steinsgateted commented on code in PR #422: URL: https://github.com/apache/yunikorn-k8shim/pull/422#discussion_r882892154
########## pkg/cache/application_state.go: ########## @@ -0,0 +1,577 @@ +/* + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you 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 cache + +import ( + "github.com/looplab/fsm" + "go.uber.org/zap" + + "github.com/apache/yunikorn-k8shim/pkg/common/events" + "github.com/apache/yunikorn-k8shim/pkg/log" + "github.com/apache/yunikorn-scheduler-interface/lib/go/si" +) + +//---------------------------------------------- +// Application events +//---------------------------------------------- +type ApplicationEventType int + +const ( + SubmitApplication ApplicationEventType = iota + RecoverApplication + AcceptApplication + TryReserve + UpdateReservation + RunApplication + RejectApplication + CompleteApplication + FailApplication + KillApplication + KilledApplication + ReleaseAppAllocation + ReleaseAppAllocationAsk + AppStateChange + ResumingApplication + AppTaskCompleted +) + +func (ae ApplicationEventType) String() string { + return [...]string{"SubmitApplication", "RecoverApplication", "AcceptApplication", "TryReserve", "UpdateReservation", "RunApplication", "RejectApplication", "CompleteApplication", "FailApplication", "KillApplication", "KilledApplication", "ReleaseAppAllocation", "ReleaseAppAllocationAsk", "AppStateChange", "ResumingApplication", "AppTaskCompleted"}[ae] +} + +// ------------------------ +// SimpleApplicationEvent simply moves application states +// ------------------------ +type SimpleApplicationEvent struct { + applicationID string + event ApplicationEventType +} + +func NewSimpleApplicationEvent(appID string, eventType ApplicationEventType) SimpleApplicationEvent { + return SimpleApplicationEvent{ + applicationID: appID, + event: eventType, + } +} + +func (st SimpleApplicationEvent) GetEvent() string { + return st.event.String() +} + +func (st SimpleApplicationEvent) GetArgs() []interface{} { + return nil +} + +func (st SimpleApplicationEvent) GetApplicationID() string { + return st.applicationID +} + +// ------------------------ +// ApplicationEvent is used for testing and rejected app's events +// ------------------------ +type ApplicationEvent struct { + applicationID string + event ApplicationEventType + message string +} + +func NewApplicationEvent(appID string, eventType ApplicationEventType, msg string) ApplicationEvent { + return ApplicationEvent{ + applicationID: appID, + event: eventType, + message: msg, + } +} + +func (st ApplicationEvent) GetEvent() string { + return st.event.String() +} + +func (st ApplicationEvent) GetArgs() []interface{} { + args := make([]interface{}, 1) + args[0] = st.message + return args +} + +func (st ApplicationEvent) GetApplicationID() string { + return st.applicationID +} + +// ------------------------ +// ApplicationStatusChangeEvent updates the status in the application CRD +// ------------------------ +type ApplicationStatusChangeEvent struct { + applicationID string + event ApplicationEventType + state string +} + +func NewApplicationStatusChangeEvent(appID string, eventType ApplicationEventType, state string) ApplicationStatusChangeEvent { + return ApplicationStatusChangeEvent{ + applicationID: appID, + event: eventType, + state: state, + } +} + +func (st ApplicationStatusChangeEvent) GetEvent() string { + return st.event.String() +} + +func (st ApplicationStatusChangeEvent) GetArgs() []interface{} { + return nil +} + +func (st ApplicationStatusChangeEvent) GetApplicationID() string { + return st.applicationID +} + +func (st ApplicationStatusChangeEvent) GetState() string { + return st.state +} + +// ------------------------ +// SubmitTask application +// ------------------------ +type SubmitApplicationEvent struct { + applicationID string + event ApplicationEventType +} + +func NewSubmitApplicationEvent(appID string) SubmitApplicationEvent { + return SubmitApplicationEvent{ + applicationID: appID, + event: SubmitApplication, + } +} + +func (se SubmitApplicationEvent) GetEvent() string { + return se.event.String() +} + +func (se SubmitApplicationEvent) GetArgs() []interface{} { + return nil +} + +func (se SubmitApplicationEvent) GetApplicationID() string { + return se.applicationID +} + +// ------------------------ +// Run application +// ------------------------ +type RunApplicationEvent struct { + applicationID string + event ApplicationEventType +} + +func NewRunApplicationEvent(appID string) RunApplicationEvent { + return RunApplicationEvent{ + applicationID: