Adding changes to changelogs

CHANGELOG

@@ -1,5 +1,7 @@
-0.0.10 (unreleased)
+0.1.0 (unreleased)
 
+* Adding support for drain sub-command to take in JSON list from stdin or from a specified file.
+* Added flags `json-file` and `json` to drain, maintenance, and sla-drain.
 
 0.0.9
 

cmd/create.go

@@ -189,7 +189,7 @@ func createJob(cmd *cobra.Command, args []string) {
 		log.Fatal("unable to create Aurora job: ", err)
 	}
 
-	if ok, monitorErr := client.InstancesMonitor(auroraJob.JobKey(),
+	if ok, monitorErr := client.MonitorInstances(auroraJob.JobKey(),
 		auroraJob.GetInstanceCount(),
 		5,
 		50); !ok || monitorErr != nil {

cmd/kill.go

@@ -58,7 +58,7 @@ func killJob(cmd *cobra.Command, args []string) {
 		log.Fatalln(err)
 	}
 
-	if ok, err := client.InstancesMonitor(job.JobKey(), 0, 5, 50); !ok || err != nil {
+	if ok, err := client.MonitorInstances(job.JobKey(), 0, 5, 50); !ok || err != nil {
 		log.Fatalln("Unable to kill all instances of job")
 	}
 }

cmd/monitor.go

@@ -61,7 +61,7 @@ func monitorHost(cmd *cobra.Command, args []string) {
 	}
 
 	log.Infof("Monitoring for %v at %v intervals", monitorHostCmd.monitorTimeout, monitorHostCmd.monitorInterval)
-	hostResult, err := client.HostMaintenanceMonitor(args, maintenanceModes, monitorHostCmd.monitorInterval, monitorHostCmd.monitorTimeout)
+	hostResult, err := client.MonitorHostMaintenance(args, maintenanceModes, monitorHostCmd.monitorInterval, monitorHostCmd.monitorTimeout)
 
 	maintenanceMonitorPrint(hostResult, maintenanceModes)
 

cmd/pulse.go

@@ -36,7 +36,7 @@ var pulseJobUpdateCmd = &cobra.Command{
 
 func pulseJobUpdate(cmd *cobra.Command, args []string) {
 	_, err := client.PulseJobUpdate(
-		&aurora.JobUpdateKey{
+		aurora.JobUpdateKey{
 			Job: &aurora.JobKey{Environment: *env, Role: *role, Name: *name},
 			ID:  updateID,
 		})

cmd/resume.go

@@ -37,7 +37,7 @@ var resumeJobUpdateCmd = &cobra.Command{
 
 func resumeJobUpdate(cmd *cobra.Command, args []string) {
 	err := client.ResumeJobUpdate(
-		&aurora.JobUpdateKey{
+		aurora.JobUpdateKey{
 			Job: &aurora.JobKey{Environment: *env, Role: *role, Name: *name},
 			ID:  updateID,
 		},

cmd/root.go

@@ -36,6 +36,8 @@ var caCertsPath string
 var clientKey, clientCert string
 var configFile string
 var toJson bool
+var fromJson bool
+var fromJsonFile string
 var logLevel string
 var duration time.Duration
 var percent float64
@@ -43,10 +45,9 @@ var count int64
 var filename string
 var message = new(string)
 var updateID string
-var statusList = make([]string, 0, 0)
 var log = logrus.New()
 
-const australisVer = "v0.0.10"
+const australisVer = "v0.1.0"
 
 var forceDrainTimeout time.Duration
 

cmd/start.go

@@ -15,6 +15,10 @@
 package cmd
 
 import (
+	"encoding/json"
+	"errors"
+	"io/ioutil"
+	"os"
 	"time"
 
