Adding schedule command to schedule cron jobs.

Adding example of a cron job.

Removing functions since they've been moved elsewhere.

cmd/schedule.go

@@ -0,0 +1,52 @@
+/**
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+import (
+	"github.com/aurora-scheduler/australis/internal"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(scheduleCmd)
+
+}
+
+var scheduleCmd = &cobra.Command{
+	Use:   "schedule",
+	Short: "Schedule a cron job on Aurora scheduler",
+	Run:   scheduleCron,
+	Args:  cobra.ExactArgs(1),
+}
+
+func scheduleCron(cmd *cobra.Command, args []string) {
+	job, err := internal.UnmarshalJob(args[0])
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	if err := job.ValidateCron(); err != nil {
+		log.Fatal(err)
+	}
+
+	auroraJob, err := job.ToRealis()
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	if err := client.ScheduleCronJob(auroraJob); err != nil {
+		log.Fatal("unable to schedule job: ", err)
+	}
+}

docs/australis.md

@@ -34,6 +34,7 @@ A light-weight command line client for use with Apache Aurora built using goreal
 * [australis restart](australis_restart.md)	 - Restart an Aurora Job.
 * [australis resume](australis_resume.md)	 - Resume a Job update
 * [australis rollback](australis_rollback.md)	 - Rollback an operation such as an Update
+* [australis schedule](australis_schedule.md)	 - Schedule a cron job on Aurora scheduler
 * [australis set](australis_set.md)	 - Set a value in the Aurora Scheduler.
 * [australis start](australis_start.md)	 - Start a service, maintenance on a host (DRAIN), a snapshot, an update, or a backup.
 * [australis stop](australis_stop.md)	 - Stop a service or maintenance on a host (DRAIN).

docs/australis_schedule.md

@@ -0,0 +1,39 @@
+## australis schedule
+
+Schedule a cron job on Aurora scheduler
+
+### Synopsis
+
+Schedule a cron job on Aurora scheduler
+
+```
+australis schedule [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for schedule
+```
+
+### Options inherited from parent commands
+
+```
+  -a, --caCertsPath string      Path where CA certificates can be found.
+  -c, --clientCert string       Client certificate to use to connect to Aurora.
+  -k, --clientKey string        Client key to use to connect to Aurora.
+      --config string           Config file to use. (default "/etc/aurora/australis.yml")
+  -l, --logLevel string         Set logging level [panic fatal error warning info debug trace]. (default "info")
+  -p, --password string         Password to use for API authentication
+  -s, --scheduler_addr string   Aurora Scheduler's address.
+  -i, --skipCertVerification    Skip CA certificate hostname verification.
+      --toJSON                  Print output in JSON format.
+  -u, --username string         Username to use for API authentication
+  -z, --zookeeper string        Zookeeper node(s) where Aurora stores information. (comma separated list)
+```
+
+### SEE ALSO
+
+* [australis](australis.md)	 - australis is a client for Apache Aurora
+
+###### Auto generated by spf13/cobra on 7-May-2020

