parent
a633061d30
commit
758e841e1e
693
ssm
693
ssm
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@ -2,16 +2,78 @@
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shopt -s nullglob
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shopt -s nullglob
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# Utility functions
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# Utility functions
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## Make setting default values a bit less awkward
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is_function() [[ $(type -t $1 2>/dev/null) == 'function' ]]
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default() {
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declare -n _p=$1; shift
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[[ "$_p" ]] || {
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var() {
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for v in "$@"; do
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declare varname=$1; shift
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_p+=( "$v" )
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done
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if ! is_function "$varname"; then
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}
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eval "
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}; readonly -f default
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${varname}() {
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declare mode=set
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declare -n _var=\"${varname}\"
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if (( \$# )); then
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case \"\$1\" in
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('=') mode=set;;
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('+=') mode=append;;
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('_=') mode=prepend;;
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(':=') mode=default;;
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('==') mode=compare;;
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('=~') mode=regex;;
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(*) die 71 \"Syntax error in \$FUNCNAME!\";;
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esac
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shift
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else
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mode='bool'
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fi
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case \"\$mode\" in
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(set) _var=( \"\$@\" );;
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(append) _var+=( \"\$@\" );;
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(prepend) _var=( \"\$@\" \"\${var[@]}\" );;
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(default) [[ \"\$_var\" ]] || _var=( \"\$@\" );;
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(compare) [[ \"\$_var\" == \"\$*\" ]];;
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(regex) [[ \"\$_var\" =~ \$@ ]];;
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(bool)
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case \"\${_var,,}\" in
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(''|'false'|'0') return 1;;
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(*) return 0;;
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esac
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;;
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esac
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}; readonly -f \"${varname}\"
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${varname}++() {
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declare -n _var=\"${varname}\"
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(( ${varname}++ ))
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}
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${varname}--() {
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declare -n _var=\"${varname}\"
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(( ${varname}-- ))
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}
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"
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fi
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if (( $# )); then
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case "$1" in
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('='|'=='|'=~'|'+='|'_='|':=')
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"$varname" "$@"
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;;
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(*)
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for v in "$@"; do
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var "$v"
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done
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;;
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esac
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fi
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}
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## Die. Why not?
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## Die. Why not?
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die() {
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die() {
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@ -24,6 +86,7 @@ die() {
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## Run the command and wait for it to die
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## Run the command and wait for it to die
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svc() {
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svc() {
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declare job_pid
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declare job_pid
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var job_pid
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svc::cleanup() {
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svc::cleanup() {
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kill -n "$service_stop_signal" "$job_pid"
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kill -n "$service_stop_signal" "$job_pid"
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@ -36,7 +99,7 @@ svc() {
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kill -n "$service_reload_signal" "$job_pid"
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kill -n "$service_reload_signal" "$job_pid"
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}; trap 'svc::reload' HUP
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}; trap 'svc::reload' HUP
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"$@" & job_pid=$!
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"$@" & job_pid = "$!"
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printf '%s' "$job_pid" > "$svc_pidfile"
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printf '%s' "$job_pid" > "$svc_pidfile"
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wait "$job_pid"
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wait "$job_pid"
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@ -46,7 +109,8 @@ svc() {
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## Respawn
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## Respawn
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respawn() {
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respawn() {
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declare jobs job_pid
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declare job_pid
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var job_pid
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respawn::cleanup() {
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respawn::cleanup() {
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kill -n "$service_stop_signal" "$job_pid"
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kill -n "$service_stop_signal" "$job_pid"
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@ -58,7 +122,10 @@ respawn() {
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}; trap 'respawn::cleanup' TERM
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}; trap 'respawn::cleanup' TERM
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respawn::sigpass() {
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respawn::sigpass() {
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declare sig=$1 pid=$2
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declare sig pid
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var sig = "$1"
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var pid = "$2"
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kill -n "$sig" "$pid"
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kill -n "$sig" "$pid"
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}
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}
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@ -69,7 +136,7 @@ respawn() {
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}; respawn::set_traps
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}; respawn::set_traps
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while true; do
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while true; do
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exec "$@" & job_pid=$!
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exec "$@" & job_pid = "$!"
