//
// Tests should be run individually and in the order they are listed in the file:
//
-// Example azconfig.yml:
+// Example ec2config.yml:
//
// ImageIDForTestSuite: ami-xxxxxxxxxxxxxxxxx
// DriverParameters:
import (
"encoding/json"
"flag"
+ "sync/atomic"
"testing"
+ "time"
"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/config"
"github.com/aws/aws-sdk-go/aws"
+ "github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/sirupsen/logrus"
check "gopkg.in/check.v1"
}
type ec2stub struct {
+ c *check.C
+ reftime time.Time
}
func (e *ec2stub) ImportKeyPair(input *ec2.ImportKeyPairInput) (*ec2.ImportKeyPairOutput, error) {
}
func (e *ec2stub) RunInstances(input *ec2.RunInstancesInput) (*ec2.Reservation, error) {
- return &ec2.Reservation{Instances: []*ec2.Instance{&ec2.Instance{
- InstanceId: aws.String("i-123"),
- Tags: input.TagSpecifications[0].Tags,
+ return &ec2.Reservation{Instances: []*ec2.Instance{{
+ InstanceId: aws.String("i-123"),
+ InstanceType: aws.String("t2.micro"),
+ Tags: input.TagSpecifications[0].Tags,
}}}, nil
}
func (e *ec2stub) DescribeInstances(input *ec2.DescribeInstancesInput) (*ec2.DescribeInstancesOutput, error) {
- return &ec2.DescribeInstancesOutput{}, nil
+ return &ec2.DescribeInstancesOutput{
+ Reservations: []*ec2.Reservation{{
+ Instances: []*ec2.Instance{{
+ InstanceId: aws.String("i-123"),
+ InstanceLifecycle: aws.String("spot"),
+ InstanceType: aws.String("t2.micro"),
+ PrivateIpAddress: aws.String("10.1.2.3"),
+ State: &ec2.InstanceState{Name: aws.String("running")},
+ }, {
+ InstanceId: aws.String("i-124"),
+ InstanceLifecycle: aws.String("spot"),
+ InstanceType: aws.String("t2.micro"),
+ PrivateIpAddress: aws.String("10.1.2.4"),
+ State: &ec2.InstanceState{Name: aws.String("running")},
+ }},
+ }},
+ }, nil
+}
+
+func (e *ec2stub) DescribeInstanceStatusPages(input *ec2.DescribeInstanceStatusInput, fn func(*ec2.DescribeInstanceStatusOutput, bool) bool) error {
+ fn(&ec2.DescribeInstanceStatusOutput{
+ InstanceStatuses: []*ec2.InstanceStatus{{
+ InstanceId: aws.String("i-123"),
+ AvailabilityZone: aws.String("aa-east-1a"),
+ }, {
+ InstanceId: aws.String("i-124"),
+ AvailabilityZone: aws.String("aa-east-1a"),
+ }},
+ }, true)
+ return nil
+}
+
+func (e *ec2stub) DescribeSpotPriceHistoryPages(input *ec2.DescribeSpotPriceHistoryInput, fn func(*ec2.DescribeSpotPriceHistoryOutput, bool) bool) error {
+ if !fn(&ec2.DescribeSpotPriceHistoryOutput{
+ SpotPriceHistory: []*ec2.SpotPrice{
+ &ec2.SpotPrice{
+ InstanceType: aws.String("t2.micro"),
+ AvailabilityZone: aws.String("aa-east-1a"),
+ SpotPrice: aws.String("0.005"),
+ Timestamp: aws.Time(e.reftime.Add(-9 * time.Minute)),
+ },
+ &ec2.SpotPrice{
+ InstanceType: aws.String("t2.micro"),
+ AvailabilityZone: aws.String("aa-east-1a"),
+ SpotPrice: aws.String("0.015"),
+ Timestamp: aws.Time(e.reftime.Add(-5 * time.Minute)),
+ },
+ },
+ }, false) {
+ return nil
+ }
+ fn(&ec2.DescribeSpotPriceHistoryOutput{
+ SpotPriceHistory: []*ec2.SpotPrice{
+ &ec2.SpotPrice{
+ InstanceType: aws.String("t2.micro"),
+ AvailabilityZone: aws.String("aa-east-1a"),
+ SpotPrice: aws.String("0.01"),
+ Timestamp: aws.Time(e.reftime.Add(-2 * time.Minute)),
+ },
+ },
+ }, true)
+ return nil
}
