Exemplo n.º 1
0
func (t *ETCDHelper) SetRawEvacuatingActualLRP(lrp *models.ActualLRP, ttlInSeconds uint64) {
	value, err := t.serializer.Marshal(t.logger, t.format, lrp)
	Expect(err).NotTo(HaveOccurred())

	key := etcddb.EvacuatingActualLRPSchemaPath(lrp.GetProcessGuid(), lrp.GetIndex())
	_, err = t.client.Set(key, value, ttlInSeconds)

	Expect(err).NotTo(HaveOccurred())
}
Exemplo n.º 2
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func (db *SQLDB) UnclaimActualLRP(logger lager.Logger, key *models.ActualLRPKey) (*models.ActualLRPGroup, *models.ActualLRPGroup, error) {
	logger = logger.WithData(lager.Data{"key": key})

	var beforeActualLRP models.ActualLRP
	var actualLRP *models.ActualLRP
	processGuid := key.ProcessGuid
	index := key.Index

	err := db.transact(logger, func(logger lager.Logger, tx *sql.Tx) error {
		var err error
		actualLRP, err = db.fetchActualLRPForUpdate(logger, processGuid, index, false, tx)
		if err != nil {
			logger.Error("failed-fetching-actual-lrp-for-share", err)
			return err
		}
		beforeActualLRP = *actualLRP

		if actualLRP.State == models.ActualLRPStateUnclaimed {
			logger.Debug("already-unclaimed")
			return models.ErrActualLRPCannotBeUnclaimed
		}
		logger.Info("starting")
		defer logger.Info("complete")

		now := db.clock.Now().UnixNano()
		actualLRP.ModificationTag.Increment()
		actualLRP.State = models.ActualLRPStateUnclaimed
		actualLRP.ActualLRPInstanceKey.CellId = ""
		actualLRP.ActualLRPInstanceKey.InstanceGuid = ""
		actualLRP.Since = now
		actualLRP.ActualLRPNetInfo = models.ActualLRPNetInfo{}

		_, err = db.update(logger, tx, actualLRPsTable,
			SQLAttributes{
				"state":                  actualLRP.State,
				"cell_id":                actualLRP.CellId,
				"instance_guid":          actualLRP.InstanceGuid,
				"modification_tag_index": actualLRP.ModificationTag.Index,
				"since":                  actualLRP.Since,
				"net_info":               []byte{},
			},
			"process_guid = ? AND instance_index = ? AND evacuating = ?",
			processGuid, index, false,
		)
		if err != nil {
			logger.Error("failed-to-unclaim-actual-lrp", err)
			return db.convertSQLError(err)
		}

		return nil
	})

	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: actualLRP}, err
}
Exemplo n.º 3
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func (db *SQLDB) FailActualLRP(logger lager.Logger, key *models.ActualLRPKey, placementError string) (*models.ActualLRPGroup, *models.ActualLRPGroup, error) {
	logger = logger.WithData(lager.Data{"actual_lrp_key": key, "placement_error": placementError})
	logger.Info("starting")
	defer logger.Info("complete")

	var beforeActualLRP models.ActualLRP
	var actualLRP *models.ActualLRP

	err := db.transact(logger, func(logger lager.Logger, tx *sql.Tx) error {
		var err error
		actualLRP, err = db.fetchActualLRPForUpdate(logger, key.ProcessGuid, key.Index, false, tx)
		if err != nil {
			logger.Error("failed-to-get-actual-lrp", err)
			return err
		}
		beforeActualLRP = *actualLRP

		if actualLRP.State != models.ActualLRPStateUnclaimed {
			logger.Error("cannot-fail-actual-lrp", nil, lager.Data{"from_state": actualLRP.State})
			return models.ErrActualLRPCannotBeFailed
		}

		now := db.clock.Now().UnixNano()
		actualLRP.ModificationTag.Increment()
		actualLRP.PlacementError = placementError
		actualLRP.Since = now
		evacuating := false

		_, err = db.update(logger, tx, actualLRPsTable,
			SQLAttributes{
				"modification_tag_index": actualLRP.ModificationTag.Index,
				"placement_error":        truncateString(actualLRP.PlacementError, 1024),
				"since":                  actualLRP.Since,
			},
			"process_guid = ? AND instance_index = ? AND evacuating = ?",
			key.ProcessGuid, key.Index, evacuating,
		)
		if err != nil {
			logger.Error("failed-failing-actual-lrp", err)
			return db.convertSQLError(err)
		}

		return nil
	})

