robot tcs, test charts, robot container added

[ta/cloudtaf.git] / testcases / fluentd / tc_001_ssh_test_fluentd_logging.py

diff --git a/testcases/fluentd/tc_001_ssh_test_fluentd_logging.py b/testcases/fluentd/tc_001_ssh_test_fluentd_logging.py
new file mode 100644 (file)
index 0000000..26c2549
--- /dev/null
+++ b/testcases/fluentd/tc_001_ssh_test_fluentd_logging.py
@@ -0,0 +1,82 @@
+import sys
+import os
+from robot.libraries.BuiltIn import BuiltIn
+from robot.api import logger
+
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', '../common'))
+import common_utils  # noqa
+from decorators_for_robot_functionalities import *  # noqa
+from test_constants import *  # noqa
+
+
+ex = BuiltIn().get_library_instance('execute_command')
+stack_infos = BuiltIn().get_library_instance('stack_infos')
+log_dir = os.path.join(os.path.dirname(__file__))
+
+
+def tc_001_ssh_test_fluentd_logging():
+    steps = ['step1_fluentd_logging_followup_check']
+    common_utils.keyword_runner(steps)
+
+
+# Get all pods or list of pods running on a node
+def kubernetes_get_all_pods(node, podsList):
+    pods = []
+    for po in podsList:
+        command = "kubectl get po --all-namespaces -o wide | grep " + node + " | grep -vP '"
+        for pod in pods_skipped[:-1]:
+            command += pod + '|'
+        command += pods_skipped[-1] + "' | grep " + po + " | awk '{print $2}'"
+        stdout = ex.execute_unix_command_on_remote_as_root(command, node)
+        for line in stdout.splitlines():
+            pods.append(line)
+    logger.info(pods)
+    return pods
+
+
+# Check wether logs from pods are gathered by fluentd or not
+# - Logs from pods in kube-system are monitored
+# - Logs from glusterfs in default are monitored
+# Looking into fluentd logs for messages like below:
+# "2017-10-17 13:03:14 +0000 [info]: plugin/in_tail.rb:586:initialize: following tail of
+# /var/log/containers/kube-proxy-172.24.16.104_kube-system_kube-proxy-
+# 81ea7d0e0fcfd372ac3cc2a7f980dc7761ede68566b1ef30663cbb1e46307e62.log"
+# meaning that e.g. kube-proxy container log is managed by fluentd
+# The research starts from the first "fluent starting" message and stops at first "restarting" occurrence if any
+def fluentd_logging_followup_check(nodes, followedPods):
+    for key in nodes:
+        command = "kubectl get po --all-namespaces -o wide|grep " + nodes[key] + "|grep fluent|awk '{print $2}'"
+        fluentd = ex.execute_unix_command(command)
+        pods = kubernetes_get_all_pods(nodes[key], followedPods)
+        if fluentd is not None:
+            for pod in pods:
+                command = "kubectl -n kube-system logs " + fluentd + \
+                          "|awk '/starting fluentd/{p=1;next}/restarting/{exit} p'|grep -c 'following.*'" + pod
+                logger.info(command)
+                stdout = ex.execute_unix_command_on_remote_as_root(command, nodes[key])
+                if stdout[0] == '0':
+                    err = key + ": Pod not followed by fluentd: " + pod
+                    raise Exception(err)
+        else:
+            err = key + ": Fluentd pod not found"
+            raise Exception(err)
+
+
+@pabot_lock("cpu_pooling")
+def step1_fluentd_logging_followup_check():
+    logger.console("\nstep1_fluentd_logging_followup_check")
+
+    nodes = stack_infos.get_crf_nodes()
+    # Monitor all pods in kube-system namespace
+    podsList = ["kube-system"]
+    fluentd_logging_followup_check(nodes, podsList)
+
+    nodes = stack_infos.get_storage_nodes()
+    # Monitor all pods in kube-system namespace
+    podsList = ["kube-system"]
+    fluentd_logging_followup_check(nodes, podsList)
+
+    nodes = stack_infos.get_worker_nodes()
+    # Monitor all pods in kube-system namespace
+    podsList = ["kube-system"]
+    fluentd_logging_followup_check(nodes, podsList)