mirror of
https://github.com/ansible-collections/kubernetes.core.git
synced 2026-05-07 05:22:39 +00:00
Fix scale wait and add tests
Move wait logic out of raw and into common and use that logic in scale Fix a few broken wait condition cases highlighted by scaling up and down Move scale-related tests into dedicated test task file Additional service related tests
This commit is contained in:
Will Thames
@@ -403,6 +403,162 @@
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that:
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- deploy_after_serviceaccount_removal is failed
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- name: Insert new service port
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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: apply-svc
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namespace: "{{ apply_namespace }}"
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spec:
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selector:
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app: whatever
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ports:
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- name: mesh
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port: 8080
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targetPort: 8080
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- name: http
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port: 8081
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targetPort: 8081
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apply: yes
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register: k8s_service_4
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- name: Check ports are correct
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assert:
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that:
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- k8s_service_4 is changed
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- k8s_service_4.result.spec.ports | length == 2
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- k8s_service_4.result.spec.ports[0].port == 8080
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- k8s_service_4.result.spec.ports[1].port == 8081
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- name: Remove new service port (check mode)
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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: apply-svc
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namespace: "{{ apply_namespace }}"
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spec:
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selector:
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app: whatever
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ports:
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- name: http
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port: 8081
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targetPort: 8081
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apply: yes
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check_mode: yes
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register: k8s_service_check
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- name: Check ports are correct
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assert:
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that:
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- k8s_service_check is changed
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- k8s_service_check.result.spec.ports | length == 1
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- k8s_service_check.result.spec.ports[0].port == 8081
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- name: Remove new service port
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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: apply-svc
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namespace: "{{ apply_namespace }}"
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spec:
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selector:
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app: whatever
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ports:
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- name: http
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port: 8081
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targetPort: 8081
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apply: yes
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register: k8s_service_5
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- name: Check ports are correct
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assert:
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that:
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- k8s_service_5 is changed
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- k8s_service_5.result.spec.ports | length == 1
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- k8s_service_5.result.spec.ports[0].port == 8081
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- name: Add a serviceaccount
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k8s:
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definition:
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: apply-deploy
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namespace: "{{ apply_namespace }}"
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- name: Add a deployment
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k8s:
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definition:
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: apply-deploy
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namespace: "{{ apply_namespace }}"
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spec:
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replicas: 1
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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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apply: yes
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vars:
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k8s_pod_name: apply-deploy
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:v0.10.0-green
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k8s_pod_service_account: apply-deploy
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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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- name: Remove the serviceaccount
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k8s:
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state: absent
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definition:
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: apply-deploy
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namespace: "{{ apply_namespace }}"
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- name: Update the earlier deployment
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k8s:
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definition:
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: apply-deploy
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namespace: "{{ apply_namespace }}"
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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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app: "{{ k8s_pod_name }}"
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template: "{{ k8s_pod_template }}"
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wait: yes
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apply: yes
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vars:
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k8s_pod_name: apply-deploy
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:v0.10.0-purple
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k8s_pod_service_account: apply-deploy
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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_after_serviceaccount_removal
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ignore_errors: yes
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- name: Ensure that updating deployment after service account removal failed
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assert:
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that:
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- deploy_after_serviceaccount_removal is failed
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always:
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- name: Remove namespace
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k8s:
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214
molecule/default/tasks/scale.yml
Normal file
214
molecule/default/tasks/scale.yml
Normal file
@@ -0,0 +1,214 @@
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---
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- block:
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- set_fact:
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scale_namespace: scale
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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: "{{ scale_namespace }}"
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- name: Add a deployment
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k8s:
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definition:
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: scale-deploy
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namespace: "{{ scale_namespace }}"
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spec:
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replicas: 1
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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_timeout: 60
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apply: yes
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vars:
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k8s_pod_name: scale-deploy
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:v0.10.0-green
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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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- name: Get pods in scale-deploy
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k8s_info:
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kind: Pod
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label_selectors:
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- app=scale-deploy
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namespace: "{{ scale_namespace }}"
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field_selectors:
