355 lines
9.1 KiB
YAML
355 lines
9.1 KiB
YAML
- name: ensure that there are actually some nodes
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k8s_info:
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kind: Node
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register: nodes
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- block:
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- set_fact:
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wait_namespace: wait
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- name: ensure namespace exists
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k8s:
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definition:
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apiVersion: v1
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kind: Namespace
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metadata:
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name: "{{ wait_namespace }}"
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- name: add a simple pod
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k8s:
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definition:
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apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ k8s_pod_name }}"
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namespace: "{{ wait_namespace }}"
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spec: "{{ k8s_pod_spec }}"
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wait: yes
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vars:
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k8s_pod_name: wait-pod
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k8s_pod_image: alpine:3.8
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k8s_pod_command:
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- sleep
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- "10000"
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register: wait_pod
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ignore_errors: yes
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- name: assert that pod creation succeeded
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assert:
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that:
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- wait_pod is successful
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- name: add a daemonset
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k8s:
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definition:
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apiVersion: extensions/v1beta1
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kind: DaemonSet
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metadata:
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name: wait-daemonset
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namespace: "{{ wait_namespace }}"
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spec:
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selector:
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matchLabels:
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app: "{{ k8s_pod_name }}"
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template: "{{ k8s_pod_template }}"
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wait: yes
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wait_sleep: 3
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wait_timeout: 180
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vars:
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k8s_pod_name: wait-ds
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:1
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register: ds
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- name: check that daemonset wait worked
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assert:
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that:
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- ds.result.status.currentNumberScheduled == ds.result.status.desiredNumberScheduled
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- name: update a daemonset in check_mode
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k8s:
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definition:
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apiVersion: extensions/v1beta1
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kind: DaemonSet
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metadata:
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name: wait-daemonset
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namespace: "{{ wait_namespace }}"
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spec:
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selector:
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matchLabels:
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app: "{{ k8s_pod_name }}"
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updateStrategy:
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type: RollingUpdate
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template: "{{ k8s_pod_template }}"
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wait: yes
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wait_sleep: 3
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wait_timeout: 180
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vars:
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k8s_pod_name: wait-ds
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:2
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register: update_ds_check_mode
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- name: check that check_mode returned changed
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assert:
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that:
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- update_ds_check_mode is changed
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- name: update a daemonset
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k8s:
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definition:
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apiVersion: extensions/v1beta1
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kind: DaemonSet
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metadata:
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name: wait-daemonset
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namespace: "{{ wait_namespace }}"
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spec:
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selector:
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matchLabels:
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app: "{{ k8s_pod_name }}"
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updateStrategy:
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type: RollingUpdate
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template: "{{ k8s_pod_template }}"
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wait: yes
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wait_sleep: 3
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wait_timeout: 180
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vars:
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k8s_pod_name: wait-ds
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:3
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register: ds
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- name: get updated pods
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k8s_info:
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api_version: v1
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kind: Pod
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namespace: "{{ wait_namespace }}"
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label_selectors:
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- app=wait-ds
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register: updated_ds_pods
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- name: check that daemonset wait worked
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assert:
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that:
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- ds.result.status.currentNumberScheduled == ds.result.status.desiredNumberScheduled
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- updated_ds_pods.resources[0].spec.containers[0].image.endswith(":3")
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- name: add a crashing pod
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k8s:
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definition:
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apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ k8s_pod_name }}"
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namespace: "{{ wait_namespace }}"
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spec: "{{ k8s_pod_spec }}"
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wait: yes
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wait_sleep: 1
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wait_timeout: 30
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vars:
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k8s_pod_name: wait-crash-pod
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k8s_pod_image: alpine:3.8
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k8s_pod_command:
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- /bin/false
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register: crash_pod
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ignore_errors: yes
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- name: check that task failed
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assert:
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that:
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- crash_pod is failed
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- name: use a non-existent image
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k8s:
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definition:
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apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ k8s_pod_name }}"
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namespace: "{{ wait_namespace }}"
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spec: "{{ k8s_pod_spec }}"
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wait: yes
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wait_sleep: 1
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wait_timeout: 30
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vars:
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k8s_pod_name: wait-no-image-pod
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k8s_pod_image: i_made_this_up:and_this_too
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register: no_image_pod
