package worker
import (
- "io"
+ "sort"
+ "strings"
"time"
- "git.curoverse.com/arvados.git/lib/cloud"
- "git.curoverse.com/arvados.git/lib/dispatchcloud/test"
- "git.curoverse.com/arvados.git/sdk/go/arvados"
- "github.com/sirupsen/logrus"
+ "git.arvados.org/arvados.git/lib/cloud"
+ "git.arvados.org/arvados.git/lib/dispatchcloud/test"
+ "git.arvados.org/arvados.git/sdk/go/arvados"
+ "git.arvados.org/arvados.git/sdk/go/ctxlog"
+ "github.com/prometheus/client_golang/prometheus"
check "gopkg.in/check.v1"
)
type PoolSuite struct{}
-func (suite *PoolSuite) SetUpSuite(c *check.C) {
- logrus.StandardLogger().SetLevel(logrus.DebugLevel)
-}
+func (suite *PoolSuite) TestResumeAfterRestart(c *check.C) {
+ type1 := test.InstanceType(1)
+ type2 := test.InstanceType(2)
+ type3 := test.InstanceType(3)
+ waitForIdle := func(pool *Pool, notify <-chan struct{}) {
+ timeout := time.NewTimer(time.Second)
+ for {
+ instances := pool.Instances()
+ sort.Slice(instances, func(i, j int) bool {
+ return strings.Compare(instances[i].ArvadosInstanceType, instances[j].ArvadosInstanceType) < 0
+ })
+ if len(instances) == 3 &&
+ instances[0].ArvadosInstanceType == type1.Name &&
+ instances[0].WorkerState == StateIdle.String() &&
+ instances[1].ArvadosInstanceType == type1.Name &&
+ instances[1].WorkerState == StateIdle.String() &&
+ instances[2].ArvadosInstanceType == type2.Name &&
+ instances[2].WorkerState == StateIdle.String() {
+ return
+ }
+ select {
+ case <-timeout.C:
+ c.Logf("pool.Instances() == %#v", instances)
+ c.Error("timed out")
+ return
+ case <-notify:
+ }
+ }
+ }
-func (suite *PoolSuite) TestStartContainer(c *check.C) {
- // TODO: use an instanceSet stub with an SSH server
-}
+ logger := ctxlog.TestLogger(c)
+ driver := &test.StubDriver{}
+ instanceSetID := cloud.InstanceSetID("test-instance-set-id")
+ is, err := driver.InstanceSet(nil, instanceSetID, nil, logger)
+ c.Assert(err, check.IsNil)
+
+ newExecutor := func(cloud.Instance) Executor {
+ return stubExecutor{
+ "crunch-run --list": stubResp{},
+ "true": stubResp{},
+ }
+ }
+
+ cluster := &arvados.Cluster{
+ Containers: arvados.ContainersConfig{
+ CloudVMs: arvados.CloudVMsConfig{
+ BootProbeCommand: "true",
+ MaxProbesPerSecond: 1000,
+ ProbeInterval: arvados.Duration(time.Millisecond * 10),
+ SyncInterval: arvados.Duration(time.Millisecond * 10),
+ TagKeyPrefix: "testprefix:",
+ },
+ },
+ InstanceTypes: arvados.InstanceTypeMap{
+ type1.Name: type1,
+ type2.Name: type2,
+ type3.Name: type3,
+ },
+ }
+
+ pool := NewPool(logger, arvados.NewClientFromEnv(), prometheus.NewRegistry(), instanceSetID, is, newExecutor, nil, cluster)
+ notify := pool.Subscribe()
+ defer pool.Unsubscribe(notify)
+ pool.Create(type1)
+ pool.Create(type1)
+ pool.Create(type2)
+ waitForIdle(pool, notify)
+ var heldInstanceID cloud.InstanceID
+ for _, inst := range pool.Instances() {
+ if inst.ArvadosInstanceType == type2.Name {
+ heldInstanceID = cloud.InstanceID(inst.Instance)
+ pool.SetIdleBehavior(heldInstanceID, IdleBehaviorHold)
+ }
+ }
+ // Wait for the tags to save to the cloud provider
+ tagKey := cluster.Containers.CloudVMs.TagKeyPrefix + tagKeyIdleBehavior
+ deadline := time.Now().Add(time.Second)
+ for !func() bool {
+ pool.mtx.RLock()
