fix: runner stability and resource limits (#8)
## Summary - Add 2G swap on runner to prevent OOM crashes - Limit job container memory to 1536MB - Restrict runner concurrency to 1 job at a time - Disable cache to avoid Docker network connectivity issues (`ETIMEDOUT 172.17.0.2`) - Configure job containers with `--add-host` for private network gitea resolution ## Test plan - [x] Runner survives Go builds that previously OOM-killed the server - [ ] Verify swap is active after fresh provision (`swapon --show`) - [ ] Confirm job containers respect memory limit 🤖 Generated with [Claude Code](https://claude.com/claude-code) Reviewed-on: #8 Co-authored-by: M.V. Hutz <git@maximhutz.me> Co-committed-by: M.V. Hutz <git@maximhutz.me>
This commit was merged in pull request #8.
This commit is contained in:
@@ -89,6 +89,46 @@
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- docker-buildx-plugin
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- docker-compose-plugin
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- name: Configure swap on runner.
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hosts: runner
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gather_facts: false
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tasks:
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- name: Create swapfile.
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ansible.builtin.command:
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cmd: fallocate -l 2G /swapfile
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creates: /swapfile
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- name: Set swapfile permissions.
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ansible.builtin.file:
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path: /swapfile
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mode: "0600"
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- name: Check if swap is active.
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ansible.builtin.command:
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cmd: swapon --show=NAME --noheadings
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register: swap_status
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changed_when: false
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- name: Format swapfile.
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ansible.builtin.command:
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cmd: mkswap /swapfile
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when: "'/swapfile' not in swap_status.stdout"
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changed_when: true
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- name: Enable swapfile.
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ansible.builtin.command:
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cmd: swapon /swapfile
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when: "'/swapfile' not in swap_status.stdout"
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changed_when: true
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- name: Add swapfile to fstab.
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ansible.posix.mount:
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path: none
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src: /swapfile
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fstype: swap
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opts: sw
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state: present
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- name: Register and start Gitea runner.
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hosts: runner
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gather_facts: false
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@@ -99,11 +139,6 @@
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gitea_hostname: "{{ server_fqdn.value }}"
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gitea_internal_url: "https://{{ gitea_hostname }}"
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tasks:
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- name: Remove stale runner data.
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community.docker.docker_volume:
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name: runner-data
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state: absent
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- name: Create runner data volume.
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community.docker.docker_volume:
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name: runner-data
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@@ -116,6 +151,13 @@
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content: |
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runner:
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insecure: true
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capacity: 1
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cache:
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enabled: false
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container:
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options: "--add-host {{ gitea_hostname }}:10.0.1.2 --memory=1536m"
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valid_volumes:
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- /var/run/docker.sock
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- name: Start Gitea runner container.
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community.docker.docker_container:
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144
vault.yml
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vault.yml
@@ -1,73 +1,73 @@
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Reference in New Issue
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