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ignore_errors: yes
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- name: check that task failed
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assert:
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that:
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- no_image_pod is failed
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- name: add a deployment
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k8s:
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definition:
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: wait-deploy
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namespace: "{{ wait_namespace }}"
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spec:
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replicas: 3
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selector:
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matchLabels:
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app: "{{ k8s_pod_name }}"
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template: "{{ k8s_pod_template }}"
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wait: yes
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vars:
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k8s_pod_name: wait-deploy
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:1
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k8s_pod_ports:
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- containerPort: 8080
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name: http
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protocol: TCP
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register: deploy
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- name: check that deployment wait worked
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assert:
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that:
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- deploy.result.status.availableReplicas == deploy.result.status.replicas
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- name: update a deployment
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k8s:
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definition:
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: wait-deploy
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namespace: "{{ wait_namespace }}"
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spec:
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replicas: 3
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selector:
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matchLabels:
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app: "{{ k8s_pod_name }}"
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template: "{{ k8s_pod_template }}"
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wait: yes
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vars:
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k8s_pod_name: wait-deploy
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:2
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k8s_pod_ports:
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- containerPort: 8080
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name: http
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protocol: TCP
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register: update_deploy
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- name: get updated pods
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k8s_info:
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api_version: v1
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kind: Pod
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namespace: "{{ wait_namespace }}"
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label_selectors:
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- app=wait-deploy
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register: updated_deploy_pods
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- name: check that deployment wait worked
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assert:
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that:
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- deploy.result.status.availableReplicas == deploy.result.status.replicas
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- updated_deploy_pods.resources[0].spec.containers[0].image.endswith(":2")
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- name: pause a deployment
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k8s:
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definition:
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: wait-deploy
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namespace: "{{ wait_namespace }}"
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spec:
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paused: True
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apply: no
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wait: yes
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wait_condition:
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type: Progressing
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status: Unknown
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reason: DeploymentPaused
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register: pause_deploy
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- name: check that paused deployment wait worked
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assert:
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that:
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- condition.reason == "DeploymentPaused"
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- condition.status == "Unknown"
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vars:
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condition: '{{ pause_deploy.result.status.conditions | json_query("[?type==`Progressing`]") | first }}'
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- name: add a service based on the deployment
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k8s:
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definition:
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apiVersion: v1
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kind: Service
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metadata:
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name: wait-svc
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namespace: "{{ wait_namespace }}"
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spec:
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selector:
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app: "{{ k8s_pod_name }}"
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ports:
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- port: 8080
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targetPort: 8080
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protocol: TCP
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wait: yes
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vars:
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k8s_pod_name: wait-deploy
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register: service
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- name: assert that waiting for service works
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assert:
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that:
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- service is successful
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- name: add a crashing deployment
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k8s:
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definition:
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: wait-crash-deploy
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namespace: "{{ wait_namespace }}"
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spec:
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replicas: 3
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selector:
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matchLabels:
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app: "{{ k8s_pod_name }}"
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template: "{{ k8s_pod_template }}"
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wait: yes
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vars:
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k8s_pod_name: wait-crash-deploy
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k8s_pod_image: alpine:3.8
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k8s_pod_command:
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- /bin/false
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register: wait_crash_deploy
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ignore_errors: yes
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- name: check that task failed
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assert:
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that:
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- wait_crash_deploy is failed
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- name: remove Pod with very short timeout
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k8s:
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api_version: v1
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kind: Pod
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name: wait-pod
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namespace: "{{ wait_namespace }}"
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state: absent
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wait: yes
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wait_sleep: 2
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wait_timeout: 5
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ignore_errors: yes
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register: short_wait_remove_pod
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- name: check that task failed
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assert:
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that:
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- short_wait_remove_pod is failed
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always:
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- name: remove namespace
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k8s:
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kind: Namespace
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name: "{{ wait_namespace }}"
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state: absent
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when: (nodes.resources | length) > 0
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