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while nullexec kill -n 0 "$job_pid"; do
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while nullexec kill -n 0 "$job_pid"; do
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wait "$job_pid"
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wait "$job_pid"
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@ -83,39 +150,29 @@ readonly -f nullexec
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## Wait for a pid to die
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## Wait for a pid to die
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pid_wait() {
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pid_wait() {
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declare cnt=0
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declare cnt
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var cnt = 0
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while nullexec kill -0 "$1"; do
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while nullexec kill -0 "$1"; do
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(( cnt >= (service_stop_timeout*10) )) && return 1
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(( cnt >= (service_stop_timeout*10) )) && return 1
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sleep 0.1
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sleep 0.1
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(( cnt++ ))
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cnt++
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done
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done
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return 0
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return 0
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}; readonly -f pid_wait
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}; readonly -f pid_wait
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## See if NAME is a function
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is_function() {
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declare name=$1 name_type
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name_type=$( type -t "$name" )
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if [[ $name_type == 'function' ]]; then
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return 0
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fi
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return 1
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}; readonly -f is_function
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## Simple timer
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## Simple timer
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timer() {
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timer() {
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declare cnt=0 timeout=$1
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declare cnt timeout
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var cnt = 0
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var timeout = "$1"
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shift
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shift
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while ! "$@"; do
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while ! "$@"; do
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(( cnt >= (timeout*10) )) && return 1
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(( cnt >= (timeout*10) )) && return 1
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sleep 0.1
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sleep 0.1
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(( cnt++ ))
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cnt++
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done
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done
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return 0
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return 0
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@ -136,7 +193,7 @@ depend() {
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for s in "$@"; do
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for s in "$@"; do
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if ! "$_self" "$s" qstatus; then
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if ! "$_self" "$s" qstatus; then
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nullexec "$_self" "$s" start || {
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nullexec "$_self" "$s" start || {
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failed_deps+=( "$s" )
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failed_deps += "$s"
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return 1
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return 1
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}
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}
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fi
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fi
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@ -177,14 +234,14 @@ depend_ready() {
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for s in "$@"; do
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for s in "$@"; do
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"$_self" "$s" wait_ready || {
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"$_self" "$s" wait_ready || {
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failed_deps+=( "$s" )
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failed_deps += "$s"
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return 1
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return 1
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}
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}
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done
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done
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}; readonly -f depend_ready
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}; readonly -f depend_ready
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result() {
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result() {
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declare rc=$1; shift
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declare rc; var rc = "$1"; shift
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declare -A msgs
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declare -A msgs
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while (( $# )); do
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while (( $# )); do
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}; readonly -f result
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}; readonly -f result
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read_systemd_service() {
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read_systemd_service() {
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declare section key value
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declare section key value line
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var key value line
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while read -r line; do
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while read -r line; do
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[[ $line =~ ^\[(.+)\] ]] && section=${BASH_REMATCH[1],,}
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line =~ '^\[(.+)\]' && var section = "${BASH_REMATCH[1],,}"
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[[ $line =~ ^([^=]+)=(.+) ]] && {
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line =~ '^([^=]+)=(.+)' && {
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key=${BASH_REMATCH[1],,}
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key = "${BASH_REMATCH[1],,}"
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value=${BASH_REMATCH[2]}
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value = "${BASH_REMATCH[2]}"
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}
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}
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case $section in
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case $section in
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(service)
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(service)
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case $key in
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case $key in
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(pidfile) service_pidfile=$value;;
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(pidfile) service_pidfile = "$value";;
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(execstart) eval "service_command=( $value )";;
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(execstart) eval "service_command=( $value )";;
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(execstop) eval "stop() { $value; }";;
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(execstop) eval "stop() { $value; }";;
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(execreload) eval "reload() { $value; }";;
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(execreload) eval "reload() { $value; }";;
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(restart) [[ $value == 'always' ]] && service_respawn=1;;
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(restart) [[ $value == 'always' ]] && service_respawn = 1;;
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esac
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esac
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;;
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;;
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esac
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esac
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done < "$1"
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done < "$1"
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}
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}
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# Some DSL for the config
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setter() {
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for i in "$@"; do
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declare varname=$i
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eval "
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${varname}() {
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declare mode=set
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declare -n _var=${varname}
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while (( \$# )); do
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case \$1 in
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(=) mode=set;;
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(+=) mode=append;;
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(_=) mode=prepend;;
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(--) shift; break;;
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(*) break;;
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esac
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shift
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done
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case \$mode in
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(append) _var+=( \"\$@\" );;
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(prepend) _var=( \"\$@\" \"\${_var[@]}\" );;
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(set) _var=( \"\$@\" );;