	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: actualLRP}, err
}
Exemplo n.º 4
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func (db *SQLDB) ClaimActualLRP(logger lager.Logger, processGuid string, index int32, instanceKey *models.ActualLRPInstanceKey) (*models.ActualLRPGroup, *models.ActualLRPGroup, error) {
	logger = logger.WithData(lager.Data{"process_guid": processGuid, "index": index, "instance_key": instanceKey})
	logger.Info("starting")
	defer logger.Info("complete")

	var beforeActualLRP models.ActualLRP
	var actualLRP *models.ActualLRP
	err := db.transact(logger, func(logger lager.Logger, tx *sql.Tx) error {
		var err error
		actualLRP, err = db.fetchActualLRPForUpdate(logger, processGuid, index, false, tx)
		if err != nil {
			logger.Error("failed-fetching-actual-lrp-for-share", err)
			return err
		}
		beforeActualLRP = *actualLRP

		if !actualLRP.AllowsTransitionTo(&actualLRP.ActualLRPKey, instanceKey, models.ActualLRPStateClaimed) {
			logger.Error("cannot-transition-to-claimed", nil, lager.Data{"from_state": actualLRP.State, "same_instance_key": actualLRP.ActualLRPInstanceKey.Equal(instanceKey)})
			return models.ErrActualLRPCannotBeClaimed
		}

		if actualLRP.State == models.ActualLRPStateClaimed && actualLRP.ActualLRPInstanceKey.Equal(instanceKey) {
			return nil
		}

		actualLRP.ModificationTag.Increment()
		actualLRP.State = models.ActualLRPStateClaimed
		actualLRP.ActualLRPInstanceKey = *instanceKey
		actualLRP.PlacementError = ""
		actualLRP.ActualLRPNetInfo = models.ActualLRPNetInfo{}
		actualLRP.Since = db.clock.Now().UnixNano()

		_, err = db.update(logger, tx, actualLRPsTable,
			SQLAttributes{
				"state":                  actualLRP.State,
				"cell_id":                actualLRP.CellId,
				"instance_guid":          actualLRP.InstanceGuid,
				"modification_tag_index": actualLRP.ModificationTag.Index,
				"placement_error":        actualLRP.PlacementError,
				"since":                  actualLRP.Since,
				"net_info":               []byte{},
			},
			"process_guid = ? AND instance_index = ? AND evacuating = ?",
			processGuid, index, false,
		)
		if err != nil {
			logger.Error("failed-claiming-actual-lrp", err)
			return db.convertSQLError(err)
		}

		return nil
	})

	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: actualLRP}, err
}
Exemplo n.º 5
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func lrpForState(state string, timeInState time.Duration) models.ActualLRP {
	var actualLRPKey = models.NewActualLRPKey("some-process-guid", 1, "tests")
	var instanceKey = models.NewActualLRPInstanceKey("some-instance-guid", "some-cell")

	lrp := models.ActualLRP{
		ActualLRPKey: actualLRPKey,
		State:        state,
		Since:        clock.Now().Add(-timeInState).UnixNano(),
	}

	switch state {
	case models.ActualLRPStateUnclaimed:
	case models.ActualLRPStateCrashed:
		lrp.CrashReason = "crashed"
	case models.ActualLRPStateClaimed:
		lrp.ActualLRPInstanceKey = instanceKey
	case models.ActualLRPStateRunning:
		lrp.ActualLRPInstanceKey = instanceKey
		lrp.ActualLRPNetInfo = models.NewActualLRPNetInfo("1.2.3.4", &models.PortMapping{ContainerPort: 1234, HostPort: 5678})
	}

	return lrp
}
Exemplo n.º 6
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func (db *ETCDDB) unclaimActualLRPWithIndex(
	logger lager.Logger,
	lrp *models.ActualLRP,
	storeIndex uint64,
	actualLRPKey *models.ActualLRPKey,
	actualLRPInstanceKey *models.ActualLRPInstanceKey,
) (change stateChange, err error) {
	logger = logger.Session("unclaim-actual-lrp-with-index")
	defer logger.Debug("complete", lager.Data{"state_change": change, "error": err})

	if !lrp.ActualLRPKey.Equal(actualLRPKey) {
		logger.Error("failed-actual-lrp-key-differs", models.ErrActualLRPCannotBeUnclaimed)
		return stateDidNotChange, models.ErrActualLRPCannotBeUnclaimed
	}

	if lrp.State == models.ActualLRPStateUnclaimed {
		logger.Info("already-unclaimed")
		return stateDidNotChange, nil
	}

	if !lrp.ActualLRPInstanceKey.Equal(actualLRPInstanceKey) {
		logger.Error("failed-actual-lrp-instance-key-differs", models.ErrActualLRPCannotBeUnclaimed)
		return stateDidNotChange, models.ErrActualLRPCannotBeUnclaimed
	}

	lrp.Since = db.clock.Now().UnixNano()
	lrp.State = models.ActualLRPStateUnclaimed
	lrp.ActualLRPInstanceKey = models.ActualLRPInstanceKey{}
	lrp.ActualLRPNetInfo = models.EmptyActualLRPNetInfo()
	lrp.ModificationTag.Increment()

	err = lrp.Validate()
	if err != nil {
		logger.Error("failed-to-validate-unclaimed-lrp", err)
		return stateDidNotChange, models.NewError(models.Error_InvalidRecord, err.Error())
	}

	lrpData, serialErr := db.serializeModel(logger, lrp)
	if serialErr != nil {
		logger.Error("failed-to-marshal-unclaimed-lrp", serialErr)
		return stateDidNotChange, serialErr
	}

