Added a global variable for corev1.PullPolicy in modules pkg and made mg

dev up set this to Always for iteration with mg dev.

Author: laetho

mg/cmd/dev.go

@@ -27,6 +27,7 @@ import (
 	"github.com/laetho/metagraf/pkg/modules"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	corev1 "k8s.io/api/core/v1"
 	log "k8s.io/klog"
 )
 
@@ -51,6 +52,7 @@ func init() {
 	devCmdUp.Flags().Int32Var(&params.ServiceMonitorPort, "service-monitor-port", params.ServiceMonitorPort, "Set Service port to scrape in ServiceMonitor.")
 	devCmdUp.Flags().StringVar(&params.ServiceMonitorOperatorName, "service-monitor-operator-name", params.ServiceMonitorOperatorName, "Name of prometheus-operator instance to create ServiceMonitor for.")
 
+
 	devCmd.AddCommand(devCmdDown)
 	devCmdDown.Flags().StringVarP(&params.NameSpace, "namespace", "n", "", "namespace to work on, if not supplied it will use current active namespace.")
 	devCmdDown.Flags().BoolVar(&params.Everything, "everything", false, "Delete all resources and artifacts generated from mg dev up.")
@@ -138,6 +140,7 @@ func devUp(mgf string) {
 	modules.Variables = GetCmdProperties(mg.GetProperties())
 	log.V(2).Info("Current MGProperties: ", modules.Variables)
 
+	modules.PullPolicy = corev1.PullAlways
 	modules.GenSecrets(&mg)
 	modules.GenConfigMaps(&mg)
 	modules.GenImageStream(&mg, params.NameSpace)

pkg/modules/common.go

@@ -49,6 +49,8 @@ var (
 	OName         string
 	Context       string // Application context root from FlagPassingHack.
 	CreateGlobals bool
+	// Sets the default pull policy for all metagraf modules
+	PullPolicy	  corev1.PullPolicy = corev1.PullIfNotPresent
 )
 
 var Variables metagraf.MGProperties

pkg/modules/deployment.go

@@ -130,7 +130,7 @@ func GenDeployment(mg *metagraf.MetaGraf, namespace string) {
 	Container := corev1.Container{
 		Name:            objname,
 		Image:           imageRef(mg),
-		ImagePullPolicy: corev1.PullIfNotPresent,
+		ImagePullPolicy: PullPolicy,
 		Ports:           ContainerPorts,
 		VolumeMounts:    VolumeMounts,
 		Env:             EnvVars,

pkg/modules/deploymentconfig.go

@@ -142,7 +142,7 @@ func GenDeploymentConfig(mg *metagraf.MetaGraf) {
 	Container := corev1.Container{
 		Name:            objname,
 		Image:           imageRef(mg),
-		ImagePullPolicy: corev1.PullIfNotPresent,
+		ImagePullPolicy: PullPolicy,
 		Ports:           ContainerPorts,
 		VolumeMounts:    VolumeMounts,
 		Env:             EnvVars,