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esac
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}; readonly -f ${varname}
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"
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done
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}; readonly setter
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setter \
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service_path \
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service_workdir \
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service_stop_timeout service_ready_timeout \
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service_stop_signal service_reload_signal service_signals \
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systemd systemd_service_path
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# Overloadable functions
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# Overloadable functions
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## Start the service, write down the svc pid
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## Start the service, write down the svc pid
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start() {
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start() {
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(( service_running )) && return 3
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service_running && return 3
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rm -f "$service_stopped_flag"
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rm -f "$service_stopped_flag"
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@ -274,8 +295,8 @@ start() {
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mktmpfiles || return 13
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mktmpfiles || return 13
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if (( service_managed )); then
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if service_managed; then
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if (( service_respawn )); then
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if service_respawn; then
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svc respawn "${service_command[@]}" &>"$service_logfile" &
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svc respawn "${service_command[@]}" &>"$service_logfile" &
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else
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else
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svc "${service_command[@]}" &>"$service_logfile" &
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svc "${service_command[@]}" &>"$service_logfile" &
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@ -286,9 +307,9 @@ start() {
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else
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else
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return 5
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return 5
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fi
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fi
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elif (( service_oneshot )); then
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elif service_oneshot; then
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"${service_command[@]}" &>"$service_logfile"; res=$?
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"${service_command[@]}" &>"$service_logfile"; res=$?
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(( $res )) && return "$res"
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(( res )) && return "$res"
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printf '1' > "$service_enabled_flag"
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printf '1' > "$service_enabled_flag"
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else
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else
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exec "${service_command[@]}" &
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exec "${service_command[@]}" &
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## Reload the service
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## Reload the service
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## Usually just sends HUP
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## Usually just sends HUP
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reload() {
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reload() {
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(( service_running )) || return 3
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service_running || return 3
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kill -n "$service_reload_signal" "$service_pid"
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kill -n "$service_reload_signal" "$service_pid"
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}
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}
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@ -309,14 +330,14 @@ reload() {
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## Returns:
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## Returns:
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## 3: Service is not running.
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## 3: Service is not running.
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stop() {
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stop() {
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if (( service_oneshot )); then
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if service_oneshot; then
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(( service_enabled )) || return 3
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service_enabled || return 3
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rm -f "$service_enabled_flag"
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rm -f "$service_enabled_flag"
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return 0
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return 0
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else
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else
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(( service_running )) || return 3
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service_running || return 3
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nullexec kill -n "$service_stop_signal" "$service_pid" || return 1
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nullexec kill -n "$service_stop_signal" "$service_pid" || return 1
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@ -328,34 +349,32 @@ stop() {
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}
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}
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info() {
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info() {
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declare \
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declare _status_label _status _type _info_items
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_status_label='Running' \
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var _status_label = 'Running'
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_status='no'
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var _status = 'no'
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_type='daemon'
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var _type = 'daemon'
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_info_items=()
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var _info_items
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(( service_oneshot )) && {
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service_oneshot && {
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_status_label='Enabled'
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_status_label = 'Enabled'
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_type='oneshot'
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_type = 'oneshot'
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}
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}
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status && _status='yes'
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status && _status = 'yes'
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_info_items=(
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_info_items = \
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"Name" "$service_name"
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"Name" "$service_name" \
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"Type" "$_type"
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"Type" "$_type" \
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"$_status_label" "$_status"
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"$_status_label" "$_status" \
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"Exec" "${service_command[*]} ${service_args[*]}"
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"Exec" "${service_command[*]} ${service_args[*]}" \
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"Respawn" "${service_respawn:-false}"
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"Respawn" "${service_respawn:-false}" \
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"Config path" "${service_config}"
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"Config path" "${service_config}" \
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)
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[[ "$_status" == 'yes' ]] && {
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if _status == 'yes'; then
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_info_items+=(
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_info_items += \
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"PIDfile" "${service_pidfile:-none}"
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"PIDfile" "${service_pidfile:-none}" \
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"PID" "${service_pid:-none}"
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"PID" "${service_pid:-none}"
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)
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fi
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}
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|
||||||
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|
||||||
printf "%12s: %s\n" "${_info_items[@]}"
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printf "%12s: %s\n" "${_info_items[@]}"
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}
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}
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|
@ -366,8 +385,8 @@ restart() {
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||||||
"$_self" "$service_name" start
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"$_self" "$service_name" start
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||||||
}
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}
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||||||
|
|
||||||
edit() { "${EDITOR:-vim}" "$service_config"; }
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edit() { $EDITOR "$service_config"; }
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logs() { ${PAGER:-less} "$service_logfile"; }
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logs() { $PAGER "$service_logfile"; }
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|
|
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## Status is a bit of a special case. It's talkative.
