class Armada(object):
'''
This is the main Armada class handling the Armada
workflows
'''
def __init__(self,
file,
disable_update_pre=False,
disable_update_post=False,
enable_chart_cleanup=False,
dry_run=False,
set_ovr=None,
wait=False,
timeout=DEFAULT_TIMEOUT,
tiller_host=None,
tiller_port=44134,
values=None):
'''
Initialize the Armada Engine and establish
a connection to Tiller
'''
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.overrides = set_ovr
self.wait = wait
self.timeout = timeout
self.tiller = Tiller(tiller_host=tiller_host, tiller_port=tiller_port)
self.values = values
self.documents = file
self.config = None
def get_armada_manifest(self):
return Manifest(self.documents).get_manifest()
def find_release_chart(self, known_releases, name):
'''
Find a release given a list of known_releases and a release name
'''
for chart_name, _, chart, values, _ in known_releases:
if chart_name == name:
return chart, values
def pre_flight_ops(self):
'''
Perform a series of checks and operations to ensure proper deployment
'''
# Ensure tiller is available and manifest is valid
if not self.tiller.tiller_status():
raise tiller_exceptions.TillerServicesUnavailableException()
if not lint.validate_armada_documents(self.documents):
raise lint_exceptions.InvalidManifestException()
# Override manifest values if --set flag is used
if self.overrides or self.values:
self.documents = Override(self.documents,
overrides=self.overrides,
values=self.values).update_manifests()
# Get config and validate
self.config = self.get_armada_manifest()
if not lint.validate_armada_object(self.config):
raise lint_exceptions.InvalidArmadaObjectException()
# Purge known releases that have failed and are in the current yaml
prefix = self.config.get(const.KEYWORD_ARMADA).get(
const.KEYWORD_PREFIX)
failed_releases = self.get_releases_by_status(const.STATUS_FAILED)
for release in failed_releases:
for group in self.config.get(const.KEYWORD_ARMADA).get(
const.KEYWORD_GROUPS):
for ch in group.get(const.KEYWORD_CHARTS):
ch_release_name = release_prefix(
prefix,
ch.get('chart').get('chart_name'))
if release[0] == ch_release_name:
LOG.info(
'Purging failed release %s '
'before deployment', release[0])
self.tiller.uninstall_release(release[0])
# Clone the chart sources
#
# We only support a git source type right now, which can also
# handle git:// local paths as well
repos = {}
for group in self.config.get(const.KEYWORD_ARMADA).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):
location = ch.get('chart').get('source').get('location')
ct_type = ch.get('chart').get('source').get('type')
subpath = ch.get('chart').get('source').get('subpath', '.')
if ct_type == 'local':
ch.get('chart')['source_dir'] = (location, subpath)
elif ct_type == 'tar':
LOG.info('Downloading tarball from: %s', location)
tarball_dir = source.get_tarball(location)
ch.get('chart')['source_dir'] = (tarball_dir, subpath)
elif ct_type == 'git':
reference = ch.get('chart').get('source').get(
'reference', 'master')
repo_branch = (location, reference)
if repo_branch not in repos:
try:
LOG.info('Cloning repo: %s branch: %s', *repo_branch)
repo_dir = source.git_clone(*repo_branch)
except Exception:
raise source_exceptions.GitLocationException(
'{} reference: {}'.format(*repo_branch))
repos[repo_branch] = repo_dir
ch.get('chart')['source_dir'] = (repo_dir, subpath)
else:
ch.get('chart')['source_dir'] = (repos.get(repo_branch),
subpath)
else:
chart_name = ch.get('chart').get('chart_name')
raise source_exceptions.ChartSourceException(ct_type, chart_name)
