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Merge pull request #115 from prajwal-gawande492/srv-con-fun1
Automation to validate service controller function on IPI cluster
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‎examples/all.yaml‎

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odf_catalogsource_image: "" #Example - quay.io/rhceph-dev/ocs-registry:4.16.3
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test_pod_image: "quay.io/powercloud/nginx-unprivileged:latest"
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## ocp-service-controller-function vars
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ocp-service: false
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‎examples/ocp-service-controller-function.yaml‎

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## ocp-service-controller-function vars
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ocp-service: true
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‎group_vars/all.yml‎

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## ocp-etcd-encryption-decryption vars
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ocp_etcd: false
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## ocp-service-controller-function required vars
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ocp_service: false
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## ocp-cluster-log-forwarding required vars
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ocp_cluster_logging: false
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cluster_log_forwarder: false
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iqn: # eg. iqn.2021-04.redhat.com:iscsitarget2
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target_IP: ""
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# hypershift required vars for installation/destroy
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mgmt_cluster_kubeconfig: "{{ ansible_env.HOME }}/.kube/config"
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hosted_cluster_name: "rdr-hypershift-cluster"

‎playbooks/main.yml‎

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---
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- import_playbook: ocp-service-controller-function.yml
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when: ocp-service is defined and ocp-service
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- import_playbook: ocp-scale.yml
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when: scale_test_enabled
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‎playbooks/ocp-service-controller-function.yml‎

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- name: Run the Service Controller function
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hosts: localhost
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roles:
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- ocp-service-controller-function
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‎playbooks/roles/ocp-service-controller-function/README.md‎

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OCP Service Controller Function on IPI (Installer Provision Infrastructure) cluster
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=========
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This ansible playbook can be used for validating the Service controller functions (services of type loadbalancer) on IPI cluster.
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It deploys the sample-app and service loadbalancer to check the functionality on IPI cluster.
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Requirements
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------------
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- OCP IPI 4.x healthy cluster
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- The cluster is in a known good state, without any errors.
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Role Variables
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--------------
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| Variable | Required | Default | Comments |
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|-----------------------------|----------|--------------------------------------------|-----------------------------------------------------|
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| ocp_service| no | false | Flag to be set to true to run this playbook |
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Dependencies
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------------
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- None
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Example Playbook
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----------------
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```
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- name: Run the Service Controller function
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hosts: localhost
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roles:
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- ocp-service-controller-function
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```
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License
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-------
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See LICENCE.txt
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Author Information
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------------------
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[email protected]
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‎playbooks/roles/ocp-service-controller-function/defaults/main.yaml‎

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---
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test_namespace: "test-privileged"

‎playbooks/roles/ocp-service-controller-function/files/sample-web-app.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: go-web-app
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namespace: test-privileged
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spec:
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replicas: 2
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selector:
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matchLabels:
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name: go-web-app
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template:
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metadata:
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labels:
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name: go-web-app
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spec:
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containers:
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- name: application
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image: karthikkn27/go-web-app-on-scratch
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imagePullPolicy: IfNotPresent
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ports:
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- containerPort: 7777
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‎playbooks/roles/ocp-service-controller-function/files/test-svc.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: test-svc
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namespace: test-privileged
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spec:
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type: LoadBalancer
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ports:
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- name: http
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port: 80
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targetPort: 7777
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selector:
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name: go-web-app
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externalTrafficPolicy: Cluster
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‎playbooks/roles/ocp-service-controller-function/tasks/main.yml‎

