CLI: Add datasource:info command

Describes the full datasource details given an account and
datasource name.

pkg/cmd/datasource.go

@@ -12,12 +12,20 @@ import (
 	"text/tabwriter"
 )
 
-var ListDataSources = cli.Command{
-	Name:        "datasource",
-	Usage:       "list datasources",
-	Description: "Lists the datasources in the system",
-	Action:      listDatasources,
-}
+var (
+	ListDataSources = cli.Command{
+		Name:        "datasource",
+		Usage:       "list datasources",
+		Description: "Lists the datasources in the system",
+		Action:      listDatasources,
+	}
+	DescribeDataSource = cli.Command{
+		Name:        "datasource:info",
+		Usage:       "describe the details of a datasource",
+		Description: "Describes the details of a datasource",
+		Action:      describeDataSource,
+	}
+)
 
 func listDatasources(c *cli.Context) {
 	setting.NewConfigContext()
@@ -50,3 +58,46 @@ func listDatasources(c *cli.Context) {
 	}
 	w.Flush()
 }
+
+func describeDataSource(c *cli.Context) {
+	setting.NewConfigContext()
+	sqlstore.NewEngine()
+	sqlstore.EnsureAdminUser()
+
+	if len(c.Args()) != 2 {
+		log.ConsoleFatal("Account and datasource name args are required")
+	}
+
+	name := c.Args().First()
+	ds := c.Args()[1]
+
+	accountQuery := m.GetAccountByNameQuery{Name: name}
+	if err := bus.Dispatch(&accountQuery); err != nil {
+		log.ConsoleFatalf("Failed to find account: %s", err)
+	}
+
+	accountId := accountQuery.Result.Id
+
+	query := m.GetDataSourceByNameQuery{AccountId: accountId, Name: ds}
+	if err := bus.Dispatch(&query); err != nil {
+		log.ConsoleFatalf("Failed to find accounts: %s", err)
+	}
+	datasource := query.Result
+
+	w := tabwriter.NewWriter(os.Stdout, 20, 1, 4, ' ', 0)
+	fmt.Fprintf(w, "NAME\t%s\n", datasource.Name)
+	fmt.Fprintf(w, "URL\t%s\n", datasource.Url)
+	fmt.Fprintf(w, "DEFAULT\t%t\n", datasource.IsDefault)
+	fmt.Fprintf(w, "ACCESS\t%s\n", datasource.Access)
+	fmt.Fprintf(w, "TYPE\t%s\n", datasource.Type)
+
+	switch datasource.Type {
+	case m.DS_INFLUXDB:
+		fmt.Fprintf(w, "DATABASE\t%s\n", datasource.Database)
+		fmt.Fprintf(w, "DB USER\t%s\n", datasource.User)
+		fmt.Fprintf(w, "DB PASSWORD\t%s\n", datasource.Password)
+	case m.DS_ES:
+		fmt.Fprintf(w, "INDEX\t%s\n", datasource.Database)
+	}
+	w.Flush()
+}