internal/converter.go

@@ -1,114 +0,0 @@
-/**
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package internal
-
-import (
-    "errors"
-    "fmt"
-    "strings"
-
-    realis "github.com/aurora-scheduler/gorealis/v2"
-)
-
-func (j *Job) ToRealis() (*realis.AuroraJob, error) {
-
-    auroraJob := realis.NewJob().
-        Environment(j.Environment).
-        Role(j.Role).
-        Name(j.Name).
-        CPU(j.CPU).
-        RAM(j.RAM).
-        Disk(j.Disk).
-        IsService(j.Service).
-        InstanceCount(j.Instances).
-        MaxFailure(j.MaxFailures)
-
-    // Adding URIs.
-    for _, uri := range j.URIs {
-        auroraJob.AddURIs(uri.Extract, uri.Cache, uri.URI)
-    }
-
-    // Adding Metadata.
-    for key, value := range j.Metadata {
-        auroraJob.AddLabel(key, value)
-    }
-
-    // If thermos jobs processes are provided, use them
-    if len(j.Thermos) > 0 {
-        thermosExec := realis.ThermosExecutor{}
-        for _, process := range j.Thermos {
-            thermosExec.AddProcess(realis.NewThermosProcess(process.Name, process.Cmd))
-        }
-        auroraJob.ThermosExecutor(thermosExec)
-    } else if j.Executor.Name != "" {
-        // Non-Thermos executor
-        if j.Executor.Name == "" {
-            return nil, errors.New("no executor name provided")
-        }
-
-        auroraJob.ExecutorName(j.Executor.Name)
-        auroraJob.ExecutorData(j.Executor.Data)
-    } else if j.Container != nil {
-        if j.Container.Docker == nil {
-            return nil, errors.New("no container specified")
-        }
-
-        if j.Container.Docker.Tag != "" && !strings.ContainsRune(j.Container.Docker.Name, ':') {
-            j.Container.Docker.Name += ":" + j.Container.Docker.Tag
-        }
-        auroraJob.Container(realis.NewDockerContainer().Image(j.Container.Docker.Name))
-
-    }
-
-    return auroraJob, nil
-}
-
-func (u *UpdateJob) ToRealis() (*realis.JobUpdate, error) {
-
-    jobConfig, err := u.JobConfig.ToRealis()
-    if err != nil {
-        return nil, fmt.Errorf("invalid job configuration %w", err)
-    }
-
-    update := realis.JobUpdateFromAuroraTask(jobConfig.AuroraTask())
-
-    update.MaxPerInstanceFailures(u.UpdateSettings.MaxPerInstanceFailures).
-        MaxFailedInstances(u.UpdateSettings.MaxFailedInstances).
-        WatchTime(u.UpdateSettings.MinTimeInRunning).
-        RollbackOnFail(u.UpdateSettings.RollbackOnFailure).
-        PulseIntervalTimeout(u.UpdateSettings.PulseTimeout).
-        SlaAware(u.UpdateSettings.SLAAware).
-        InstanceCount(u.UpdateSettings.InstanceCount)
-
-    strategy := u.UpdateSettings.Strategy
-    switch {
-    case strategy.VariableBatch != nil:
-        update.VariableBatchStrategy(strategy.VariableBatch.AutoPause, strategy.VariableBatch.GroupSizes...)
-    case strategy.Batch != nil:
-        update.BatchUpdateStrategy(strategy.Batch.AutoPause,strategy.Batch.GroupSize)
-    case strategy.Queue != nil:
-        update.QueueUpdateStrategy(strategy.Queue.GroupSize)
-    default:
-        update.QueueUpdateStrategy(1)
-    }
-
-    for _,r := range u.UpdateSettings.InstanceRanges {
-        update.AddInstanceRange(r.First, r.Last)
-    }
-
-    return update, nil
-
-
-}