def get_releases_by_status(self, status):
'''
:params status - status string to filter releases on
Return a list of current releases with a specified status
'''
filtered_releases = []
known_releases = self.tiller.list_charts()
for release in known_releases:
if release[4] == status:
filtered_releases.append(release)
return filtered_releases
def sync(self):
'''
Syncronize Helm with the Armada Config(s)
'''
msg = {'install': [], 'upgrade': [], 'diff': []}
# TODO: (gardlt) we need to break up this func into
# a more cleaner format
LOG.info("Performing Pre-Flight Operations")
self.pre_flight_ops()
# extract known charts on tiller right now
known_releases = self.tiller.list_charts()
prefix = self.config.get(const.KEYWORD_ARMADA).get(
const.KEYWORD_PREFIX)
if known_releases is None:
raise armada_exceptions.KnownReleasesException()
for release in known_releases:
LOG.debug("Release %s, Version %s found on tiller", release[0],
release[1])
for entry in self.config[const.KEYWORD_ARMADA][const.KEYWORD_GROUPS]:
chart_wait = self.wait
desc = entry.get('description', 'A Chart Group')
chart_group = entry.get(const.KEYWORD_CHARTS, [])
test_charts = entry.get('test_charts', False)
if entry.get('sequenced', False) or test_charts:
chart_wait = True
LOG.info('Deploying: %s', desc)
for gchart in chart_group:
chart = dotify(gchart['chart'])
values = gchart.get('chart').get('values', {})
wait_values = gchart.get('chart').get('wait', {})
test_chart = gchart.get('chart').get('test', False)
pre_actions = {}
post_actions = {}
if chart.release is None:
continue
if test_chart:
chart_wait = True
# retrieve appropriate timeout value if 'wait' is specified
chart_timeout = self.timeout
if chart_wait:
if chart_timeout == DEFAULT_TIMEOUT:
chart_timeout = getattr(chart, 'timeout',
chart_timeout)
chartbuilder = ChartBuilder(chart)
protoc_chart = chartbuilder.get_helm_chart()
# determine install or upgrade by examining known releases
LOG.debug("RELEASE: %s", chart.release)
deployed_releases = [x[0] for x in known_releases]
prefix_chart = release_prefix(prefix, chart.release)
if prefix_chart in deployed_releases:
# indicate to the end user what path we are taking
LOG.info("Upgrading release %s", chart.release)
# extract the installed chart and installed values from the
# latest release so we can compare to the intended state
LOG.info("Checking Pre/Post Actions")
apply_chart, apply_values = self.find_release_chart(
known_releases, prefix_chart)
LOG.info("Checking Pre/Post Actions")
upgrade = gchart.get('chart', {}).get('upgrade', False)
if upgrade:
if not self.disable_update_pre and upgrade.get(
'pre', False):
pre_actions = getattr(chart.upgrade, 'pre', {})
if not self.disable_update_post and upgrade.get(
'post', False):
post_actions = getattr(chart.upgrade, 'post', {})
# show delta for both the chart templates and the chart
# values
# TODO(alanmeadows) account for .files differences
# once we support those
upgrade_diff = self.show_diff(chart, apply_chart,
apply_values,
chartbuilder.dump(), values,
msg)
if not upgrade_diff:
LOG.info("There are no updates found in this chart")
continue
# do actual update
LOG.info('wait: %s', chart_wait)
self.tiller.update_release(
protoc_chart,
prefix_chart,
chart.namespace,
pre_actions=pre_actions,
post_actions=post_actions,
dry_run=self.dry_run,
disable_hooks=chart.upgrade.no_hooks,
values=yaml.safe_dump(values),
wait=chart_wait,
timeout=chart_timeout)
if chart_wait:
# TODO(gardlt): after v0.7.1 depricate timeout values
if not wait_values.get('timeout', None):
wait_values['timeout'] = chart_timeout
