X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/aa541480ba27f2dfec85cbe4f07c07743bb901b2..da204dccd3df12b5c885068768f95c84e4703047:/lib/cloud/ec2/ec2_test.go diff --git a/lib/cloud/ec2/ec2_test.go b/lib/cloud/ec2/ec2_test.go index ab6c6b597b..6ce5aa3cf9 100644 --- a/lib/cloud/ec2/ec2_test.go +++ b/lib/cloud/ec2/ec2_test.go @@ -5,35 +5,44 @@ // // How to manually run individual tests against the real cloud: // -// $ go test -v git.curoverse.com/arvados.git/lib/cloud/ec2 -live-ec2-cfg ec2config.yml -check.f=TestCreate +// $ go test -v git.arvados.org/arvados.git/lib/cloud/ec2 -live-ec2-cfg ec2config.yml -check.f=TestCreate // // 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: // AccessKeyID: XXXXXXXXXXXXXX // SecretAccessKey: xxxxxxxxxxxxxxxxxxxx // Region: us-east-1 -// SecurityGroupId: sg-xxxxxxxx -// SubnetId: subnet-xxxxxxxx +// SecurityGroupIDs: [sg-xxxxxxxx] +// SubnetID: subnet-xxxxxxxx // AdminUsername: crunch -// KeyPairName: arvados-dispatcher-keypair package ec2 import ( "encoding/json" + "errors" "flag" - "log" + "fmt" + "sync/atomic" "testing" - - "git.curoverse.com/arvados.git/lib/cloud" - "git.curoverse.com/arvados.git/sdk/go/arvados" - "git.curoverse.com/arvados.git/sdk/go/config" + "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/arvadostest" + "git.arvados.org/arvados.git/sdk/go/config" + "git.arvados.org/arvados.git/sdk/go/ctxlog" + "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/ghodss/yaml" + "github.com/prometheus/client_golang/prometheus" "github.com/sirupsen/logrus" - "golang.org/x/crypto/ssh" check "gopkg.in/check.v1" ) @@ -44,6 +53,34 @@ func Test(t *testing.T) { check.TestingT(t) } +type sliceOrStringSuite struct{} + +var _ = check.Suite(&sliceOrStringSuite{}) + +func (s *sliceOrStringSuite) TestUnmarshal(c *check.C) { + var conf ec2InstanceSetConfig + for _, trial := range []struct { + input string + output sliceOrSingleString + }{ + {``, nil}, + {`""`, nil}, + {`[]`, nil}, + {`"foo"`, sliceOrSingleString{"foo"}}, + {`["foo"]`, sliceOrSingleString{"foo"}}, + {`[foo]`, sliceOrSingleString{"foo"}}, + {`["foo", "bar"]`, sliceOrSingleString{"foo", "bar"}}, + {`[foo-bar, baz]`, sliceOrSingleString{"foo-bar", "baz"}}, + } { + c.Logf("trial: %+v", trial) + err := yaml.Unmarshal([]byte("SubnetID: "+trial.input+"\n"), &conf) + if !c.Check(err, check.IsNil) { + continue + } + c.Check(conf.SubnetID, check.DeepEquals, trial.output) + } +} + type EC2InstanceSetSuite struct{} var _ = check.Suite(&EC2InstanceSetSuite{}) @@ -53,31 +90,153 @@ type testConfig struct { DriverParameters json.RawMessage } -func GetInstanceSet() (cloud.InstanceSet, cloud.ImageID, arvados.Cluster, error) { +type ec2stub struct { + c *check.C + reftime time.Time + importKeyPairCalls []*ec2.ImportKeyPairInput + describeKeyPairsCalls []*ec2.DescribeKeyPairsInput + runInstancesCalls []*ec2.RunInstancesInput + // {subnetID => error}: RunInstances returns error if subnetID + // matches. + subnetErrorOnRunInstances map[string]error +} + +func (e *ec2stub) ImportKeyPair(input *ec2.ImportKeyPairInput) (*ec2.ImportKeyPairOutput, error) { + e.importKeyPairCalls = append(e.importKeyPairCalls, input) + return nil, nil +} + +func (e *ec2stub) DescribeKeyPairs(input *ec2.DescribeKeyPairsInput) (*ec2.DescribeKeyPairsOutput, error) { + e.describeKeyPairsCalls = append(e.describeKeyPairsCalls, input) + return &ec2.DescribeKeyPairsOutput{}, nil +} + +func (e *ec2stub) RunInstances(input *ec2.RunInstancesInput) (*ec2.Reservation, error) { + e.runInstancesCalls = append(e.runInstancesCalls, input) + if len(input.NetworkInterfaces) > 0 && input.NetworkInterfaces[0].SubnetId != nil { + err := e.subnetErrorOnRunInstances[*input.NetworkInterfaces[0].SubnetId] + if err != nil { + return nil, err + } + } + 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{ + 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"), Code: aws.Int64(16)}, + }, { + 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"), Code: