Allow remote caching of docker layers in kaniko build

cmd/kaniko-docker/main.go

@@ -143,6 +143,9 @@ func run(c *cli.Context) error {
 			Labels:        c.StringSlice("custom-labels"),
 			SkipTlsVerify: c.Bool("skip-tls-verify"),
 			SnapshotMode:  c.String("snapshot-mode"),
+			EnableCache:   c.Bool("enable-cache"),
+			CacheRepo:     c.String("cache-repo"),
+			CacheTTL:      c.Int("cache-ttl"),
 		},
 	}
 	return plugin.Exec()

cmd/kaniko-ecr/main.go

@@ -132,6 +132,9 @@ func run(c *cli.Context) error {
 			Repo:         fmt.Sprintf("%s/%s", c.String("registry"), c.String("repo")),
 			Labels:       c.StringSlice("custom-labels"),
 			SnapshotMode: c.String("snapshot-mode"),
+			EnableCache:  c.Bool("enable-cache"),
+			CacheRepo:    c.String("cache-repo"),
+			CacheTTL:     c.Int("cache-ttl"),
 		},
 	}
 	return plugin.Exec()

cmd/kaniko-gcr/main.go

@@ -132,6 +132,9 @@ func run(c *cli.Context) error {
 			Repo:         fmt.Sprintf("%s/%s", c.String("registry"), c.String("repo")),
 			Labels:       c.StringSlice("custom-labels"),
 			SnapshotMode: c.String("snapshot-mode"),
+			EnableCache:  c.Bool("enable-cache"),
+			CacheRepo:    c.String("cache-repo"),
+			CacheTTL:     c.Int("cache-ttl"),
 		},
 	}
 	return plugin.Exec()