internal/job.go

@@ -0,0 +1,180 @@
+/**
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package internal
+
+import (
+	"errors"
+	"strings"
+
+	realis "github.com/aurora-scheduler/gorealis/v2"
+	"github.com/aurora-scheduler/gorealis/v2/gen-go/apache/aurora"
+)
+
+type URI struct {
+	URI     string `yaml:"uri"`
+	Extract bool   `yaml:"extract"`
+	Cache   bool   `yaml:"cache"`
+}
+
+type Executor struct {
+	Name string `yaml:"name"`
+	Data string `yaml:"data"`
+}
+
+type ThermosProcess struct {
+	Name string `yaml:"name"`
+	Cmd  string `yaml:"cmd"`
+}
+
+type DockerContainer struct {
+	Name string `yaml:"name"`
+	Tag  string `yaml:"tag"`
+}
+
+type Container struct {
+	Docker *DockerContainer `yaml:"docker"`
+}
+
+type Job struct {
+	Environment         string            `yaml:"environment"`
+	Role                string            `yaml:"role"`
+	Name                string            `yaml:"name"`
+	CPU                 float64           `yaml:"cpu"`
+	RAM                 int64             `yaml:"ram"`
+	Disk                int64             `yaml:"disk"`
+	Executor            Executor          `yaml:"executor"`
+	Instances           int32             `yaml:"instances"`
+	MaxFailures         int32             `yaml:"maxFailures"`
+	URIs                []URI             `yaml:"uris"`
+	Metadata            map[string]string `yaml:"labels"`
+	Service             bool              `yaml:"service"`
+	Thermos             []ThermosProcess  `yaml:",flow,omitempty"`
+	Container           *Container        `yaml:"container,omitempty"`
+	CronSchedule        *string           `yaml:"cronSchedule,omitempty"`
+	CronCollisionPolicy *string           `yaml:"cronCollisionPolicy,omitempty"`
+}
+
+func (j *Job) ToRealis() (*realis.AuroraJob, error) {
+	auroraJob := realis.NewJob().
+		Environment(j.Environment).
+		Role(j.Role).
+		Name(j.Name).
+		CPU(j.CPU).
+		RAM(j.RAM).
+		Disk(j.Disk).
+		IsService(j.Service).
+		InstanceCount(j.Instances).
+		MaxFailure(j.MaxFailures)
+
+	if j.CronSchedule != nil {
+		auroraJob.CronSchedule(*j.CronSchedule)
+	}
+
+	if j.CronCollisionPolicy != nil {
+		// Ignoring error because we have already checked for it in the validate function
+		policy, _ := aurora.CronCollisionPolicyFromString(*j.CronCollisionPolicy)
+		auroraJob.CronCollisionPolicy(policy)
+	}
+
+	// Adding URIs.
+	for _, uri := range j.URIs {
+		auroraJob.AddURIs(uri.Extract, uri.Cache, uri.URI)
+	}
+
+	// Adding Metadata.
+	for key, value := range j.Metadata {
+		auroraJob.AddLabel(key, value)
+	}
+
+	// If thermos jobs processes are provided, use them
+	if len(j.Thermos) > 0 {
+		thermosExec := realis.ThermosExecutor{}
+		for _, process := range j.Thermos {
+			thermosExec.AddProcess(realis.NewThermosProcess(process.Name, process.Cmd))
+		}
+		auroraJob.ThermosExecutor(thermosExec)
+	} else if j.Executor.Name != "" {
+		// Non-Thermos executor
+		if j.Executor.Name == "" {
+			return nil, errors.New("no executor name provided")
+		}
+
+		auroraJob.ExecutorName(j.Executor.Name)
+		auroraJob.ExecutorData(j.Executor.Data)
+	} else if j.Container != nil {
+		if j.Container.Docker == nil {
+			return nil, errors.New("no container specified")
+		}
+
+		if j.Container.Docker.Tag != "" && !strings.ContainsRune(j.Container.Docker.Name, ':') {
+			j.Container.Docker.Name += ":" + j.Container.Docker.Tag
+		}
+		auroraJob.Container(realis.NewDockerContainer().Image(j.Container.Docker.Name))
+
+	}
+
+	return auroraJob, nil
+}
+
+func (j *Job) Validate() error {
+	if j.Name == "" {
+		return errors.New("job name not specified")
+	}
+
+	if j.Role == "" {
+		return errors.New("job role not specified")
+	}
+
+	if j.Environment == "" {
+		return errors.New("job environment not specified")
+	}
+
+	if j.Instances <= 0 {
+		return errors.New("number of instances in job cannot be less than or equal to 0")
+	}
+
+	if j.CPU <= 0.0 {
+		return errors.New("CPU must be greater than 0")
+	}
+
+	if j.RAM <= 0 {
+		return errors.New("RAM must be greater than 0")
+	}
+
+	if j.Disk <= 0 {
+		return errors.New("disk must be greater than 0")
+	}
+
+	if len(j.Thermos) == 0 && j.Executor.Name == "" && j.Container == nil {
+		return errors.New("task does not contain a thermos definition, a custom executor name, or a container to launch")
+	}
+	return nil
+}
+func (j *Job) ValidateCron() error {
+	if j.CronSchedule == nil {
+		return errors.New("cron schedule must be set")
+	}
+
+	if j.CronCollisionPolicy != nil {
+		if _, err := aurora.CronCollisionPolicyFromString(*j.CronCollisionPolicy); err != nil {
+			return err
+		}
+	} else {
+		killExisting := aurora.CronCollisionPolicy_KILL_EXISTING.String()
+		j.CronCollisionPolicy = &killExisting
+	}
+
+	return nil
+}

