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k8s_info: Add support for wait (#235)

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Fixes: #18
This commit is contained in:
Abhijeet Kasurde
2020-09-28 10:52:00 +05:30
committed by GitHub
parent 70a4b068ff
commit f03d2ce243
7 changed files with 331 additions and 85 deletions
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91
plugins/module_utils/common.py
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@@ -81,6 +81,20 @@ try:
except ImportError:
from ansible.module_utils.common.dict_transformations import recursive_diff
try:
try:
# >=0.10
from openshift.dynamic.resource import ResourceInstance
except ImportError:
# <0.10
from openshift.dynamic.client import ResourceInstance
HAS_K8S_INSTANCE_HELPER = True
k8s_import_exception = None
except ImportError as e:
HAS_K8S_INSTANCE_HELPER = False
k8s_import_exception = e
K8S_IMP_ERR = traceback.format_exc()
def list_dict_str(value):
if isinstance(value, (list, dict, string_types)):
@@ -158,6 +172,21 @@ AUTH_ARG_SPEC = {
},
}
WAIT_ARG_SPEC = dict(
wait=dict(type='bool', default=False),
wait_sleep=dict(type='int', default=5),
wait_timeout=dict(type='int', default=120),
wait_condition=dict(
type='dict',
default=None,
options=dict(
type=dict(),
status=dict(default=True, choices=[True, False, "Unknown"]),
reason=dict()
)
)
)
# Map kubernetes-client parameters to ansible parameters
AUTH_ARG_MAP = {
'kubeconfig': 'kubeconfig',
@@ -249,22 +278,46 @@ class K8sAnsibleMixin(object):
if fail:
self.fail(msg='Failed to find exact match for {0}.{1} by [kind, name, singularName, shortNames]'.format(api_version, kind))
def kubernetes_facts(self, kind, api_version, name=None, namespace=None, label_selectors=None, field_selectors=None):
def kubernetes_facts(self, kind, api_version, name=None, namespace=None, label_selectors=None, field_selectors=None,
wait=False, wait_sleep=5, wait_timeout=120, state='present', condition=None):
resource = self.find_resource(kind, api_version)
if not resource:
return dict(resources=[])
if not label_selectors:
label_selectors = []
if not field_selectors:
field_selectors = []
try:
result = resource.get(name=name,
namespace=namespace,
label_selector=','.join(label_selectors),
field_selector=','.join(field_selectors)).to_dict()
except openshift.dynamic.exceptions.NotFoundError:
field_selector=','.join(field_selectors))
if wait:
satisfied_by = []
if isinstance(result, ResourceInstance):
# We have a list of ResourceInstance
resource_list = result.get('items', [])
if not resource_list:
resource_list = [result]
for resource_instance in resource_list:
success, res, duration = self.wait(resource, resource_instance,
sleep=wait_sleep, timeout=wait_timeout,
state=state, condition=condition)
if not success:
self.fail(msg="Failed to gather information about %s(s) even"
" after waiting for %s seconds" % (res.get('kind'), duration))
satisfied_by.append(res)
return dict(resources=satisfied_by)
result = result.to_dict()
except (openshift.dynamic.exceptions.BadRequestError, openshift.dynamic.exceptions.NotFoundError):
return dict(resources=[])
if 'items' in result:
return dict(resources=result['items'])
else:
return dict(resources=[result])
return dict(resources=[result])
def remove_aliases(self):
"""
@@ -330,8 +383,7 @@ class K8sAnsibleMixin(object):
if predicate(response):
if response:
return True, response.to_dict(), _wait_for_elapsed()
else:
return True, {}, _wait_for_elapsed()
return True, {}, _wait_for_elapsed()
time.sleep(sleep)
except NotFoundError:
if state == 'absent':
@@ -440,21 +492,20 @@ class K8sAnsibleMixin(object):
def check_library_version(self):
validate = self.params.get('validate')
if validate:
if LooseVersion(self.openshift_version) < LooseVersion("0.8.0"):
self.fail_json(msg="openshift >= 0.8.0 is required for validate")
if validate and LooseVersion(self.openshift_version) < LooseVersion("0.8.0"):
self.fail_json(msg="openshift >= 0.8.0 is required for validate")
self.append_hash = self.params.get('append_hash')
if self.append_hash:
if not HAS_K8S_CONFIG_HASH:
self.fail_json(msg=missing_required_lib("openshift >= 0.7.2", reason="for append_hash"),
exception=K8S_CONFIG_HASH_IMP_ERR)
if self.params['merge_type']:
if LooseVersion(self.openshift_version) < LooseVersion("0.6.2"):
self.fail_json(msg=missing_required_lib("openshift >= 0.6.2", reason="for merge_type"))
if self.append_hash and not HAS_K8S_CONFIG_HASH:
self.fail_json(msg=missing_required_lib("openshift >= 0.7.2", reason="for append_hash"),
exception=K8S_CONFIG_HASH_IMP_ERR)
if self.params['merge_type'] and LooseVersion(self.openshift_version) < LooseVersion("0.6.2"):
self.fail_json(msg=missing_required_lib("openshift >= 0.6.2", reason="for merge_type"))
self.apply = self.params.get('apply', False)
if self.apply:
if not HAS_K8S_APPLY:
self.fail_json(msg=missing_required_lib("openshift >= 0.9.2", reason="for apply"))
if self.apply and not HAS_K8S_APPLY:
self.fail_json(msg=missing_required_lib("openshift >= 0.9.2", reason="for apply"))
wait = self.params.get('wait', False)
if wait and not HAS_K8S_INSTANCE_HELPER:
self.fail_json(msg=missing_required_lib("openshift >= 0.4.0", reason="for wait"))
def flatten_list_kind(self, list_resource, definitions):
flattened = []