Generate backend bus events in the backends

pkg/compiler/backend/simpledocker.go

@@ -24,6 +24,8 @@ import (
 	"path/filepath"
 	"strings"
 
+	bus "github.com/mudler/luet/pkg/bus"
+
 	docker "github.com/fsouza/go-dockerclient"
 	capi "github.com/mudler/docker-companion/api"
 
@@ -44,6 +46,7 @@ func NewSimpleDockerBackend() compiler.CompilerBackend {
 // TODO: Missing still: labels, and build args expansion
 func (*SimpleDocker) BuildImage(opts compiler.CompilerBackendOptions) error {
 	name := opts.ImageName
+	bus.Manager.Publish(bus.EventImagePreBuild, opts)
 
 	buildarg := genBuildCommand(opts)
 	Info(":whale2: Building image " + name)
@@ -74,6 +77,8 @@ func (*SimpleDocker) BuildImage(opts compiler.CompilerBackendOptions) error {
 		Info(":whale: Squashing image " + name + " done")
 	}
 
+	bus.Manager.Publish(bus.EventImagePostBuild, opts)
+
 	return nil
 }
 
@@ -90,6 +95,8 @@ func (*SimpleDocker) CopyImage(src, dst string) error {
 
 func (*SimpleDocker) DownloadImage(opts compiler.CompilerBackendOptions) error {
 	name := opts.ImageName
+	bus.Manager.Publish(bus.EventImagePrePull, opts)
+
 	buildarg := []string{"pull", name}
 	Debug(":whale: Downloading image " + name)
 
@@ -103,6 +110,8 @@ func (*SimpleDocker) DownloadImage(opts compiler.CompilerBackendOptions) error {
 	}
 
 	Info(":whale: Downloaded image:", name)
+	bus.Manager.Publish(bus.EventImagePostPull, opts)
+
 	return nil
 }
 
@@ -138,6 +147,7 @@ func (*SimpleDocker) RemoveImage(opts compiler.CompilerBackendOptions) error {
 func (*SimpleDocker) Push(opts compiler.CompilerBackendOptions) error {
 	name := opts.ImageName
 	pusharg := []string{"push", name}
+	bus.Manager.Publish(bus.EventImagePrePush, opts)
 
 	Spinner(22)
 	defer SpinnerStop()
@@ -147,6 +157,8 @@ func (*SimpleDocker) Push(opts compiler.CompilerBackendOptions) error {
 		return errors.Wrap(err, "Failed pushing image: "+string(out))
 	}
 	Info(":whale: Pushed image:", name)
+	bus.Manager.Publish(bus.EventImagePostPush, opts)
+
 	//Info(string(out))
 	return nil
 }