feat: add generation of api-keys to cli (#87)

* feat: add generate option in cli and the documentation

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

* chore: release 0.1.0

Release-As: 0.1.0
Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

* fix: apply suggestions from code review

Co-authored-by: Alex Jones <alexsimonjones@gmail.com>
Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

---------

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>
Co-authored-by: Alex Jones <alexsimonjones@gmail.com>

README.md

@@ -3,16 +3,22 @@
   <img alt="Text changing depending on mode. Light: 'So light!' Dark: 'So dark!'" src="./images/banner-black.png" width="600px;">
 </picture>
 
-_Install it now_
+`k8sgpt` is a tool for scanning your kubernetes clusters, diagnosing and triaging issues in simple english.
+
+It has SRE experience codified into it's analyzers and helps to pull out the most relevent information to enrich it with AI.
+
+## Quick Start
 
 ```
 brew tap k8sgpt-ai/k8sgpt
 brew install k8sgpt
 ```
 
-`k8sgpt` is a tool for scanning your kubernetes clusters, diagnosing and triaging issues in simple english.
-
-It has SRE experience codified into it's analyzers and helps to pull out the most relevent information to enrich it with AI.
+* Currently the default AI provider is OpenAI, you will need to generate an API key from [OpenAI](https://openai.com)
+  * You can do this by running `k8sgpt generate` to open a browser link to generate it 
+* Run `k8sgpt auth` to set it in k8sgpt.
+* Run `k8sgpt analyze` to run a scan.
+* And use `k8sgpt analyze --explain` to get a more detailed explanation of the issues.
 
 <img src="images/landing.png" width=650px; />
 
@@ -40,13 +46,23 @@ Available Commands:
   analyze     This command will find problems within your Kubernetes cluster
   auth        Authenticate with your chosen backend
   completion  Generate the autocompletion script for the specified shell
+  generate    Generate Key for your chosen backend (opens browser)
   help        Help about any command
 
+Flags:
+      --config string       config file (default is $HOME/.k8sgpt.git.yaml)
+  -h, --help                help for k8sgpt
+      --kubeconfig string   Path to a kubeconfig. Only required if out-of-cluster.
+      --master string       The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.
+  -t, --toggle              Help message for toggle
+
+Use "k8sgpt [command] --help" for more information about a command.
 ```
 
 _Run a scan with the default analyzers_
 
 ```
+k8sgpt generate
 k8sgpt auth
 k8sgpt analyze --explain
 ```

cmd/generate/generate.go

@@ -0,0 +1,62 @@
+package generate
+
+import (
+	"fmt"
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"os/exec"
+	"runtime"
+	"time"
+)
+
+var (
+	backend string
+)
+
+// generateCmd represents the auth command
+var GenerateCmd = &cobra.Command{
+	Use:   "generate",
+	Short: "Generate Key for your chosen backend (opens browser)",
+	Long:  `Opens your browser to generate a key for your chosen backend.`,
+	Run: func(cmd *cobra.Command, args []string) {
+
+		backendType := viper.GetString("backend_type")
+		if backendType == "" {
+			// Set the default backend
+			backend = "openai"
+		}
+		// override the default backend if a flag is provided
+		if backend != "" {
+			backendType = backend
+		}
+		fmt.Println("")
+		color.Green("Opening: https://beta.openai.com/account/api-keys to generate a key for %s", backendType)
+		color.Green("Please copy the generated key and run `k8sgpt auth` to add it to your config file")
+		fmt.Println("")
+		time.Sleep(5 * time.Second)
+		openbrowser("https://beta.openai.com/account/api-keys")
+	},
+}
+
+func init() {
+	// add flag for backend
+	GenerateCmd.Flags().StringVarP(&backend, "backend", "b", "openai", "Backend AI provider")
+}
+
+func openbrowser(url string) {
+	var err error
+	switch runtime.GOOS {
+	case "linux":
+		err = exec.Command("xdg-open", url).Start()
+	case "windows":
+		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+	case "darwin":
+		err = exec.Command("open", url).Start()
+	default:
+		err = fmt.Errorf("unsupported platform")
+	}
+	if err != nil {
+		fmt.Println(err)
+	}
+}

cmd/root.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"github.com/k8sgpt-ai/k8sgpt/cmd/generate"
 	"os"
 
 	"github.com/fatih/color"
@@ -44,6 +45,7 @@ func init() {
 	// will be global for your application.
 	rootCmd.AddCommand(auth.AuthCmd)
 	rootCmd.AddCommand(analyze.AnalyzeCmd)
+	rootCmd.AddCommand(generate.GenerateCmd)
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.k8sgpt.git.yaml)")
 	rootCmd.PersistentFlags().StringVar(&masterURL, "master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
 	rootCmd.PersistentFlags().StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")