From 9423f2e5911a9933744e827c9b09e2e9025b4aee Mon Sep 17 00:00:00 2001
From: QiLiang <liangqi1@huawei.com>
Date: Thu, 15 Mar 2018 12:20:59 +0800
Subject: Initial commit for monitoring by prometheus

- install prometheus
- validate the installation
- add prometheus query function
- TODO: test collecting telemetry data from istio

JIRA: CLOVER-7

Change-Id: I983be2db78c8c5c20c0acee9ae81e891884e07fb
Signed-off-by: QiLiang <liangqi1@huawei.com>
---
 clover/monitoring/validate.py | 70 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 clover/monitoring/validate.py

(limited to 'clover/monitoring/validate.py')

diff --git a/clover/monitoring/validate.py b/clover/monitoring/validate.py
new file mode 100644
index 0000000..fafe5df
--- /dev/null
+++ b/clover/monitoring/validate.py
@@ -0,0 +1,70 @@
+# Copyright (c) Authors of Clover
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+
+from monitoring import Monitoring
+from kubernetes import client, config
+
+PROMETHEUS_URL = "http://127.0.0.1:9090"
+PROMETHEUS_DEPLOYMENT = "prometheus"
+PROMETHEUS_LABELS = "app=prometheus"
+ISTIO_NAMESPACE = "istio-system"
+
+
+def validateDeploy():
+    config.load_kube_config()
+    appsv1 = client.AppsV1Api()
+    corev1 = client.CoreV1Api()
+    find_flag = False
+    prom_pod_name = None
+
+    # check prometheus deploytment
+    ret = appsv1.list_deployment_for_all_namespaces(watch=False)
+    for i in ret.items:
+        if PROMETHEUS_DEPLOYMENT == i.metadata.name and \
+           ISTIO_NAMESPACE == i.metadata.namespace:
+           find_flag = True
+           break
+    if find_flag == False:
+        print("ERROR: Deployment: {} doesn't present in {} namespace".format(
+                        PROMETHEUS_DEPLOYMENT, ISTIO_NAMESPACE))
+        return False
+
+    # find prometheus pod by label selector
+    ret = corev1.list_namespaced_pod(ISTIO_NAMESPACE, label_selector=PROMETHEUS_LABELS)
+    for i in ret.items:
+        prom_pod_name = i.metadata.name
+    if prom_pod_name == None:
+        print("ERROR: prometheus pod not found")
+        return False
+
+    # check prometheus pod status
+    ret = corev1.read_namespaced_pod_status(prom_pod_name, ISTIO_NAMESPACE)
+    if ret.status.phase != "Running":
+        print("ERROR: prometheus pod %s is under %s state" % (prom_pod_name, ret.status.phase))
+        return False
+
+    return True
+
+
+def validateService():
+    m = Monitoring(PROMETHEUS_URL)
+
+    return m.is_targets_healthy()
+
+
+def main():
+    if validateDeploy() and validateService():
+        print"Prometheus monitoring validation has passed"
+        return True
+    else:
+        print"ERROR: Prometheus monitoring validation has failed"
+        return False
+
+
+if __name__ == '__main__':
+    main()
+
-- 
cgit 1.2.3-korg