internal/types.go

@@ -1,101 +0,0 @@
-/**
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package internal
-
-import (
-	"time"
-)
-
-type URI struct {
-	URI     string `yaml:"uri"`
-	Extract bool   `yaml:"extract"`
-	Cache   bool   `yaml:"cache"`
-}
-
-type Executor struct {
-	Name string `yaml:"name"`
-	Data string `yaml:"data"`
-}
-
-type ThermosProcess struct {
-	Name string `yaml:"name"`
-	Cmd  string `yaml:"cmd"`
-}
-
-type DockerContainer struct {
-	Name string `yaml:"name"`
-	Tag  string `yaml:"tag"`
-}
-
-type Container struct {
-	Docker *DockerContainer `yaml:"docker"`
-}
-
-type Job struct {
-	Environment string            `yaml:"environment"`
-	Role        string            `yaml:"role"`
-	Name        string            `yaml:"name"`
-	CPU         float64           `yaml:"cpu"`
-	RAM         int64             `yaml:"ram"`
-	Disk        int64             `yaml:"disk"`
-	Executor    Executor          `yaml:"executor"`
-	Instances   int32             `yaml:"instances"`
-	MaxFailures int32             `yaml:"maxFailures"`
-	URIs        []URI             `yaml:"uris"`
-	Metadata    map[string]string `yaml:"labels"`
-	Service     bool              `yaml:"service"`
-	Thermos     []ThermosProcess  `yaml:",flow,omitempty"`
-	Container   *Container        `yaml:"container,omitempty"`
-}
-type InstanceRange struct {
-	First int32 `yaml:"first"`
-	Last  int32 `yaml:"last"`
-}
-
-type VariableBatchStrategy struct {
-	GroupSizes []int32 `yaml:"groupSizes"`
-	AutoPause  bool    `yaml:"autoPause"`
-}
-
-type BatchStrategy struct {
-	GroupSize int32 `yaml:"groupSize"`
-	AutoPause bool  `yaml:"autoPause"`
-}
-
-type QueueStrategy struct {
-	GroupSize int32 `yaml:"groupSize"`
-}
-
-type UpdateStrategy struct {
-	VariableBatch *VariableBatchStrategy `yaml:"variableBatch"`
-	Batch         *BatchStrategy         `yaml:"batch"`
-	Queue         *QueueStrategy         `yaml:"queue"`
-}
-type UpdateSettings struct {
-	MaxPerInstanceFailures int32           `yaml:"maxPerInstanceFailures"`
-	MaxFailedInstances     int32           `yaml:"maxFailedInstances"`
-	MinTimeInRunning       time.Duration   `yaml:"minTimeRunning"`
-	RollbackOnFailure      bool            `yaml:"rollbackOnFailure"`
-	InstanceRanges         []InstanceRange `yaml:"instanceRanges"`
-	InstanceCount          int32           `yaml:"instanceCount"`
-	PulseTimeout           time.Duration   `yaml:"pulseTimeout"`
-	SLAAware               bool            `yaml:"slaAware"`
-	Strategy               UpdateStrategy  `yaml:"strategy"`
-}
-
-type UpdateJob struct {
-	JobConfig      Job            `yaml:"jobConfig"`
-	UpdateSettings UpdateSettings `yaml:"updateSettings"`
-}

