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bf3fe91a5d
k8s_exec: Select first container from the pod SUMMARY kubectl command select first container from the pod in order to execute commands on. We replicate the same behavior in k8s_exec module. Fixes: #358 Signed-off-by: Abhijeet Kasurde akasurde@redhat.com ISSUE TYPE Bugfix Pull Request COMPONENT NAME changelogs/fragments/358-k8s_exec.yml plugins/modules/k8s_exec.py Reviewed-by: Mike Graves <mgraves@redhat.com> Reviewed-by: None <None>
100 lines
2.4 KiB
YAML
100 lines
2.4 KiB
YAML
---
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- vars:
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exec_namespace: k8s-exec
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pod: sleep-pod
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exec_pod_definition:
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apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ pod }}"
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namespace: "{{ exec_namespace }}"
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spec:
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containers:
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- name: sleeper
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image: busybox
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command: ["sleep", "infinity"]
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multi_container_pod_name: pod-2
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multi_container_pod_definition:
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apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ multi_container_pod_name }}"
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namespace: "{{ exec_namespace }}"
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spec:
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containers:
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- name: sleeper-1
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image: busybox
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command: ["sleep", "infinity"]
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- name: sleeper-2
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image: busybox
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command: ["sleep", "infinity"]
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block:
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- name: "Ensure that {{ exec_namespace }} namespace exists"
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k8s:
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kind: Namespace
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name: "{{ exec_namespace }}"
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- name: "Create a pod"
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k8s:
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definition: "{{ exec_pod_definition }}"
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wait: yes
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wait_sleep: 1
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wait_timeout: 30
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- name: "Execute a command"
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k8s_exec:
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pod: "{{ pod }}"
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namespace: "{{ exec_namespace }}"
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command: cat /etc/resolv.conf
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register: output
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- name: "Show k8s_exec output"
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debug:
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var: output
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- name: "Assert k8s_exec output is correct"
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assert:
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that:
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- "'nameserver' in output.stdout"
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- name: Check if rc is returned for the given command
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k8s_exec:
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namespace: "{{ exec_namespace }}"
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pod: "{{ pod }}"
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command: 'false'
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register: command_status
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ignore_errors: True
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- name: Check last command status
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assert:
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that:
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- command_status.rc != 0
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- command_status.return_code != 0
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- name: Create a multi container pod
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k8s:
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definition: "{{ multi_container_pod_definition }}"
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wait: yes
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wait_sleep: 1
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wait_timeout: 30
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- name: Execute command on the first container of the pod
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k8s_exec:
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pod: "{{ multi_container_pod_name }}"
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namespace: "{{ exec_namespace }}"
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command: echo hello
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register: output
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- name: Assert k8s_exec output is correct
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assert:
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that:
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- "'hello' in output.stdout"
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always:
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- name: "Cleanup namespace"
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k8s:
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kind: Namespace
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name: "{{ exec_namespace }}"
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state: absent
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