Support prefix match for list domain command (uber#4275)

tools/cli/admin.go

@@ -415,6 +415,11 @@ func newAdminDomainCommands() []cli.Command {
 					Name:  FlagDeprecatedWithAlias,
 					Usage: "List deprecated domains only, by default only domains in REGISTERED status are listed",
 				},
+				cli.StringFlag{
+					Name:  FlagPrefix,
+					Usage: "List domains that are matching to the given prefix",
+					Value: "",
+				},
 				cli.BoolFlag{
 					Name:  FlagPrintFullyDetailWithAlias,
 					Usage: "Print full domain detail",

tools/cli/domainCommands.go

@@ -458,6 +458,7 @@ func (d *domainCLIImpl) DescribeDomain(c *cli.Context) {
 
 func (d *domainCLIImpl) ListDomains(c *cli.Context) {
 	pageSize := c.Int(FlagPageSize)
+	prefix := c.String(FlagPrefix)
 	printAll := c.Bool(FlagAll)
 	printDeprecated := c.Bool(FlagDeprecated)
 	printFull := c.Bool(FlagPrintFullyDetail)
@@ -469,6 +470,18 @@ func (d *domainCLIImpl) ListDomains(c *cli.Context) {
 
 	domains := d.getAllDomains(c)
 	var filteredDomains []*types.DescribeDomainResponse
+
+	// Only list domains that are matching to the prefix if prefix is provided
+	if len(prefix) > 0 {
+		var prefixDomains []*types.DescribeDomainResponse
+		for _, domain := range domains {
+			if strings.Index(domain.DomainInfo.Name, prefix) == 0 {
+				prefixDomains = append(prefixDomains, domain)
+			}
+		}
+		domains = prefixDomains
+	}
+
 	if printAll {
 		filteredDomains = domains
 	} else {

tools/cli/flags.go

@@ -112,6 +112,7 @@ const (
 	FlagMore                              = "more"
 	FlagMoreWithAlias                     = FlagMore + ", m"
 	FlagAll                               = "all"
+	FlagPrefix                            = "prefix"
 	FlagAllWithAlias                      = FlagAll + ", a"
 	FlagDeprecated                        = "deprecated"
 	FlagDeprecatedWithAlias               = FlagDeprecated + ", dep"