# Instantiate Armada object.
yaml_documents = list(yaml.safe_load_all(TEST_YAML))
m_tiller = mock.MagicMock()
m_tiller.list_releases.return_value = known_releases
armada_obj = armada.Armada(yaml_documents, m_tiller)
armada_obj.chart_deploy.get_diff = mock.Mock()
chart_group = armada_obj.manifest['armada']['chart_groups'][0]
charts = chart_group['chart_group']
cg_test_all_charts = chart_group.get('test_charts')
mock_test_release = mock_test.return_value.test_release_for_success
if test_failure_to_run:
def fail(tiller, release, timeout=None, cleanup=False):
status = AttrDict(
**{'info': AttrDict(**{'Description': 'Failed'})})
raise tiller_exceptions.ReleaseException(
release, status, 'Test')
mock_test_release.side_effect = fail
else:
mock_test_release.return_value = test_success
# Stub out irrelevant methods called by `armada.sync()`.
mock_chartbuilder.get_source_path.return_value = None
mock_chartbuilder.get_helm_chart.return_value = None
# Simulate chart diff, upgrade should only happen if non-empty.
armada_obj.chart_deploy.get_diff.return_value = diff
armada_obj.sync()
expected_install_release_calls = []
expected_update_release_calls = []
expected_uninstall_release_calls = []
expected_test_constructor_calls = []
for c in charts:
chart = c['chart']
release = chart['release']
prefix = armada_obj.manifest['armada']['release_prefix']
release_name = release_prefixer(prefix, release)
# Simplified check because the actual code uses logical-or's
# multiple conditions, so this is enough.
native_wait_enabled = (chart['wait'].get('native', {}).get(
'enabled', True))
if release_name not in [x.name for x in known_releases]:
expected_install_release_calls.append(
mock.call(
mock_chartbuilder().get_helm_chart(),
"{}-{}".format(
armada_obj.manifest['armada']
['release_prefix'], chart['release']),
chart['namespace'],
values=yaml.safe_dump(chart['values']),
wait=native_wait_enabled,
timeout=mock.ANY))
else:
target_release = None
for known_release in known_releases:
if known_release.name == release_name:
target_release = known_release
break
if target_release:
status = get_release_status(target_release)
if status == const.STATUS_FAILED:
protected = chart.get('protected', {})
if not protected:
expected_uninstall_release_calls.append(
mock.call(release_name))
expected_install_release_calls.append(
mock.call(
mock_chartbuilder().get_helm_chart(),
"{}-{}".format(
armada_obj.manifest['armada']
['release_prefix'],
chart['release']),
chart['namespace'],
values=yaml.safe_dump(chart['values']),
wait=native_wait_enabled,
timeout=mock.ANY))
else:
p_continue = protected.get(
'continue_processing', False)
if p_continue:
continue
else:
if chart_group['sequenced']:
break
if status == const.STATUS_DEPLOYED:
if diff:
upgrade = chart.get('upgrade', {})
disable_hooks = upgrade.get('no_hooks', False)
force = upgrade.get('force', False)
recreate_pods = upgrade.get(
'recreate_pods', False)
expected_update_release_calls.append(
mock.call(
mock_chartbuilder().get_helm_chart(),
"{}-{}".format(
armada_obj.manifest['armada']
['release_prefix'],
chart['release']),
chart['namespace'],
pre_actions={},
post_actions={},
disable_hooks=disable_hooks,
force=force,
recreate_pods=recreate_pods,
values=yaml.safe_dump(chart['values']),
wait=native_wait_enabled,
timeout=mock.ANY))
test_chart_override = chart.get('test')
expected_test_constructor_calls.append(
mock.call(
release_name,
m_tiller,
cg_test_charts=cg_test_all_charts,
test_values=test_chart_override))
any_order = not chart_group['sequenced']
# Verify that at least 1 release is either installed or updated.
self.assertTrue(
len(expected_install_release_calls) >= 1 or
len(expected_update_release_calls) >= 1)
# Verify that the expected number of non-deployed releases are
# installed with expected arguments.
self.assertEqual(
len(expected_install_release_calls),
m_tiller.install_release.call_count)
m_tiller.install_release.assert_has_calls(
expected_install_release_calls, any_order=any_order)
# Verify that the expected number of deployed releases are
# updated with expected arguments.
self.assertEqual(
len(expected_update_release_calls),
m_tiller.update_release.call_count)
m_tiller.update_release.assert_has_calls(
expected_update_release_calls, any_order=any_order)
