111 lines
3.3 KiB
YAML
111 lines
3.3 KiB
YAML
---
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# 2026-10-17 Hyperling
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# Allow pushing a local port to a remote server automagically in a runit script.
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# ssh -N -p SSH_PORT -R REMOTE_PORT:localhost:LOCAL_PORT USER@REMOTE_HOST -v
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- name: General | Tunnel | Provisioned Variables
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ansible.builtin.debug:
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var: "{{ item }}"
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loop:
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- tunnel_local_port
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- tunnel_remote_host
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- tunnel_remote_port
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- tunnel_ssh_port
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- name: General | Tunnel | Facts
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ansible.builtin.set_fact:
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tunnel_service_name: tunnel
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- name: General | Tunnel | Packages [pacman]
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ansible.builtin.package:
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name:
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- openbsd-netcat
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state: present
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when: ansible_pkg_mgr == "pacman"
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- name: General | Tunnel | Packages [apt]
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ansible.builtin.package:
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name:
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- netcat-openbsd
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state: present
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when: ansible_pkg_mgr == "apt"
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- name: General | Tunnel | runit
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block:
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- name: General | Tunnel | runit | mkdir | /etc/sv
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ansible.builtin.file:
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path: /etc/sv/{{ tunnel_service_name }}
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state: directory
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mode: "0755"
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- name: General | Tunnel | runit | mkdir | /etc/sv log
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ansible.builtin.file:
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path: /etc/sv/{{ tunnel_service_name }}/log
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state: directory
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mode: "0755"
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- name: General | Tunnel | runit | mkdir | /var/log
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ansible.builtin.file:
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path: /var/log/{{ tunnel_service_name }}
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state: directory
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mode: "0755"
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- name: General | Tunnel | runit | Script | Run
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ansible.builtin.copy:
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dest: /etc/sv/{{ tunnel_service_name }}/run
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content: |
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#!/bin/sh -e
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exec 2>&1
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# Health check to ensure connection does not go stale.
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while true; do
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sleep 300
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echo -n "RUN-LOOP: "
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nc -zv {{ tunnel_remote_host }} {{ tunnel_remote_port }}
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status="$?"
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echo "RUN-LOOP: Port check returned ${status}."
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if [[ "$status" != 0 ]]; then
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echo "RUN-LOOP: Restarting service."
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sv restart {{ tunnel_service_name }}
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fi
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echo "RUN-LOOP: Going back to sleep."
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done &
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# Do not use `exec` here otherwise the loop may get killed.
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chpst -u {{ user }} ssh -v -N \
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-R {{ tunnel_remote_port }}:localhost:{{ tunnel_local_port }} \
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-p {{ tunnel_ssh_port }} {{ tunnel_remote_host }}
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mode: "0755"
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- name: General | Tunnel | runit | Script | Finish
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ansible.builtin.copy:
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dest: /etc/sv/{{ tunnel_service_name }}/finish
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content: |
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{{ runit_finish_sleep }}
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mode: "0755"
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- name: General | Tunnel | runit | Script | Log
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ansible.builtin.copy:
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dest: /etc/sv/{{ tunnel_service_name }}/log/run
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content: |
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#!/bin/sh -e
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exec svlogd -tt /var/log/{{ tunnel_service_name }}
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mode: "0755"
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- name: General | Tunnel | runit | Script | Log Config
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ansible.builtin.copy:
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dest: /var/log/{{ tunnel_service_name }}/config
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content: |
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{{ runit_log_config_10mb }}
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mode: "0755"
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- name: General | Tunnel | runit | Service | Enable
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ansible.builtin.service:
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name: "{{ tunnel_service_name }}"
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state: "{{ 'started' if tunnel_remote_host else 'stopped' }}"
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enabled: "{{ true if tunnel_remote_host else false }}"
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when: ansible_service_mgr == "runit"
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