internal/updateJob.go

@@ -0,0 +1,128 @@
+/**
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package internal
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	realis "github.com/aurora-scheduler/gorealis/v2"
+)
+
+type InstanceRange struct {
+	First int32 `yaml:"first"`
+	Last  int32 `yaml:"last"`
+}
+
+type VariableBatchStrategy struct {
+	GroupSizes []int32 `yaml:"groupSizes"`
+	AutoPause  bool    `yaml:"autoPause"`
+}
+
+type BatchStrategy struct {
+	GroupSize int32 `yaml:"groupSize"`
+	AutoPause bool  `yaml:"autoPause"`
+}
+
+type QueueStrategy struct {
+	GroupSize int32 `yaml:"groupSize"`
+}
+
+type UpdateStrategy struct {
+	VariableBatch *VariableBatchStrategy `yaml:"variableBatch"`
+	Batch         *BatchStrategy         `yaml:"batch"`
+	Queue         *QueueStrategy         `yaml:"queue"`
+}
+type UpdateSettings struct {
+	MaxPerInstanceFailures int32           `yaml:"maxPerInstanceFailures"`
+	MaxFailedInstances     int32           `yaml:"maxFailedInstances"`
+	MinTimeInRunning       time.Duration   `yaml:"minTimeRunning"`
+	RollbackOnFailure      bool            `yaml:"rollbackOnFailure"`
+	InstanceRanges         []InstanceRange `yaml:"instanceRanges"`
+	InstanceCount          int32           `yaml:"instanceCount"`
+	PulseTimeout           time.Duration   `yaml:"pulseTimeout"`
+	SLAAware               bool            `yaml:"slaAware"`
+	Strategy               UpdateStrategy  `yaml:"strategy"`
+}
+
+func (u *UpdateSettings) Validate() error {
+	if u.InstanceCount <= 0 {
+		return errors.New("instance count must be larger than 0")
+	}
+
+	if u.Strategy.VariableBatch != nil {
+		if len(u.Strategy.VariableBatch.GroupSizes) == 0 {
+			return errors.New("variable batch strategy must specify at least one batch size")
+		}
+		for _, batch := range u.Strategy.VariableBatch.GroupSizes {
+			if batch <= 0 {
+				return errors.New("all groups in a variable batch strategy must be larger than 0")
+			}
+		}
+	} else if u.Strategy.Batch != nil {
+		if u.Strategy.Batch.GroupSize <= 0 {
+			return errors.New("batch strategy must specify a group larger than 0")
+		}
+	} else if u.Strategy.Queue != nil {
+		if u.Strategy.Queue.GroupSize <= 0 {
+			return errors.New("queue strategy must specify a group larger than 0")
+		}
+	} else {
+		log.Info("No strategy set, falling back on queue strategy with a group size 1")
+	}
+	return nil
+}
+
+type UpdateJob struct {
+	JobConfig      Job            `yaml:"jobConfig"`
+	UpdateSettings UpdateSettings `yaml:"updateSettings"`
+}
+
+func (u *UpdateJob) ToRealis() (*realis.JobUpdate, error) {
+	jobConfig, err := u.JobConfig.ToRealis()
+	if err != nil {
+		return nil, fmt.Errorf("invalid job configuration %w", err)
+	}
+
+	update := realis.JobUpdateFromAuroraTask(jobConfig.AuroraTask())
+
+	update.MaxPerInstanceFailures(u.UpdateSettings.MaxPerInstanceFailures).
+		MaxFailedInstances(u.UpdateSettings.MaxFailedInstances).
+		WatchTime(u.UpdateSettings.MinTimeInRunning).
+		RollbackOnFail(u.UpdateSettings.RollbackOnFailure).
+		PulseIntervalTimeout(u.UpdateSettings.PulseTimeout).
+		SlaAware(u.UpdateSettings.SLAAware).
+		InstanceCount(u.UpdateSettings.InstanceCount)
+
+	strategy := u.UpdateSettings.Strategy
+	switch {
+	case strategy.VariableBatch != nil:
+		update.VariableBatchStrategy(strategy.VariableBatch.AutoPause, strategy.VariableBatch.GroupSizes...)
+	case strategy.Batch != nil:
+		update.BatchUpdateStrategy(strategy.Batch.AutoPause, strategy.Batch.GroupSize)
+	case strategy.Queue != nil:
+		update.QueueUpdateStrategy(strategy.Queue.GroupSize)
+	default:
+		update.QueueUpdateStrategy(1)
+	}
+
+	for _, r := range u.UpdateSettings.InstanceRanges {
+		update.AddInstanceRange(r.First, r.Last)
+	}
+
+	return update, nil
+
+}