+ defer pool.mtx.RUnlock()
+ for _, wkr := range pool.workers {
+ if wkr.instType == type2 {
+ return wkr.instance.Tags()[tagKey] == string(IdleBehaviorHold)
+ }
+ }
+ return false
+ }() {
+ if time.Now().After(deadline) {
+ c.Fatal("timeout")
+ }
+ time.Sleep(time.Millisecond * 10)
+ }
+ pool.Stop()
-func (suite *PoolSuite) TestVerifyHostKey(c *check.C) {
- // TODO: use an instanceSet stub with an SSH server
+ c.Log("------- starting new pool, waiting to recover state")
+
+ pool2 := NewPool(logger, arvados.NewClientFromEnv(), prometheus.NewRegistry(), instanceSetID, is, newExecutor, nil, cluster)
+ notify2 := pool2.Subscribe()
+ defer pool2.Unsubscribe(notify2)
+ waitForIdle(pool2, notify2)
+ for _, inst := range pool2.Instances() {
+ if inst.ArvadosInstanceType == type2.Name {
+ c.Check(inst.Instance, check.Equals, heldInstanceID)
+ c.Check(inst.IdleBehavior, check.Equals, IdleBehaviorHold)
+ } else {
+ c.Check(inst.IdleBehavior, check.Equals, IdleBehaviorRun)
+ }
+ }
+ pool2.Stop()
}
func (suite *PoolSuite) TestCreateUnallocShutdown(c *check.C) {
- lameInstanceSet := &test.LameInstanceSet{Hold: make(chan bool)}
+ logger := ctxlog.TestLogger(c)
+ driver := test.StubDriver{HoldCloudOps: true}
+ instanceSet, err := driver.InstanceSet(nil, "test-instance-set-id", nil, logger)
+ c.Assert(err, check.IsNil)
+
type1 := arvados.InstanceType{Name: "a1s", ProviderType: "a1.small", VCPUs: 1, RAM: 1 * GiB, Price: .01}
type2 := arvados.InstanceType{Name: "a2m", ProviderType: "a2.medium", VCPUs: 2, RAM: 2 * GiB, Price: .02}
type3 := arvados.InstanceType{Name: "a2l", ProviderType: "a2.large", VCPUs: 4, RAM: 4 * GiB, Price: .04}
pool := &Pool{
- logger: logrus.StandardLogger(),
- newExecutor: func(cloud.Instance) Executor { return &stubExecutor{} },
- instanceSet: &throttledInstanceSet{InstanceSet: lameInstanceSet},
+ logger: logger,
+ newExecutor: func(cloud.Instance) Executor { return stubExecutor{} },
+ instanceSet: &throttledInstanceSet{InstanceSet: instanceSet},
instanceTypes: arvados.InstanceTypeMap{
type1.Name: type1,
type2.Name: type2,
c.Check(pool.Unallocated()[type3], check.Equals, 1)
// Unblock the pending Create calls.
- go lameInstanceSet.Release(4)
+ go driver.ReleaseCloudOps(4)
// Wait for each instance to either return from its Create
// call, or show up in a poll.
ivs := suite.instancesByType(pool, type3)
c.Assert(ivs, check.HasLen, 1)
type3instanceID := ivs[0].Instance
- err := pool.SetIdleBehavior(type3instanceID, IdleBehaviorHold)
+ err = pool.SetIdleBehavior(type3instanceID, IdleBehaviorHold)
c.Check(err, check.IsNil)
// Check admin-hold behavior: refuse to shutdown, and don't
// if a node still appears in the provider list after a
// previous attempt, so there might be more than 4 Destroy
// calls to unblock.
- go lameInstanceSet.Release(4444)
+ go driver.ReleaseCloudOps(4444)
// Sync until all instances disappear from the provider list.
suite.wait(c, pool, notify, func() bool {
}
c.Check(ready(), check.Equals, true)
}
-
-type stubExecutor struct{}
-
-func (*stubExecutor) SetTarget(cloud.ExecutorTarget) {}
-
-func (*stubExecutor) Execute(env map[string]string, cmd string, stdin io.Reader) ([]byte, []byte, error) {
- return nil, nil, nil
-}
-
-func (*stubExecutor) Close() {}