Add minikube license command

Makefile

@@ -1048,3 +1048,7 @@ update-gopogh-version: ## update gopogh version
 update-gotestsum-version:
 	(cd hack/update/gotestsum_version && \
 	 go run update_gotestsum_version.go)
+
+.PHONY: generate-licenses
+generate-licenses:
+	./hack/generate_licenses.sh

cmd/minikube/cmd/license.go

@@ -0,0 +1,42 @@
+/*
+Copyright 2022 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+	"k8s.io/minikube/pkg/minikube/download"
+	"k8s.io/minikube/pkg/minikube/exit"
+	"k8s.io/minikube/pkg/minikube/reason"
+)
+
+var dir string
+
+// licenseCmd represents the credits command
+var licenseCmd = &cobra.Command{
+	Use:   "license",
+	Short: "Outputs the licenses of dependencies to a directory",
+	Long:  "Outputs the licenses of dependencies to a directory",
+	Run: func(cmd *cobra.Command, args []string) {
+		if err := download.Licenses(dir); err != nil {
+			exit.Error(reason.InetLicenses, "Failed to download licenses", err)
+		}
+	},
+}
+
+func init() {
+	licenseCmd.Flags().StringVarP(&dir, "dir", "d", ".", "Directory to output licenses to")
+}

cmd/minikube/cmd/root.go

@@ -282,6 +282,7 @@ func init() {
 				updateCheckCmd,
 				versionCmd,
 				optionsCmd,
+				licenseCmd,
 			},
 		},
 	}

hack/generate_licenses.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Copyright 2022 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eu -o pipefail
+
+DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+
+GOBIN="$DIR" go install github.com/google/go-licenses@latest
+
+rm -rf ./out/licenses
+"${DIR}/go-licenses" save k8s.io/minikube/cmd/minikube --save_path="out/licenses" --force
+pushd ./out
+tar -zcvf licenses.tar.gz ./licenses
+rm -rf ./licenses
+popd

hack/jenkins/release_build_and_upload.sh

@@ -44,6 +44,9 @@ export GOPATH=$HOME/go
 echo "Verifying ISO exists ..."
 make verify-iso
 
+# Generate licenses
+make generate-licenses
+
 # Build and upload
 env BUILD_IN_DOCKER=y \
   make -j 16 \

hack/release_notes.sh

@@ -28,17 +28,17 @@ function cleanup_token() {
 }
 trap cleanup_token EXIT
 
-if ! [[ -x release-notes ]] || ! [[ -x pullsheet ]]; then
+if ! [[ -x "${DIR}/release-notes" ]] || ! [[ -x "${DIR}/pullsheet" ]]; then
   echo >&2 'Installing release-notes'
-  go install github.com/corneliusweig/release-notes@latest
-  go install github.com/google/pullsheet@latest
+  GOBIN="$DIR" go install github.com/corneliusweig/release-notes@latest
+  GOBIN="$DIR" go install github.com/google/pullsheet@latest
 fi
 
 git pull https://github.com/kubernetes/minikube.git master --tags
 recent=$(git describe --abbrev=0)
 recent_date=$(git log -1 --format=%as $recent)
 
-release-notes kubernetes minikube --since $recent
+"${DIR}/release-notes" kubernetes minikube --since $recent
 
 echo ""
 echo "For a more detailed changelog, including changes occurring in pre-release versions, see [CHANGELOG.md](https://github.com/kubernetes/minikube/blob/master/CHANGELOG.md)."
@@ -52,12 +52,12 @@ echo "Thank you to our PR reviewers for this release!"
 echo ""
 AWK_FORMAT_ITEM='{printf "- %s (%d comments)\n", $2, $1}'
 AWK_REVIEW_COMMENTS='NR>1{arr[$4] += $6 + $7}END{for (a in arr) printf "%d %s\n", arr[a], a}'
-pullsheet reviews --since "$recent_date" --repos kubernetes/minikube --token-path "$GH_TOKEN" --logtostderr=false --stderrthreshold=2 | awk -F ',' "$AWK_REVIEW_COMMENTS" | sort -k1nr -k2d  | awk -F ' ' "$AWK_FORMAT_ITEM"
+"${DIR}/pullsheet" reviews --since "$recent_date" --repos kubernetes/minikube --token-path "$GH_TOKEN" --logtostderr=false --stderrthreshold=2 | awk -F ',' "$AWK_REVIEW_COMMENTS" | sort -k1nr -k2d  | awk -F ' ' "$AWK_FORMAT_ITEM"
 echo ""
 echo "Thank you to our triage members for this release!"
 echo ""
 AWK_ISSUE_COMMENTS='NR>1{arr[$4] += $7}END{for (a in arr) printf "%d %s\n", arr[a], a}'
-pullsheet issue-comments --since "$recent_date" --repos kubernetes/minikube --token-path "$GH_TOKEN" --logtostderr=false --stderrthreshold=2 | awk -F ',' "$AWK_ISSUE_COMMENTS" | sort -k1nr -k2d  | awk -F ' ' "$AWK_FORMAT_ITEM" | head -n 5
+"${DIR}/pullsheet" issue-comments --since "$recent_date" --repos kubernetes/minikube --token-path "$GH_TOKEN" --logtostderr=false --stderrthreshold=2 | awk -F ',' "$AWK_ISSUE_COMMENTS" | sort -k1nr -k2d  | awk -F ' ' "$AWK_FORMAT_ITEM" | head -n 5
 