aws.Int64(16)}, + }}, + }}, + }, 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 (e *ec2stub) TerminateInstances(input *ec2.TerminateInstancesInput) (*ec2.TerminateInstancesOutput, error) { + return nil, nil +} + +type ec2stubError struct { + code string + message string +} + +func (err *ec2stubError) Code() string { return err.code } +func (err *ec2stubError) Message() string { return err.message } +func (err *ec2stubError) Error() string { return fmt.Sprintf("%s: %s", err.code, err.message) } +func (err *ec2stubError) OrigErr() error { return errors.New("stub OrigErr") } + +// Ensure ec2stubError satisfies the aws.Error interface +var _ = awserr.Error(&ec2stubError{}) + +func GetInstanceSet(c *check.C, conf string) (*ec2InstanceSet, cloud.ImageID, arvados.Cluster, *prometheus.Registry) { + reg := prometheus.NewRegistry() cluster := arvados.Cluster{ InstanceTypes: arvados.InstanceTypeMap(map[string]arvados.InstanceType{ - "tiny": arvados.InstanceType{ + "tiny": { Name: "tiny", - ProviderType: "m1.small", + ProviderType: "t2.micro", VCPUs: 1, RAM: 4000000000, Scratch: 10000000000, Price: .02, Preemptible: false, }, - "tiny-with-extra-scratch": arvados.InstanceType{ - Name: "tiny", - ProviderType: "m1.small", + "tiny-with-extra-scratch": { + Name: "tiny-with-extra-scratch", + ProviderType: "t2.micro", VCPUs: 1, RAM: 4000000000, - Scratch: 10000000000, - ExtraScratch: 20000000000, Price: .02, Preemptible: false, + AddedScratch: 20000000000, }, - "tiny-preemptible": arvados.InstanceType{ - Name: "tiny", - ProviderType: "m1.small", + "tiny-preemptible": { + Name: "tiny-preemptible", + ProviderType: "t2.micro", VCPUs: 1, RAM: 4000000000, Scratch: 10000000000, @@ -88,58 +247,45 @@ func GetInstanceSet() (cloud.InstanceSet, cloud.ImageID, arvados.Cluster, error) if *live != "" { var exampleCfg testConfig err := config.LoadFile(&exampleCfg, *live) - if err != nil { - return nil, cloud.ImageID(""), cluster, err - } - - ap, err := newEC2InstanceSet(exampleCfg.DriverParameters, "test123", logrus.StandardLogger()) - return ap, cloud.ImageID(exampleCfg.ImageIDForTestSuite), cluster, err - } - ap := ec2InstanceSet{ - ec2config: ec2InstanceSetConfig{}, - dispatcherID: "test123", - logger: logrus.StandardLogger(), + c.Assert(err, check.IsNil) + + is, err := newEC2InstanceSet(exampleCfg.DriverParameters, "test123", nil, logrus.StandardLogger(), reg) + c.Assert(err, check.IsNil) + return is.(*ec2InstanceSet), cloud.ImageID(exampleCfg.ImageIDForTestSuite), cluster, reg + } else { + is, err := newEC2InstanceSet(json.RawMessage(conf), "test123", nil, ctxlog.TestLogger(c), reg) + c.Assert(err, check.IsNil) + is.(*ec2InstanceSet).client = &ec2stub{c: c, reftime: time.Now().UTC()} + return is.(*ec2InstanceSet), cloud.ImageID("blob"), cluster, reg } - return &ap, cloud.ImageID("blob"), cluster, nil } -var testKey = []byte(`ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDLQS1ExT2+WjA0d/hntEAyAtgeN1W2ik2QX8c2zO6HjlPHWXL92r07W0WMuDib40Pcevpi1BXeBWXA9ZB5KKMJB+ukaAu22KklnQuUmNvk6ZXnPKSkGxuCYvPQb08WhHf3p1VxiKfP3iauedBDM4x9/bkJohlBBQiFXzNUcQ+a6rKiMzmJN2gbL8ncyUzc+XQ5q4JndTwTGtOlzDiGOc9O4z5Dd76wtAVJneOuuNpwfFRVHThpJM6VThpCZOnl8APaceWXKeuwOuCae3COZMz++xQfxOfZ9Z8aIwo+TlQhsRaNfZ4Vjrop6ej8dtfZtgUFKfbXEOYaHrGrWGotFDTD example@example`) - func (*EC2InstanceSetSuite) TestCreate(c *check.C) { - ap, img, cluster, err := GetInstanceSet() - if err != nil { - c.Fatal("Error making provider", err) - } - - pk, _, _, _, err := ssh.ParseAuthorizedKey(testKey) - c.Assert(err, check.IsNil) + ap, img, cluster, _ := GetInstanceSet(c, "{}") + pk, _ := test.LoadTestKey(c, "../../dispatchcloud/test/sshkey_dispatch") 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() c.Check(tags["TestTagName"], check.Equals, "test tag value") c.Logf("inst.String()=%v Address()=%v Tags()=%v", inst.String(), inst.Address(), tags) + if *live == "" { + c.Check(ap.client.(*ec2stub).describeKeyPairsCalls, check.HasLen, 1) + c.Check(ap.client.