Add artifact cache to track artifacts for faster restart

cmd/skaffold/app/cmd/cmd.go

@@ -148,6 +148,8 @@ func AddRunDevFlags(cmd *cobra.Command) {
 	cmd.Flags().StringVarP(&opts.Namespace, "namespace", "n", "", "Run deployments in the specified namespace")
 	cmd.Flags().StringVarP(&opts.DefaultRepo, "default-repo", "d", "", "Default repository value (overrides global config)")
 	cmd.Flags().BoolVar(&opts.SkipTests, "skip-tests", false, "Whether to skip the tests after building")
+	cmd.Flags().BoolVar(&opts.CacheArtifacts, "cache-artifacts", true, "Set to false to disable caching of artifacts.")
+	cmd.Flags().StringVarP(&opts.CacheFile, "cache-file", "", "", "Specify the location of the cache file (default $HOME/.skaffold/cache)")
 }
 
 func SetUpLogs(out io.Writer, level string) error {

docs/content/en/docs/references/cli/_index.md

@@ -64,6 +64,8 @@ Usage:
 
 Flags:
   -b, --build-image stringArray      Choose which artifacts to build. Artifacts with image names that contain the expression will be built only. Default is to build sources for all artifacts
+      --cache-artifacts              Set to false to disable caching of artifacts. (default true)
+      --cache-file string            Specify the location of the cache file (default $HOME/.skaffold/cache)
   -d, --default-repo string          Default repository value (overrides global config)
   -f, --filename string              Filename or URL to the pipeline file (default "skaffold.yaml")
   -n, --namespace string             Run deployments in the specified namespace
@@ -83,6 +85,8 @@ Global Flags:
 Env vars:
 
 * `SKAFFOLD_BUILD_IMAGE` (same as --build-image)
+* `SKAFFOLD_CACHE_ARTIFACTS` (same as --cache-artifacts)
+* `SKAFFOLD_CACHE_FILE` (same as --cache-file)
 * `SKAFFOLD_DEFAULT_REPO` (same as --default-repo)
 * `SKAFFOLD_FILENAME` (same as --filename)
 * `SKAFFOLD_NAMESPACE` (same as --namespace)
@@ -142,6 +146,8 @@ Usage:
   skaffold delete [flags]
 
 Flags:
+      --cache-artifacts       Set to false to disable caching of artifacts. (default true)
+      --cache-file string     Specify the location of the cache file (default $HOME/.skaffold/cache)
   -d, --default-repo string   Default repository value (overrides global config)
   -f, --filename string       Filename or URL to the pipeline file (default "skaffold.yaml")
   -n, --namespace string      Run deployments in the specified namespace
@@ -157,6 +163,8 @@ Global Flags:
 ```
 Env vars:
 
+* `SKAFFOLD_CACHE_ARTIFACTS` (same as --cache-artifacts)
+* `SKAFFOLD_CACHE_FILE` (same as --cache-file)
 * `SKAFFOLD_DEFAULT_REPO` (same as --default-repo)
 * `SKAFFOLD_FILENAME` (same as --filename)
 * `SKAFFOLD_NAMESPACE` (same as --namespace)
@@ -173,6 +181,8 @@ Usage:
   skaffold deploy [flags]
 
 Flags:
+      --cache-artifacts       Set to false to disable caching of artifacts. (default true)
+      --cache-file string     Specify the location of the cache file (default $HOME/.skaffold/cache)
   -d, --default-repo string   Default repository value (overrides global config)
   -f, --filename string       Filename or URL to the pipeline file (default "skaffold.yaml")
       --images strings        A list of pre-built images to deploy
@@ -191,6 +201,8 @@ Global Flags:
 ```
 Env vars:
 
+* `SKAFFOLD_CACHE_ARTIFACTS` (same as --cache-artifacts)
+* `SKAFFOLD_CACHE_FILE` (same as --cache-file)
 * `SKAFFOLD_DEFAULT_REPO` (same as --default-repo)
 * `SKAFFOLD_FILENAME` (same as --filename)
 * `SKAFFOLD_IMAGES` (same as --images)
@@ -210,6 +222,8 @@ Usage:
   skaffold dev [flags]
 
 Flags:
+      --cache-artifacts           Set to false to disable caching of artifacts. (default true)
+      --cache-file string         Specify the location of the cache file (default $HOME/.skaffold/cache)
       --cleanup                   Delete deployments after dev mode is interrupted (default true)
   -d, --default-repo string       Default repository value (overrides global config)
       --experimental-gui          Experimental Graphical User Interface
@@ -233,6 +247,8 @@ Global Flags:
 ```
 Env vars:
 
+* `SKAFFOLD_CACHE_ARTIFACTS` (same as --cache-artifacts)
+* `SKAFFOLD_CACHE_FILE` (same as --cache-file)
 * `SKAFFOLD_CLEANUP` (same as --cleanup)
 * `SKAFFOLD_DEFAULT_REPO` (same as --default-repo)
 * `SKAFFOLD_EXPERIMENTAL_GUI` (same as --experimental-gui)
@@ -331,6 +347,8 @@ Usage:
   skaffold run [flags]
 
 Flags:
+      --cache-artifacts       Set to false to disable caching of artifacts. (default true)
+      --cache-file string     Specify the location of the cache file (default $HOME/.skaffold/cache)
   -d, --default-repo string   Default repository value (overrides global config)
   -f, --filename string       Filename or URL to the pipeline file (default "skaffold.yaml")
   -l, --label stringArray     Add custom labels to deployed objects. Set multiple times for multiple labels.
@@ -349,6 +367,8 @@ Global Flags:
 ```
 Env vars:
 
+* `SKAFFOLD_CACHE_ARTIFACTS` (same as --cache-artifacts)
+* `SKAFFOLD_CACHE_FILE` (same as --cache-file)
 * `SKAFFOLD_DEFAULT_REPO` (same as --default-repo)
 * `SKAFFOLD_FILENAME` (same as --filename)
 * `SKAFFOLD_LABEL` (same as --label)