 if [[ "$recent" != *"beta"* ]]; then
   echo ""

hack/update_contributions.sh

@@ -19,7 +19,7 @@ set -eu -o pipefail
 DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 
 echo >&2 'Installing pullsheet'
-go install github.com/google/pullsheet@latest
+GOBIN="$DIR" go install github.com/google/pullsheet@latest
 
 git fetch --tags -f
 git pull https://github.com/kubernetes/minikube.git master --tags
@@ -69,6 +69,6 @@ while read -r tag_index tag_name tag_start tag_end; do
   # Print header for page.
   printf -- "---\ntitle: \"$tag_name - $tag_end\"\nlinkTitle: \"$tag_name - $tag_end\"\nweight: $tag_index\n---\n" > "$destination/$tag_name.html"
   # Add pullsheet content
-  pullsheet leaderboard --token-path "$TMP_TOKEN" --repos kubernetes/minikube --since "$tag_start" --until "$tag_end" --hide-command --logtostderr=false --stderrthreshold=2 \
+  "${DIR}/pullsheet" leaderboard --token-path "$TMP_TOKEN" --repos kubernetes/minikube --since "$tag_start" --until "$tag_end" --hide-command --logtostderr=false --stderrthreshold=2 \
     >> "$destination/$tag_name.html"
 done <<< "$tags_with_range"

pkg/minikube/download/licenses.go

@@ -0,0 +1,50 @@
+/*
+Copyright 2022 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package download
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"os/exec"
+
+	"k8s.io/minikube/pkg/version"
+)
+
+func Licenses(dir string) error {
+	resp, err := http.Get(fmt.Sprintf("https://storage.googleapis.com/minikube/releases/%s/licenses.tar.gz", version.GetVersion()))
+	if err != nil {
+		return fmt.Errorf("failed to download licenses: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("download request did not return a 200, received: %d", resp.StatusCode)
+	}
+	f, err := os.CreateTemp("", "licenses")
+	if err != nil {
+		return fmt.Errorf("failed to create file in tmp dir: %v", err)
+	}
+	defer os.Remove(f.Name())
+	if _, err := io.Copy(f, resp.Body); err != nil {
+		return fmt.Errorf("failed to copy: %v", err)
+	}
+	if err := exec.Command("tar", "-xvzf", f.Name(), "-C", dir).Run(); err != nil {
+		return fmt.Errorf("failed to untar licenses: %v", err)
+	}
+	return nil
+}

pkg/minikube/reason/reason.go

@@ -392,6 +392,8 @@ var (
 	InetCacheKubectl = Kind{ID: "INET_CACHE_KUBECTL", ExitCode: ExInternetError}
 	// minikube failed to cache required images to tar files
 	InetCacheTar = Kind{ID: "INET_CACHE_TAR", ExitCode: ExInternetError}
+	// minikube failed to download licenses
+	InetLicenses = Kind{ID: "INET_LICENSES", ExitCode: ExInternetError}
 	// minikube was unable to access main repository and mirrors for images
 	InetRepo = Kind{ID: "INET_REPO", ExitCode: ExInternetError}
 	// minikube was unable to access any known image repositories