	_, err = db.client.CompareAndSwap(ActualLRPSchemaPath(actualLRPKey.ProcessGuid, actualLRPKey.Index), lrpData, 0, storeIndex)
	if err != nil {
		logger.Error("failed-to-compare-and-swap", err)
		return stateDidNotChange, models.ErrActualLRPCannotBeUnclaimed
	}

	logger.Debug("changed-to-unclaimed")
	return stateDidChange, nil
}
Exemplo n.º 7
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func itValidatesPresenceOfPlacementError(lrp *models.ActualLRP) {
	Context("when placement error is set", func() {
		BeforeEach(func() {
			lrp.PlacementError = "insufficient capacity"
		})

		It("validate does not return an error", func() {
			Expect(lrp.Validate()).NotTo(HaveOccurred())
		})
	})

	Context("when placement error is not set", func() {
		BeforeEach(func() {
			lrp.PlacementError = ""
		})

		It("validate does not return an error", func() {
			Expect(lrp.Validate()).NotTo(HaveOccurred())
		})
	})
}
Exemplo n.º 8
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func itValidatesAbsenceOfPlacementError(lrp *models.ActualLRP) {
	Context("when placement error is set", func() {
		BeforeEach(func() {
			lrp.PlacementError = "insufficient capacity"
		})

		It("validate returns an error", func() {
			err := lrp.Validate()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("placement error"))
		})
	})

	Context("when placement error is not set", func() {
		BeforeEach(func() {
			lrp.PlacementError = ""
		})

		It("validate does not return an error", func() {
			Expect(lrp.Validate()).NotTo(HaveOccurred())
		})
	})
}
Exemplo n.º 9
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func itValidatesAbsenceOfNetInfo(lrp *models.ActualLRP) {
	Context("when net info is set", func() {
		BeforeEach(func() {
			lrp.ActualLRPNetInfo = models.NewActualLRPNetInfo("1.2.3.4")
		})

		It("validate returns an error", func() {
			err := lrp.Validate()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("net info"))
		})
	})

	Context("when net info is not set", func() {
		BeforeEach(func() {
			lrp.ActualLRPNetInfo = models.ActualLRPNetInfo{}
		})

		It("validate does not return an error", func() {
			Expect(lrp.Validate()).NotTo(HaveOccurred())
		})
	})
}
Exemplo n.º 10
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func itValidatesAbsenceOfTheInstanceKey(lrp *models.ActualLRP) {
	Context("when the instance key is set", func() {
		BeforeEach(func() {
			lrp.ActualLRPInstanceKey = models.NewActualLRPInstanceKey("some-instance", "some-cell")
		})

		It("validate returns an error", func() {
			err := lrp.Validate()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("instance key"))
		})
	})

	Context("when the instance key is not set", func() {
		BeforeEach(func() {
			lrp.ActualLRPInstanceKey = models.ActualLRPInstanceKey{}
		})

		It("validate does not return an error", func() {
			Expect(lrp.Validate()).NotTo(HaveOccurred())
		})
	})
}
Exemplo n.º 11
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func itValidatesPresenceOfTheLRPKey(lrp *models.ActualLRP) {
	Context("when the lrp key is set", func() {
		BeforeEach(func() {
			lrp.ActualLRPKey = models.NewActualLRPKey("some-guid", 1, "domain")
		})

		It("validate does not return an error", func() {
			Expect(lrp.Validate()).NotTo(HaveOccurred())
		})
	})

	Context("when the lrp key is not set", func() {
		BeforeEach(func() {
			lrp.ActualLRPKey = models.ActualLRPKey{}
		})

		It("validate returns an error", func() {
			err := lrp.Validate()
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("process_guid"))
		})
	})
}
Exemplo n.º 12
0
	"code.cloudfoundry.org/bbs/db/dbfakes"
	"code.cloudfoundry.org/bbs/handlers"
	"code.cloudfoundry.org/bbs/models"
	"code.cloudfoundry.org/lager/lagertest"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("ActualLRP Handlers", func() {
	var (
		logger           *lagertest.TestLogger
		fakeActualLRPDB  *dbfakes.FakeActualLRPDB
		responseRecorder *httptest.ResponseRecorder
		handler          *handlers.ActualLRPHandler
		exitCh           chan struct{}

		actualLRP1     models.ActualLRP
		actualLRP2     models.ActualLRP
		evacuatingLRP2 models.ActualLRP
	)

