Add support for custom context

Fix typo in README
Add CODEOWNERS

Fix #5

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @elsesiy

README.md

@@ -4,7 +4,7 @@
 [![Twitter](https://img.shields.io/badge/twitter-@elsesiy-blue.svg)](http://twitter.com/elsesiy)
 [![GitHub release](https://img.shields.io/github/release/elsesiy/kubectl-view-secret.svg)](https://github.com/elsesiy/kubectl-view-secret/releases)
 
-This plugin allows for easy secret decoding. Useful if you want to see what's inside of a secret without always go throug the following:
+This plugin allows for easy secret decoding. Useful if you want to see what's inside of a secret without always go through the following:
 1. `kubectl get secret <secret> -o yaml`
 2. Copy base64 encoded secret
 3. `echo "b64string" | base64 -d`
@@ -22,7 +22,10 @@ Instead you can now do:
 
     # print keys for secret in different namespace
     kubectl view-secret <secret> -n/--namespace <ns>
-
+
+    # print keys for secret in different context
+    kubectl view-secret <secret> -c/--context <ctx>
+
     # suppress info output
     kubectl view-secret <secret> -q/--quiet
 

pkg/cmd/view-secret.go

@@ -27,6 +27,9 @@ const (
 	# print keys for secret in different namespace
 	%[1]s view-secret <secret> -n/--namespace <ns>
 
+	# print keys for secret in different context
+	%[1]s view-secret <secret> -c/--context <ctx>
+
 	# suppress info output
 	%[1]s view-secret <secret> -q/--quiet
 `
@@ -42,6 +45,7 @@ var ErrSecretKeyNotFound = errors.New("provided key not found in secret")
 // CommandOpts is the struct holding common properties
 type CommandOpts struct {
 	customNamespace string
+	customContext   string
 	decodeAll       bool
 	quiet           bool
 	secretName      string
@@ -72,6 +76,7 @@ func NewCmdViewSecret() *cobra.Command {
 	cmd.Flags().BoolVarP(&res.decodeAll, "all", "a", res.decodeAll, "if true, decodes all secrets without specifying the individual secret keys")
 	cmd.Flags().BoolVarP(&res.quiet, "quiet", "q", res.quiet, "if true, suppresses info output")
 	cmd.Flags().StringVarP(&res.customNamespace, "namespace", "n", res.customNamespace, "override the namespace defined in the current context")
+	cmd.Flags().StringVarP(&res.customContext, "context", "c", res.customContext, "override the current context")
 
 	return cmd
 }
@@ -94,13 +99,18 @@ func (c *CommandOpts) Validate(args []string) error {
 // Retrieve reads the kubeconfig and decodes the secret
 func (c *CommandOpts) Retrieve(cmd *cobra.Command) error {
 	nsOverride, _ := cmd.Flags().GetString("namespace")
+	ctxOverride, _ := cmd.Flags().GetString("context")
 
 	var res, cmdErr bytes.Buffer
 	commandArgs := []string{"get", "secret", c.secretName, "-o", "json"}
 	if nsOverride != "" {
 		commandArgs = append(commandArgs, "-n", nsOverride)
 	}
 
+	if ctxOverride != "" {
+		commandArgs = append(commandArgs, "--context", ctxOverride)
+	}
+
 	out := exec.Command("kubectl", commandArgs...)
 	out.Stdout = &res
 	out.Stderr = &cmdErr