# Verify that the expected number of deployed releases are
# uninstalled with expected arguments.
self.assertEqual(
len(expected_uninstall_release_calls),
m_tiller.uninstall_release.call_count)
m_tiller.uninstall_release.assert_has_calls(
expected_uninstall_release_calls, any_order=any_order)
# Verify that the expected number of deployed releases are
# tested with expected arguments.
self.assertEqual(
len(expected_test_constructor_calls), mock_test.call_count)
mock_test.assert_has_calls(
expected_test_constructor_calls, any_order=True)
def list_releases(self):
'''
List Helm Releases
'''
# TODO(MarshM possibly combine list_releases() with list_charts()
# since they do the same thing, grouping output differently
stub = ReleaseServiceStub(self.channel)
# NOTE(seaneagan): Paging through releases to prevent hitting the
# maximum message size limit that tiller sets for it's reponses.
def get_results():
releases = []
done = False
next_release_expected = ""
initial_total = None
while not done:
req = ListReleasesRequest(offset=next_release_expected,
limit=LIST_RELEASES_PAGE_SIZE,
status_codes=const.STATUS_ALL)
LOG.debug('Tiller ListReleases() with timeout=%s, request=%s',
self.timeout, req)
response = stub.ListReleases(req,
self.timeout,
metadata=self.metadata)
found_message = False
for message in response:
found_message = True
page = message.releases
if initial_total:
if message.total != initial_total:
LOG.warning(
'Total releases changed between '
'pages from (%s) to (%s)', initial_total,
message.count)
raise ex.TillerListReleasesPagingException()
else:
initial_total = message.total
# Add page to results.
releases.extend(page)
if message.next:
next_release_expected = message.next
else:
done = True
# Ensure we break out was no message found which
# is seen if there are no releases in tiller.
if not found_message:
done = True
return releases
for index in range(LIST_RELEASES_ATTEMPTS):
attempt = index + 1
try:
releases = get_results()
except ex.TillerListReleasesPagingException:
LOG.warning('List releases paging failed on attempt %s/%s',
attempt, LIST_RELEASES_ATTEMPTS)
if attempt == LIST_RELEASES_ATTEMPTS:
raise
else:
# Filter out old releases, similar to helm cli:
# https://github.com/helm/helm/blob/1e26b5300b5166fabb90002535aacd2f9cc7d787/cmd/helm/list.go#L196
latest_versions = {}
for r in releases:
max = latest_versions.get(r.name)
if max is not None:
if max > r.version:
continue
latest_versions[r.name] = r.version
latest_releases = []
for r in releases:
if latest_versions[r.name] == r.version:
LOG.debug('Found release %s, version %s, status: %s',
r.name, r.version, get_release_status(r))
latest_releases.append(r)
return latest_releases
def execute(self, chart, cg_test_all_charts, prefix, known_releases):
namespace = chart.get('namespace')
release = chart.get('release')
release_name = r.release_prefixer(prefix, release)
LOG.info('Processing Chart, release=%s', release_name)
values = chart.get('values', {})
pre_actions = {}
post_actions = {}
result = {}
protected = chart.get('protected', {})
p_continue = protected.get('continue_processing', False)
old_release = self.find_chart_release(known_releases, release_name)
status = None
if old_release:
status = r.get_release_status(old_release)
if status not in [const.STATUS_FAILED, const.STATUS_DEPLOYED]:
raise armada_exceptions.UnexpectedReleaseStatusException(
release_name, status)
chart_wait = ChartWait(
self.tiller.k8s,
release_name,
chart,
namespace,
k8s_wait_attempts=self.k8s_wait_attempts,
k8s_wait_attempt_sleep=self.k8s_wait_attempt_sleep,
timeout=self.timeout)
native_wait_enabled = chart_wait.is_native_enabled()
# Begin Chart timeout deadline
deadline = time.time() + chart_wait.get_timeout()
chartbuilder = ChartBuilder(chart)
new_chart = chartbuilder.get_helm_chart()
# Check for existing FAILED release, and purge
if status == const.STATUS_FAILED:
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)
result['protected'] = release_name
return result
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)
result['purge'] = release_name
# 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 status == const.STATUS_DEPLOYED:
# indicate to the end user what path we are taking
LOG.info("Existing release %s found 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_release.chart
old_values_string = old_release.config.raw
upgrade = chart.get('upgrade', {})
disable_hooks = upgrade.get('no_hooks', False)
options = upgrade.get('options', {})
force = options.get('force', False)
recreate_pods = options.get('recreate_pods', False)
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:
LOG.warning('Post upgrade actions are ignored by Armada'
'and will not affect deployment.')
