traefik/vendor/github.com/gambol99/go-marathon/events.go
2017-12-19 16:00:09 +01:00

366 lines
13 KiB
Go

/*
Copyright 2014 The go-marathon Authors All rights reserved.
Licensed 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 marathon
import "fmt"
// EventType is a wrapper for a marathon event
type EventType struct {
EventType string `json:"eventType"`
}
const (
// EventIDAPIRequest is the event listener ID for the corresponding event.
EventIDAPIRequest = 1 << iota
// EventIDStatusUpdate is the event listener ID for the corresponding event.
EventIDStatusUpdate
// EventIDFrameworkMessage is the event listener ID for the corresponding event.
EventIDFrameworkMessage
// EventIDSubscription is the event listener ID for the corresponding event.
EventIDSubscription
// EventIDUnsubscribed is the event listener ID for the corresponding event.
EventIDUnsubscribed
// EventIDStreamAttached is the event listener ID for the corresponding event.
EventIDStreamAttached
// EventIDStreamDetached is the event listener ID for the corresponding event.
EventIDStreamDetached
// EventIDAddHealthCheck is the event listener ID for the corresponding event.
EventIDAddHealthCheck
// EventIDRemoveHealthCheck is the event listener ID for the corresponding event.
EventIDRemoveHealthCheck
// EventIDFailedHealthCheck is the event listener ID for the corresponding event.
EventIDFailedHealthCheck
// EventIDChangedHealthCheck is the event listener ID for the corresponding event.
EventIDChangedHealthCheck
// EventIDGroupChangeSuccess is the event listener ID for the corresponding event.
EventIDGroupChangeSuccess
// EventIDGroupChangeFailed is the event listener ID for the corresponding event.
EventIDGroupChangeFailed
// EventIDDeploymentSuccess is the event listener ID for the corresponding event.
EventIDDeploymentSuccess
// EventIDDeploymentFailed is the event listener ID for the corresponding event.
EventIDDeploymentFailed
// EventIDDeploymentInfo is the event listener ID for the corresponding event.
EventIDDeploymentInfo
// EventIDDeploymentStepSuccess is the event listener ID for the corresponding event.
EventIDDeploymentStepSuccess
// EventIDDeploymentStepFailed is the event listener ID for the corresponding event.
EventIDDeploymentStepFailed
// EventIDAppTerminated is the event listener ID for the corresponding event.
EventIDAppTerminated
//EventIDApplications comprises all listener IDs for application events.
EventIDApplications = EventIDStatusUpdate | EventIDChangedHealthCheck | EventIDFailedHealthCheck | EventIDAppTerminated
//EventIDSubscriptions comprises all listener IDs for subscription events.
EventIDSubscriptions = EventIDSubscription | EventIDUnsubscribed | EventIDStreamAttached | EventIDStreamDetached
)
var (
eventTypesMap map[string]int
)
func init() {
eventTypesMap = map[string]int{
"api_post_event": EventIDAPIRequest,
"status_update_event": EventIDStatusUpdate,
"framework_message_event": EventIDFrameworkMessage,
"subscribe_event": EventIDSubscription,
"unsubscribe_event": EventIDUnsubscribed,
"event_stream_attached": EventIDStreamAttached,
"event_stream_detached": EventIDStreamDetached,
"add_health_check_event": EventIDAddHealthCheck,
"remove_health_check_event": EventIDRemoveHealthCheck,
"failed_health_check_event": EventIDFailedHealthCheck,
"health_status_changed_event": EventIDChangedHealthCheck,
"group_change_success": EventIDGroupChangeSuccess,
"group_change_failed": EventIDGroupChangeFailed,
"deployment_success": EventIDDeploymentSuccess,
"deployment_failed": EventIDDeploymentFailed,
"deployment_info": EventIDDeploymentInfo,
"deployment_step_success": EventIDDeploymentStepSuccess,
"deployment_step_failure": EventIDDeploymentStepFailed,
"app_terminated_event": EventIDAppTerminated,
}
}
//
// Events taken from: https://mesosphere.github.io/marathon/docs/event-bus.html
//
// Event is the definition for a event in marathon
type Event struct {
ID int
Name string
Event interface{}
}
func (event *Event) String() string {
return fmt.Sprintf("type: %s, event: %s", event.Name, event.Event)
}
// EventsChannel is a channel to receive events upon
type EventsChannel chan *Event
/* --- API Request --- */
// EventAPIRequest describes an 'api_post_event' event.