 	"github.com/paypal/gorealis/v2/gen-go/apache/aurora"
@@ -23,6 +27,8 @@ import (
 
 const countFlag = "count"
 const percentageFlag = "percentage"
+const jsonFlag = "json"
+const jsonFileFlag = "json-file"
 
 func init() {
 	rootCmd.AddCommand(startCmd)
@@ -34,6 +40,8 @@ func init() {
 	// Maintenance specific flags
 	startDrainCmd.cmd.Flags().DurationVar(&startDrainCmd.monitorInterval, "interval", time.Second*5, "Interval at which to poll scheduler.")
 	startDrainCmd.cmd.Flags().DurationVar(&startDrainCmd.monitorTimeout, "timeout", time.Minute*10, "Time after which the monitor will stop polling and throw an error.")
+	startDrainCmd.cmd.Flags().StringVar(&fromJsonFile, jsonFileFlag, "", "JSON file to read list of agents from.")
+	startDrainCmd.cmd.Flags().BoolVar(&fromJson, jsonFlag, false, "Read JSON list of agents from the STDIN.")
 
 	/* SLA Aware commands */
 	startCmd.AddCommand(startSLADrainCmd.cmd)
@@ -46,6 +54,8 @@ func init() {
 	startSLADrainCmd.cmd.Flags().DurationVar(&forceDrainTimeout, "sla-limit", time.Minute*60, "Time limit after which SLA-Aware drain sheds SLA Awareness.")
 	startSLADrainCmd.cmd.Flags().DurationVar(&startSLADrainCmd.monitorInterval, "interval", time.Second*10, "Interval at which to poll scheduler.")
 	startSLADrainCmd.cmd.Flags().DurationVar(&startSLADrainCmd.monitorTimeout, "timeout", time.Minute*20, "Time after which the monitor will stop polling and throw an error.")
+	startSLADrainCmd.cmd.Flags().StringVar(&fromJsonFile, jsonFileFlag, "", "JSON file to read list of agents from.")
+	startSLADrainCmd.cmd.Flags().BoolVar(&fromJson, jsonFlag, false, "Read JSON list of agents from the STDIN.")
 
 	startCmd.AddCommand(startMaintenanceCmd.cmd)
 	startMaintenanceCmd.cmd.Run = maintenance
@@ -53,6 +63,8 @@ func init() {
 	// SLA Maintenance specific flags
 	startMaintenanceCmd.cmd.Flags().DurationVar(&startMaintenanceCmd.monitorInterval, "interval", time.Second*5, "Interval at which to poll scheduler.")
 	startMaintenanceCmd.cmd.Flags().DurationVar(&startMaintenanceCmd.monitorTimeout, "timeout", time.Minute*10, "Time after which the monitor will stop polling and throw an error.")
+	startMaintenanceCmd.cmd.Flags().StringVar(&fromJsonFile, jsonFileFlag, "", "JSON file to read list of agents from.")
+	startMaintenanceCmd.cmd.Flags().BoolVar(&fromJson, jsonFlag, false, "Read JSON list of agents from the STDIN.")
 }
 
 var startCmd = &cobra.Command{
@@ -62,19 +74,19 @@ var startCmd = &cobra.Command{
 
 var startDrainCmd = monitorCmdConfig{
 	cmd: &cobra.Command{
-		Use:   "drain [space separated host list]",
+		Use:   "drain [space separated host list or use JSON flags]",
 		Short: "Place a list of space separated Mesos Agents into draining 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),
+		Args: argsValidateJSONFlags,
 	},
 }
 
 var startSLADrainCmd = monitorCmdConfig{
 	cmd: &cobra.Command{
-		Use:   "sla-drain [space separated host list]",
+		Use:   "sla-drain [space separated host list or use JSON flags]",
 		Short: "Place a list of space separated Mesos Agents into maintenance mode using SLA aware strategies.",
 		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
@@ -84,25 +96,66 @@ If the --count argument is passed, tasks will be drained using the count SLA pol
 when a Job does not have a defined SLA policy.
 If the --percentage argument is passed, tasks will be drained using the percentage SLA policy as a fallback
 when a Job does not have a defined SLA policy.`,
-		Args: cobra.MinimumNArgs(1),
+		Args: argsValidateJSONFlags,
 	},
 }
 
 var startMaintenanceCmd = monitorCmdConfig{
 	cmd: &cobra.Command{
-		Use:   "maintenance [space separated host list]",
+		Use:   "maintenance [space separated host list or use JSON flags]",
 		Short: "Place a list of space separated Mesos Agents into maintenance mode.",
 		Long: `Places Mesos Agent into Maintenance mode. Agents in this list
 are de-prioritized for scheduling a task. Command
 expects a space separated list of hosts to place into maintenance mode.`,
-		Args: cobra.MinimumNArgs(1),
+		Args: argsValidateJSONFlags,
 	},
 }
 