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")
else:
LOG.info("Found updates to chart release inputs")
LOG.debug("%s", diff)
result['diff'] = {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(
"Upgrading release %s in namespace %s, wait=%s, "
"timeout=%ss", release_name, namespace,
native_wait_enabled, 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=native_wait_enabled,
timeout=timer,
force=force,
recreate_pods=recreate_pods)
LOG.info('Upgrade completed with results from Tiller: %s',
tiller_result.__dict__)
result['upgrade'] = release_name
else:
timer = int(round(deadline - time.time()))
LOG.info(
"Installing release %s in namespace %s, wait=%s, "
"timeout=%ss", release_name, namespace, native_wait_enabled,
timer)
tiller_result = self.tiller.install_release(
new_chart,
release_name,
namespace,
values=yaml.safe_dump(values),
wait=native_wait_enabled,
timeout=timer)
LOG.info('Install completed with results from Tiller: %s',
tiller_result.__dict__)
result['install'] = release_name
# Wait
timer = int(round(deadline - time.time()))
chart_wait.wait(timer)
# Test
just_deployed = ('install' in result) or ('upgrade' in result)
last_test_passed = old_release and r.get_last_test_result(old_release)
test_values = chart.get('test')
test_handler = Test(release_name,
self.tiller,
cg_test_charts=cg_test_all_charts,
test_values=test_values)
run_test = test_handler.test_enabled and (just_deployed
or not last_test_passed)
if run_test:
timer = int(round(deadline - time.time()))
self._test_chart(release_name, timer, test_handler)
return result
def _do_test(mock_test, mock_chartbuilder, MockChartDownload,
mock_post_flight):
MockChartDownload.return_value.get_chart.side_effect = \
set_source_dir
# Instantiate Armada object.
yaml_documents = list(yaml.safe_load_all(TEST_YAML))
m_helm = mock.MagicMock()
armada_obj = armada.Armada(yaml_documents, m_helm)
prefix = armada_obj.manifest['data']['release_prefix']
def release_metadata(release_id, **kwargs):
try:
return next(r for r in known_releases
if release_id.name == r['name']
and release_id.namespace == r['namespace'])
except StopIteration:
return None
m_helm.release_metadata.side_effect = release_metadata
armada_obj.chart_deploy.get_diff = mock.Mock()
cg = armada_obj.manifest['data']['chart_groups'][0]
chart_group = cg['data']
charts = chart_group['chart_group']
cg_test_all_charts = chart_group.get('test_charts')
mock_test_release = mock_test.return_value.test_release
if test_failure_to_run:
mock_test_release.side_effect = Exception('test failed to run')
else:
if not test_success:
mock_test_release.side_effect = Exception('test failed')
mock_test.return_value.timeout = const.DEFAULT_TEST_TIMEOUT
# Stub out irrelevant methods called by `armada.sync()`.
mock_chartbuilder.get_helm_chart.return_value = None
# Simulate chart diff, upgrade should only happen if non-empty.
armada_obj.chart_deploy.get_diff.return_value = diff
armada_obj.sync()
expected_install_release_calls = []
expected_upgrade_release_calls = []
expected_uninstall_release_calls = []
expected_test_constructor_calls = []
for c in charts:
chart = c['data']
release = chart['release']
release_name = release_prefixer(prefix, release)
release_id = helm.HelmReleaseId(chart['namespace'],
release_name)
source_dir = chart['source_dir']
source_directory = os.path.join(*source_dir)