self.tiller.k8s.wait_until_ready(
release=prefix_chart,
labels=wait_values.get('labels', ''),
namespace=chart.namespace,
timeout=wait_values.get('timeout',
DEFAULT_TIMEOUT))
msg['upgrade'].append(prefix_chart)
# process install
else:
LOG.info("Installing release %s", chart.release)
self.tiller.install_release(protoc_chart,
prefix_chart,
chart.namespace,
dry_run=self.dry_run,
values=yaml.safe_dump(values),
wait=chart_wait,
timeout=chart_timeout)
if chart_wait:
if not wait_values.get('timeout', None):
wait_values['timeout'] = chart_timeout
self.tiller.k8s.wait_until_ready(
release=prefix_chart,
labels=wait_values.get('labels', ''),
namespace=chart.namespace,
timeout=wait_values.get('timeout', 3600))
msg['install'].append(prefix_chart)
LOG.debug("Cleaning up chart source in %s",
chartbuilder.source_directory)
if test_charts or test_chart:
LOG.info('Testing: %s', prefix_chart)
resp = self.tiller.testing_release(prefix_chart)
test_status = getattr(resp.info.status,
'last_test_suite_run', 'FAILED')
LOG.info("Test INFO: %s", test_status)
if resp:
LOG.info("PASSED: %s", prefix_chart)
else:
LOG.info("FAILED: %s", prefix_chart)
self.tiller.k8s.wait_until_ready(timeout=chart_timeout)
LOG.info("Performing Post-Flight Operations")
self.post_flight_ops()
if self.enable_chart_cleanup:
self.tiller.chart_cleanup(
prefix,
self.config[const.KEYWORD_ARMADA][const.KEYWORD_GROUPS])
return msg
def post_flight_ops(self):
'''
Operations to run after deployment process has terminated
'''
# Delete temp dirs used for deployment
for group in self.config.get(const.KEYWORD_ARMADA).get(
const.KEYWORD_GROUPS):
for ch in group.get(const.KEYWORD_CHARTS):
if ch.get('chart').get('source').get('type') == 'git':
source.source_cleanup(ch.get('chart').get('source_dir')[0])
def show_diff(self, chart, installed_chart, installed_values, target_chart,
target_values, msg):
'''
Produce a unified diff of the installed chart vs our intention
TODO(alanmeadows): This needs to be rewritten to produce better
unified diff output and avoid the use of print
'''
source = str(installed_chart.SerializeToString()).split('\n')
chart_diff = list(
difflib.unified_diff(source,
str(target_chart).split('\n')))
if len(chart_diff) > 0:
LOG.info("Chart Unified Diff (%s)", chart.release)
diff_msg = []
for line in chart_diff:
diff_msg.append(line)
LOG.debug(line)
msg['diff'].append({'chart': diff_msg})
values_diff = list(
difflib.unified_diff(installed_values.split('\n'),
yaml.safe_dump(target_values).split('\n')))
if len(values_diff) > 0:
LOG.info("Values Unified Diff (%s)", chart.release)
diff_msg = []
for line in values_diff:
diff_msg.append(line)
LOG.debug(line)
msg['diff'].append({'values': diff_msg})
result = (len(chart_diff) > 0) or (len(values_diff) > 0)
return result
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
self.tiller = Tiller(tiller_host=tiller_host,
tiller_port=tiller_port,
tiller_namespace=tiller_namespace)
self.documents = Override(documents, overrides=set_ovr,
values=values).update_manifests()
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()
def find_release_chart(self, known_releases, name):
'''
Find a release given a list of known_releases and a release name
'''
for chart_name, _, chart, values, _ in known_releases:
if chart_name == 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()
valid, details = validate.validate_armada_documents(self.documents)
if details:
for msg in details:
if msg.get('error', False):
LOG.error(msg.get('message', 'Unknown validation error.'))
else:
LOG.debug(msg.get('message', 'Validation succeeded.'))
