Sergei Poljanski
33fbc06681
grep -v exits 1 when it prints nothing, and with pipefail that failed the task on both hosts, although the crontab had been rewritten correctly. Ignore grep's exit status. Assisted-by: Claude:fable-5-2
76 lines
2.1 KiB
YAML
76 lines
2.1 KiB
YAML
---
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# Host baseline shared by both servers. Users, Docker itself and the
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# first-boot packages come from terraform/cloud-init; SSH and WireGuard
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# have their own bootstrap playbooks.
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- name: Install baseline packages
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ansible.builtin.apt:
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name:
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- unattended-upgrades
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- fail2ban
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state: present
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- name: Enable unattended security upgrades
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ansible.builtin.copy:
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src: 20auto-upgrades
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dest: /etc/apt/apt.conf.d/20auto-upgrades
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mode: "0644"
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- name: Keep fail2ban running (sshd jail from the Debian defaults)
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ansible.builtin.systemd:
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name: fail2ban
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enabled: true
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state: started
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- name: Create journald drop-in directory
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ansible.builtin.file:
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path: /etc/systemd/journald.conf.d
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state: directory
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mode: "0755"
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- name: Cap the journal size
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ansible.builtin.copy:
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dest: /etc/systemd/journald.conf.d/size.conf
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content: |
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[Journal]
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SystemMaxUse={{ journald_max_use }}
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mode: "0644"
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notify: Restart journald
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- name: Configure the Docker daemon
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ansible.builtin.copy:
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src: daemon.json
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dest: /etc/docker/daemon.json
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mode: "0644"
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notify: Restart docker
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# dockerd must only listen on its unix socket. A drop-in once added
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# -H tcp://<vpc ip>:2375, which gave every container on the private
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# network unauthenticated root on this host.
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- name: Remove any Docker systemd override
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ansible.builtin.file:
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path: /etc/systemd/system/docker.service.d/override.conf
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state: absent
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notify: Restart docker
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- name: Prune unused Docker images weekly
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ansible.builtin.copy:
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dest: /etc/cron.d/docker-image-prune
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content: |
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{{ docker_prune_schedule }} root docker image prune -af > /var/log/docker-prune.log 2>&1
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mode: "0644"
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- name: Check for the old prune entry in root's crontab
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ansible.builtin.command: crontab -l
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register: root_crontab
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changed_when: false
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failed_when: false
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check_mode: false
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- name: Drop the old prune entry from root's crontab
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ansible.builtin.shell: |
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set -o pipefail
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crontab -l | { grep -v 'docker image prune' || true; } | crontab -
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args:
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executable: /bin/bash
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when: "'docker image prune' in root_crontab.stdout"
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