# Simplified check because the actual code uses logical-or's
# multiple conditions, so this is enough.
native_wait_enabled = (chart['wait'].get('native', {}).get(
'enabled', True))
if release_name not in [x['name'] for x in known_releases]:
expected_install_release_calls.append(
mock.call(source_directory,
release_id,
values=chart['values'],
wait=native_wait_enabled,
timeout=mock.ANY))
else:
target_release = None
for known_release in known_releases:
if known_release['name'] == release_name:
target_release = known_release
break
if target_release:
status = get_release_status(target_release)
if status == helm.STATUS_FAILED:
protected = chart.get('protected', {})
if not protected:
expected_uninstall_release_calls.append(
mock.call(
release_id,
purge=True,
timeout=const.DEFAULT_DELETE_TIMEOUT))
expected_install_release_calls.append(
mock.call(source_directory,
release_id,
values=chart['values'],
wait=native_wait_enabled,
timeout=mock.ANY))
else:
p_continue = protected.get(
'continue_processing', False)
if p_continue:
continue
else:
if chart_group['sequenced']:
break
if status == helm.STATUS_DEPLOYED:
if diff:
upgrade = chart.get('upgrade', {})
disable_hooks = upgrade.get('no_hooks', False)
options = upgrade.get('options', {})
force = options.get('force', False)
expected_upgrade_release_calls.append(
mock.call(source_directory,
release_id,
disable_hooks=disable_hooks,
force=force,
values=chart['values'],
wait=native_wait_enabled,
timeout=mock.ANY))
expected_test_constructor_calls.append(
mock.call(chart,
release_id,
m_helm,
cg_test_charts=cg_test_all_charts))
any_order = not chart_group['sequenced']
# Verify that at least 1 release is either installed or updated.
self.assertTrue(
len(expected_install_release_calls) >= 1
or len(expected_upgrade_release_calls) >= 1)
# Verify that the expected number of non-deployed releases are
# installed with expected arguments.
self.assertEqual(len(expected_install_release_calls),
m_helm.install_release.call_count)
m_helm.install_release.assert_has_calls(
expected_install_release_calls, any_order=any_order)
# Verify that the expected number of deployed releases are
# updated with expected arguments.
self.assertEqual(len(expected_upgrade_release_calls),
m_helm.upgrade_release.call_count)
m_helm.upgrade_release.assert_has_calls(
expected_upgrade_release_calls, any_order=any_order)
# Verify that the expected number of deployed releases are
# uninstalled with expected arguments.
self.assertEqual(len(expected_uninstall_release_calls),
m_helm.uninstall_release.call_count)
m_helm.uninstall_release.assert_has_calls(
expected_uninstall_release_calls, any_order=any_order)
# Verify that the expected number of deployed releases are
# tested with expected arguments.
self.assertEqual(len(expected_test_constructor_calls),
mock_test.call_count)
mock_test.assert_has_calls(expected_test_constructor_calls,
any_order=True)
def _execute(self, ch, cg_test_all_charts, prefix):
manifest_name = self.manifest['metadata']['name']
chart = ch[const.KEYWORD_DATA]
chart_name = ch['metadata']['name']
namespace = chart.get('namespace')
release = chart.get('release')
release_name = r.release_prefixer(prefix, release)
release_id = helm.HelmReleaseId(namespace, release_name)
source_dir = chart['source_dir']
source_directory = os.path.join(*source_dir)
LOG.info('Processing Chart, release=%s', release_id)
result = {}
chart_wait = ChartWait(
self.helm.k8s,
release_id,
ch,
k8s_wait_attempts=self.k8s_wait_attempts,
k8s_wait_attempt_sleep=self.k8s_wait_attempt_sleep,
timeout=self.timeout)
wait_timeout = chart_wait.get_timeout()
# Begin Chart timeout deadline
deadline = time.time() + wait_timeout
old_release = self.helm.release_metadata(release_id)
action = metrics.ChartDeployAction.NOOP
def noop():
pass
deploy = noop
# Resolve action
values = chart.get('values', {})
pre_actions = {}
status = None
if old_release:
status = r.get_release_status(old_release)
native_wait_enabled = chart_wait.is_native_enabled()
chartbuilder = ChartBuilder.from_chart_doc(ch, self.helm)
if status == helm.STATUS_DEPLOYED:
# indicate to the end user what path we are taking
LOG.info("Existing release %s found", release_id)
# extract the installed chart and installed values from the
# latest release so we can compare to the intended state
old_chart = old_release['chart']
old_values = old_release.get('config', {})
upgrade = chart.get('upgrade', {})
options = upgrade.get('options', {})
# TODO: Remove when v1 doc support is removed.
schema_info = get_schema_info(ch['schema'])
if schema_info.version < 2:
no_hooks_location = upgrade
else:
no_hooks_location = options
disable_hooks = no_hooks_location.get('no_hooks', False)
force = options.get('force', False)
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:
LOG.warning('Post upgrade actions are ignored by Armada'
'and will not affect deployment.')