+func argsValidateJSONFlags(cmd *cobra.Command, args []string) error {
+	if cmd.Flags().Changed(jsonFlag) && cmd.Flags().Changed(jsonFileFlag) {
+		return errors.New("only json file or json stdin must be set")
+	}
+	// These two flags are mutually exclusive
+	if cmd.Flags().Changed(jsonFlag) != cmd.Flags().Changed(jsonFileFlag) {
+		return nil
+	}
+
+	if len(args) < 1 {
+		return errors.New("at least one host must be specified")
+	}
+	return nil
+}
+
+func hostList(cmd *cobra.Command, args []string) []string {
+	var hosts []string
+	if cmd.Flags().Changed(jsonFlag) {
+		err := json.NewDecoder(os.Stdin).Decode(&hosts)
+		if err != nil {
+			log.Fatal(err)
+		}
+	} else if cmd.Flags().Changed(jsonFileFlag) {
+		data, err := ioutil.ReadFile(fromJsonFile)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		err = json.Unmarshal(data, &hosts)
+		if err != nil {
+			log.Fatal(err)
+		}
+	} else {
+		hosts = args
+	}
+
+	return hosts
+}
+
 func drain(cmd *cobra.Command, args []string) {
+	hosts := hostList(cmd, args)
+
 	log.Infoln("Setting hosts to DRAINING")
-	log.Infoln(args)
-	result, err := client.DrainHosts(args...)
+	log.Infoln(hosts)
+	result, err := client.DrainHosts(hosts...)
 	if err != nil {
 		log.Fatalf("error: %+v", err)
 	}
@@ -111,8 +164,8 @@ func drain(cmd *cobra.Command, args []string) {
 
 	log.Infof("Monitoring for %v at %v intervals", monitorHostCmd.monitorTimeout, monitorHostCmd.monitorInterval)
 	// Monitor change to DRAINING and DRAINED mode
-	hostResult, err := client.HostMaintenanceMonitor(
-		args,
+	hostResult, err := client.MonitorHostMaintenance(
+		hosts,
 		[]aurora.MaintenanceMode{aurora.MaintenanceMode_DRAINED},
 		startDrainCmd.monitorInterval,
 		startDrainCmd.monitorTimeout)
@@ -125,7 +178,6 @@ func drain(cmd *cobra.Command, args []string) {
 }
 
 func slaDrainHosts(policy *aurora.SlaPolicy, interval, timeout time.Duration, hosts ...string) {
-
 	result, err := client.SLADrainHosts(policy, int64(forceDrainTimeout.Seconds()), hosts...)
 	if err != nil {
 		log.Fatalf("error: %+v\n", err)
@@ -135,7 +187,7 @@ func slaDrainHosts(policy *aurora.SlaPolicy, interval, timeout time.Duration, ho
 
 	log.Infof("Monitoring for %v at %v intervals", timeout, interval)
 	// Monitor change to DRAINING and DRAINED mode
-	hostResult, err := client.HostMaintenanceMonitor(
+	hostResult, err := client.MonitorHostMaintenance(
 		hosts,
 		[]aurora.MaintenanceMode{aurora.MaintenanceMode_DRAINED},
 		interval,
@@ -148,6 +200,8 @@ func slaDrainHosts(policy *aurora.SlaPolicy, interval, timeout time.Duration, ho
 	}
 }
 func slaDrain(cmd *cobra.Command, args []string) {
+	hosts := hostList(cmd, args)
+
 	// This check makes sure only a single flag is set.
 	// If they're both set or both not set, the statement will evaluate to true.
 	if cmd.Flags().Changed(percentageFlag) == cmd.Flags().Changed(countFlag) {
@@ -170,15 +224,17 @@ func slaDrain(cmd *cobra.Command, args []string) {
 	}
 
