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91 lines
3.3 KiB
YAML
91 lines
3.3 KiB
YAML
---
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# https://docs.ansible.com/ansible/latest/collections/community/docker/docker_container_module.html#ansible-collections-community-docker-docker-container-module
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# https://docs.docker.com/storage/volumes/#backup-restore-or-migrate-data-volumes
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- name: Determine backup timestamp.
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ansible.builtin.set_fact: backup_time="{{ ansible_date_time.iso8601 }}"
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- name: Install Python dependencies
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ansible.builtin.pip:
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name:
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- docker
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- boto3
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- name: Stop a container
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community.docker.docker_container:
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name: "{{ container_backup }}"
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state: stopped
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- name: Get container details
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docker_container_info:
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name: "{{ container_backup }}"
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register: result
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- name: Extract only the volume mounts (not bind mounts)
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ansible.builtin.set_fact: volume_mounts="{{ result.container.Mounts | selectattr("Type", "equalto", "volume") }}"
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- name: Create Backup of Container Volumes
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community.docker.docker_container:
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name: "backup-container-{{ item.Name }}-{{ 10 | random }}"
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image: ubuntu
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command: "tar -czvf /backups/{{ item.Name }}-{{ backup_time }}.tar.gz /data"
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cleanup: true
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detach: false # block until this container exists.
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state: started
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volumes:
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- "{{ item.Name }}:/data"
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- "{{ docker_backup_host_backup_directory }}:/backups"
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with_items: "{{ volume_mounts }}"
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- name: Start the container
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community.docker.docker_container:
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name: "{{ container_backup }}"
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state: started
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- name: Upload backups to S3
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register: upload_result
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amazon.aws.aws_s3:
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s3_url: "{{ docker_backup_aws_s3_url }}"
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bucket: "{{ docker_backup_aws_s3_bucket }}"
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object: "{{ item.Name }}/{{ item.Name }}-{{ backup_time }}.tar.gz"
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src: "{{ docker_backup_host_backup_directory }}/{{ item.Name }}-{{ backup_time }}.tar.gz"
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aws_access_key: "{{ docker_backup_aws_s3_aws_access_key }}"
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aws_secret_key: "{{ docker_backup_aws_s3_aws_secret_key }}"
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region: "{{ docker_backup_aws_s3_region }}"
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mode: put
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encrypt: "{{ docker_backup_aws_s3_encrypt }}"
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permission: "{{ docker_backup_aws_s3_permissions }}"
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with_items: "{{ volume_mounts }}"
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# try and find latest volume based on the name.
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- name: Fetch Volumes From S3.
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when: docker_backup_retain_count is defined
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amazon.aws.aws_s3:
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bucket: "{{ docker_backup_aws_s3_bucket }}"
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mode: list
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prefix: "{{ item.Name }}/{{ item.Name }}"
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aws_access_key: "{{ docker_backup_aws_s3_aws_access_key }}"
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aws_secret_key: "{{ docker_backup_aws_s3_aws_secret_key }}"
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region: "{{ docker_backup_aws_s3_region }}"
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s3_url: "{{ docker_backup_aws_s3_url }}"
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register: s3_list_outputs
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with_items: "{{ volume_mounts }}"
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- name: Find keys to delete.
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when: docker_backup_retain_count is defined
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ansible.builtin.set_fact:
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s3_keys_to_delete: "{{ s3_list_outputs.results | map(attribute='s3_keys') | keep_last(docker_backup_retain_count) | flatten }}"
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- name: Delete old backups.
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when: docker_backup_retain_count is defined
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amazon.aws.aws_s3:
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bucket: "{{ docker_backup_aws_s3_bucket }}"
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aws_access_key: "{{ docker_backup_aws_s3_aws_access_key }}"
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aws_secret_key: "{{ docker_backup_aws_s3_aws_secret_key }}"
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region: "{{ docker_backup_aws_s3_region }}"
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s3_url: "{{ docker_backup_aws_s3_url }}"
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object: "{{ item }}"
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mode: delobj
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with_items: "{{ s3_keys_to_delete }}"
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