	BeforeEach(func() {
		fakeActualLRPDB = new(dbfakes.FakeActualLRPDB)
		logger = lagertest.NewTestLogger("test")
		responseRecorder = httptest.NewRecorder()
		exitCh = make(chan struct{}, 1)
		handler = handlers.NewActualLRPHandler(fakeActualLRPDB, exitCh)
	})

	Describe("ActualLRPGroups", func() {
Exemplo n.º 13
0
func (db *SQLDB) CrashActualLRP(logger lager.Logger, key *models.ActualLRPKey, instanceKey *models.ActualLRPInstanceKey, crashReason string) (*models.ActualLRPGroup, *models.ActualLRPGroup, bool, error) {
	logger = logger.WithData(lager.Data{"key": key, "instance_key": instanceKey, "crash_reason": crashReason})
	logger.Info("starting")
	defer logger.Info("complete")

	var immediateRestart = false
	var beforeActualLRP models.ActualLRP
	var actualLRP *models.ActualLRP

	err := db.transact(logger, func(logger lager.Logger, tx *sql.Tx) error {
		var err error
		actualLRP, err = db.fetchActualLRPForUpdate(logger, key.ProcessGuid, key.Index, false, tx)
		if err != nil {
			logger.Error("failed-to-get-actual-lrp", err)
			return err
		}
		beforeActualLRP = *actualLRP

		latestChangeTime := time.Duration(db.clock.Now().UnixNano() - actualLRP.Since)

		var newCrashCount int32
		if latestChangeTime > models.CrashResetTimeout && actualLRP.State == models.ActualLRPStateRunning {
			newCrashCount = 1
		} else {
			newCrashCount = actualLRP.CrashCount + 1
		}

		if !actualLRP.AllowsTransitionTo(&actualLRP.ActualLRPKey, instanceKey, models.ActualLRPStateCrashed) {
			logger.Error("failed-to-transition-to-crashed", nil, lager.Data{"from_state": actualLRP.State, "same_instance_key": actualLRP.ActualLRPInstanceKey.Equal(instanceKey)})
			return models.ErrActualLRPCannotBeCrashed
		}

		actualLRP.ModificationTag.Increment()
		actualLRP.State = models.ActualLRPStateCrashed

		actualLRP.ActualLRPInstanceKey.InstanceGuid = ""
		actualLRP.ActualLRPInstanceKey.CellId = ""
		actualLRP.ActualLRPNetInfo = models.ActualLRPNetInfo{}
		actualLRP.CrashCount = newCrashCount
		actualLRP.CrashReason = crashReason
		evacuating := false

		if actualLRP.ShouldRestartImmediately(models.NewDefaultRestartCalculator()) {
			actualLRP.State = models.ActualLRPStateUnclaimed
			immediateRestart = true
		}

		now := db.clock.Now().UnixNano()
		actualLRP.Since = now

		_, err = db.update(logger, tx, actualLRPsTable,
			SQLAttributes{
				"state":                  actualLRP.State,
				"cell_id":                actualLRP.CellId,
				"instance_guid":          actualLRP.InstanceGuid,
				"modification_tag_index": actualLRP.ModificationTag.Index,
				"crash_count":            actualLRP.CrashCount,
				"crash_reason":           truncateString(actualLRP.CrashReason, 1024),
				"since":                  actualLRP.Since,
				"net_info":               []byte{},
			},
			"process_guid = ? AND instance_index = ? AND evacuating = ?",
			key.ProcessGuid, key.Index, evacuating,
		)
		if err != nil {
			logger.Error("failed-to-crash-actual-lrp", err)
			return db.convertSQLError(err)
		}

		return nil
	})

	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: actualLRP}, immediateRestart, err
}
Exemplo n.º 14
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func (db *SQLDB) StartActualLRP(logger lager.Logger, key *models.ActualLRPKey, instanceKey *models.ActualLRPInstanceKey, netInfo *models.ActualLRPNetInfo) (*models.ActualLRPGroup, *models.ActualLRPGroup, error) {
	logger = logger.WithData(lager.Data{"actual_lrp_key": key, "actual_lrp_instance_key": instanceKey, "net_info": netInfo})

	var beforeActualLRP models.ActualLRP
	var actualLRP *models.ActualLRP

	err := db.transact(logger, func(logger lager.Logger, tx *sql.Tx) error {
		var err error
		actualLRP, err = db.fetchActualLRPForUpdate(logger, key.ProcessGuid, key.Index, false, tx)
		if err == models.ErrResourceNotFound {
			actualLRP, err = db.createRunningActualLRP(logger, key, instanceKey, netInfo, tx)
			return err
		}

