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-rw-r--r--roles/openshift_health_checker/openshift_checks/logging/fluentd.py51
1 files changed, 21 insertions, 30 deletions
diff --git a/roles/openshift_health_checker/openshift_checks/logging/fluentd.py b/roles/openshift_health_checker/openshift_checks/logging/fluentd.py
index 627567293..b3485bf44 100644
--- a/roles/openshift_health_checker/openshift_checks/logging/fluentd.py
+++ b/roles/openshift_health_checker/openshift_checks/logging/fluentd.py
@@ -1,37 +1,30 @@
-"""
-Module for performing checks on an Fluentd logging deployment
-"""
+"""Check for an aggregated logging Fluentd deployment"""
import json
-from openshift_checks import get_var
from openshift_checks.logging.logging import LoggingCheck
class Fluentd(LoggingCheck):
- """Module that checks an integrated logging Fluentd deployment"""
+ """Check for an aggregated logging Fluentd deployment"""
+
name = "fluentd"
tags = ["health", "logging"]
- logging_namespace = None
-
- def run(self, tmp, task_vars):
+ def run(self):
"""Check various things and gather errors. Returns: result as hash"""
- self.logging_namespace = get_var(task_vars, "openshift_logging_namespace", default="logging")
+ self.logging_namespace = self.get_var("openshift_logging_namespace", default="logging")
fluentd_pods, error = super(Fluentd, self).get_pods_for_component(
- self.execute_module,
self.logging_namespace,
"fluentd",
- task_vars,
)
if error:
return {"failed": True, "changed": False, "msg": error}
- check_error = self.check_fluentd(fluentd_pods, task_vars)
+ check_error = self.check_fluentd(fluentd_pods)
if check_error:
msg = ("The following Fluentd deployment issue was found:"
- "\n-------\n"
"{}".format(check_error))
return {"failed": True, "changed": False, "msg": msg}
@@ -53,10 +46,9 @@ class Fluentd(LoggingCheck):
).format(label=node_selector)
return fluentd_nodes, None
- @staticmethod
- def _check_node_labeling(nodes_by_name, fluentd_nodes, node_selector, task_vars):
+ def _check_node_labeling(self, nodes_by_name, fluentd_nodes, node_selector):
"""Note if nodes are not labeled as expected. Returns: error string"""
- intended_nodes = get_var(task_vars, 'openshift_logging_fluentd_hosts', default=['--all'])
+ intended_nodes = self.get_var('openshift_logging_fluentd_hosts', default=['--all'])
if not intended_nodes or '--all' in intended_nodes:
intended_nodes = nodes_by_name.keys()
nodes_missing_labels = set(intended_nodes) - set(fluentd_nodes.keys())
@@ -114,13 +106,15 @@ class Fluentd(LoggingCheck):
))
return None
- def check_fluentd(self, pods, task_vars):
+ def check_fluentd(self, pods):
"""Verify fluentd is running everywhere. Returns: error string"""
- node_selector = get_var(task_vars, 'openshift_logging_fluentd_nodeselector',
- default='logging-infra-fluentd=true')
+ node_selector = self.get_var(
+ 'openshift_logging_fluentd_nodeselector',
+ default='logging-infra-fluentd=true'
+ )
- nodes_by_name, error = self.get_nodes_by_name(task_vars)
+ nodes_by_name, error = self.get_nodes_by_name()
if error:
return error
@@ -129,7 +123,7 @@ class Fluentd(LoggingCheck):
return error
error_msgs = []
- error = self._check_node_labeling(nodes_by_name, fluentd_nodes, node_selector, task_vars)
+ error = self._check_node_labeling(nodes_by_name, fluentd_nodes, node_selector)
if error:
error_msgs.append(error)
error = self._check_nodes_have_fluentd(pods, fluentd_nodes)
@@ -148,9 +142,13 @@ class Fluentd(LoggingCheck):
return '\n'.join(error_msgs)
- def get_nodes_by_name(self, task_vars):
+ def get_nodes_by_name(self):
"""Retrieve all the node definitions. Returns: dict(name: node), error string"""
- nodes_json = self._exec_oc("get nodes -o json", [], task_vars)
+ nodes_json = self.exec_oc(
+ self.logging_namespace,
+ "get nodes -o json",
+ []
+ )
try:
nodes = json.loads(nodes_json)
except ValueError: # no valid json - should not happen
@@ -161,10 +159,3 @@ class Fluentd(LoggingCheck):
node['metadata']['name']: node
for node in nodes['items']
}, None
-
- def _exec_oc(self, cmd_str, extra_args, task_vars):
- return super(Fluentd, self).exec_oc(self.execute_module,
- self.logging_namespace,
- cmd_str,
- extra_args,
- task_vars)