|
## Status is a bit of a special case. It's talkative.
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status() {
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status() {
|
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|
|
@ -385,234 +404,260 @@ qstatus() { nullexec status; }
|
||||||
ready() { :; }
|
ready() { :; }
|
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|
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# Main code
|
# Main code
|
||||||
main() {
|
# Figure out our full path
|
||||||
# Figure out our full path
|
case "$0" in
|
||||||
case "$0" in
|
(/*) var _self = "$0";;
|
||||||
(/*) _self=$0;;
|
(*) var _self = "$PWD/$0";;
|
||||||
(*) _self="$PWD/$0";;
|
esac
|
||||||
esac
|
|
||||||
|
|
||||||
# Needs to be global
|
# check for some environment stuff
|
||||||
declare -g service_pid
|
var EDITOR := 'vim'
|
||||||
|
var PAGER := 'less'
|
||||||
|
|
||||||
# Let's set some defaults
|
# Empty declarations
|
||||||
service_managed=1
|
var service_pid
|
||||||
usrdir='/usr/share/ssm'
|
var service_pidfile
|
||||||
systemd_service_path=( /etc/systemd/system /run/systemd/system /lib/systemd/system )
|
var service_type
|
||||||
|
var service_depends_ready
|
||||||
|
var service_command
|
||||||
|
var service_config
|
||||||
|
var service_path
|
||||||
|
var service_name
|
||||||
|
var service_args
|
||||||
|
var service_logfile
|
||||||
|
var service_ready_flag
|
||||||
|
var service_enabled_flag
|
||||||
|
var service_stopped_flag
|
||||||
|
var failed_deps
|
||||||
|
var svc_pidfile
|
||||||
|
var cfg_path
|
||||||
|
var cfg_dir
|
||||||
|
var rundir
|
||||||
|
var logdir
|
||||||
|
|
||||||
# XDG stuff
|
# Let's set some defaults
|
||||||
default XDG_CONFIG_HOME "$HOME/.config"
|
var service_managed = 0
|
||||||
default XDG_RUNTIME_DIR "/run/user/$UID"
|
var service_respawn = 0
|
||||||
|
var service_oneshot = 0
|
||||||
|
var service_running = 0
|
||||||
|
var service_enabled = 0
|
||||||
|
var service_stopped = 0
|
||||||
|
var service_systemd = 0
|
||||||
|
var service_workdir = '/'
|
||||||
|
var service_stop_timeout = 30
|
||||||
|
var service_ready_timeout = 15
|
||||||
|
var service_stop_signal = 15
|
||||||
|
var service_reload_signal = 1
|
||||||
|
var service_signals = 1 10 12
|
||||||
|
var systemd = 0
|
||||||
|
var systemd_service_path = /etc/systemd/system /run/systemd/system /lib/systemd/system
|
||||||
|
var ssm_config = 0
|
||||||
|
var usrdir = '/usr/share/ssm'
|
||||||
|
|
||||||
if (( $UID )); then
|
# XDG stuff
|
||||||
rundir="$XDG_RUNTIME_DIR/ssm"
|
var XDG_CONFIG_HOME := "$HOME/.config"
|
||||||
logdir="$HOME/log/ssm"
|
var XDG_RUNTIME_DIR := "/run/user/$UID"
|
||||||
else
|
|
||||||
rundir='/run/ssm'
|
if (( $UID )); then
|
||||||
logdir='/var/log/ssm'
|
rundir = "$XDG_RUNTIME_DIR/ssm"
|
||||||
|
logdir = "$HOME/log/ssm"
|
||||||
|
else
|
||||||
|
rundir = '/run/ssm'
|
||||||
|
logdir = '/var/log/ssm'
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Warn the user of deprecated stuff.