internal/util.go

@@ -118,41 +118,6 @@ func UnmarshalJob(filename string) (Job, error) {
 	return job, nil
 }
 
-func (j *Job) Validate() error {
-	if j.Name == "" {
-		return errors.New("job name not specified")
-	}
-
-	if j.Role == "" {
-		return errors.New("job role not specified")
-	}
-
-	if j.Environment == "" {
-		return errors.New("job environment not specified")
-	}
-
-	if j.Instances <= 0 {
-		return errors.New("number of instances in job cannot be less than or equal to 0")
-	}
-
-	if j.CPU <= 0.0 {
-		return errors.New("CPU must be greater than 0")
-	}
-
-	if j.RAM <= 0 {
-		return errors.New("RAM must be greater than 0")
-	}
-
-	if j.Disk <= 0 {
-		return errors.New("Disk must be greater than 0")
-	}
-
-	if len(j.Thermos) == 0 && j.Executor.Name == "" && j.Container == nil {
-		return errors.New("task does not contain a thermos definition, a custom executor name, or a container to launch")
-	}
-	return nil
-}
-
 func UnmarshalUpdate(filename string) (UpdateJob, error) {
 
 	updateJob := UpdateJob{}
@@ -174,31 +139,3 @@ func UnmarshalUpdate(filename string) (UpdateJob, error) {
 
 	return updateJob, nil
 }
-
-func (u *UpdateSettings) Validate() error {
-	if u.InstanceCount <= 0 {
-		return errors.New("instance count must be larger than 0")
-	}
-
-	if u.Strategy.VariableBatch != nil {
-		if len(u.Strategy.VariableBatch.GroupSizes) == 0 {
-			return errors.New("variable batch strategy must specify at least one batch size")
-		}
-		for _, batch := range u.Strategy.VariableBatch.GroupSizes {
-			if batch <= 0 {
-				return errors.New("all groups in a variable batch strategy must be larger than 0")
-			}
-		}
-	} else if u.Strategy.Batch != nil {
-		if u.Strategy.Batch.GroupSize <= 0 {
-			return errors.New("batch strategy must specify a group larger than 0")
-		}
-	} else if u.Strategy.Queue != nil {
-		if u.Strategy.Queue.GroupSize <= 0 {
-			return errors.New("queue strategy must specify a group larger than 0")
-		}
-	} else {
-		log.Info("No strategy set, falling back on queue strategy with a group size 1")
-	}
-	return nil
-}

test/hello_world_cron.yaml

@@ -0,0 +1,28 @@
+---
+environment: "prod"
+role: "vagrant"
+name: "hello_world"
+cpu: 0.09
+ram: 64
+disk: 128
+instances: 1
+cronSchedule: "*/1 * * * *"
+cronCollisionPolicy: "CANCEL_NEW"
+thermos:
+  - name: "bootstrap"
+    cmd: "echo bootstrapping"
+  - name: "hello_gorealis"
+    cmd: "echo hello world from gorealis; sleep 10;"
+updateSettings:
+  maxPerInstanceFailures: 1
+  maxFailedInstances: 1
+  minTimeInRunning: 1m
+  rollbackOnFailure: true
+  instanceRanges:
+    - start: 1
+      end: 4
+  blockIfNoPulseAfter: 1m
+  slaAware: false
+  strategy:
+    name: Batch
+    groupSize: 2