		if err != nil {
			logger.Error("failed-to-get-actual-lrp", err)
			return err
		}

		beforeActualLRP = *actualLRP

		if actualLRP.ActualLRPKey.Equal(key) &&
			actualLRP.ActualLRPInstanceKey.Equal(instanceKey) &&
			actualLRP.ActualLRPNetInfo.Equal(netInfo) &&
			actualLRP.State == models.ActualLRPStateRunning {
			logger.Debug("nothing-to-change")
			return nil
		}

		if !actualLRP.AllowsTransitionTo(key, instanceKey, models.ActualLRPStateRunning) {
			logger.Error("failed-to-transition-actual-lrp-to-started", nil)
			return models.ErrActualLRPCannotBeStarted
		}

		logger.Info("starting")
		defer logger.Info("completed")

		now := db.clock.Now().UnixNano()
		evacuating := false

		actualLRP.ActualLRPInstanceKey = *instanceKey
		actualLRP.ActualLRPNetInfo = *netInfo
		actualLRP.State = models.ActualLRPStateRunning
		actualLRP.Since = now
		actualLRP.ModificationTag.Increment()
		actualLRP.PlacementError = ""

		netInfoData, err := db.serializeModel(logger, &actualLRP.ActualLRPNetInfo)
		if err != nil {
			logger.Error("failed-to-serialize-net-info", err)
			return err
		}

		_, err = db.update(logger, tx, actualLRPsTable,
			SQLAttributes{
				"state":                  actualLRP.State,
				"cell_id":                actualLRP.CellId,
				"instance_guid":          actualLRP.InstanceGuid,
				"modification_tag_index": actualLRP.ModificationTag.Index,
				"placement_error":        actualLRP.PlacementError,
				"since":                  actualLRP.Since,
				"net_info":               netInfoData,
			},
			"process_guid = ? AND instance_index = ? AND evacuating = ?",
			key.ProcessGuid, key.Index, evacuating,
		)
		if err != nil {
			logger.Error("failed-starting-actual-lrp", err)
			return db.convertSQLError(err)
		}

		return nil
	})

	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: actualLRP}, err
}
Exemplo n.º 15
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				var response models.RemoveEvacuatingActualLRPResponse
				err := response.Unmarshal(responseRecorder.Body.Bytes())
				Expect(err).NotTo(HaveOccurred())

				Expect(response.Error).NotTo(BeNil())
				Expect(response.Error).To(Equal(models.ErrResourceNotFound))
			})
		})
	})

	Describe("EvacuateClaimedActualLRP", func() {
		var (
			request     *http.Request
			requestBody *models.EvacuateClaimedActualLRPRequest
			actual      *models.ActualLRP
			afterActual *models.ActualLRP
			desiredLRP  *models.DesiredLRP
		)

		BeforeEach(func() {
			desiredLRP = model_helpers.NewValidDesiredLRP("the-guid")
			fakeDesiredLRPDB.DesiredLRPByProcessGuidReturns(desiredLRP, nil)

			actual = model_helpers.NewValidActualLRP("process-guid", 1)
			requestBody = &models.EvacuateClaimedActualLRPRequest{
				ActualLrpKey:         &actual.ActualLRPKey,
				ActualLrpInstanceKey: &actual.ActualLRPInstanceKey,
			}
			afterActual = model_helpers.NewValidActualLRP("process-guid", 1)
			afterActual.State = models.ActualLRPStateUnclaimed
Exemplo n.º 16
0
package main_test

import (
	"code.cloudfoundry.org/bbs/cmd/bbs/testrunner"
	"code.cloudfoundry.org/bbs/models"
	"code.cloudfoundry.org/bbs/models/test/model_helpers"
	"github.com/tedsuo/ifrit/ginkgomon"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Evacuation API", func() {
	var actual *models.ActualLRP

	BeforeEach(func() {
		bbsRunner = testrunner.New(bbsBinPath, bbsArgs)
		bbsProcess = ginkgomon.Invoke(bbsRunner)

		actual = model_helpers.NewValidActualLRP("some-process-guid", 1)
		actual.State = models.ActualLRPStateRunning
		desiredLRP := model_helpers.NewValidDesiredLRP(actual.ProcessGuid)
		desiredLRP.Instances = 2

		Expect(client.DesireLRP(logger, desiredLRP)).To(Succeed())
		Expect(client.ClaimActualLRP(logger, actual.ProcessGuid, 1, &actual.ActualLRPInstanceKey)).To(Succeed())
		_, err := client.ActualLRPGroupByProcessGuidAndIndex(logger, actual.ProcessGuid, int(actual.Index))
		Expect(err).NotTo(HaveOccurred())
	})

	Describe("RemoveEvacuatingActualLRP", func() {
Exemplo n.º 17
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					netInfo := models.EmptyActualLRPNetInfo()