type EventAPIRequest struct {
EventType string `json:"eventType"`
ClientIP string `json:"clientIp"`
Timestamp string `json:"timestamp"`
URI string `json:"uri"`
AppDefinition *Application `json:"appDefinition"`
}
/* --- Status Update --- */
// EventStatusUpdate describes a 'status_update_event' event.
type EventStatusUpdate struct {
EventType string `json:"eventType"`
Timestamp string `json:"timestamp,omitempty"`
SlaveID string `json:"slaveId,omitempty"`
TaskID string `json:"taskId"`
TaskStatus string `json:"taskStatus"`
Message string `json:"message,omitempty"`
AppID string `json:"appId"`
Host string `json:"host"`
Ports []int `json:"ports,omitempty"`
IPAddresses []*IPAddress `json:"ipAddresses"`
Version string `json:"version,omitempty"`
}
// EventAppTerminated describes an 'app_terminated_event' event.
type EventAppTerminated struct {
EventType string `json:"eventType"`
Timestamp string `json:"timestamp,omitempty"`
AppID string `json:"appId"`
}
/* --- Framework Message --- */
// EventFrameworkMessage describes a 'framework_message_event' event.
type EventFrameworkMessage struct {
EventType string `json:"eventType"`
ExecutorID string `json:"executorId"`
Message string `json:"message"`
SlaveID string `json:"slaveId"`
Timestamp string `json:"timestamp"`
}
/* --- Event Subscription --- */
// EventSubscription describes a 'subscribe_event' event.
type EventSubscription struct {
CallbackURL string `json:"callbackUrl"`
ClientIP string `json:"clientIp"`
EventType string `json:"eventType"`
Timestamp string `json:"timestamp"`
}
// EventUnsubscription describes an 'unsubscribe_event' event.
type EventUnsubscription struct {
CallbackURL string `json:"callbackUrl"`
ClientIP string `json:"clientIp"`
EventType string `json:"eventType"`
Timestamp string `json:"timestamp"`
}
// EventStreamAttached describes an 'event_stream_attached' event.
type EventStreamAttached struct {
RemoteAddress string `json:"remoteAddress"`
EventType string `json:"eventType"`
Timestamp string `json:"timestamp"`
}
// EventStreamDetached describes an 'event_stream_detached' event.
type EventStreamDetached struct {
RemoteAddress string `json:"remoteAddress"`
EventType string `json:"eventType"`
Timestamp string `json:"timestamp"`
}
/* --- Health Checks --- */
// EventAddHealthCheck describes an 'add_health_check_event' event.
type EventAddHealthCheck struct {
AppID string `json:"appId"`
EventType string `json:"eventType"`
HealthCheck struct {
GracePeriodSeconds float64 `json:"gracePeriodSeconds"`
IntervalSeconds float64 `json:"intervalSeconds"`
MaxConsecutiveFailures float64 `json:"maxConsecutiveFailures"`
Path string `json:"path"`
PortIndex float64 `json:"portIndex"`
Protocol string `json:"protocol"`
TimeoutSeconds float64 `json:"timeoutSeconds"`
} `json:"healthCheck"`
Timestamp string `json:"timestamp"`
}
// EventRemoveHealthCheck describes a 'remove_health_check_event' event.
type EventRemoveHealthCheck struct {
AppID string `json:"appId"`
EventType string `json:"eventType"`
HealthCheck struct {
GracePeriodSeconds float64 `json:"gracePeriodSeconds"`
IntervalSeconds float64 `json:"intervalSeconds"`
MaxConsecutiveFailures float64 `json:"maxConsecutiveFailures"`
Path string `json:"path"`
PortIndex float64 `json:"portIndex"`
Protocol string `json:"protocol"`
TimeoutSeconds float64 `json:"timeoutSeconds"`
} `json:"healthCheck"`
Timestamp string `json:"timestamp"`
}
// EventFailedHealthCheck describes a 'failed_health_check_event' event.
type EventFailedHealthCheck struct {
AppID string `json:"appId"`
EventType string `json:"eventType"`
HealthCheck struct {
GracePeriodSeconds float64 `json:"gracePeriodSeconds"`
IntervalSeconds float64 `json:"intervalSeconds"`
MaxConsecutiveFailures float64 `json:"maxConsecutiveFailures"`
Path string `json:"path"`
PortIndex float64 `json:"portIndex"`
Protocol string `json:"protocol"`
TimeoutSeconds float64 `json:"timeoutSeconds"`
} `json:"healthCheck"`
Timestamp string `json:"timestamp"`
}
// EventHealthCheckChanged describes a 'health_status_changed_event' event.
