jobd: support launcher environment settings

README.md

@@ -382,6 +382,10 @@ Without section:
   in every request
 - `launcher` *(required, string)* — a template of shell command that will be launched
   for every job. `{id}` will be replaced with job id
+- `launcher.cwd` *(string, default: `process.cwd()`)* — current working directory
+  for spawned launcher processes
+- `launcher.env.{any}` *(string)* — environment variable for spawned launcher
+  processes
 - `max_output_buffer` *(int, default: `1048576`)*
 
 Under the `[targets]` section, targets are specified. Each target is specified on

jobd.conf.example

@@ -24,6 +24,8 @@ mysql_fetch_limit = 10
 
 ; launcher command template
 launcher = php /Users/ch1p/jobd-launcher.php --id {id}
+launcher.cwd = /Users/ch1p
+launcher.env.LC_ALL = en_US.UTF-8
 max_output_buffer = 16777216
 
 [targets]

src/lib/config.js

@@ -49,6 +49,14 @@ function processScheme(source, scheme) {
                         value = !!value
                     }
                     break
+
+                case 'map':
+                    value = {}
+                    for (let key1 in source) {
+                        if (key1.startsWith(`${key}.`))
+                            value[key1.substring(key.length+1)] = source[key1]
+                    }
+                    break
             }
         }
 
@@ -85,6 +93,8 @@ function parseWorkerConfig(file) {
         mysql_fetch_limit: {default: 100, type: 'int'},
 
         launcher:          {required: true},
+        'launcher.cwd':    {default: process.cwd()},
+        'launcher.env':    {type: 'map', default: {}},
         max_output_buffer: {default: 1024*1024, type: 'int'},
         targets:           {required: true, type: 'object'},
     }

src/lib/worker.js

@@ -468,12 +468,17 @@ class Worker extends EventEmitter {
      */
     async run(id) {
         let command = config.get('launcher').replace(/\{id\}/g, id)
+        let cwd = config.get('launcher.cwd')
+        let env = Object.assign({}, process.env, config.get('launcher.env'))
+
         let args = command.split(/ +/)
         return new Promise((resolve, reject) => {
             this.logger.info(`run(${id}): launching`, args)
 
             let process = child_process.spawn(args[0], args.slice(1), {
-                maxBuffer: config.get('max_output_buffer')
+                maxBuffer: config.get('max_output_buffer'),
+                cwd,
+                env
             })
 
             let stdoutChunks = []