Adding new verbs and fleshing out the skeleton. Drain works while Kill has an error tha requires a deeper dive.

cmd/create.go

@@ -0,0 +1,27 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(createCmd)
+	createCmd.Flags().StringVarP(&env, "environment", "e", "", "Aurora Environment")
+	createCmd.Flags().StringVarP(&role, "role", "r", "", "Aurora Role")
+	createCmd.Flags().StringVarP(&name, "name", "n", "", "Aurora Name")
+	createCmd.MarkFlagRequired("environment")
+	createCmd.MarkFlagRequired("role")
+	createCmd.MarkFlagRequired("name")
+}
+
+var createCmd = &cobra.Command{
+	Use:   "create",
+	Short: "Create an Aurora Job",
+	Run:   createJob,
+}
+
+func createJob(cmd *cobra.Command, args []string) {
+	fmt.Println("Not implemented yet.")
+}

cmd/drain.go

@@ -1,27 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-
-	"github.com/spf13/cobra"
-)
-
-func init() {
-	rootCmd.AddCommand(drainCmd)
-}
-
-var drainCmd = &cobra.Command{
-	Use:   "drain [space separated host list]",
-	Short: "Place a list of space separated Mesos Agents into maintenance mode.",
-	Long: `Adds a Mesos Agent to Aurora's Drain list. Agents in this list
-    are not allowed to schedule new tasks and any tasks already running on this Agent
-    are killed and rescheduled in an Agent that is not in maintenance mode. Command
-    expects a space separated list of hosts to place into maintenance mode.`,
-	Args: cobra.MinimumNArgs(1),
-	Run:  drain,
-}
-
-func drain(cmd *cobra.Command, args []string) {
-
-	fmt.Print(args)
-}

cmd/kill.go

@@ -2,12 +2,14 @@ package cmd
 
 import (
 	"fmt"
+	"log"
+	"os"
 
+	realis "github.com/paypal/gorealis"
+	"github.com/paypal/gorealis/gen-go/apache/aurora"
 	"github.com/spf13/cobra"
 )
 
-var env, role, name string
-
 func init() {
 	rootCmd.AddCommand(killCmd)
 	killCmd.Flags().StringVarP(&env, "environment", "e", "", "Aurora Environment")
@@ -20,8 +22,28 @@ func init() {
 
 var killCmd = &cobra.Command{
 	Use:   "kill",
-	Short: "kill an Aurora Job",
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Printf("%s %s %s", env, role, name)
-	},
+	Short: "Kill an Aurora Job",
+	Run:   killJob,
+}
+
+func killJob(cmd *cobra.Command, args []string) {
+	log.Printf("Killing job [Env:%s Role:%s Name:%s]\n", env, role, name)
+
+	job := realis.NewJob().
+		Environment(env).
+		Role(role).
+		Name(name)
+	resp, err := client.KillJob(job.JobKey())
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	if resp.ResponseCode == aurora.ResponseCode_OK {
+		if ok, err := monitor.Instances(job.JobKey(), 0, 5, 50); !ok || err != nil {
+			log.Println("Unable to kill all instances of job")
+			os.Exit(1)
+		}
+	}
+	fmt.Println(resp.String())
 }

cmd/root.go

@@ -1,13 +1,65 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/paypal/gorealis"
+	"github.com/spf13/cobra"
+)
 
 var rootCmd = &cobra.Command{
-	Use:   "ionbeam",
-	Short: "ionbeam is a client for Apache Aurora",
-	Long:  `A light-weight, intuitive command line client for use with Apache Aurora.`,
+	Use:              "australis",
+	Short:            "australis is a client for Apache Aurora",
+	Long:             `A light-weight command line client for use with Apache Aurora built using gorealis.`,
+	PersistentPreRun: connect,
+	PersistentPostRun: func(cmd *cobra.Command, args []string) {
+		// Make all children close the client by default upon terminating
+		client.Close()
+	},
+}
+
+var username, password, zkurl string
+var env, role, name string
+var client realis.Realis
+var monitor *realis.Monitor
+
+func init() {
+	rootCmd.PersistentFlags().StringVarP(&zkurl, "zookeeper", "z", "", "Zookeeper node(s) where Aurora stores information.")
+	rootCmd.PersistentFlags().StringVarP(&username, "username", "u", "", "Username to use for API authentification")
+	rootCmd.PersistentFlags().StringVarP(&password, "password", "p", "", "Password to use for API authentification")
+
+	// TODO(rdelvalle): Add plain URL support. Enforce that url or zookeepr is set. Consider adding support for clusters.json.
+	// For now make ZK mandatory
+	rootCmd.MarkPersistentFlagRequired("zookeeper")
 }
 
