Add a s6-rc role
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Crest
parent
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commit
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---
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- name: Reload /etc/ttys
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command: kill -HUP 1
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---
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- name: Install packages
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package:
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name: s6-rc
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- name: Create s6-rc directories
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file:
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path: '{{ item }}'
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state: directory
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owner: root
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group: wheel
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mode: 0755
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with_items:
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- /etc/s6-rc
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- /etc/s6-rc/service
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- /etc/s6-rc/service/enabled
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- name: Define enabled services bundle
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copy:
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dest: /etc/s6-rc/service/enabled/type
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content: bundle
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owner: root
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group: wheel
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mode: 0444
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- name: Default to an empty set of enabled servics
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file:
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path: /etc/s6-rc/service/enabled/contents
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state: touch
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owner: root
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group: wheel
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mode: 0644
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changed_when: false
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- name: Pick a UUID
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command: uuidgen
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register: uuidgen
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changed_when: false
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- name: Expose the UUID as fact
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set_fact:
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s6_uuid: '{{ uuidgen.stdout }}'
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changed_when: false
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- name: Compile the s6 service definitions
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command: >
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s6-rc-compile -v 2 .compiled.{{ s6_uuid }} service
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args:
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creates: /etc/s6-rc/compiled
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chdir: /etc/s6-rc
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- name: Link to the latest service database
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command: >
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env ln -shf .compiled.{{ s6_uuid }} compiled
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args:
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creates: /etc/s6-rc/compiled
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chdir: /etc/s6-rc
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- name: Make sure that tmpfs support is loaded early
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lineinfile:
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path: /boot/loader.conf
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regexp: '^tmpfs_load='
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line: 'tmpfs_load="YES"'
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- name: Add /run to fstab
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mount:
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path: /run
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src: tmpfs
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fstype: tmpfs
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opts: rw,size=128m,mode=755
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state: mounted
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- name: Generate s6-svscan startup script
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template:
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dest: /etc/s6-rc/scan
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src: scan.j2
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owner: root
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group: wheel
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mode: 0555
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- name: Start s6-svscan from /etc/ttys
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lineinfile:
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path: /etc/ttys
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regexp: '^null'
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line: 'null "/etc/s6-rc/scan" vt100 on secure'
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notify:
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- Reload /etc/ttys
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- name: Install s6-rc rc.d script
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template:
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dest: /usr/local/etc/rc.d/s6-rc
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src: s6-rc.j2
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owner: root
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group: wheel
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mode: 0555
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- name: Flush handlers
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meta: flush_handlers
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- name: Starting s6-rc
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service:
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name: s6-rc
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state: started
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enabled: yes
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- name: Create s6-log group
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group:
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name: s6-log
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gid: 20000
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- name: Create s6-log user
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user:
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name: s6-log
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uid: 20000
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group: s6-log
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create_home: no
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home: /var/empty
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shell: /bin/sh
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@ -0,0 +1,124 @@
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#!/bin/sh
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# {{ ansible_managed }}
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# PROVIDE: s6-rc
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# REQUIRE: NETWORKING daemon
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# KEYWORD: shutdown
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. /etc/rc.subr
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export PATH="$PATH:/usr/local/bin:/usr/local/sbin"
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name=s6-rc
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rcvar=s6_rc_enable
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extra_commands="reload"
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start_cmd="s6_rc_start &"
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stop_cmd="s6_rc_stop"
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reload_cmd="s6_rc_reload"
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status_cmd="s6_rc_status"
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s6_timeout=300 # seconds
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up_timeout=300000 # milliseconds
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down_timeout=300000 # milliseconds
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update_timeout=300000 # milliseconds
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s6_wait()
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{
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local i=0
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while ! s6-svscanctl -z /run/service 2>/dev/null; do
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if [ $i -ge $s6_timeout ]; then
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echo "Timeout waiting for s6-svscan." >&2
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return 1
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fi
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if [ $i -eq 0 ]; then
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echo -n "Waiting for s6-svscan." >&2
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else
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echo -n . >&2
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fi
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sleep 1
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i=$((i + 1))
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done
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if [ $i -gt 0 ]; then
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echo >&2
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fi
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return 0
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}
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s6_rc_init()
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{
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if [ ! -e /run/s6-rc ]; then
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s6-rc-init /run/service
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fi
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}
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s6_rc_up()
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{
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s6-rc -v 2 -u -t $up_timeout change enabled
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}
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s6_rc_down()
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{
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s6-rc -v 2 -d -a -t $down_timeout change
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}
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s6_rc_start()
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{
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if ! s6_wait; then
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return 1
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fi
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s6_rc_init
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s6_rc_up
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}
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s6_rc_stop()
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{
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s6_rc_down
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}
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s6_rc_reload()
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{
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local uuid="$(uuidgen)"
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cd /etc/s6-rc
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echo "Compiling new s6-rc service database."
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s6-rc-compile -v 2 ".compiled.$uuid" service
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if s6-rc-update -v 2 -t $update_timeout "/etc/s6-rc/.compiled.$uuid"; then
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ln -shf ".compiled.$uuid" compiled
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echo "Updated s6-rc service database."
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fi
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echo "Deleting old service databases."
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find -s . -mindepth 1 -maxdepth 1 -type d -name '.compiled.*' -not -name ".compiled.$uuid" -print0 | xargs -0 rm -r
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}
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s6_rc_status()
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{
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local result=0
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if s6-svscanctl -z /run/service 2>/dev/null; then
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echo "The s6-svscan supervisor is responsible."
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else
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echo "The s6-svscan supervisor is unavailable."
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result=1
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fi
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if [ -e /run/s6-rc ]; then
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echo "The s6-rc service manager is initialized."
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echo
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echo "These services are currently active:"
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s6-rc -a list
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else
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echo "The s6-rc service manager is uninitalized."
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result=1
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fi
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return $result
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}
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load_rc_config $name
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run_rc_command "$1"
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@ -0,0 +1,6 @@
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#!/bin/sh -e
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
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install -d -o root -g wheel -m 755 /run/service
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exec s6-svscan -s /run/service
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