site/content/en/docs/commands/license.md

@@ -0,0 +1,48 @@
+---
+title: "license"
+description: >
+  Outputs the licenses of dependencies to a directory
+---
+
+
+## minikube license
+
+Outputs the licenses of dependencies to a directory
+
+### Synopsis
+
+Outputs the licenses of dependencies to a directory
+
+```shell
+minikube license [flags]
+```
+
+### Options
+
+```
+  -d, --dir string   Directory to output licenses to (default ".")
+```
+
+### Options inherited from parent commands
+
+```
+      --add_dir_header                   If true, adds the file directory to the header of the log messages
+      --alsologtostderr                  log to standard error as well as files (no effect when -logtostderr=true)
+  -b, --bootstrapper string              The name of the cluster bootstrapper that will set up the Kubernetes cluster. (default "kubeadm")
+  -h, --help                             
+      --log_backtrace_at traceLocation   when logging hits line file:N, emit a stack trace (default :0)
+      --log_dir string                   If non-empty, write log files in this directory (no effect when -logtostderr=true)
+      --log_file string                  If non-empty, use this log file (no effect when -logtostderr=true)
+      --log_file_max_size uint           Defines the maximum size a log file can grow to (no effect when -logtostderr=true). Unit is megabytes. If the value is 0, the maximum file size is unlimited. (default 1800)
+      --logtostderr                      log to standard error instead of files
+      --one_output                       If true, only write logs to their native severity level (vs also writing to each lower severity level; no effect when -logtostderr=true)
+  -p, --profile string                   The name of the minikube VM being used. This can be set to allow having multiple instances of minikube independently. (default "minikube")
+      --rootless                         Force to use rootless driver (docker and podman driver only)
+      --skip_headers                     If true, avoid header prefixes in the log messages
+      --skip_log_headers                 If true, avoid headers when opening log files (no effect when -logtostderr=true)
+      --stderrthreshold severity         logs at or above this threshold go to stderr when writing to files and stderr (no effect when -logtostderr=true or -alsologtostderr=false) (default 2)
+      --user string                      Specifies the user executing the operation. Useful for auditing operations executed by 3rd party tools. Defaults to the operating system username.
+  -v, --v Level                          number for the log level verbosity
+      --vmodule moduleSpec               comma-separated list of pattern=N settings for file-filtered logging
+```
+

site/content/en/docs/contrib/errorcodes.en.md

@@ -367,6 +367,9 @@ minikube failed to cache the kubectl binary
 "INET_CACHE_TAR" (Exit code ExInternetError)  
 minikube failed to cache required images to tar files  
 
+"INET_LICENSES" (Exit code ExInternetError)  
+minikube failed to download licenses  
+
 "INET_REPO" (Exit code ExInternetError)  
 minikube was unable to access main repository and mirrors for images  
 

site/content/en/docs/contrib/releasing/binaries.md

@@ -34,7 +34,7 @@ Run the `kic-release` job in Jenkins, which will automatically create a PR which
 Run the following script from your local upstream repo copy to generate updated release notes:
 
 ```shell
-hack/release_notes.sh
+make release-notes
 ```
 
 Paste the output into CHANGELOG.md, sorting changes by importance to an end-user. If there are >8 changes, split them into *Improvements* and *Bug fixes*

translations/de.json

@@ -144,6 +144,7 @@
 	"Deleting container \"{{.name}}\" ...": "Lösche Container \"{{.name}}\" ...",
 	"Deleting existing cluster {{.name}} with different driver {{.driver_name}} due to --delete-on-failure flag set by the user. ": "Lösche den existierenden Cluster {{.name}} mit unterschiedlichem Treiber {{.driver_name}} aufgrund des vom Benutzer gesetzten --delete-on-failure Parameters. ",
 	"Deleting node {{.name}} from cluster {{.cluster}}": "Lösche Node {{.name}} von Cluster {{.cluster}}",
+	"Directory to output licenses to": "",
 	"Disable checking for the availability of hardware virtualization before the vm is started (virtualbox driver only)": "Deaktivieren Sie die Überprüfung der Verfügbarkeit der Hardwarevirtualisierung vor dem Starten der VM (nur Virtualbox-Treiber)",
 	"Disable dynamic memory in your VM manager, or pass in a larger --memory value": "Deaktiveren Sie die dynmaische Memory-Verwaltung in ihrem VM manager oder verwenden Sie einen größeren --memory Wert",
 	"Disables the addon w/ADDON_NAME within minikube (example: minikube addons disable dashboard). For a list of available addons use: minikube addons list ": "Deaktiviere das Addon mit dem Namen ADDON_NAME in Minikube (Beispiel: minikube addons disable dashboard). Um eine Liste aller verfügbaren Addons zu erhalten, führen Sie folgenden Befehl aus: minikube addons list ",
@@ -260,6 +261,7 @@
 	"Failed to delete cluster: {{.error}}__1": "Fehler beim Löschen des Clusters: {{.error}}",
 	"Failed to delete images": "Löschen der Images fehlgeschlagen",
 	"Failed to delete images from config": "Löschen der Images aus der Konfiguration fehlgeschlagen",
+	"Failed to download licenses": "",
 	"Failed to enable container runtime": "Aktivieren der Container Runtime fehlgeschlagen",
 	"Failed to get bootstrapper": "Fehler beim Ermitteln des Bootstrappers",
 	"Failed to get command runner": "Fehler beim Ermitteln des Command Runner",
@@ -459,6 +461,7 @@
 	"Output format. Accepted values: [json, yaml]": "",
 	"Output format. Accepted values: [json]": "Ausgabe Format. Akzeptierte Werte: [json]",
 	"Outputs minikube shell completion for the given shell (bash, zsh or fish)\n\n\tThis depends on the bash-completion binary.  Example installation instructions:\n\tOS X:\n\t\t$ brew install bash-completion\n\t\t$ source $(brew --prefix)/etc/bash_completion\n\t\t$ minikube completion bash \u003e ~/.minikube-completion  # for bash users\n\t\t$ minikube completion zsh \u003e ~/.minikube-completion  # for zsh users\n\t\t$ source ~/.minikube-completion\n\t\t$ minikube completion fish \u003e ~/.config/fish/completions/minikube.fish # for fish users\n\tUbuntu:\n\t\t$ apt-get install bash-completion\n\t\t$ source /etc/bash_completion\n\t\t$ source \u003c(minikube completion bash) # for bash users\n\t\t$ source \u003c(minikube completion zsh) # for zsh users\n\t\t$ minikube completion fish \u003e ~/.config/fish/completions/minikube.fish # for fish users\n\n\tAdditionally, you may want to output the completion to a file and source in your .bashrc\n\n\tNote for zsh users: [1] zsh completions are only supported in versions of zsh \u003e= 5.2\n\tNote for fish users: [2] please refer to this docs for more details https://fishshell.com/docs/current/#tab-completion\n": "",
+	"Outputs the licenses of dependencies to a directory": "",
 	"Overwrite image even if same image:tag name exists": "Überschreibe das Image, auch wenn ein Image mit dem gleichen Image:Tag-Namen existiert",
 	"Path to socket vmnet binary": "",
 	"Path to the Dockerfile to use (optional)": "Pfad des zu verwendenden Dockerfiles (optional)",

