Feat cronjob (#23)

Make possible to declare cronTabs inside docker-compose file.

⇒ Also, add multiple compose file injection with `-c` arguments 

⇒ Also, fixes “ignore depends on” for same pod 

⇒ Also fixes
 
* fix [Be able to specify compose.yml files and its override #21](https://github.com/metal3d/katenary/issues/21)
* fix [Be able to ignore ports to expose in a katenary.io/ports list #16](https://github.com/metal3d/katenary/issues/16)

And more fixes… (later, we will use branches in a better way, that was a hard, long fix process)

generator/main.go

@@ -6,6 +6,7 @@ import (
 	"katenary/compose"
 	"katenary/helm"
 	"katenary/logger"
+	"katenary/tools"
 	"log"
 	"net/url"
 	"os"
@@ -28,6 +29,8 @@ const (
 	ICON_CONF    = "📝"
 	ICON_STORE   = "⚡"
 	ICON_INGRESS = "🌐"
+	ICON_RBAC    = "🔑"
+	ICON_CRON    = "🕒"
 )
 
 // Values is kept in memory to create a values.yaml file.
@@ -71,6 +74,7 @@ func buildDeployment(name string, s *types.ServiceConfig, linked map[string]type
 
 	// Add selectors
 	selectors := buildSelector(name, s)
+	selectors[helm.K+"/resource"] = "deployment"
 	deployment.Spec.Selector = map[string]interface{}{
 		"matchLabels": selectors,
 	}
@@ -270,7 +274,7 @@ func buildConfigMapFromPath(name, path string) *helm.ConfigMap {
 		files[filename] = string(c)
 	}
 
-	cm := helm.NewConfigMap(name, GetRelPath(path))
+	cm := helm.NewConfigMap(name, tools.GetRelPath(path))
 	cm.Data = files
 	return cm
 }
@@ -335,7 +339,7 @@ func prepareVolumes(deployment, name string, s *types.ServiceConfig, container *
 
 		isConfigMap := false
 		for _, cmVol := range configMapsVolumes {
-			if GetRelPath(volname) == cmVol {
+			if tools.GetRelPath(volname) == cmVol {
 				isConfigMap = true
 				break
 			}
@@ -364,10 +368,10 @@ func prepareVolumes(deployment, name string, s *types.ServiceConfig, container *
 
 			// the volume is a path and it's explicitally asked to be a configmap in labels
 			cm := buildConfigMapFromPath(name, volname)
-			cm.K8sBase.Metadata.Name = helm.ReleaseNameTpl + "-" + name + "-" + PathToName(volname)
+			cm.K8sBase.Metadata.Name = helm.ReleaseNameTpl + "-" + name + "-" + tools.PathToName(volname)
 
 			// build a configmapRef for this volume
-			volname := PathToName(volname)
+			volname := tools.PathToName(volname)
 			volumes = append(volumes, map[string]interface{}{
 				"name": volname,
 				"configMap": map[string]string{
@@ -584,7 +588,7 @@ func prepareEnvFromFiles(name string, s *types.ServiceConfig, container *helm.Co
 
 	// manage environment files (env_file in compose)
 	for _, envfile := range s.EnvFile {
-		f := PathToName(envfile)
+		f := tools.PathToName(envfile)
 		f = strings.ReplaceAll(f, ".env", "")
 		isSecret := false
 		for _, s := range secretsFiles {
@@ -795,7 +799,14 @@ func setSecretVar(name string, s *types.ServiceConfig, c *helm.Container) *helm.
 
 // Generate a container in deployment with all needed objects (volumes, secrets, env, ...).
 // The deployName shoud be the name of the deployment, we cannot get it from Metadata as this is a variable name.
-func newContainerForDeployment(deployName, containerName string, deployment *helm.Deployment, s *types.ServiceConfig, fileGeneratorChan HelmFileGenerator) *helm.Container {
+func newContainerForDeployment(
+	deployName, containerName string,
+	deployment *helm.Deployment,
+	s *types.ServiceConfig,
+	fileGeneratorChan HelmFileGenerator) *helm.Container {
+
+	buildCrontab(deployName, deployment, s, fileGeneratorChan)
+
 	container := helm.NewContainer(containerName, s.Image, s.Environment, s.Labels)
 
 	applyEnvMapLabel(s, container)
@@ -841,6 +852,33 @@ func newContainerForDeployment(deployName, containerName string, deployment *hel
 		prepareInitContainers(containerName, s, container)...,
 	)
 
+	// check if there is containerPort assigned in label, add it, and do
+	// not create service for this.
+	if ports, ok := s.Labels[helm.LABEL_CONTAINER_PORT]; ok {
+		for _, port := range strings.Split(ports, ",") {
+			func(port string, container *helm.Container, s *types.ServiceConfig) {
+				port = strings.TrimSpace(port)
+				if port == "" {
+					return
+				}
+				portNumber, err := strconv.Atoi(port)
+				if err != nil {
+					return
+				}
+				// avoid already declared ports
+				for _, p := range s.Ports {
+					if int(p.Target) == portNumber {
+						return
+					}
+				}
+				container.Ports = append(container.Ports, &helm.ContainerPort{
+					Name:          deployName + "-" + port,
+					ContainerPort: portNumber,
+				})
+			}(port, container, s)
+		}
+	}
+
 	return container
 }
 
@@ -867,7 +905,7 @@ func addVolumeFrom(deployment *helm.Deployment, container *helm.Container, s *ty
 	for name, volumes := range volumesFrom {
 		for volumeName := range volumes {
 			initianame := volumeName
-			volumeName = PathToName(volumeName)
+			volumeName = tools.PathToName(volumeName)
 			// get the volume from the deployment container "name"
 			var ctn *helm.Container
 			for _, c := range deployment.Spec.Template.Spec.Containers {