					Expect(netInfo.GetAddress()).To(BeEmpty())
					Expect(netInfo.GetPorts()).To(BeEmpty())
				})
			})
		})
	})

	Describe("ActualLRPGroup", func() {
		Describe("Resolve", func() {
			var (
				instanceLRP   *models.ActualLRP
				evacuatingLRP *models.ActualLRP

				group models.ActualLRPGroup

				resolvedLRP *models.ActualLRP
				evacuating  bool
			)

			BeforeEach(func() {
				lrpKey := models.NewActualLRPKey("process-guid", 1, "domain")
				instanceLRP = &models.ActualLRP{
					ActualLRPKey: lrpKey,
					Since:        1138,
				}
				evacuatingLRP = &models.ActualLRP{
					ActualLRPKey: lrpKey,
					Since:        3417,
				}
Exemplo n.º 18
0
func (db *SQLDB) EvacuateActualLRP(
	logger lager.Logger,
	lrpKey *models.ActualLRPKey,
	instanceKey *models.ActualLRPInstanceKey,
	netInfo *models.ActualLRPNetInfo,
	ttl uint64,
) (*models.ActualLRPGroup, error) {
	logger = logger.Session("evacuate-lrp", lager.Data{"lrp_key": lrpKey, "instance_key": instanceKey, "net_info": netInfo})
	logger.Debug("starting")
	defer logger.Debug("complete")

	var actualLRP *models.ActualLRP

	err := db.transact(logger, func(logger lager.Logger, tx *sql.Tx) error {
		var err error
		processGuid := lrpKey.ProcessGuid
		index := lrpKey.Index

		actualLRP, err = db.fetchActualLRPForUpdate(logger, processGuid, index, true, tx)
		if err == models.ErrResourceNotFound {
			logger.Debug("creating-evacuating-lrp")
			actualLRP, err = db.createEvacuatingActualLRP(logger, lrpKey, instanceKey, netInfo, ttl, tx)
			return err
		}

		if err != nil {
			logger.Error("failed-locking-lrp", err)
			return err
		}

		if actualLRP.ActualLRPKey.Equal(lrpKey) &&
			actualLRP.ActualLRPInstanceKey.Equal(instanceKey) &&
			reflect.DeepEqual(actualLRP.ActualLRPNetInfo, *netInfo) {
			logger.Debug("evacuating-lrp-already-exists")
			return nil
		}

		now := db.clock.Now().UnixNano()
		actualLRP.ModificationTag.Increment()
		actualLRP.ActualLRPKey = *lrpKey
		actualLRP.ActualLRPInstanceKey = *instanceKey
		actualLRP.Since = now
		actualLRP.ActualLRPNetInfo = *netInfo

		netInfoData, err := db.serializeModel(logger, netInfo)
		if err != nil {
			logger.Error("failed-serializing-net-info", err)
			return err
		}

		_, err = db.update(logger, tx, "actual_lrps",
			SQLAttributes{
				"domain":                 actualLRP.Domain,
				"instance_guid":          actualLRP.InstanceGuid,
				"cell_id":                actualLRP.CellId,
				"net_info":               netInfoData,
				"state":                  actualLRP.State,
				"since":                  actualLRP.Since,
				"modification_tag_index": actualLRP.ModificationTag.Index,
			},
			"process_guid = ? AND instance_index = ? AND evacuating = ?",
			actualLRP.ProcessGuid, actualLRP.Index, true,
		)
		if err != nil {
			logger.Error("failed-update-evacuating-lrp", err)
			return db.convertSQLError(err)
		}

		return nil
	})

	return &models.ActualLRPGroup{Evacuating: actualLRP}, err
}
Exemplo n.º 19
0
package sqldb_test

import (
	"time"

	"code.cloudfoundry.org/bbs/models"
	"code.cloudfoundry.org/bbs/models/test/model_helpers"
	"code.cloudfoundry.org/bbs/test_helpers"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Evacuation", func() {
	var (
		actualLRP *models.ActualLRP
		guid      string
		index     int32
	)

	BeforeEach(func() {
		guid = "some-guid"
		index = int32(1)
		actualLRP = model_helpers.NewValidActualLRP(guid, index)
		actualLRP.CrashCount = 0
		actualLRP.CrashReason = ""
		actualLRP.Since = fakeClock.Now().UnixNano()
		actualLRP.ModificationTag = models.ModificationTag{}
		actualLRP.ModificationTag.Increment()
		actualLRP.ModificationTag.Increment()