 	log.Infoln("Hosts affected: ", args)
-	slaDrainHosts(policy, startDrainCmd.monitorInterval, startDrainCmd.monitorTimeout, args...)
+	slaDrainHosts(policy, startDrainCmd.monitorInterval, startDrainCmd.monitorTimeout, hosts...)
 }
 
 func maintenance(cmd *cobra.Command, args []string) {
+	hosts := hostList(cmd, args)
+
 	log.Infoln("Setting hosts to Maintenance mode")
-	log.Infoln(args)
-	result, err := client.StartMaintenance(args...)
+	log.Infoln(hosts)
+	result, err := client.StartMaintenance(hosts...)
 	if err != nil {
-		log.Fatalf("error: %+v\n", err)
+		log.Fatalf("error: %+v", err)
 	}
 
 	log.Debugln(result)
@@ -186,8 +242,8 @@ func maintenance(cmd *cobra.Command, args []string) {
 	log.Infof("Monitoring for %v at %v intervals", monitorHostCmd.monitorTimeout, monitorHostCmd.monitorInterval)
 
 	// Monitor change to DRAINING and DRAINED mode
-	hostResult, err := client.HostMaintenanceMonitor(
-		args,
+	hostResult, err := client.MonitorHostMaintenance(
+		hosts,
 		[]aurora.MaintenanceMode{aurora.MaintenanceMode_SCHEDULED},
 		startMaintenanceCmd.monitorInterval,
 		startMaintenanceCmd.monitorTimeout)

cmd/stop.go

@@ -66,13 +66,13 @@ func endMaintenance(cmd *cobra.Command, args []string) {
 	log.Println(args)
 	result, err := client.EndMaintenance(args...)
 	if err != nil {
-		log.Fatalf("error: %+v\n", err)
+		log.Fatalf("error: %+v", err)
 	}
 
 	log.Debugln(result)
 
 	// Monitor change to NONE mode
-	hostResult, err := client.HostMaintenanceMonitor(
+	hostResult, err := client.MonitorHostMaintenance(
 		args,
 		[]aurora.MaintenanceMode{aurora.MaintenanceMode_NONE},
 		stopMaintenanceConfig.monitorInterval,

debian/changelog

@@ -1,6 +1,7 @@
-australis (0.0.10) unstable; urgency=medium
+australis (0.1.0) unstable; urgency=medium
 
-  * Unreleased
+  * Adding support for drain sub-command to take in JSON list from stdin or from a specified file.
+  * Added flags json-file and json to drain, maintenance, and sla-drain.
 
  -- Renan DelValle <renanidelvalle@gmail.com>  Wed, 29 Jan 2020 15:10:00 -0700
 

go.mod

@@ -4,7 +4,7 @@ require (
 	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/cpuguy83/go-md2man v1.0.10 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/paypal/gorealis/v2 v2.0.1
+	github.com/paypal/gorealis/v2 v2.21.0
 	github.com/pkg/errors v0.0.0-20171216070316-e881fd58d78e
 	github.com/sirupsen/logrus v1.2.0
 	github.com/spf13/cobra v0.0.0-20180115160933-0c34d16c3123

go.sum

@@ -1,62 +0,0 @@
-git.apache.org/thrift.git v0.12.0 h1:692K1/SsOcQvkvMRMdt60FCq2AvKpuQNM6sIeH3mN4s=
-git.apache.org/thrift.git v0.12.0/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
-github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
-github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
-github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
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-github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
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-github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
-github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
-github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
-github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/paypal/gorealis/v2 v2.0.1 h1:7V9jjoeRWeVWaTm9Fgc08gWq1/k/sebVDe2WeFWAVGA=
-github.com/paypal/gorealis/v2 v2.0.1/go.mod h1:mJz1e40v9vHyw8dDvzGvblHcCtFuJ+eo7yPjFYnowhE=
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-github.com/pkg/errors v0.0.0-20171216070316-e881fd58d78e/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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-github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
-github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
-github.com/samuel/go-zookeeper v0.0.0-20171117190445-471cd4e61d7a h1:EYL2xz/Zdo0hyqdZMXR4lmT2O11jDLTPCEqIe/FR6W4=
-github.com/samuel/go-zookeeper v0.0.0-20171117190445-471cd4e61d7a/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
-github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo=
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