WIP: playbook to fetch RHOSO controlplane pods metrics

Change-Id: I193a389b881452a6966cf9db1ea08fdc5556c90a

ansible/rhoso-metrics/check_oc.yaml

@@ -0,0 +1,19 @@
+---
+- name: Check if oc is installed
+  shell: "which oc"
+  register: oc_location
+  ignore_errors: true
+- name: Fail if oc is not installed
+  fail:
+    msg: "oc is not installed"
+  when: oc_location.rc != 0
+
+- name: Check if logged into Kubernetes cluster
+  shell: "oc version"
+  register: oc_version
+  ignore_errors: true
+
+- name: Fail if not logged in
+  fail:
+    msg: "Not logged in to Kubernetes cluster"
+  when: oc_version.rc != 0

ansible/rhoso-metrics/fetch_metrics.yaml

@@ -0,0 +1,48 @@
+---
+- name: fetch prometheus data to ES
+  hosts: localhost
+  vars:
+    required_vars:
+      - es_server
+      - es_index
+      - uuid
+      - job_name
+      - metrics
+      - start_time
+      - end_time
+  tasks:
+    - name: check if variables are defind
+      assert:
+        that:
+          - item in vars
+      loop: "{{ required_vars }}"
+      loop_control:
+        label: "{{ item }}"
+      register: var_check_result
+      ignore_errors: true
+    - name: Fail if any variable is not defined
+      fail:
+        msg: "Variable '{{ var_check_result.results | map(attribute='item') | list | first }}' is not defined. Aborting playbook execution."
+      when: var_check_result is failed
+    - include_tasks: check_oc.yaml
+    - name: download kube-burner
+      ansible.builtin.get_url:
+        url: https://github.com/cloud-bulldozer/kube-burner/releases/download/v1.7.12/kube-burner-V1.7.12-linux-x86_64.tar.gz
+        dest: /tmp/kube-burner.tar.gz
+    - name: extract the kube-burner
+      ansible.builtin.unarchive:
+        src: /tmp/kube-burner.tar.gz
+        dest: /tmp
+        mode: '0774'
+    - name: retrieve the prometheus url
+      shell: oc get routes -n  openshift-monitoring prometheus-k8s -o=jsonpath='{.spec.host}'
+      register: prometheus_url
+    - name: create token to access prometheus
+      shell: oc create token prometheus-k8s -n openshift-monitoring
+      register: token
+    - name: debug msg
+      debug:
+        msg: "url {{ prometheus_url.stdout }}"
+    - name: copy data from premetheus to elastic
+      shell: |
+              /tmp/kube-burner index --es-server {{ es_server }} --es-index {{ es_index }} --uuid={{ uuid}} --job-name {{ job_name }} --token={{ token.stdout}} -m={{ metrics }} --start={{ start_time }} --end={{ end_time }} --log-level debug -u https://{{ prometheus_url.stdout }}

ansible/rhoso-metrics/metrics.yaml

@@ -0,0 +1,14 @@
+# Containers & pod metrics
+#
+#- query: (sum(irate(container_cpu_usage_seconds_total{name!="",container!~"POD|",namespace=~"openstack"}[2m]) * 100) by (container, pod, namespace, node)) > 0
+#  metricName: containerCPU
+
+#- query: sum(container_memory_rss{name!="",container!~"POD|",namespace=~"openstack"}) by (container, pod, namespace, node)
+#  metricName: containerMemory
+
+- query: sum(irate(container_network_receive_packets_total{cluster="",namespace=~"openstack", pod!=""}[2m])) by (pod, namespace, node, interface)
+  metricName: containerRecvPackets
+
+- query: sum(irate(container_network_transmit_packets_total{cluster="",namespace=~"openstack", pod!=""}[2m])) by (pod, namespace, node, interface)
+  metricName: containerTranPackets
+