85 lines
2.8 KiB
YAML
85 lines
2.8 KiB
YAML
---
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- name: Fail when the storage driver is invalid
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fail:
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msg: >
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Storage driver {{ docker_storage_driver }} is invalid. Valid drivers
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include 'devicemapper' and 'overlay'.
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when: docker_storage_driver not in ['devicemapper', 'overlay']
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- name: Set a fact about the virtualenv on the remote system
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set_fact:
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virtualenv: "{{ ansible_python_interpreter | dirname | dirname }}"
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when:
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- ansible_python_interpreter is defined
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- not ansible_python_interpreter.startswith('/bin/')
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- not ansible_python_interpreter.startswith('/usr/bin/')
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- name: Ensure docker SDK for python is installed
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pip:
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name: docker
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state: latest
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extra_args: "{% if docker_upper_constraints_file %}-c {{ docker_upper_constraints_file }}{% endif %}"
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virtualenv: "{{ virtualenv is defined | ternary(virtualenv, omit) }}"
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become: "{{ virtualenv is not defined }}"
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- name: Ensure user is in the docker group
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user:
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name: "{{ ansible_user_id }}"
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groups: docker
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append: yes
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register: group_result
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become: True
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# After adding the user to the docker group, we need to log out and in again to
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# pick up the group membership. We do this by removing the SSH ControlPersist
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# connection.
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# NOTE: Ideally we'd use a meta task with the reset_connection option but due
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# to https://github.com/ansible/ansible/issues/27520 this does not work
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# (checked in Ansible 2.3.2.0). Instead, we use the heavy handed method of
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# removing all ansible control sockets. Limitation: if this user is running
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# another ansible process, we will kill its connections.
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- name: Find persistent SSH connection control sockets
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local_action:
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module: find
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file_type: any
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path: "~/.ansible/cp/"
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patterns: '[a-f0-9]{10}'
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use_regex: True
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register: cp_sockets
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run_once: True
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when:
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- group_result|changed
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- name: Drop all persistent SSH connections to activate the new group membership
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local_action:
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module: shell ssh -O stop None -o ControlPath={{ item.path }}
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with_items: "{{ cp_sockets.files }}"
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run_once: True
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when: not cp_sockets|skipped
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- name: Ensure Docker daemon is started
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service:
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name: docker
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state: started
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become: True
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- name: Query docker daemon information
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command: "docker info"
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register: docker_info
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changed_when: False
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- name: Fail when loopback-mode containers or images exist
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fail:
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msg: >
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Not configuring docker storage in {{ docker_storage_driver }} mode as
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loopback-backed containers or images exist.
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when:
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- "'Data loop file' in docker_info.stdout or docker_storage_driver not in docker_info.stdout"
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- "'Images: 0' not in docker_info.stdout or 'Containers: 0' not in docker_info.stdout"
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- include: storage.yml
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when: "'Data loop file' in docker_info.stdout or docker_storage_driver not in docker_info.stdout"
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- include: config.yml
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