appID, + event: RunApplication, + } +} + +func (re RunApplicationEvent) GetEvent() string { + return re.event.String() +} + +func (re RunApplicationEvent) GetArgs() []interface{} { + return nil +} + +func (re RunApplicationEvent) GetApplicationID() string { + return re.applicationID +} + +// ------------------------ +// Fail application +// ------------------------ +type FailApplicationEvent struct { + applicationID string + event ApplicationEventType + errorMessage string +} + +func NewFailApplicationEvent(appID, message string) FailApplicationEvent { + return FailApplicationEvent{ + applicationID: appID, + event: FailApplication, + errorMessage: message, + } +} + +func (fe FailApplicationEvent) GetEvent() string { + return fe.event.String() +} + +func (fe FailApplicationEvent) GetArgs() []interface{} { + args := make([]interface{}, 1) + args[0] = fe.errorMessage + return args +} + +func (fe FailApplicationEvent) GetApplicationID() string { + return fe.applicationID +} + +// ------------------------ +// Reservation Update Event +// ------------------------ +type UpdateApplicationReservationEvent struct { + applicationID string + event ApplicationEventType +} + +func NewUpdateApplicationReservationEvent(appID string) UpdateApplicationReservationEvent { + return UpdateApplicationReservationEvent{ + applicationID: appID, + event: UpdateReservation, + } +} + +func (ue UpdateApplicationReservationEvent) GetEvent() string { + return ue.event.String() +} + +func (ue UpdateApplicationReservationEvent) GetArgs() []interface{} { + return nil +} + +func (ue UpdateApplicationReservationEvent) GetApplicationID() string { + return ue.applicationID +} + +// ------------------------ +// Release application allocations +// ------------------------ +type ReleaseAppAllocationEvent struct { + applicationID string + allocationUUID string + terminationType string + event ApplicationEventType +} + +func NewReleaseAppAllocationEvent(appID string, allocTermination si.TerminationType, uuid string) ReleaseAppAllocationEvent { + return ReleaseAppAllocationEvent{ + applicationID: appID, + allocationUUID: uuid, + terminationType: si.TerminationType_name[int32(allocTermination)], + event: ReleaseAppAllocation, + } +} + +func (re ReleaseAppAllocationEvent) GetApplicationID() string { + return re.applicationID +} + +func (re ReleaseAppAllocationEvent) GetArgs() []interface{} { + args := make([]interface{}, 2) + args[0] = re.allocationUUID + args[1] = re.terminationType + return args +} + +func (re ReleaseAppAllocationEvent) GetEvent() string { + return re.event.String() +} + +type ReleaseAppAllocationAskEvent struct { + applicationID string + taskID string + terminationType string + event ApplicationEventType +} + +func NewReleaseAppAllocationAskEvent(appID string, allocTermination si.TerminationType, taskID string) ReleaseAppAllocationAskEvent { + return ReleaseAppAllocationAskEvent{ + applicationID: appID, + taskID: taskID, + terminationType: si.TerminationType_name[int32(allocTermination)], + event: ReleaseAppAllocationAsk, + } +} + +func (re ReleaseAppAllocationAskEvent) GetApplicationID() string { + return re.applicationID +} + +func (re ReleaseAppAllocationAskEvent) GetArgs() []interface{} { + args := make([]interface{}, 2) + args[0] = re.taskID + args[1] = re.terminationType + return args +} + +func (re ReleaseAppAllocationAskEvent) GetEvent() string { + return re.event.String() +} + +// ------------------------ +// Resuming application +// ------------------------ +type ResumingApplicationEvent struct { + applicationID string + event ApplicationEventType +} + +func NewResumingApplicationEvent(appID string) ResumingApplicationEvent { + return ResumingApplicationEvent{ + applicationID: appID, + event: ResumingApplication, + } +} + +func (re ResumingApplicationEvent) GetEvent() string { + return re.event.String() +} + +func (re ResumingApplicationEvent) GetArgs() []interface{} { + return nil +} + +func (re ResumingApplicationEvent) GetApplicationID() string { + return re.applicationID +} + +// ---------------------------------- +// Application states +// ---------------------------------- +var storeApplicationStates *AStates + +type AStates struct { + New string + Recovering string + Submitted string + Accepted string + Reserving string + Running string + Rejected string + Completed string + Killing string + Killed string + Failing string + Failed string + Resuming string +} + +func ApplicationStates() *AStates { + if storeApplicationStates == nil { Review Comment: Done. 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