142 lines
2.9 KiB
Django/Jinja
142 lines
2.9 KiB
Django/Jinja
#!/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_dir="{{ s6_etc_dir }}"
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scan_dir="{{ s6_scan_dir }}"
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live_dir="{{ s6_live_dir }}"
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EX_UNAVAILABLE=69
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EX_CONFIG=78
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. /etc/rc.subr
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export PATH="$PATH:/usr/local/bin:/usr/local/sbin"
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name=s6-rc
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rcvar=s6_rc_enable
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extra_commands="reload"
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start_cmd="s6_rc_start &"
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stop_cmd="s6_rc_stop"
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reload_cmd="s6_rc_reload"
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status_cmd="s6_rc_status"
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s6_timeout=300 # seconds
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up_timeout=300000 # milliseconds
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down_timeout=300000 # milliseconds
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update_timeout=300000 # milliseconds
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s6_wait()
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{
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local i=0
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while ! s6-svscanctl -z "$scan_dir" 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 [ $i -gt 0 ]; then
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echo >&2
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fi
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return 0
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}
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s6_rc_init()
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{
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if [ ! -e "$live_dir" ]; then
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s6-rc-init -l "$live_dir" "$scan_dir"
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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 -l "$live_dir" -v 2 -u -t "$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 -l "$live_dir" -v 2 -d -a -t "$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_dir"
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echo "Compiling the s6-rc service definitions into a services database: $etc_dir/service -> $etc_dir/.compiled.$uuid."
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if ! s6-rc-compile -v 2 ".compiled.$uuid" service; then
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echo "Failed to compile the service definitions into a services database." >&2
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return $EX_CONFIG
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fi
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echo "Updating the running s6-rc service manager to the latest compiled services database: $etc_dir/.compiled.$uuid."
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if s6-rc-update -l "$live_dir" -v 2 -t $update_timeout "$etc_dir/.compiled.$uuid"; then
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echo "Marking the running services database as selected default configuration: .compiled.$uuid -> compiled."
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ln -shf ".compiled.$uuid" compiled
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echo "Deleting stale services databases."
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if ! find -s . -mindepth 1 -maxdepth 1 -type d -name '.compiled.*' -not -name ".compiled.$uuid" -print0 | xargs -0 rm -r; then
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echo "Failed to delete stale services databases." >&2
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return $EX_CONFIG
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fi
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else
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echo "Failed to update the running s6-rc manager to the latest service database." >&2
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return $EX_CONFIG
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fi
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}
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s6_rc_status()
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{
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local result=0
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# Check if s6-svscan is responsive by asking it to invoke its reaper (almost a NOP)
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if s6-svscanctl -z "$scan_dir" 2>/dev/null; then
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echo "The s6-svscan supervisor is responsive."
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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 "$live_dir" ]; then
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echo "The s6-rc service manager has been initialized."
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echo
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echo "These services are currently active:"
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s6-rc -l "$live_dir" -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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