3 # procd_open_service(name, [script]):
4 # Initialize a new procd command message containing a service with one or more instances
6 # procd_close_service()
7 # Send the command message for the service
9 # procd_open_instance([name]):
10 # Add an instance to the service described by the previous procd_open_service call
12 # procd_set_param(type, [value...])
14 # command: command line (array).
15 # respawn info: array with 3 values $fail_threshold $restart_timeout $max_fail
16 # env: environment variable (passed to the process)
17 # data: arbitrary name/value pairs for detecting config changes (table)
18 # file: configuration files (array)
19 # netdev: bound network device (detects ifindex changes)
20 # limits: resource limits (passed to the process)
21 # user: $username to run service as
22 # group: $groupname to run service as
23 # pidfile: file name to write pid into
24 # stdout: boolean whether to redirect commands stdout to syslog (default: 0)
25 # stderr: boolean whether to redirect commands stderr to syslog (default: 0)
26 # facility: syslog facility used when logging to syslog (default: daemon)
28 # No space separation is done for arrays/tables - use one function argument per command line argument
30 # procd_close_instance():
31 # Complete the instance being prepared
33 # procd_running(service, [instance]):
34 # Checks if service/instance is currently running
36 # procd_kill(service, [instance]):
37 # Kill a service instance (or all instances)
39 # procd_send_signal(service, [instance], [signal])
40 # Send a signal to a service instance (or all instances)
43 . "$IPKG_INSTROOT/usr/share/libubox/jshn.sh"
45 PROCD_RELOAD_DELAY=1000
49 local basescript=$(readlink "$initscript")
50 local service_name="$(basename ${basescript:-$initscript})"
52 flock -n 1000 &> /dev/null
53 if [ "$?" != "0" ]; then
54 exec 1000>"$IPKG_INSTROOT/var/lock/procd_${service_name}.lock"
56 if [ "$?" != "0" ]; then
57 logger "warning: procd flock for $service_name failed"
65 json_set_namespace procd old_cb
67 json_set_namespace $old_cb
73 eval "$1() { _procd_call _$1 \"\$@\"; }"
81 [ -n "$PROCD_DEBUG" ] && json_dump >&2
82 ubus call service "$cmd" "$(json_dump)"
86 _procd_open_service() {
90 _PROCD_SERVICE="$name"
94 json_add_string name "$name"
95 [ -n "$script" ] && json_add_string script "$script"
96 json_add_object instances
99 _procd_close_service() {
107 _procd_ubus_call ${1:-set}
110 _procd_add_array_data() {
111 while [ "$#" -gt 0 ]; do
112 json_add_string "" "$1"
120 _procd_add_array_data "$@"
124 _procd_add_table_data() {
125 while [ -n "$1" ]; do
128 [ "$1" = "$val" ] && val=
129 json_add_string "$var" "$val"
137 _procd_add_table_data "$@"
141 _procd_open_instance() {
142 local name="$1"; shift
144 _PROCD_INSTANCE_SEQ="$(($_PROCD_INSTANCE_SEQ + 1))"
145 name="${name:-instance$_PROCD_INSTANCE_SEQ}"
146 json_add_object "$name"
147 [ -n "$TRACE_SYSCALLS" ] && json_add_boolean trace "1"
150 _procd_open_trigger() {
151 let '_procd_trigger_open = _procd_trigger_open + 1'
152 [ "$_procd_trigger_open" -gt 1 ] && return
153 json_add_array "triggers"
156 _procd_close_trigger() {
157 let '_procd_trigger_open = _procd_trigger_open - 1'
158 [ "$_procd_trigger_open" -lt 1 ] || return
163 let '_procd_data_open = _procd_data_open + 1'
164 [ "$_procd_data_open" -gt 1 ] && return
165 json_add_object "data"
168 _procd_close_data() {
169 let '_procd_data_open = _procd_data_open - 1'
170 [ "$_procd_data_open" -lt 1 ] || return
174 _procd_open_validate() {
176 json_add_array "validate"
179 _procd_close_validate() {
185 json_add_object "jail"
186 json_add_string name "$1"
192 log) json_add_boolean "log" "1";;
193 ubus) json_add_boolean "ubus" "1";;
194 procfs) json_add_boolean "procfs" "1";;
195 sysfs) json_add_boolean "sysfs" "1";;
196 ronly) json_add_boolean "ronly" "1";;
199 json_add_object "mount"
204 _procd_add_jail_mount() {
205 local _json_no_warning=1
215 json_add_string "$a" "0"
221 _procd_add_jail_mount_rw() {
222 local _json_no_warning=1
232 json_add_string "$a" "1"
239 local type="$1"; shift
243 _procd_add_table "$type" "$@"
245 command|netdev|file|respawn|watch)
246 _procd_add_array "$type" "$@"
249 json_add_array "$type"