|
||||||
|
for p in "/etc/ssm/init.d" "$XDG_CONFIG_HOME/ssm/init.d"; do
|
||||||
|
if [[ -d "$p" ]]; then
|
||||||
|
printf 'WARNING: `%s` was renamed to `%s`! Please move your scripts accordingly!\n' "$p" "${p%init.d}services" >&2
|
||||||
|
service_path += "$p"
|
||||||
fi
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
# Warn the user of deprecated stuff.
|
# Common service path
|
||||||
for p in "/etc/ssm/init.d" "$XDG_CONFIG_HOME/ssm/init.d"; do
|
service_path += "$XDG_CONFIG_HOME/ssm/services" '/etc/ssm/services' "$rundir/services" "$usrdir/services"
|
||||||
if [[ -d "$p" ]]; then
|
|
||||||
printf 'WARNING: `%s` was renamed to `%s`! Please move your scripts accordingly!\n' "$p" "${p%init.d}services" >&2
|
|
||||||
service_path+=( "$p" )
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
|
|
||||||
# Common service path
|
# Common config path
|
||||||
service_path+=( "$XDG_CONFIG_HOME/ssm/services" '/etc/ssm/services' "$rundir/services" "$usrdir/services" )
|
cfg_path = "$XDG_CONFIG_HOME/ssm" '/etc/ssm'
|
||||||
|
|
||||||
# Common config path
|
# Load custom config and functions, reversing the PATH order
|
||||||
cfg_path+=( "$XDG_CONFIG_HOME/ssm" '/etc/ssm' )
|
for (( idx=${#cfg_path[@]}-1; idx>=0; idx-- )); do
|
||||||
|
cfg_dir = "${cfg_path[idx]}"
|
||||||
|
|
||||||
# Load custom config and functions, reversing the PATH order
|
ssm_config || {
|
||||||
for (( idx=${#cfg_path[@]}-1; idx>=0; idx-- )); do
|
[[ -f "$cfg_dir/ssm.conf" ]] && {
|
||||||
cfg_dir="${cfg_path[idx]}"
|
source "$cfg_dir/ssm.conf" || die 37 "Failed to load config: $cfg_dir/ssm.conf"
|
||||||
|
ssm_config = 1
|
||||||
(( ssm_config )) || {
|
|
||||||
[[ -f "$cfg_dir/ssm.conf" ]] && {
|
|
||||||
source "$cfg_dir/ssm.conf" || die 37 "Failed to load config: $cfg_dir/ssm.conf"
|
|
||||||
ssm_config=1
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
for f in "$cfg_dir/functions"/*; do
|
|
||||||
source "$f" || die 9 "Failed to source functions from $f"
|
|
||||||
done
|
|
||||||
done
|
|
||||||
|
|
||||||
|
|
||||||
# Now create the needed runtime stuff
|
|
||||||
for d in "$rundir" "$logdir"; do
|
|
||||||
mkdir -p "$d" || die 3 "Failed to create runtime dir: $d"
