CLI: Add command to migrate all datasources to use encrypted password fields (#17118)

closes: #17107

pkg/cmd/grafana-cli/utils/command_line.go

@@ -0,0 +1,51 @@
+package utils
+
+import (
+	"github.com/codegangsta/cli"
+)
+
+type CommandLine interface {
+	ShowHelp()
+	ShowVersion()
+	Application() *cli.App
+	Args() cli.Args
+	Bool(name string) bool
+	Int(name string) int
+	String(name string) string
+	StringSlice(name string) []string
+	GlobalString(name string) string
+	FlagNames() (names []string)
+	Generic(name string) interface{}
+
+	PluginDirectory() string
+	RepoDirectory() string
+	PluginURL() string
+}
+
+type ContextCommandLine struct {
+	*cli.Context
+}
+
+func (c *ContextCommandLine) ShowHelp() {
+	cli.ShowCommandHelp(c.Context, c.Command.Name)
+}
+
+func (c *ContextCommandLine) ShowVersion() {
+	cli.ShowVersion(c.Context)
+}
+
+func (c *ContextCommandLine) Application() *cli.App {
+	return c.App
+}
+
+func (c *ContextCommandLine) PluginDirectory() string {
+	return c.GlobalString("pluginsDir")
+}
+
+func (c *ContextCommandLine) RepoDirectory() string {
+	return c.GlobalString("repo")
+}
+
+func (c *ContextCommandLine) PluginURL() string {
+	return c.GlobalString("pluginUrl")
+}