		_, err := sqlDB.CreateUnclaimedActualLRP(logger, &actualLRP.ActualLRPKey)
Exemplo n.º 20
0
func (db *ETCDDB) gatherAndOptionallyPruneActualLRPs(logger lager.Logger, guids map[string]struct{}, doPrune bool, lmc *LRPMetricCounter) (map[string]map[int32]*models.ActualLRP, error) {
	response, modelErr := db.fetchRecursiveRaw(logger, ActualLRPSchemaRoot)

	if modelErr == models.ErrResourceNotFound {
		logger.Info("actual-lrp-schema-root-not-found")
		return map[string]map[int32]*models.ActualLRP{}, nil
	}

	if modelErr != nil {
		return nil, modelErr
	}

	actuals := map[string]map[int32]*models.ActualLRP{}
	var guidKeysToDelete, indexKeysToDelete []string
	var actualsToDelete []string
	var guidsLock, actualsLock, guidKeysToDeleteLock, indexKeysToDeleteLock,
		crashingDesiredsLock, actualsToDeleteLock sync.Mutex

	logger.Debug("walking-actual-lrp-tree")
	works := []func(){}
	crashingDesireds := map[string]struct{}{}

	for _, guidGroup := range response.Nodes {
		guidGroup := guidGroup
		works = append(works, func() {
			guidGroupWillBeEmpty := true

			for _, indexGroup := range guidGroup.Nodes {
				indexGroupWillBeEmpty := true

				for _, actualNode := range indexGroup.Nodes {
					actual := new(models.ActualLRP)
					err := db.deserializeModel(logger, actualNode, actual)
					if err != nil {
						actualsToDeleteLock.Lock()
						actualsToDelete = append(actualsToDelete, actualNode.Key)
						actualsToDeleteLock.Unlock()

						continue
					}

					err = actual.Validate()
					if err != nil {
						actualsToDeleteLock.Lock()
						actualsToDelete = append(actualsToDelete, actualNode.Key)
						actualsToDeleteLock.Unlock()

						continue
					}

					indexGroupWillBeEmpty = false
					guidGroupWillBeEmpty = false

					switch actual.State {
					case models.ActualLRPStateUnclaimed:
						atomic.AddInt32(&lmc.unclaimedLRPs, 1)
					case models.ActualLRPStateClaimed:
						atomic.AddInt32(&lmc.claimedLRPs, 1)
					case models.ActualLRPStateRunning:
						atomic.AddInt32(&lmc.runningLRPs, 1)
					case models.ActualLRPStateCrashed:
						crashingDesiredsLock.Lock()
						crashingDesireds[actual.ProcessGuid] = struct{}{}
						crashingDesiredsLock.Unlock()
						atomic.AddInt32(&lmc.crashedActualLRPs, 1)
					}

					guidsLock.Lock()
					guids[actual.ProcessGuid] = struct{}{}
					guidsLock.Unlock()

					if path.Base(actualNode.Key) == ActualLRPInstanceKey {
						actualsLock.Lock()
						if actuals[actual.ProcessGuid] == nil {
							actuals[actual.ProcessGuid] = map[int32]*models.ActualLRP{}
						}
						actuals[actual.ProcessGuid][actual.Index] = actual
						actualsLock.Unlock()
					}
				}

				if indexGroupWillBeEmpty {
					indexKeysToDeleteLock.Lock()
					indexKeysToDelete = append(indexKeysToDelete, indexGroup.Key)
					indexKeysToDeleteLock.Unlock()
				}
			}

			if guidGroupWillBeEmpty {
				guidKeysToDeleteLock.Lock()
				guidKeysToDelete = append(guidKeysToDelete, guidGroup.Key)
				guidKeysToDeleteLock.Unlock()
			}
		})
	}
	logger.Debug("done-walking-actual-lrp-tree")

	throttler, err := workpool.NewThrottler(db.convergenceWorkersSize, works)
	if err != nil {
		logger.Error("failed-to-create-throttler", err)
	}

	throttler.Work()

	if doPrune {
		logger.Info("deleting-invalid-actual-lrps", lager.Data{"num_lrps": len(actualsToDelete)})
		db.batchDeleteNodes(actualsToDelete, logger)
		actualLRPsDeleted.Add(uint64(len(actualsToDelete)))

		logger.Info("deleting-empty-actual-indices", lager.Data{"num_indices": len(indexKeysToDelete)})
		err = db.deleteLeaves(logger, indexKeysToDelete)
		if err != nil {
			logger.Error("failed-deleting-empty-actual-indices", err, lager.Data{"num_indices": len(indexKeysToDelete)})
		} else {
			logger.Info("succeeded-deleting-empty-actual-indices", lager.Data{"num_indices": len(indexKeysToDelete)})
		}

		logger.Info("deleting-empty-actual-guids", lager.Data{"num_guids": len(guidKeysToDelete)})
		err = db.deleteLeaves(logger, guidKeysToDelete)
		if err != nil {
			logger.Error("failed-deleting-empty-actual-guids", err, lager.Data{"num_guids": len(guidKeysToDelete)})
		} else {
			logger.Info("succeeded-deleting-empty-actual-guids", lager.Data{"num_guids": len(guidKeysToDelete)})
		}
	}