|
|
||||||
done
|
|
||||||
|
|
||||||
# If $1 is a full path, source it.
|
|
||||||
# If not, search for it in the service path.
|
|
||||||
if [[ $1 == /* ]]; then
|
|
||||||
service_config=$1
|
|
||||||
else
|
|
||||||
for i in "${service_path[@]/%//$1}"; do
|
|
||||||
[[ -f "$i" ]] && {
|
|
||||||
service_config=$i
|
|
||||||
break
|
|
||||||
}
|
|
||||||
done
|
|
||||||
|
|
||||||
[[ $service_config ]] || {
|
|
||||||
# Search for a systemd service too
|
|
||||||
(( systemd )) && {
|
|
||||||
for i in "${systemd_service_path[@]/%//$1.service}"; do
|
|
||||||
[[ -f "$i" ]] && {
|
|
||||||
service_name=$1
|
|
||||||
service_systemd=1
|
|
||||||
service_config=$i
|
|
||||||
read_systemd_service "$i"
|
|
||||||
break
|
|
||||||
}
|
|
||||||
done
|
|
||||||
}
|
|
||||||
}
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Die if there is no service config file
|
|
||||||
[[ "$service_config" ]] || die 19 "Service not found: $1"
|
|
||||||
|
|
||||||
# We can handle other people's service configs, poorly
|
|
||||||
if (( service_systemd )); then
|
|
||||||
# I'm pretty sure we'll need this
|
|
||||||
:
|
|
||||||
else
|
|
||||||
# Service name is the basename
|
|
||||||
service_name="${1##*/}"
|
|
||||||
|
|
||||||
# Get the service defaults
|
|
||||||
for p in "${cfg_path[@]/%//$service_name}"; do
|
|
||||||
[[ -f "$p" ]] && {
|
|
||||||
source "$p" || die 5 "Failed to read service defaults: $p"
|
|
||||||
}
|
|
||||||
done
|
|
||||||
|
|
||||||
# Get the service config
|
|
||||||
source -- "$service_config" "${@:3}" || die 7 "Failed to read the service config: $service_config"
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Legacy
|
|
||||||
[[ "$service_args" ]] && service_command=( "${service_command[@]}" "${service_args[@]}" )
|
|
||||||
[[ "$service_respawn" == 'true' ]] && service_respawn=1
|
|
||||||
[[ "$service_type" == 'oneshot' ]] && service_oneshot=1
|
|
||||||
|
|
||||||
(( service_oneshot )) && service_managed=0
|
|
||||||
[[ "$service_pidfile" ]] && service_managed=0
|
|
||||||
|
|
||||||
if ! (( service_managed )); then
|
|
||||||
(( service_respawn )) && die 21 "Refusing to respawn a service that manages itself."
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Semi-hardcoded stuff
|
|
||||||
svc_pidfile="$rundir/$service_name.pid"
|
|
||||||
|
|
||||||
# Service-level defaults
|
|
||||||
default service_pidfile "$svc_pidfile"
|
|
||||||
default service_logfile "$logdir/$service_name.log"
|
|
||||||
default service_ready_flag "$rundir/$service_name.ready"
|
|
||||||
default service_enabled_flag "$rundir/$service_name.enabled"
|
|
||||||
default service_stopped_flag "$rundir/$service_name.stopped"
|
|
||||||
default service_workdir '/'
|
|
||||||
default service_stop_timeout 30
|
|
||||||
default service_ready_timeout 15
|
|
||||||
default service_stop_signal 15
|
|
||||||
default service_reload_signal 1
|
|
||||||
default service_signals 1 10 12
|
|
||||||
|
|
||||||
# Let's see if there's a PID
|
|
||||||
if [[ -f "$service_pidfile" ]]; then
|
|
||||||
service_pid=$(<$service_pidfile)
|
|
||||||
|
|
||||||
# Let's see if it's running
|
|
||||||
if nullexec kill -0 "$service_pid"; then
|
|
||||||
service_running=1
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Maybe the service is enabled?
|
|
||||||
if [[ -f "$service_enabled_flag" ]]; then
|
|
||||||
# Yay, it is!
|
|
||||||
service_enabled=1
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Let's see if the service was deliberately stopped
|
|
||||||
if [[ -f "$service_stopped_flag" ]]; then
|
|
||||||
# Ooh, it was.
|
|
||||||
service_stopped=1
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Check if action is even defined
|
|
||||||
is_function "$2" || die 17 "Function $2 is not defined for $service_name."
|
|
||||||
|
|
||||||
# cd into the workdir, if defined.
|
|
||||||
[[ "$service_workdir" ]] && {
|
|
||||||
cd "$service_workdir" || die $?