type EventHealthCheckChanged struct {
EventType string `json:"eventType"`
Timestamp string `json:"timestamp,omitempty"`
AppID string `json:"appId"`
TaskID string `json:"taskId"`
Version string `json:"version,omitempty"`
Alive bool `json:"alive"`
}
/* --- Deployments --- */
// EventGroupChangeSuccess describes a 'group_change_success' event.
type EventGroupChangeSuccess struct {
EventType string `json:"eventType"`
GroupID string `json:"groupId"`
Timestamp string `json:"timestamp"`
Version string `json:"version"`
}
// EventGroupChangeFailed describes a 'group_change_failed' event.
type EventGroupChangeFailed struct {
EventType string `json:"eventType"`
GroupID string `json:"groupId"`
Timestamp string `json:"timestamp"`
Version string `json:"version"`
Reason string `json:"reason"`
}
// EventDeploymentSuccess describes a 'deployment_success' event.
type EventDeploymentSuccess struct {
ID string `json:"id"`
EventType string `json:"eventType"`
Timestamp string `json:"timestamp"`
Plan *DeploymentPlan `json:"plan"`
}
// EventDeploymentFailed describes a 'deployment_failed' event.
type EventDeploymentFailed struct {
ID string `json:"id"`
EventType string `json:"eventType"`
Timestamp string `json:"timestamp"`
}
// EventDeploymentInfo describes a 'deployment_info' event.
type EventDeploymentInfo struct {
EventType string `json:"eventType"`
CurrentStep *StepActions `json:"currentStep"`
Timestamp string `json:"timestamp"`
Plan *DeploymentPlan `json:"plan"`
}
// EventDeploymentStepSuccess describes a 'deployment_step_success' event.
type EventDeploymentStepSuccess struct {
EventType string `json:"eventType"`
CurrentStep *StepActions `json:"currentStep"`
Timestamp string `json:"timestamp"`
Plan *DeploymentPlan `json:"plan"`
}
// EventDeploymentStepFailure describes a 'deployment_step_failure' event.
type EventDeploymentStepFailure struct {
EventType string `json:"eventType"`
CurrentStep *StepActions `json:"currentStep"`
Timestamp string `json:"timestamp"`
Plan *DeploymentPlan `json:"plan"`
}
// GetEvent returns allocated empty event object which corresponds to provided event type
// eventType: the type of Marathon event
func GetEvent(eventType string) (*Event, error) {
// step: check it's supported
id, found := eventTypesMap[eventType]
if found {
event := new(Event)
event.ID = id
event.Name = eventType
switch eventType {
case "api_post_event":
event.Event = new(EventAPIRequest)
case "status_update_event":
event.Event = new(EventStatusUpdate)
case "framework_message_event":
event.Event = new(EventFrameworkMessage)
case "subscribe_event":
event.Event = new(EventSubscription)
case "unsubscribe_event":
event.Event = new(EventUnsubscription)
case "event_stream_attached":
event.Event = new(EventStreamAttached)
case "event_stream_detached":
event.Event = new(EventStreamDetached)
case "add_health_check_event":
event.Event = new(EventAddHealthCheck)
case "remove_health_check_event":
event.Event = new(EventRemoveHealthCheck)
case "failed_health_check_event":
event.Event = new(EventFailedHealthCheck)
case "health_status_changed_event":
event.Event = new(EventHealthCheckChanged)
case "group_change_success":
event.Event = new(EventGroupChangeSuccess)
case "group_change_failed":
event.Event = new(EventGroupChangeFailed)
case "deployment_success":
event.Event = new(EventDeploymentSuccess)
case "deployment_failed":
event.Event = new(EventDeploymentFailed)
case "deployment_info":
event.Event = new(EventDeploymentInfo)
case "deployment_step_success":
event.Event = new(EventDeploymentStepSuccess)
case "deployment_step_failure":
event.Event = new(EventDeploymentStepFailure)
case "app_terminated_event":
event.Event = new(EventAppTerminated)
}
return event, nil
}
return nil, fmt.Errorf("the event type: %s was not found or supported", eventType)
}