feat(agent): initial working version

src/agent/daemon.v

@@ -41,6 +41,10 @@ fn agent_init(logger log.Log, conf Config) AgentDaemon {
 }
 
 pub fn (mut d AgentDaemon) run() {
+	// This is just so that the very first time the loop is ran, the jobs are
+	// always polled
+	mut last_poll_time := time.now().add_seconds(-d.conf.polling_frequency)
+
 	for {
 		free_builds := d.update_atomics()
 
@@ -54,17 +58,38 @@ pub fn (mut d AgentDaemon) run() {
 		d.images.clean_old_images()
 
 		// Poll for new jobs
-		new_configs := d.client.poll_jobs(free_builds) or {
+		if time.now() >= last_poll_time.add_seconds(d.conf.polling_frequency) {
+			new_configs := d.client.poll_jobs(d.conf.arch, free_builds) or {
 				d.lerror('Failed to poll jobs: $err.msg()')
 
-			time.sleep(1 * time.second)
+				time.sleep(5 * time.second)
 				continue
 			}
+			last_poll_time = time.now()
 
 			// Schedule new jobs
 			for config in new_configs {
+				// TODO handle this better than to just skip the config
+				// Make sure a recent build base image is available for building the config
+				d.images.refresh_image(config.base_image) or {
+					d.lerror(err.msg())
+					continue
+				}
 				d.start_build(config)
 			}
+
+			time.sleep(1 * time.second)
+		}
+		// Builds are running, so check again after one second
+		else if free_builds < d.conf.max_concurrent_builds {
+			time.sleep(1 * time.second)
+		}
+		// The agent is not doing anything, so we just wait until the next poll
+		// time
+		else {
+			time_until_next_poll := time.now() - last_poll_time
+			time.sleep(time_until_next_poll)
+		}
 	}
 }
 

src/build/queue.v

@@ -76,7 +76,6 @@ pub fn (mut q BuildJobQueue) insert(target Target, arch string) ! {
 			}
 		}
 
-		dump(job)
 		q.queues[arch].insert(job)
 	}
 }

src/build/shell.v

@@ -1,7 +1,5 @@
 module build
 
-import models { Target }
-
 // escape_shell_string escapes any characters that could be interpreted
 // incorrectly by a shell. The resulting value should be safe to use inside an
 // echo statement.

src/client/jobs.v

@@ -2,8 +2,9 @@ module client
 
 import build { BuildConfig }
 
-pub fn (c &Client) poll_jobs(max int) ![]BuildConfig {
+pub fn (c &Client) poll_jobs(arch string, max int) ![]BuildConfig {
 	data := c.send_request<[]BuildConfig>(.get, '/api/v1/jobs/poll', {
+		'arch': arch
 		'max':  max.str()
 	})!
 

vieter.toml

@@ -4,6 +4,7 @@ data_dir = "data"
 pkg_dir = "data/pkgs"
 log_level = "DEBUG"
 default_arch = "x86_64"
+arch = "x86_64"
 
 address = "http://localhost:8000"
 
@@ -11,4 +12,3 @@ global_schedule = '* *'
 api_update_frequency = 2
 image_rebuild_frequency = 1
 max_concurrent_builds = 3
-