	lmc.crashingDesiredLRPs = int32(len(crashingDesireds))

	return actuals, nil
}
	"code.cloudfoundry.org/rep/repfakes"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("ActualLRP Lifecycle Handlers", func() {
	var (
		logger               *lagertest.TestLogger
		fakeActualLRPDB      *dbfakes.FakeActualLRPDB
		fakeDesiredLRPDB     *dbfakes.FakeDesiredLRPDB
		fakeAuctioneerClient *auctioneerfakes.FakeClient
		actualHub            *eventfakes.FakeHub
		responseRecorder     *httptest.ResponseRecorder
		handler              *handlers.ActualLRPLifecycleHandler
		exitCh               chan struct{}

		actualLRP      models.ActualLRP
		afterActualLRP models.ActualLRP

		fakeServiceClient    *fake_bbs.FakeServiceClient
		fakeRepClientFactory *repfakes.FakeClientFactory
		fakeRepClient        *repfakes.FakeClient
	)

	BeforeEach(func() {
		fakeActualLRPDB = new(dbfakes.FakeActualLRPDB)
		fakeAuctioneerClient = new(auctioneerfakes.FakeClient)
		fakeDesiredLRPDB = new(dbfakes.FakeDesiredLRPDB)
		logger = lagertest.NewTestLogger("test")
		responseRecorder = httptest.NewRecorder()
Exemplo n.º 22
0
			Context("when we fail to create the node", func() {
				BeforeEach(func() {
					fakeStoreClient.GetReturns(nil, etcderrors.EtcdError{ErrorCode: ETCDErrKeyNotFound})
					fakeStoreClient.CreateReturns(nil, errors.New("oh no!"))
				})

				It("errors", func() {
					_, _, err := etcdDBWithFakeStore.UnclaimActualLRP(logger, lrpKey)
					Expect(err).To(HaveOccurred())
				})
			})
		})

		Context("when the actual LRP exists", func() {
			var actualLRP *models.ActualLRP
			BeforeEach(func() {
				actualLRP = model_helpers.NewValidActualLRP(lrpKey.ProcessGuid, lrpKey.Index)
				etcdHelper.SetRawActualLRP(actualLRP)
			})

			It("transitions the actual lrp into the unclaimed state", func() {
				_, _, err := etcdDB.UnclaimActualLRP(logger, lrpKey)
				Expect(err).NotTo(HaveOccurred())

				group, err := etcdDB.ActualLRPGroupByProcessGuidAndIndex(logger, guid, index)
				Expect(err).NotTo(HaveOccurred())

				actualLRP, evacuating := group.Resolve()
				Expect(evacuating).To(BeFalse())
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("LRP Convergence Controllers", func() {
	var (
		err                  error
		logger               *lagertest.TestLogger
		fakeLRPDB            *dbfakes.FakeLRPDB
		actualHub            *eventfakes.FakeHub
		fakeAuctioneerClient *auctioneerfakes.FakeClient

		keysToAuction        []*auctioneer.LRPStartRequest
		keysToRetire         []*models.ActualLRPKey
		keysWithMissingCells []*models.ActualLRPKeyWithSchedulingInfo

		retiringActualLRP1 *models.ActualLRP
		retiringActualLRP2 *models.ActualLRP

		desiredLRP1, desiredLRP2 models.DesiredLRPSchedulingInfo
		unclaimingActualLRP1     *models.ActualLRP
		unclaimingActualLRP2     *models.ActualLRP

		cellID  string
		cellSet models.CellSet

		controller *controllers.LRPConvergenceController
	)

	BeforeEach(func() {
		fakeLRPDB = new(dbfakes.FakeLRPDB)
		fakeAuctioneerClient = new(auctioneerfakes.FakeClient)
Exemplo n.º 24
0
import (
	"errors"

	"code.cloudfoundry.org/bbs/db/etcd"
	"code.cloudfoundry.org/bbs/models"
	"code.cloudfoundry.org/bbs/models/test/model_helpers"
	etcderrors "github.com/coreos/go-etcd/etcd"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Evacuation", func() {
	Describe("EvacuateActualLRP", func() {
		var (
			actualLRP *models.ActualLRP
			index     int32
			guid      string
			ttl       uint64
		)

		BeforeEach(func() {
			guid = "the-guid"
			index = 1
			ttl = 60
			actualLRP = model_helpers.NewValidActualLRP(guid, index)

			etcdHelper.SetRawEvacuatingActualLRP(actualLRP, ttl)

			node, err := storeClient.Get(etcd.EvacuatingActualLRPSchemaPath(guid, index), false, false)
			fakeStoreClient.GetReturns(node, err)
		})