 func Execute() {
 	rootCmd.Execute()
 }
+
+func connect(cmd *cobra.Command, args []string) {
+
+	var err error
+
+	// Connect to Aurora Scheduler and create a client object
+	client, err = realis.NewRealisClient(
+		realis.BasicAuth(username, password),
+		realis.ThriftJSON(),
+		realis.TimeoutMS(20000),
+		realis.BackOff(&realis.Backoff{
+			Steps:    2,
+			Duration: 10 * time.Second,
+			Factor:   2.0,
+			Jitter:   0.1,
+		}),
+		realis.ZKUrl(zkurl))
+
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	monitor = &realis.Monitor{Client: client}
+
+}

cmd/start.go

@@ -0,0 +1,61 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/paypal/gorealis/gen-go/apache/aurora"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(startCmd)
+
+	// Sub-commands
+	startCmd.AddCommand(startMaintCmd)
+}
+
+var startCmd = &cobra.Command{
+	Use:   "start",
+	Short: "Start a service or maintenance on a host (DRAIN).",
+}
+
+var startMaintCmd = &cobra.Command{
+	Use:   "drain [space separated host list]",
+	Short: "Place a list of space separated Mesos Agents into maintenance mode.",
+	Long: `Adds a Mesos Agent to Aurora's Drain list. Agents in this list
+are not allowed to schedule new tasks and any tasks already running on this Agent
+are killed and rescheduled in an Agent that is not in maintenance mode. Command
+expects a space separated list of hosts to place into maintenance mode.`,
+	Args: cobra.MinimumNArgs(1),
+	Run:  drain,
+}
+
+func drain(cmd *cobra.Command, args []string) {
+	fmt.Println("Setting hosts to DRAINING")
+	fmt.Println(args)
+	_, result, err := client.DrainHosts(args...)
+	if err != nil {
+		fmt.Printf("error: %+v\n", err.Error())
+		os.Exit(1)
+	}
+
+	// Monitor change to DRAINING and DRAINED mode
+	hostResult, err := monitor.HostMaintenance(
+		args,
+		[]aurora.MaintenanceMode{aurora.MaintenanceMode_DRAINED, aurora.MaintenanceMode_DRAINING},
+		5,
+		10)
+	if err != nil {
+		for host, ok := range hostResult {
+			if !ok {
+				fmt.Printf("Host %s did not transtion into desired mode(s)\n", host)
+			}
+		}
+
+		fmt.Printf("error: %+v\n", err.Error())
+		return
+	}
+
+	fmt.Print(result.String())
+}

cmd/stop.go

@@ -0,0 +1,57 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/paypal/gorealis/gen-go/apache/aurora"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(stopCmd)
+
+	// Stop subcommands
+	stopCmd.AddCommand(stopMaintCmd)
+}
+
+var stopCmd = &cobra.Command{
+	Use:   "stop",
+	Short: "Stop a service or maintenance on a host (DRAIN).",
+}
+
+var stopMaintCmd = &cobra.Command{
+	Use:   "drain [space separated host list]",
+	Short: "Stop maintenance on a host (move to NONE).",
+	Long:  `Transition a list of hosts currently in a maintenance status out of it.`,
+	Run:   endMaintenance,
+}
+
+func endMaintenance(cmd *cobra.Command, args []string) {
+	fmt.Println("Setting hosts to NONE maintenance status.")
+	fmt.Println(args)
+	_, result, err := client.EndMaintenance(args...)
+	if err != nil {
+		fmt.Printf("error: %+v\n", err.Error())
+		os.Exit(1)
+	}
+
+	// Monitor change to NONE mode
+	hostResult, err := monitor.HostMaintenance(
+		args,
+		[]aurora.MaintenanceMode{aurora.MaintenanceMode_NONE},
+		5,
+		10)
+	if err != nil {
+		for host, ok := range hostResult {
+			if !ok {
+				fmt.Printf("Host %s did not transtion into desired mode(s)\n", host)
+			}
+		}
+
+		fmt.Printf("error: %+v\n", err.Error())
+		return
+	}
+
+	fmt.Print(result.String())
+}

main.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-  "github.com/rdelval/ionbeam/cmd"
+	"github.com/rdelval/australis/cmd"
 )
 
 func main() {