translations/es.json

@@ -148,6 +148,7 @@
 	"Deleting container \"{{.name}}\" ...": "Eliminando contenedor \"{{.name}}\" ...",
 	"Deleting existing cluster {{.name}} with different driver {{.driver_name}} due to --delete-on-failure flag set by the user. ": "",
 	"Deleting node {{.name}} from cluster {{.cluster}}": "Eliminando nodo {{.name}} del clúster {{.cluster}}",
+	"Directory to output licenses to": "",
 	"Disable checking for the availability of hardware virtualization before the vm is started (virtualbox driver only)": "Permite inhabilitar la comprobación de disponibilidad de la virtualización de hardware antes de iniciar la VM (solo con el controlador de Virtualbox)",
 	"Disable dynamic memory in your VM manager, or pass in a larger --memory value": "Desactivar memoria dinámica in tu administrador de VM, o pasa un mayor valor --memory",
 	"Disables the addon w/ADDON_NAME within minikube (example: minikube addons disable dashboard). For a list of available addons use: minikube addons list ": "Desactiva un complemento con ADDON_NAME dentro de minikube (Por ejemplo minikube addons disable dashboard). Para ver los complementos disponibles usa: minikube addons list",
@@ -269,6 +270,7 @@
 	"Failed to delete cluster: {{.error}}__1": "No se ha podido eliminar el clúster: {{.error}}",
 	"Failed to delete images": "No se pudo borrar las imagenes",
 	"Failed to delete images from config": "",
+	"Failed to download licenses": "",
 	"Failed to enable container runtime": "",
 	"Failed to get bootstrapper": "",
 	"Failed to get command runner": "",
@@ -466,6 +468,7 @@
 	"Options:      {{.options}}": "",
 	"Output format. Accepted values: [json, yaml]": "",
 	"Outputs minikube shell completion for the given shell (bash, zsh or fish)\n\n\tThis depends on the bash-completion binary.  Example installation instructions:\n\tOS X:\n\t\t$ brew install bash-completion\n\t\t$ source $(brew --prefix)/etc/bash_completion\n\t\t$ minikube completion bash \u003e ~/.minikube-completion  # for bash users\n\t\t$ minikube completion zsh \u003e ~/.minikube-completion  # for zsh users\n\t\t$ source ~/.minikube-completion\n\t\t$ minikube completion fish \u003e ~/.config/fish/completions/minikube.fish # for fish users\n\tUbuntu:\n\t\t$ apt-get install bash-completion\n\t\t$ source /etc/bash_completion\n\t\t$ source \u003c(minikube completion bash) # for bash users\n\t\t$ source \u003c(minikube completion zsh) # for zsh users\n\t\t$ minikube completion fish \u003e ~/.config/fish/completions/minikube.fish # for fish users\n\n\tAdditionally, you may want to output the completion to a file and source in your .bashrc\n\n\tNote for zsh users: [1] zsh completions are only supported in versions of zsh \u003e= 5.2\n\tNote for fish users: [2] please refer to this docs for more details https://fishshell.com/docs/current/#tab-completion\n": "",
+	"Outputs the licenses of dependencies to a directory": "",
 	"Overwrite image even if same image:tag name exists": "",
 	"Path to socket vmnet binary": "",
 	"Path to the Dockerfile to use (optional)": "",