LOG.info('Checking for updates to chart release inputs.')
new_chart = chartbuilder.get_helm_chart(release_id, values)
diff = self.get_diff(old_chart, old_values, new_chart, values)
if not diff:
LOG.info("Found no updates to chart release inputs")
else:
action = metrics.ChartDeployAction.UPGRADE
LOG.info("Found updates to chart release inputs")
def upgrade():
# do actual update
timer = int(round(deadline - time.time()))
PreUpdateActions(self.helm.k8s).execute(
pre_actions, release, namespace, chart, disable_hooks,
values, timer)
LOG.info("Upgrading release=%s, wait=%s, "
"timeout=%ss", release_id, native_wait_enabled,
timer)
self.helm.upgrade_release(source_directory,
release_id,
disable_hooks=disable_hooks,
values=values,
wait=native_wait_enabled,
timeout=timer,
force=force)
LOG.info('Upgrade completed')
result['upgrade'] = release_id
deploy = upgrade
else:
def install():
timer = int(round(deadline - time.time()))
LOG.info("Installing release=%s, wait=%s, "
"timeout=%ss", release_id, native_wait_enabled, timer)
self.helm.install_release(source_directory,
release_id,
values=values,
wait=native_wait_enabled,
timeout=timer)
LOG.info('Install completed')
result['install'] = release_id
# Check for release with status other than DEPLOYED
if status:
if status != helm.STATUS_FAILED:
LOG.warn(
'Unexpected release status encountered '
'release=%s, status=%s', release_id, status)
# Make best effort to determine whether a deployment is
# likely pending, by checking if the last deployment
# was started within the timeout window of the chart.
last_deployment_age = r.get_last_deployment_age(
old_release)
likely_pending = last_deployment_age <= wait_timeout
if likely_pending:
# We don't take any deploy action and wait for the
# to get deployed.
deploy = noop
deadline = deadline - last_deployment_age
else:
# Release is likely stuck in an unintended
# state. Log and continue on with remediation steps
# below.
LOG.info(
'Old release %s likely stuck in status %s, '
'(last deployment age=%ss) >= '
'(chart wait timeout=%ss)', release, status,
last_deployment_age, wait_timeout)
res = self.purge_release(chart, release_id, status,
manifest_name, chart_name,
result)
if isinstance(res, dict):
if 'protected' in res:
return res
action = metrics.ChartDeployAction.INSTALL
deploy = install
else:
# The chart is in Failed state, hence we purge
# the chart and attempt to install it again.
res = self.purge_release(chart, release_id, status,
manifest_name, chart_name, result)
if isinstance(res, dict):
if 'protected' in res:
return res
action = metrics.ChartDeployAction.INSTALL
deploy = install
if status is None:
action = metrics.ChartDeployAction.INSTALL
deploy = install
# Deploy
with metrics.CHART_DEPLOY.get_context(wait_timeout, manifest_name,
chart_name,
action.get_label_value()):
deploy()
# Wait
timer = int(round(deadline - time.time()))
chart_wait.wait(timer)
# Test
just_deployed = ('install' in result) or ('upgrade' in result)
last_test_passed = old_release and r.get_last_test_result(old_release)
test_handler = Test(chart,
release_id,
self.helm,
cg_test_charts=cg_test_all_charts)
run_test = test_handler.test_enabled and (just_deployed
or not last_test_passed)
if run_test:
with metrics.CHART_TEST.get_context(test_handler.timeout,
manifest_name, chart_name):
self._test_chart(test_handler)
return result
def _execute(self, ch, cg_test_all_charts, prefix, known_releases):
manifest_name = self.manifest['metadata']['name']
chart = ch[const.KEYWORD_DATA]
chart_name = ch['metadata']['name']
namespace = chart.get('namespace')
release = chart.get('release')
release_name = r.release_prefixer(prefix, release)
LOG.info('Processing Chart, release=%s', release_name)
result = {}
chart_wait = ChartWait(
self.tiller.k8s,
release_name,
ch,
namespace,
k8s_wait_attempts=self.k8s_wait_attempts,
k8s_wait_attempt_sleep=self.k8s_wait_attempt_sleep,
timeout=self.timeout)
wait_timeout = chart_wait.get_timeout()
# Begin Chart timeout deadline
deadline = time.time() + wait_timeout
old_release = self.find_chart_release(known_releases, release_name)
action = metrics.ChartDeployAction.NOOP
def noop():
pass
deploy = noop
# Resolve action
values = chart.get('values', {})
pre_actions = {}
post_actions = {}
status = None
if old_release:
status = r.get_release_status(old_release)
native_wait_enabled = chart_wait.is_native_enabled()
chartbuilder = ChartBuilder.from_chart_doc(ch)
new_chart = chartbuilder.get_helm_chart()
if status == const.STATUS_DEPLOYED:
# indicate to the end user what path we are taking
LOG.info("Existing release %s found 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_release.chart
old_values_string = old_release.config.raw
upgrade = chart.get('upgrade', {})
options = upgrade.get('options', {})