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- status.phase=Running
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- name: Scale the deployment
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k8s_scale:
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api_version: apps/v1
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kind: Deployment
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name: scale-deploy
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namespace: "{{ scale_namespace }}"
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replicas: 0
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wait: yes
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register: scale_down
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# It looks like the Deployment is updated to have the desired state *before* the pods are terminated
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# Wait a couple of seconds to allow the pods to at least get to Terminating state
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- name: Avoid race condition
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pause:
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seconds: 2
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- name: Get pods in scale-deploy
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k8s_info:
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kind: Pod
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label_selectors:
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- app=scale-deploy
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namespace: "{{ scale_namespace }}"
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field_selectors:
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- status.phase=Running
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register: scale_down_deploy_pods
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- name: Ensure that scale down took effect
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assert:
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that:
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- scale_down is changed
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- '"duration" in scale_down'
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- scale_down.diff
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- scale_down_deploy_pods.resources | length == 0
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- name: Reapply the earlier deployment
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k8s:
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definition:
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api_version: apps/v1
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kind: Deployment
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metadata:
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name: scale-deploy
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namespace: "{{ scale_namespace }}"
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spec:
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replicas: 1
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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_timeout: 60
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apply: yes
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vars:
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k8s_pod_name: scale-deploy
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k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:v0.10.0-green
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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: reapply_after_scale
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- name: Get pods in scale-deploy
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k8s_info:
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kind: Pod
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label_selectors:
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- app=scale-deploy
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namespace: "{{ scale_namespace }}"
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field_selectors:
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- status.phase=Running
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register: scale_up_deploy_pods
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- name: Ensure that reapply after scale worked
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assert:
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that:
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- reapply_after_scale is changed
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- scale_up_deploy_pods.resources | length == 1
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- name: Scale the deployment up
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k8s_scale:
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api_version: apps/v1
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kind: Deployment
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name: scale-deploy
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namespace: "{{ scale_namespace }}"
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replicas: 2
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wait: yes
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wait_timeout: 60
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register: scale_up
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- name: Get pods in scale-deploy
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k8s_info:
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kind: Pod
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label_selectors:
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- app=scale-deploy
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field_selectors:
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- status.phase=Running
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namespace: "{{ scale_namespace }}"
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register: scale_up_further_deploy_pods
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- name: Ensure that scale up worked
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assert:
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that:
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- scale_up is changed
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- '"duration" in scale_up'
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- scale_up.diff
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- scale_up_further_deploy_pods.resources | length == 2
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- name: Don't scale the deployment up
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k8s_scale:
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api_version: apps/v1
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kind: Deployment
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name: scale-deploy
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namespace: "{{ scale_namespace }}"
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replicas: 2
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wait: yes
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register: scale_up_noop
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- name: Get pods in scale-deploy
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k8s_info:
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kind: Pod
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label_selectors:
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- app=scale-deploy
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field_selectors:
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- status.phase=Running
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namespace: "{{ scale_namespace }}"
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register: scale_up_noop_pods
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- name: Ensure that no-op scale up worked
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assert:
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that:
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- scale_up_noop is not changed
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- not scale_up_noop.diff
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- scale_up_noop_pods.resources | length == 2
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- '"duration" in scale_up_noop'
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- name: Scale deployment down without wait
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k8s_scale:
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api_version: apps/v1
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kind: Deployment
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name: scale-deploy
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namespace: "{{ scale_namespace }}"
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replicas: 1
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wait: no
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register: scale_down_no_wait
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- name: Ensure that scale down succeeds
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k8s_info:
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kind: Pod
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label_selectors:
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- app=scale-deploy
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namespace: "{{ scale_namespace }}"
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register: scale_down_no_wait_pods
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retries: 6
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delay: 5
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until: "{{ scale_down_no_wait_pods.resources | length == 1 }}"
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- name: Ensure that scale down without wait worked
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assert:
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that:
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- scale_down_no_wait is changed
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- scale_down_no_wait.diff
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- scale_down_no_wait_pods.resources | length == 1
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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: "{{ scale_namespace }}"
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state: absent
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