|
|
||||||
}
|
}
|
||||||
|
|
||||||
# Run pre_$action function
|
for f in "$cfg_dir/functions"/*; do
|
||||||
if is_function "pre_$2"; then
|
source "$f" || die 9 "Failed to source functions from $f"
|
||||||
"pre_$2" || {
|
done
|
||||||
printf 'pre_%s failed!\n' "$2"
|
done
|
||||||
die 13
|
|
||||||
|
# Now create the needed runtime stuff
|
||||||
|
for d in "$rundir" "$logdir"; do
|
||||||
|
mkdir -p "$d" || die 3 "Failed to create runtime dir: $d"
|
||||||
|
done
|
||||||
|
|
||||||
|
# If $1 is a full path, source it.
|
||||||
|
# If not, search for it in the service path.
|
||||||
|
if [[ $1 == /* ]]; then
|
||||||
|
service_config = "$1"
|
||||||
|
else
|
||||||
|
for i in "${service_path[@]/%//$1}"; do
|
||||||
|
[[ -f "$i" ]] && {
|
||||||
|
service_config = "$i"
|
||||||
|
break
|
||||||
}
|
}
|
||||||
fi
|
done
|
||||||
|
|
||||||
# Run the function
|
service_config || {
|
||||||
"$2"; res=$?
|
# Search for a systemd service too
|
||||||
|
systemd && {
|
||||||
|
for i in "${systemd_service_path[@]/%//$1.service}"; do
|
||||||
|
[[ -f "$i" ]] && {
|
||||||
|
var service_name = "$1"
|
||||||
|
var service_systemd = 1
|
||||||
|
var service_config = "$i"
|
||||||
|
|
||||||
case "$2" in
|
read_systemd_service "$i"
|
||||||
stop)
|
break
|
||||||
result "$res" \
|
}
|
||||||
0 "Stopped $service_name" \
|
done
|
||||||
3 "$service_name is not running" \
|
|
||||||
5 "Operation timed out"
|
|
||||||
;;
|
|
||||||
|
|
||||||
start)
|
|
||||||
result "$res" \
|
|
||||||
0 "Started $service_name" \
|
|
||||||
3 "$service_name is already running" \
|
|
||||||
5 "Readyness check for $service_name timed out" \
|
|
||||||
7 "Failed to start dependencies for $service_name: ${failed_deps[@]}" \
|
|
||||||
9 "service_command does not exist: ${service_command[0]}" \
|
|
||||||
13 "Failed to create temporary files for $service_name"
|
|
||||||
;;
|
|
||||||
|
|
||||||
reload)
|
|
||||||
result "$res" \
|
|
||||||
0 "Reloaded $service_name"
|
|
||||||
;;
|
|
||||||
|
|
||||||
status)
|
|
||||||
if (( service_oneshot )); then
|
|
||||||
result "$res" \
|
|
||||||
0 "$service_name is enabled" \
|
|
||||||
1 "$service_name is not enabled"
|
|
||||||
else
|
|
||||||
result "$res" \
|
|
||||||
0 "$service_name is running" \
|
|
||||||
1 "$service_name is not running" \
|
|
||||||
7 "$service_name was stopped"
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
|
|
||||||
(( res )) && return "$res"
|
|
||||||
|
|
||||||
# Run post_$action function
|
|
||||||
if is_function "post_$2"; then
|
|
||||||
"post_$2" || {
|
|
||||||
printf 'post_%s failed!\n' "$2"
|
|
||||||
die 15
|
|
||||||
}
|
}
|
||||||
fi
|
}
|
||||||
}; readonly -f main
|
fi
|
||||||
|
|
||||||
main "$@"
|
# Die if there is no service config file
|
||||||
|
service_config || die 19 "Service not found: $1"
|
||||||
|
|
||||||
|
# We can handle other people's service configs, poorly
|
||||||
|
if service_systemd; then
|
||||||
|
# I'm pretty sure we'll need this
|
||||||
|
:
|
||||||
|
else
|
||||||
|
# Service name is the basename
|
||||||
|
service_name = "${1##*/}"
|
||||||
|
|
||||||
|
# Get the service defaults
|
||||||
|
for p in "${cfg_path[@]/%//$service_name}"; do
|
||||||
|
[[ -f "$p" ]] && {
|
||||||
|
source "$p" || die 5 "Failed to read service defaults: $p"
|
||||||
|
}
|
||||||
|
done
|
||||||
|
|
||||||
|
# Get the service config
|
||||||
|
source -- "$service_config" "${@:3}" || die 7 "Failed to read the service config: $service_config"
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Legacy
|
||||||
|
service_args && service_command += "${service_args[@]}"
|
||||||
|
service_respawn == 'true' && service_respawn = 1
|
||||||
|
service_type == 'oneshot' && service_oneshot = 1
|
||||||
|
|
||||||
|
service_oneshot && service_managed = 0
|
||||||
|
service_pidfile && service_managed = 0
|
||||||
|
|
||||||
|
if ! service_managed; then
|
||||||
|
service_respawn && die 21 "Refusing to respawn a service that manages itself."