func (e *ec2stub) CreateTags(input *ec2.CreateTagsInput) (*ec2.CreateTagsOutput, error) {
return nil, nil
}
-func GetInstanceSet() (cloud.InstanceSet, cloud.ImageID, arvados.Cluster, error) {
+func GetInstanceSet(c *check.C) (*ec2InstanceSet, cloud.ImageID, arvados.Cluster) {
cluster := arvados.Cluster{
InstanceTypes: arvados.InstanceTypeMap(map[string]arvados.InstanceType{
- "tiny": arvados.InstanceType{
+ "tiny": {
Name: "tiny",
ProviderType: "t2.micro",
VCPUs: 1,
Price: .02,
Preemptible: false,
},
- "tiny-with-extra-scratch": arvados.InstanceType{
- Name: "tiny",
+ "tiny-with-extra-scratch": {
+ Name: "tiny-with-extra-scratch",
ProviderType: "t2.micro",
VCPUs: 1,
RAM: 4000000000,
Preemptible: false,
AddedScratch: 20000000000,
},
- "tiny-preemptible": arvados.InstanceType{
- Name: "tiny",
+ "tiny-preemptible": {
+ Name: "tiny-preemptible",
ProviderType: "t2.micro",
VCPUs: 1,
RAM: 4000000000,
if *live != "" {
var exampleCfg testConfig
err := config.LoadFile(&exampleCfg, *live)
- if err != nil {
- return nil, cloud.ImageID(""), cluster, err
- }
+ c.Assert(err, check.IsNil)
ap, err := newEC2InstanceSet(exampleCfg.DriverParameters, "test123", nil, logrus.StandardLogger())
- return ap, cloud.ImageID(exampleCfg.ImageIDForTestSuite), cluster, err
+ c.Assert(err, check.IsNil)
+ return ap.(*ec2InstanceSet), cloud.ImageID(exampleCfg.ImageIDForTestSuite), cluster
}
ap := ec2InstanceSet{
- ec2config: ec2InstanceSetConfig{},
+ ec2config: ec2InstanceSetConfig{
+ SpotPriceUpdateInterval: arvados.Duration(time.Hour),
+ },
instanceSetID: "test123",
logger: logrus.StandardLogger(),
- client: &ec2stub{},
+ client: &ec2stub{c: c, reftime: time.Now().UTC()},
keys: make(map[string]string),
}
- return &ap, cloud.ImageID("blob"), cluster, nil
+ return &ap, cloud.ImageID("blob"), cluster
}
func (*EC2InstanceSetSuite) TestCreate(c *check.C) {
- ap, img, cluster, err := GetInstanceSet()
- if err != nil {
- c.Fatal("Error making provider", err)
- }
-
+ ap, img, cluster := GetInstanceSet(c)
pk, _ := test.LoadTestKey(c, "../../dispatchcloud/test/sshkey_dispatch")
- c.Assert(err, check.IsNil)
inst, err := ap.Create(cluster.InstanceTypes["tiny"],
img, map[string]string{
"TestTagName": "test tag value",
}, "umask 0600; echo -n test-file-data >/var/run/test-file", pk)
-
c.Assert(err, check.IsNil)
tags := inst.Tags()
}
func (*EC2InstanceSetSuite) TestCreateWithExtraScratch(c *check.C) {
- ap, img, cluster, err := GetInstanceSet()
- if err != nil {
- c.Fatal("Error making provider", err)
- }
-
+ ap, img, cluster := GetInstanceSet(c)
pk, _ := test.LoadTestKey(c, "../../dispatchcloud/test/sshkey_dispatch")
- c.Assert(err, check.IsNil)
inst, err := ap.Create(cluster.InstanceTypes["tiny-with-extra-scratch"],
img, map[string]string{
}
func (*EC2InstanceSetSuite) TestCreatePreemptible(c *check.C) {
- ap, img, cluster, err := GetInstanceSet()
- if err != nil {
- c.Fatal("Error making provider", err)
- }
-
+ ap, img, cluster := GetInstanceSet(c)
pk, _ := test.LoadTestKey(c, "../../dispatchcloud/test/sshkey_dispatch")
- c.Assert(err, check.IsNil)
inst, err := ap.Create(cluster.InstanceTypes["tiny-preemptible"],
img, map[string]string{
}
func (*EC2InstanceSetSuite) TestTagInstances(c *check.C) {
- ap, _, _, err := GetInstanceSet()
- if err != nil {
