Add support for routines; state messages

app/services/routines.service.js

@@ -0,0 +1,30 @@
+const { Service } = require('flitter-di')
+const Routine = require('../classes/routine/Routine')
+
+/*
+ * routines Service
+ * -------------------------------------------------------------
+ * This is a service file that will be made available through Flitter's
+ * dependency injector to the rest of the application based on its given
+ * canonical name.
+ *
+ * e.g. app.di().service("routines")
+ */
+class RoutinesService extends Service {
+    static get services() {
+        return [...super.services, 'app', 'configs', 'hosts']
+    }
+    
+    async get(name) {
+        this.app.make(Routine)
+        const config = this.configs.get(`routines:${name}`)
+        const hosts = {}
+        for ( const host_name of config.hosts ) {
+            hosts[host_name] = await this.hosts.get(host_name)
+        }
+
+        return new Routine(hosts, config, config.type)
+    }
+}
+
+module.exports = exports = RoutinesService

app/services/states.service.js

@@ -27,6 +27,7 @@ class StatesService extends Service {
         'git.tag': require('../classes/state/git/TagState'),
 
         'os.cmd': require('../classes/state/os/CommandState'),
+        'os.alive': require('../classes/state/os/IsAliveState'),
 
         'package.present': require('../classes/state/os/PackageState'),
         'package.absent': require('../classes/state/os/PackageAbsentState'),
@@ -45,13 +46,18 @@ class StatesService extends Service {
         return [...super.services, 'app', 'configs']
     }
 
+    map() {
+        return this.constructor.#state_map
+    }
+
     from_config(host, state_config) {
         const type = state_config.type
+        state_config = {...state_config}
         delete state_config.type
 
         const StepClass = this.constructor.#state_map[type]
-        this.app.di().make(StepClass)
         if ( !StepClass ) throw new Error(`Invalid or unknown step type: ${type}`)
+        this.app.make(StepClass)
 
         return new StepClass(host, state_config)
     }