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---
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- name: Registering container name
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set_fact:
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cname: "{{ cname_prefix ~ '-iid' }}"
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- name: Registering container name
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set_fact:
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cnames: "{{ cnames + [cname] }}"
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- name: Pull images
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docker_image:
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name: "{{ image }}"
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source: pull
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loop:
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- "hello-world:latest"
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- "alpine:3.8"
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loop_control:
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loop_var: image
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- name: Get image ID of hello-world and alpine images
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docker_image_info:
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name:
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- "hello-world:latest"
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- "alpine:3.8"
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register: image_info
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- assert:
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that:
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- image_info.images | length == 2
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- name: Print image IDs
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debug:
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msg: "hello-world: {{ image_info.images[0].Id }}; alpine: {{ image_info.images[1].Id }}"
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- name: Create container with hello-world image via ID
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docker_container:
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image: "{{ image_info.images[0].Id }}"
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name: "{{ cname }}"
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state: present
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force_kill: yes
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register: create_1
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- name: Create container with hello-world image via ID (idempotent)
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docker_container:
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image: "{{ image_info.images[0].Id }}"
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name: "{{ cname }}"
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state: present
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force_kill: yes
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register: create_2
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- name: Create container with alpine image via ID
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docker_container:
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image: "{{ image_info.images[1].Id }}"
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name: "{{ cname }}"
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state: present
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force_kill: yes
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register: create_3
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- name: Create container with alpine image via ID (idempotent)
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docker_container:
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image: "{{ image_info.images[1].Id }}"
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name: "{{ cname }}"
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state: present
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force_kill: yes
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register: create_4
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- name: Untag image
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# Image will not be deleted since the container still uses it
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docker_image:
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name: alpine:3.8
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force_absent: yes
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state: absent
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- name: Create container with alpine image via name (check mode, will pull, same image)
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docker_container:
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image: alpine:3.8
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name: "{{ cname }}"
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state: present
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register: create_5
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check_mode: yes
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- name: Create container with alpine image via name (will pull, same image)
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docker_container:
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image: alpine:3.8
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name: "{{ cname }}"
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state: present
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register: create_6
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- name: Cleanup
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docker_container:
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name: "{{ cname }}"
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state: absent
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force_kill: yes
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diff: no
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- assert:
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that:
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- create_1 is changed
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- create_2 is not changed
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- create_3 is changed
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- create_4 is not changed
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- create_5 is changed
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- create_6 is changed
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- create_6.container.Image == image_info.images[1].Id
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- create_6.container.Id == create_4.container.Id # make sure container wasn't recreated
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- name: set Digests
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set_fact:
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digest_hello_world_2016: 0256e8a36e2070f7bf2d0b0763dbabdd67798512411de4cdcf9431a1feb60fd9
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digest_hello_world_2019: 2557e3c07ed1e38f26e389462d03ed943586f744621577a99efb77324b0fe535
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- name: Create container with hello-world image via old digest
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docker_container:
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image: "hello-world@sha256:{{ digest_hello_world_2016 }}"
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name: "{{ cname }}"
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state: present
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force_kill: yes
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register: digest_1
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|
|
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- name: Create container with hello-world image via old digest (idempotent)
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docker_container:
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image: "hello-world@sha256:{{ digest_hello_world_2016 }}"
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name: "{{ cname }}"
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state: present
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|
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force_kill: yes
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register: digest_2
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- name: Update container with hello-world image via new digest
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docker_container:
|
|
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image: "hello-world@sha256:{{ digest_hello_world_2019 }}"
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name: "{{ cname }}"
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state: present
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|
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force_kill: yes
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register: digest_3
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- name: Cleanup
|
|
|
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docker_container:
|
|
|
|
name: "{{ cname }}"
|
|
|
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state: absent
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|
|
|
force_kill: yes
|
|
|
|
diff: no
|
|
|
|
|
|
|
|
- assert:
|
|
|
|
that:
|
|
|
|
- digest_1 is changed
|
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- digest_2 is not changed
|
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- digest_3 is changed
|