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Semi-hardcoded stuff
|
||||||
|
svc_pidfile = "$rundir/$service_name.pid"
|
||||||
|
|
||||||
|
# Service-level defaults
|
||||||
|
service_pidfile := "$svc_pidfile"
|
||||||
|
service_logfile := "$logdir/$service_name.log"
|
||||||
|
service_ready_flag := "$rundir/$service_name.ready"
|
||||||
|
service_enabled_flag := "$rundir/$service_name.enabled"
|
||||||
|
service_stopped_flag := "$rundir/$service_name.stopped"
|
||||||
|
|
||||||
|
# Let's see if there's a PID
|
||||||
|
if [[ -f "$service_pidfile" ]]; then
|
||||||
|
service_pid = "$(<$service_pidfile)"
|
||||||
|
|
||||||
|
# Let's see if it's running
|
||||||
|
if nullexec kill -0 "$service_pid"; then
|
||||||
|
service_running = 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Maybe the service is enabled?
|
||||||
|
if [[ -f "$service_enabled_flag" ]]; then
|
||||||
|
# Yay, it is!
|
||||||
|
service_enabled = 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Let's see if the service was deliberately stopped
|
||||||
|
if [[ -f "$service_stopped_flag" ]]; then
|
||||||
|
# Ooh, it was.
|
||||||
|
service_stopped = 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Check if action is even defined
|
||||||
|
is_function "$2" || die 17 "Function $2 is not defined for $service_name."
|
||||||
|
|
||||||
|
# cd into the workdir, if defined.
|
||||||
|
service_workdir && {
|
||||||
|
cd "$service_workdir" || die $?
|
||||||
|
}
|
||||||
|
|
||||||
|
# Run pre_$action function
|
||||||
|
if is_function "pre_$2"; then
|
||||||
|
"pre_$2" || {
|
||||||
|
printf 'pre_%s failed!\n' "$2"
|
||||||
|
die 13
|
||||||
|
}
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Run the function
|
||||||
|
"$2"; res=$?
|
||||||
|
|
||||||
|
case "$2" in
|
||||||
|
stop)
|
||||||
|
result "$res" \
|
||||||
|
0 "Stopped $service_name" \
|
||||||
|
3 "$service_name is not running" \
|
||||||
|
5 "Operation timed out"
|
||||||
|
;;
|
||||||
|
|
||||||
|
start)
|
||||||
|
result "$res" \
|
||||||
|
0 "Started $service_name" \
|
||||||
|
3 "$service_name is already running" \
|
||||||
|
5 "Readyness check for $service_name timed out" \
|
||||||
|
7 "Failed to start dependencies for $service_name: ${failed_deps[@]}" \
|
||||||
|
9 "service_command does not exist: ${service_command[0]}" \
|
||||||
|
13 "Failed to create temporary files for $service_name"
|
||||||
|
;;
|
||||||
|
|
||||||
|
reload)
|
||||||
|
result "$res" \
|
||||||
|
0 "Reloaded $service_name"
|
||||||
|
;;
|
||||||
|
|
||||||
|
status)
|
||||||
|
if service_oneshot; then
|
||||||
|
result "$res" \
|
||||||
|
0 "$service_name is enabled" \
|
||||||
|
1 "$service_name is not enabled"
|
||||||
|
else
|
||||||
|
result "$res" \
|
||||||
|
0 "$service_name is running" \
|
||||||
|
1 "$service_name is not running" \
|
||||||
|
7 "$service_name was stopped"
|
||||||
|
fi
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
|
||||||
|
(( res )) && return "$res"
|
||||||
|
|
||||||
|
# Run post_$action function
|
||||||
|
if is_function "post_$2"; then
|
||||||
|
"post_$2" || {
|
||||||
|
printf 'post_%s failed!\n' "$2"
|
||||||
|
die 15
|
||||||
|
}
|
||||||
|
fi
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue