Added _patch method (#57)

Author: moul

cli.go

@@ -165,6 +165,7 @@ var commands = []*Command{
 	cmdKill,
 	cmdLogin,
 	cmdLogs,
+	cmdPatch,
 	cmdPort,
 	cmdPs,
 	cmdRename,

patch.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	log "github.com/Sirupsen/logrus"
+)
+
+var cmdPatch = &Command{
+	Exec:        runPatch,
+	UsageLine:   "_patch [OPTIONS] IDENTIFIER FIELD=VALUE",
+	Description: "",
+	Hidden:      true,
+	Help:        "PATCH an object on the API",
+	Examples: `
+    $ scw _patch myserver state_detail=booted
+`,
+}
+
+func init() {
+	cmdPatch.Flag.BoolVar(&patchHelp, []string{"h", "-help"}, false, "Print usage")
+}
+
+// Flags
+var patchHelp bool // -h, --help flag
+
+func runPatch(cmd *Command, args []string) {
+	if patchHelp {
+		cmd.PrintUsage()
+	}
+	if len(args) != 2 {
+		cmd.PrintShortUsage()
+	}
+
+	// Parsing FIELD=VALUE
+	updateParts := strings.Split(args[1], "=")
+	if len(updateParts) != 2 {
+		cmd.PrintShortUsage()
+	}
+	fieldName := updateParts[0]
+	newValue := updateParts[1]
+
+	ident := getIdentifier(cmd.API, args[0])
+	switch ident.Type {
+	case IdentifierServer:
+		var payload ScalewayServerPatchDefinition
+
+		switch fieldName {
+		case "state_detail":
+			payload.StateDetail = &newValue
+		case "name":
+			payload.Name = &newValue
+			log.Warnf("Use 'scw rename instead'")
+		default:
+			log.Fatalf("'_patch server %s=' not implemented", fieldName)
+		}
+
+		err := cmd.API.PatchServer(ident.Identifier, payload)
+		if err != nil {
+			log.Fatalf("Cannot rename server: %v", err)
+		}
+	default:
+		log.Fatalf("_patch not implemented for this kind of object")
+	}
+	fmt.Println(ident.Identifier)
+}