# TODO: Remove when v1 doc support is removed.
schema_info = get_schema_info(ch['schema'])
if schema_info.version < 2:
no_hooks_location = upgrade
else:
no_hooks_location = options
disable_hooks = no_hooks_location.get('no_hooks', False)
force = options.get('force', False)
recreate_pods = options.get('recreate_pods', False)
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:
LOG.warning('Post upgrade actions are ignored by Armada'
'and will not affect deployment.')
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")
else:
action = metrics.ChartDeployAction.UPGRADE
LOG.info("Found updates to chart release inputs")
LOG.debug("%s", diff)
result['diff'] = {chart['release']: str(diff)}
def upgrade():
# do actual update
timer = int(round(deadline - time.time()))
LOG.info(
"Upgrading release %s in namespace %s, wait=%s, "
"timeout=%ss", release_name, namespace,
native_wait_enabled, 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=native_wait_enabled,
timeout=timer,
force=force,
recreate_pods=recreate_pods)
LOG.info('Upgrade completed with results from Tiller: %s',
tiller_result.__dict__)
result['upgrade'] = release_name
deploy = upgrade
else:
# Check for release with status other than DEPLOYED
if status:
if status != const.STATUS_FAILED:
LOG.warn(
'Unexpected release status encountered '
'release=%s, status=%s', release_name, status)
# Make best effort to determine whether a deployment is
# likely pending, by checking if the last deployment
# was started within the timeout window of the chart.
last_deployment_age = r.get_last_deployment_age(
old_release)
likely_pending = last_deployment_age <= wait_timeout
if likely_pending:
# Give up if a deployment is likely pending, we do not
# want to have multiple operations going on for the
# same release at the same time.
raise armada_exceptions.\
DeploymentLikelyPendingException(
release_name, status, last_deployment_age,
wait_timeout)
else:
# Release is likely stuck in an unintended (by tiller)
# state. Log and continue on with remediation steps
# below.
LOG.info(
'Old release %s likely stuck in status %s, '
'(last deployment age=%ss) >= '
'(chart wait timeout=%ss)', release, status,
last_deployment_age, wait_timeout)
protected = chart.get('protected', {})
if protected:
p_continue = protected.get('continue_processing', False)
if p_continue:
LOG.warn(
'Release %s is `protected`, '
'continue_processing=True. Operator must '
'handle %s release manually.', release_name,
status)
result['protected'] = release_name
return result
else:
LOG.error(
'Release %s is `protected`, '
'continue_processing=False.', release_name)
raise armada_exceptions.ProtectedReleaseException(
release_name, status)
else:
# Purge the release
with metrics.CHART_DELETE.get_context(
manifest_name, chart_name):
LOG.info('Purging release %s with status %s',
release_name, status)
chart_delete = ChartDelete(chart, release_name,
self.tiller)
chart_delete.delete()
result['purge'] = release_name
action = metrics.ChartDeployAction.INSTALL
def install():
timer = int(round(deadline - time.time()))
LOG.info(
"Installing release %s in namespace %s, wait=%s, "
"timeout=%ss", release_name, namespace,
native_wait_enabled, timer)
tiller_result = self.tiller.install_release(
new_chart,
release_name,
namespace,
values=yaml.safe_dump(values),
wait=native_wait_enabled,
timeout=timer)
LOG.info('Install completed with results from Tiller: %s',
tiller_result.__dict__)
result['install'] = release_name
deploy = install
# Deploy
with metrics.CHART_DEPLOY.get_context(wait_timeout, manifest_name,
chart_name,
action.get_label_value()):
deploy()
# Wait
timer = int(round(deadline - time.time()))
chart_wait.wait(timer)
# Test
just_deployed = ('install' in result) or ('upgrade' in result)
last_test_passed = old_release and r.get_last_test_result(old_release)
test_handler = Test(chart,
release_name,
self.tiller,
cg_test_charts=cg_test_all_charts)
run_test = test_handler.test_enabled and (just_deployed
or not last_test_passed)
if run_test:
with metrics.CHART_TEST.get_context(test_handler.timeout,
manifest_name, chart_name):
self._test_chart(release_name, test_handler)
return result
