Lucas WintherandClaude Opus 5
7b52e9af9e
One role that syncs a payload and brings the stack up, configured entirely through stack_* variables, plus six playbooks that each demonstrate one part of that contract. Every playbook runs standalone and is tagged with its stack name, so site.yml --tags <stack> works. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
54 lines
2.2 KiB
YAML
54 lines
2.2 KiB
YAML
---
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# The variable contract. Playbooks set these; nothing else should. Every entry is
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# documented in AGENTS.md — keep the two in step.
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# Required. Names the stack, and by default its payload and destination too.
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stack_name: ""
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# Payload directory in this repository, and where it lands on the host. Override
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# stack_src to share one payload between hosts or between two instances of the
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# same application; override stack_dest when the remote directory cannot be
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# named after the stack.
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stack_src: "{{ repo_root }}/server/{{ inventory_hostname }}/{{ stack_name }}"
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stack_dest: "{{ stack_root | default('/srv/stacks') }}/{{ stack_name }}"
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# Extra directories to create before the stack starts. Each entry needs a `path`;
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# `mode`, `owner`, `group` and `recurse` are optional and applied only when
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# given, so a directory that already exists on the host is never re-chmodded or
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# re-chowned.
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stack_dirs: []
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# Extra environment for the compose invocation. PWD is always set to stack_dest;
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# anything here is merged on top.
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stack_env: {}
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# External Docker networks the compose file expects to already exist.
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stack_networks: []
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# Compose files, relative to stack_dest, in the order `docker compose -f` wants.
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stack_files:
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- docker-compose.yml
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# Never ship secrets to the host through the payload. Extend this list; do not
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# replace it without understanding what you are letting through.
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stack_exclude:
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- .env
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# Whether the sync removes host files that are no longer in the payload. Off by
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# default: a stack's directory usually also holds data the payload knows nothing
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# about (bind mounts, certificates, logs).
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stack_prune: false
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# present, absent, or restarted.
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stack_state: present
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# Image pull policy for this invocation. Defaults to the repo-wide `pull` flag so
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# `-e pull=always` keeps working, but because it is a role variable a playbook
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# can override it for a single call — for example to sync with the old images,
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# run a database upgrade, and only then bring the stack up on the new ones.
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stack_pull: "{{ pull | default('policy') }}"
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# Compose build policy. `policy` builds only when the image is missing; stacks
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# that build from a Dockerfile in their payload want `always` on an update run.
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stack_build: policy
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