if not valid:
raise validate_exceptions.InvalidManifestException(
error_messages=details)
result, msg_list = validate.validate_armada_manifests(self.documents)
if not result:
raise validate_exceptions.InvalidArmadaObjectException(
details=','.join([m.get('message') for m in msg_list]))
# Purge known releases that have failed and are in the current yaml
manifest_data = self.manifest.get(KEYWORD_ARMADA, {})
prefix = manifest_data.get(KEYWORD_PREFIX, '')
failed_releases = self.get_releases_by_status(STATUS_FAILED)
for release in failed_releases:
for group in manifest_data.get(KEYWORD_GROUPS, []):
for ch in group.get(KEYWORD_CHARTS, []):
ch_release_name = release_prefix(
prefix,
ch.get('chart', {}).get('chart_name'))
if release[0] == ch_release_name:
LOG.info(
'Purging failed release %s '
'before deployment', release[0])
self.tiller.uninstall_release(release[0])
# Clone the chart sources
#
# We only support a git source type right now, which can also
# handle git:// local paths as well
repos = {}
for group in manifest_data.get(KEYWORD_GROUPS, []):
for ch in group.get(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)
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, status):
'''
:params status - status string to filter releases on
Return a list of current releases with a specified status
'''
filtered_releases = []
known_releases = self.tiller.list_charts()
for release in known_releases:
if release[4] == status:
filtered_releases.append(release)
return filtered_releases
def sync(self):
'''
Synchronize Helm with the Armada Config(s)
'''
msg = {'install': [], 'upgrade': [], 'diff': []}
# 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
known_releases = self.tiller.list_charts()
manifest_data = self.manifest.get(KEYWORD_ARMADA, {})
prefix = manifest_data.get(KEYWORD_PREFIX, '')
for chartgroup in manifest_data.get(KEYWORD_GROUPS, []):
cg_name = chartgroup.get('name', '<missing name>')
cg_desc = chartgroup.get('description', '<missing description>')
LOG.info('Processing ChartGroup: %s (%s)', cg_name, cg_desc)
cg_sequenced = chartgroup.get('sequenced', False)
cg_test_all_charts = chartgroup.get('test_charts', False)
namespaces_seen = set()
tests_to_run = []
cg_charts = chartgroup.get(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')
values = chart.get('values', {})
pre_actions = {}
post_actions = {}
wait_timeout = self.timeout
wait_labels = {}
release_name = release_prefix(prefix, release)
# Retrieve appropriate timeout value
if wait_timeout <= 0:
# TODO(MarshM): chart's `data.timeout` should be deprecated
chart_timeout = chart.get('timeout', 0)
# Favor data.wait.timeout over data.timeout, until removed
wait_values = chart.get('wait', {})
wait_timeout = wait_values.get('timeout', chart_timeout)
wait_labels = wait_values.get('labels', {})
this_chart_should_wait = (cg_sequenced or self.force_wait
or wait_timeout > 0
or len(wait_labels) > 0)
if this_chart_should_wait and wait_timeout <= 0:
LOG.warn('No Chart timeout specified, using default: %ss',
DEFAULT_CHART_TIMEOUT)
wait_timeout = DEFAULT_CHART_TIMEOUT
# Track namespaces + labels touched
namespaces_seen.add((namespace, tuple(wait_labels.items())))
# Naively take largest timeout to apply at end
# TODO(MarshM) better handling of timeout/timer
cg_max_timeout = max(wait_timeout, cg_max_timeout)
# Chart test policy can override ChartGroup, if specified
test_this_chart = chart.get('test', cg_test_all_charts)
chartbuilder = ChartBuilder(chart)
protoc_chart = chartbuilder.get_helm_chart()
deployed_releases = [x[0] for x in known_releases]
# 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 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
apply_chart, apply_values = self.find_release_chart(
known_releases, release_name)
upgrade = chart.get('upgrade', {})
disable_hooks = upgrade.get('no_hooks', 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
# Show delta for both the chart templates and the chart
# values
# TODO(alanmeadows) account for .files differences
# once we support those
LOG.info('Checking upgrade chart diffs.')
upgrade_diff = self.show_diff(chart, apply_chart,
apply_values,
chartbuilder.dump(), values,
msg)
if not upgrade_diff:
LOG.info("There are no updates found in this chart")
continue
# 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(
protoc_chart,
release_name,
namespace,
pre_actions=pre_actions,
post_actions=post_actions,
dry_run=self.dry_run,
disable_hooks=disable_hooks,
values=yaml.safe_dump(values),
wait=this_chart_should_wait,
timeout=timer)
if this_chart_should_wait:
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=timer)
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(
protoc_chart,
release_name,
namespace,
dry_run=self.dry_run,
values=yaml.safe_dump(values),
wait=this_chart_should_wait,
timeout=timer)
if this_chart_should_wait:
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=timer)
LOG.info('Install completed with results from Tiller: %s',
tiller_result.__dict__)
msg['install'].append(release_name)
# Sequenced ChartGroup should run tests after each Chart
timer = int(round(deadline - time.time()))
if test_this_chart and cg_sequenced:
LOG.info('Running sequenced test, timeout remaining: %ss.',
timer)
if timer <= 0:
reason = ('Timeout expired before testing sequenced '
'release %s' % release_name)
LOG.error(reason)
raise ArmadaTimeoutException(reason)
self._test_chart(release_name, timer)
# Un-sequenced ChartGroup should run tests at the end
elif test_this_chart:
# Keeping track of time remaining
tests_to_run.append((release_name, timer))
# End of Charts in ChartGroup
LOG.info('All Charts applied.')