- c.Fatal("Error making provider", err)
- }
-
+ ap, _, _ := GetInstanceSet(c)
l, err := ap.Instances(nil)
c.Assert(err, check.IsNil)
}
func (*EC2InstanceSetSuite) TestListInstances(c *check.C) {
- ap, _, _, err := GetInstanceSet()
- if err != nil {
- c.Fatal("Error making provider: ", err)
- }
-
+ ap, _, _ := GetInstanceSet(c)
l, err := ap.Instances(nil)
-
c.Assert(err, check.IsNil)
for _, i := range l {
}
func (*EC2InstanceSetSuite) TestDestroyInstances(c *check.C) {
- ap, _, _, err := GetInstanceSet()
- if err != nil {
- c.Fatal("Error making provider", err)
- }
-
+ ap, _, _ := GetInstanceSet(c)
l, err := ap.Instances(nil)
c.Assert(err, check.IsNil)
c.Check(i.Destroy(), check.IsNil)
}
}
+
+func (*EC2InstanceSetSuite) TestInstancePriceHistory(c *check.C) {
+ ap, img, cluster := GetInstanceSet(c)
+ pk, _ := test.LoadTestKey(c, "../../dispatchcloud/test/sshkey_dispatch")
+ tags := cloud.InstanceTags{"arvados-ec2-driver": "test"}
+
+ defer func() {
+ instances, err := ap.Instances(tags)
+ c.Assert(err, check.IsNil)
+ for _, inst := range instances {
+ c.Logf("cleanup: destroy instance %s", inst)
+ c.Check(inst.Destroy(), check.IsNil)
+ }
+ }()
+
+ ap.ec2config.EBSPrice = 0.1 // $/GiB/month
+ inst1, err := ap.Create(cluster.InstanceTypes["tiny-preemptible"], img, tags, "true", pk)
+ c.Assert(err, check.IsNil)
+ defer inst1.Destroy()
+ inst2, err := ap.Create(cluster.InstanceTypes["tiny-preemptible"], img, tags, "true", pk)
+ c.Assert(err, check.IsNil)
+ defer inst2.Destroy()
+
+ // in live mode, we need to wait for the instances to reach
+ // running state before we can discover their availability
+ // zones and look up the appropriate prices.
+ var instances []cloud.Instance
+ for deadline := time.Now().Add(5 * time.Minute); ; {
+ if deadline.Before(time.Now()) {
+ c.Fatal("timed out")
+ }
+ instances, err = ap.Instances(tags)
+ running := 0
+ for _, inst := range instances {
+ if *inst.(*ec2Instance).instance.InstanceLifecycle == "spot" {
+ running++
+ }
+ }
+ if running >= 2 {
+ c.Logf("instances are running, and identifiable as spot instances")
+ break
+ }
+ c.Logf("waiting for instances to be identifiable as spot instances...")
+ time.Sleep(10 * time.Second)
+ }
+
+ for _, inst := range instances {
+ hist := inst.PriceHistory(arvados.InstanceType{})
+ c.Logf("%s price history: %v", inst.ID(), hist)
+ c.Check(len(hist) > 0, check.Equals, true)
+
+ histWithScratch := inst.PriceHistory(arvados.InstanceType{AddedScratch: 640 << 30})
+ c.Logf("%s price history with 640 GiB scratch: %v", inst.ID(), histWithScratch)
+
+ for i, ip := range hist {
+ c.Check(ip.Price, check.Not(check.Equals), 0.0)
+ if i > 0 {
+ c.Check(ip.StartTime.Before(hist[i-1].StartTime), check.Equals, true)
+ }
+ c.Check(ip.Price < histWithScratch[i].Price, check.Equals, true)
+ }
+ }
+}
+
+func (*EC2InstanceSetSuite) TestWrapError(c *check.C) {
+ retryError := awserr.New("Throttling", "", nil)
+ wrapped := wrapError(retryError, &atomic.Value{})
+ _, ok := wrapped.(cloud.RateLimitError)
+ c.Check(ok, check.Equals, true)
+
+ quotaError := awserr.New("InsufficientInstanceCapacity", "", nil)
+ wrapped = wrapError(quotaError, nil)
+ _, ok = wrapped.(cloud.QuotaError)
+ c.Check(ok, check.Equals, true)
+}