(*ec2stub).importKeyPairCalls, check.HasLen, 1) + } } func (*EC2InstanceSetSuite) TestCreateWithExtraScratch(c *check.C) { - ap, img, cluster, err := GetInstanceSet() - if err != nil { - c.Fatal("Error making provider", err) - } - - pk, _, _, _, err := ssh.ParseAuthorizedKey(testKey) - c.Assert(err, check.IsNil) - + ap, img, cluster, _ := GetInstanceSet(c, "{}") inst, err := ap.Create(cluster.InstanceTypes["tiny-with-extra-scratch"], img, map[string]string{ "TestTagName": "test tag value", - }, "umask 0600; echo -n test-file-data >/var/run/test-file", pk) + }, "umask 0600; echo -n test-file-data >/var/run/test-file", nil) c.Assert(err, check.IsNil) @@ -147,16 +293,17 @@ func (*EC2InstanceSetSuite) TestCreateWithExtraScratch(c *check.C) { c.Check(tags["TestTagName"], check.Equals, "test tag value") c.Logf("inst.String()=%v Address()=%v Tags()=%v", inst.String(), inst.Address(), tags) + if *live == "" { + // Should not have called key pair APIs, because + // publickey arg was nil + c.Check(ap.client.(*ec2stub).describeKeyPairsCalls, check.HasLen, 0) + c.Check(ap.client.(*ec2stub).importKeyPairCalls, check.HasLen, 0) + } } func (*EC2InstanceSetSuite) TestCreatePreemptible(c *check.C) { - ap, img, cluster, err := GetInstanceSet() - if err != nil { - c.Fatal("Error making provider", err) - } - - pk, _, _, _, err := ssh.ParseAuthorizedKey(testKey) - c.Assert(err, check.IsNil) + ap, img, cluster, _ := GetInstanceSet(c, "{}") + pk, _ := test.LoadTestKey(c, "../../dispatchcloud/test/sshkey_dispatch") inst, err := ap.Create(cluster.InstanceTypes["tiny-preemptible"], img, map[string]string{ @@ -171,28 +318,117 @@ func (*EC2InstanceSetSuite) TestCreatePreemptible(c *check.C) { } -func (*EC2InstanceSetSuite) TestListInstances(c *check.C) { - ap, _, _, err := GetInstanceSet() - if err != nil { - c.Fatal("Error making provider: ", err) +func (*EC2InstanceSetSuite) TestCreateFailoverSecondSubnet(c *check.C) { + if *live != "" { + c.Skip("not applicable in live mode") + return } - l, err := ap.Instances(nil) + ap, img, cluster, reg := GetInstanceSet(c, `{"SubnetID":["subnet-full","subnet-good"]}`) + ap.client.(*ec2stub).subnetErrorOnRunInstances = map[string]error{ + "subnet-full": &ec2stubError{ + code: "InsufficientFreeAddressesInSubnet", + message: "subnet is full", + }, + } + inst, err := ap.Create(cluster.InstanceTypes["tiny"], img, nil, "", nil) + c.Check(err, check.IsNil) + c.Check(inst, check.NotNil) + c.Check(ap.client.(*ec2stub).runInstancesCalls, check.HasLen, 2) + metrics := arvadostest.GatherMetricsAsString(reg) + c.Check(metrics, check.Matches, `(?ms).*`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="0"} 1\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="1"} 0\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-good",success="0"} 0\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-good",success="1"} 1\n`+ + `.*`) + + // Next RunInstances call should try the working subnet first + inst, err = ap.Create(cluster.InstanceTypes["tiny"], img, nil, "", nil) + c.Check(err, check.IsNil) + c.Check(inst, check.NotNil) + c.Check(ap.client.(*ec2stub).runInstancesCalls, check.HasLen, 3) + metrics = arvadostest.GatherMetricsAsString(reg) + c.Check(metrics, check.Matches, `(?ms).*`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="0"} 1\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="1"} 0\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-good",success="0"} 0\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-good",success="1"} 2\n`+ + `.*`) +} + +func (*EC2InstanceSetSuite) TestCreateAllSubnetsFailing(c *check.C) { + if *live != "" { + c.Skip("not applicable in live mode") + return + } + + ap, img, cluster, reg := GetInstanceSet(c, `{"SubnetID":["subnet-full","subnet-broken"]}`) + ap.client.