# 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 restrict to only releases we processed
# TODO(MarshM): Need to determine a better timeout
# (not cg_max_timeout)
if cg_max_timeout <= 0:
cg_max_timeout = DEFAULT_CHART_TIMEOUT
deadline = time.time() + cg_max_timeout
for (ns, labels) in namespaces_seen:
labels_dict = dict(labels)
timer = int(round(deadline - time.time()))
LOG.info(
'Final wait for healthy namespace (%s), label=(%s), '
'timeout remaining: %ss.', ns, labels_dict, timer)
if timer <= 0:
reason = ('Timeout expired waiting on namespace: %s, '
'label: %s' % (ns, labels_dict))
LOG.error(reason)
raise ArmadaTimeoutException(reason)
self.tiller.k8s.wait_until_ready(
namespace=ns,
labels=labels_dict,
k8s_wait_attempts=self.k8s_wait_attempts,
k8s_wait_attempt_sleep=self.k8s_wait_attempt_sleep,
timeout=timer)
# After entire ChartGroup is healthy, run any pending tests
for (test, test_timer) in tests_to_run:
self._test_chart(test, test_timer)
LOG.info("Performing Post-Flight Operations")
self.post_flight_ops()
if self.enable_chart_cleanup:
self.tiller.chart_cleanup(
prefix, self.manifest[KEYWORD_ARMADA][KEYWORD_GROUPS])
return msg
def post_flight_ops(self):
'''
Operations to run after deployment process has terminated
'''
# Delete temp dirs used for deployment
for group in self.manifest.get(KEYWORD_ARMADA,
{}).get(KEYWORD_GROUPS, []):
for ch in group.get(KEYWORD_CHARTS, []):
chart = ch.get('chart', {})
if chart.get('source', {}).get('type') == 'git':
source_dir = chart.get('source_dir')
if isinstance(source_dir, tuple) and source_dir:
source.source_cleanup(source_dir[0])
def _test_chart(self, release_name, timeout):
# TODO(MarshM): Fix testing, it's broken, and track timeout
resp = self.tiller.testing_release(release_name, timeout=timeout)
status = getattr(resp.info.status, 'last_test_suite_run', 'FAILED')
LOG.info("Test INFO: %s", status)
if resp:
LOG.info("PASSED: %s", release_name)
return True
else:
LOG.info("FAILED: %s", release_name)
return False
def show_diff(self, chart, installed_chart, installed_values, target_chart,
target_values, msg):
'''Produce a unified diff of the installed chart vs our intention'''
# TODO(MarshM) This gives decent output comparing values. Would be
# nice to clean it up further. Are \\n or \n\n ever valid diffs?
# Can these be cleanly converted to dicts, for easier compare?
def _sanitize_diff_str(str):
return str.replace('\\n', '\n').replace('\n\n', '\n').split('\n')
source = _sanitize_diff_str(str(installed_chart.SerializeToString()))
target = _sanitize_diff_str(str(target_chart))
chart_diff = list(difflib.unified_diff(source, target, n=0))
chart_release = chart.get('release', None)
if len(chart_diff) > 0:
LOG.info("Found diff in Chart (%s)", chart_release)
diff_msg = []
for line in chart_diff:
diff_msg.append(line)
msg['diff'].append({'chart': diff_msg})
pretty_diff = '\n'.join(diff_msg)
LOG.debug(pretty_diff)
source = _sanitize_diff_str(installed_values)
target = _sanitize_diff_str(yaml.safe_dump(target_values))
values_diff = list(difflib.unified_diff(source, target, n=0))
if len(values_diff) > 0:
LOG.info("Found diff in values (%s)", chart_release)
diff_msg = []
for line in values_diff:
diff_msg.append(line)
msg['diff'].append({'values': diff_msg})
pretty_diff = '\n'.join(diff_msg)
LOG.debug(pretty_diff)
result = (len(chart_diff) > 0) or (len(values_diff) > 0)
return result