250 json_add_string "" "$@"
254 json_add_int "$type" "$1"
257 json_add_int "$type" $(kill -l "$1")
259 pidfile|user|group|seccomp|capabilities|facility)
260 json_add_string "$type" "$1"
262 stdout|stderr|no_new_privs)
263 json_add_boolean "$type" "$1"
268 _procd_add_timeout() {
269 [ "$PROCD_RELOAD_DELAY" -gt 0 ] && json_add_int "" "$PROCD_RELOAD_DELAY"
273 _procd_add_interface_trigger() {
275 _procd_add_array_data "$1"
279 _procd_add_array_data "if"
282 _procd_add_array_data "eq" "interface" "$1"
287 _procd_add_array_data "run_script" "$@"
295 _procd_add_reload_interface_trigger() {
296 local script=$(readlink "$initscript")
297 local name=$(basename ${script:-$initscript})
300 _procd_add_interface_trigger "interface.*" $1 /etc/init.d/$name reload
304 _procd_add_config_trigger() {
306 _procd_add_array_data "$1"
310 _procd_add_array_data "if"
313 _procd_add_array_data "eq" "package" "$1"
318 _procd_add_array_data "run_script" "$@"
326 _procd_add_raw_trigger() {
328 _procd_add_array_data "$1"
335 _procd_add_array_data "run_script" "$@"
339 json_add_int "" "$timeout"
344 _procd_add_reload_trigger() {
345 local script=$(readlink "$initscript")
346 local name=$(basename ${script:-$initscript})
351 _procd_add_config_trigger "config.change" "$file" /etc/init.d/$name reload
356 _procd_add_validation() {
359 _procd_close_validate
362 _procd_append_param() {
363 local type="$1"; shift
364 local _json_no_warning=1
368 _procd_set_param "$type" "$@"
373 _procd_add_table_data "$@"
375 command|netdev|file|respawn|watch)
376 _procd_add_array_data "$@"
379 json_add_string "" "$@"
385 _procd_close_instance() {
388 if json_select respawn ; then
389 json_get_values respawn_vals
390 if [ -z "$respawn_vals" ]; then
391 local respawn_threshold=$(uci_get system.@service[0].respawn_threshold)
392 local respawn_timeout=$(uci_get system.@service[0].respawn_timeout)
393 local respawn_retry=$(uci_get system.@service[0].respawn_retry)
394 _procd_add_array_data ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
402 _procd_add_instance() {
404 _procd_set_param command "$@"
405 _procd_close_instance
410 local instance="${2:-instance1}"
414 json_add_string name "$service"
415 running=$(_procd_ubus_call list | jsonfilter -e "@.$service.instances.${instance}.running")
417 [ "$running" = "true" ]
425 [ -n "$service" ] && json_add_string name "$service"
426 [ -n "$instance" ] && json_add_string instance "$instance"
427 _procd_ubus_call delete
430 _procd_send_signal() {
436 [A-Z]*) signal="$(kill -l "$signal" 2>/dev/null)" || return 1;;
440 json_add_string name "$service"
441 [ -n "$instance" -a "$instance" != "*" ] && json_add_string instance "$instance"
442 [ -n "$signal" ] && json_add_int signal "$signal"
443 _procd_ubus_call signal
448 json_set_namespace procd __procd_old_cb
454 json_set_namespace $__procd_old_cb
457 _procd_set_config_changed() {
461 json_add_string type config.change
463 json_add_string package "$package"
466 ubus call service event "$(json_dump)"
469 procd_add_mdns_service() {
470 local service proto port
474 json_add_object "${service}_$port"
475 json_add_string "service" "_$service._$proto.local"
476 json_add_int port "$port"
479 for txt in "$@"; do json_add_string "" "$txt"; done
487 json_add_object "mdns"
488 procd_add_mdns_service "$@"
493 uci_validate_section()
501 _result=`/sbin/validate_data "$_package" "$_type" "$_name" "$@" 2> /dev/null`
504 [ "$_error" = "0" ] || `/sbin/validate_data "$_package" "$_type" "$_name" "$@" 1> /dev/null`
508 uci_load_validate() {
515 shift; shift; shift; shift
516 for _option in "$@"; do
517 eval "local ${_option%%:*}"
519 uci_validate_section "$_package" "$_type" "$_name" "$@"
521 [ -n "$_function" ] || return $_result
522 eval "$_function \"\$_name\" \"\$_result\""
527 procd_close_service \
529 procd_add_raw_trigger \
530 procd_add_config_trigger \
531 procd_add_interface_trigger \
532 procd_add_reload_trigger \
533 procd_add_reload_interface_trigger \
535 procd_close_trigger \
536 procd_open_instance \
537 procd_close_instance \
538 procd_open_validate \
539 procd_close_validate \
541 procd_add_jail_mount \
542 procd_add_jail_mount_rw \
545 procd_add_validation \
546 procd_set_config_changed \