(*ec2stub).subnetErrorOnRunInstances = map[string]error{ + "subnet-full": &ec2stubError{ + code: "InsufficientFreeAddressesInSubnet", + message: "subnet is full", + }, + "subnet-broken": &ec2stubError{ + code: "InvalidSubnetId.NotFound", + message: "bogus subnet id", + }, + } + _, err := ap.Create(cluster.InstanceTypes["tiny"], img, nil, "", nil) + c.Check(err, check.NotNil) + c.Check(err, check.ErrorMatches, `.*InvalidSubnetId\.NotFound.*`) + c.Check(ap.client.(*ec2stub).runInstancesCalls, check.HasLen, 2) + metrics := arvadostest.GatherMetricsAsString(reg) + c.Check(metrics, check.Matches, `(?ms).*`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-broken",success="0"} 1\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-broken",success="1"} 0\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="0"} 1\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="1"} 0\n`+ + `.*`) + + _, err = ap.Create(cluster.InstanceTypes["tiny"], img, nil, "", nil) + c.Check(err, check.NotNil) + c.Check(err, check.ErrorMatches, `.*InsufficientFreeAddressesInSubnet.*`) + c.Check(ap.client.(*ec2stub).runInstancesCalls, check.HasLen, 4) + metrics = arvadostest.GatherMetricsAsString(reg) + c.Check(metrics, check.Matches, `(?ms).*`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-broken",success="0"} 2\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-broken",success="1"} 0\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="0"} 2\n`+ + `arvados_dispatchcloud_ec2_instance_starts_total{subnet_id="subnet-full",success="1"} 0\n`+ + `.*`) +} +func (*EC2InstanceSetSuite) TestTagInstances(c *check.C) { + ap, _, _, _ := GetInstanceSet(c, "{}") + l, err := ap.Instances(nil) c.Assert(err, check.IsNil) for _, i := range l { tg := i.Tags() - log.Printf("%v %v %v", i.String(), i.Address(), tg) + tg["TestTag2"] = "123 test tag 2" + c.Check(i.SetTags(tg), check.IsNil) } } -func (*EC2InstanceSetSuite) TestDestroyInstances(c *check.C) { - ap, _, _, err := GetInstanceSet() - if err != nil { - c.Fatal("Error making provider", err) +func (*EC2InstanceSetSuite) TestListInstances(c *check.C) { + ap, _, _, reg := GetInstanceSet(c, "{}") + l, err := ap.Instances(nil) + c.Assert(err, check.IsNil) + + for _, i := range l { + tg := i.Tags() + c.Logf("%v %v %v", i.String(), i.Address(), tg) } + metrics := arvadostest.GatherMetricsAsString(reg) + c.Check(metrics, check.Matches, `(?ms).*`+ + `arvados_dispatchcloud_ec2_instances{subnet_id="[^"]*"} \d+\n`+ + `.*`) +} + +func (*EC2InstanceSetSuite) TestDestroyInstances(c *check.C) { + ap, _, _, _ := GetInstanceSet(c, "{}") l, err := ap.Instances(nil) c.Assert(err, check.IsNil) @@ -200,3 +436,95 @@ func (*EC2InstanceSetSuite) TestDestroyInstances(c *check.C) { 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.SpotPriceUpdateInterval = arvados.Duration(time.Hour) + 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 { + ec2i := inst.(*ec2Instance).instance + if *ec2i.InstanceLifecycle == "spot" && *ec2i.State.Code&16 != 0 { + running++ + } + } + if running >= 2 { + c.Logf("instances are running, and identifiable as spot instances") + break + } + c.Logf("waiting for instances to reach running state so their availability zone becomes visible...") + 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("InstanceLimitExceeded", "", nil) + wrapped = wrapError(quotaError, nil) + _, ok = wrapped.(cloud.QuotaError) + c.Check(ok, check.Equals, true) + + for _, trial := range []struct { + code string + msg string + }{ + {"InsufficientInstanceCapacity", ""}, + {"Unsupported", "Your requested instance type (t3.micro) is not supported in your requested Availability Zone (us-east-1e). Please retry your request by not specifying an Availability Zone or choosing us-east-1a, us-east-1b, us-east-1c, us-east-1d, us-east-1f."}, + } { + capacityError := awserr.New(trial.code, trial.msg, nil) + wrapped = wrapError(capacityError, nil) + caperr, ok := wrapped.(cloud.CapacityError) + c.Check(ok, check.Equals, true) + c.Check(caperr.IsCapacityError(), check.Equals, true) + c.Check(caperr.IsInstanceTypeSpecific(), check.Equals, true) + } +}