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---
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- name: Check if cluster operators and nodes are healthy
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include_role:
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name: check-cluster-health
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- name: Delete the service if already exist
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kubernetes.core.k8s:
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state: absent
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api_version: v1
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kind: Service
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namespace: test-privileged
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name: test-svc
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ignore_errors: true
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- name: Delete the sample-app if already exist
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kubernetes.core.k8s:
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state: absent
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api_version: apps/v1
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kind: Deployment
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namespace: test-privileged
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name: go-web-app
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ignore_errors: true
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- name: Create namespace and labels to deploy sample-web-app
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kubernetes.core.k8s:
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name: "{{ test_namespace }}"
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api_version: v1
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kind: Namespace
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state: present
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- name: Add label to the "{{ test_namespace }}" namespace
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kubernetes.core.k8s:
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state: patched
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kind: Namespace
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name: "{{ test_namespace }}"
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definition:
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metadata:
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labels:
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security.openshift.io/scc.podSecurityLabelSync: "false"
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pod-security.kubernetes.io/enforce: privileged
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pod-security.kubernetes.io/audit: privileged
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pod-security.kubernetes.io/warn: privileged
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- name: Run sample-web-app file
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kubernetes.core.k8s:
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state: present
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src: "{{ role_path }}/files/sample-web-app.yaml"
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- name: Wait for sample-app to come up
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wait_for:
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timeout: 120
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delay: 2
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- name: Check for the pods
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shell: oc get pods -n "{{ test_namespace }}"
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register: check_pod
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- name: Check if the pods are in Running state
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shell: oc get pods -n "{{ test_namespace }}" -o jsonpath='{.items[0].status.phase}'
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register: pods_status
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until: pods_status.stdout == "Running"
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retries: 15
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delay: 60
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- debug:
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msg: "{{ check_pod.stdout_lines }}"
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- name: Run the service file
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kubernetes.core.k8s:
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state: present
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src: "{{ role_path }}/files/test-svc.yaml"
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register: create_service
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when: pods_status.stdout == "Running"
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- name: Wait for service to come up
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wait_for:
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timeout: 120
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delay: 2
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- name: Check the service
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shell: oc get service -A | grep test-svc
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register: check_service
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- debug:
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msg: "{{ check_service.stdout_lines }}"
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- name: Get the pod
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shell: oc get pods -n "{{ test_namespace }}" -o=jsonpath='{.items[0].metadata.name}'
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register: first_pod
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- name: Check the logs of the service
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shell: oc logs "{{ first_pod.stdout }}" -n "{{ test_namespace }}"
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register: service_logs
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- debug:
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msg: "{{ service_logs.stdout_lines }}"
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- name: Get the externalIP of the service
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shell: oc get service -n "{{ test_namespace }}" -o=jsonpath='{.items[0].status.loadBalancer.ingress[0].hostname}'
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register: lb_externalip
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- name: Wait for loadbalancer to comes up
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wait_for:
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delay: 5
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- name: Check the application is accessible through an external IP
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shell: curl http://{{ lb_externalip.stdout }}
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register: curl_ip
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when: lb_externalip.stdout != ''
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- debug:
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msg: "{{ curl_ip.stdout_lines }}"
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- name: Verify the logs from the external ip
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shell: echo "Successfully validate the service controller function"
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when: curl_ip.stdout == "My Go App"
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register: success_msg
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- debug:
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msg: "{{ success_msg.stdout_lines }}"
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- name: Clean up the service
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kubernetes.core.k8s:
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state: absent
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api_version: v1
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kind: Service
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namespace: "{{ test_namespace }}"
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name: test-svc
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ignore_errors: true
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- name: Check if the service has been deleted
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shell: oc get service -A --no-headers | grep test-svc | wc -l
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register: func_srv
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until: func_srv.stdout|int == 0
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retries: 15
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delay: 60
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- name: Clean up the sample-app resources
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kubernetes.core.k8s:
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api_version: apps/v1
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namespace: "{{ test_namespace }}"
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kind: Deployment
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state: absent
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name: go-web-app
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ignore_errors: true
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- name: Check if all the pods has been deleted
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shell: oc get pods -n "{{ test_namespace }}" --no-headers | wc -l
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register: del_pod
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until: del_pod.stdout|int == 0
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retries: 15
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delay: 60
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- name: Delete namespace created for sample-web-app
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kubernetes.core.k8s:
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name: "{{ test_namespace }}"
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api_version: v1
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kind: Namespace
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state: absent
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- name: Check if the namespace gets deleted
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shell: oc get namespace --no-headers | grep "{{ test_namespace }}" | wc -l
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register: srv_namespace
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until: srv_namespace.stdout|int == 0
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retries: 15
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delay: 30

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