367 lines
13 KiB
Go
367 lines
13 KiB
Go
/*
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Copyright 2014 The go-marathon Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package marathon
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import "fmt"
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// EventType is a wrapper for a marathon event
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type EventType struct {
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EventType string `json:"eventType"`
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}
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const (
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// EventIDAPIRequest is the event listener ID for the corresponding event.
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EventIDAPIRequest = 1 << iota
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// EventIDStatusUpdate is the event listener ID for the corresponding event.
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EventIDStatusUpdate
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// EventIDFrameworkMessage is the event listener ID for the corresponding event.
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EventIDFrameworkMessage
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// EventIDSubscription is the event listener ID for the corresponding event.
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EventIDSubscription
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// EventIDUnsubscribed is the event listener ID for the corresponding event.
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EventIDUnsubscribed
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// EventIDStreamAttached is the event listener ID for the corresponding event.
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EventIDStreamAttached
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// EventIDStreamDetached is the event listener ID for the corresponding event.
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EventIDStreamDetached
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// EventIDAddHealthCheck is the event listener ID for the corresponding event.
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EventIDAddHealthCheck
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// EventIDRemoveHealthCheck is the event listener ID for the corresponding event.
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EventIDRemoveHealthCheck
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// EventIDFailedHealthCheck is the event listener ID for the corresponding event.
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EventIDFailedHealthCheck
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// EventIDChangedHealthCheck is the event listener ID for the corresponding event.
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EventIDChangedHealthCheck
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// EventIDGroupChangeSuccess is the event listener ID for the corresponding event.
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EventIDGroupChangeSuccess
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// EventIDGroupChangeFailed is the event listener ID for the corresponding event.
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EventIDGroupChangeFailed
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// EventIDDeploymentSuccess is the event listener ID for the corresponding event.
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EventIDDeploymentSuccess
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// EventIDDeploymentFailed is the event listener ID for the corresponding event.
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EventIDDeploymentFailed
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// EventIDDeploymentInfo is the event listener ID for the corresponding event.
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EventIDDeploymentInfo
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// EventIDDeploymentStepSuccess is the event listener ID for the corresponding event.
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EventIDDeploymentStepSuccess
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// EventIDDeploymentStepFailed is the event listener ID for the corresponding event.
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EventIDDeploymentStepFailed
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// EventIDAppTerminated is the event listener ID for the corresponding event.
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EventIDAppTerminated
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//EventIDApplications comprises all listener IDs for application events.
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EventIDApplications = EventIDStatusUpdate | EventIDChangedHealthCheck | EventIDFailedHealthCheck | EventIDAppTerminated
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//EventIDSubscriptions comprises all listener IDs for subscription events.
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EventIDSubscriptions = EventIDSubscription | EventIDUnsubscribed | EventIDStreamAttached | EventIDStreamDetached
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)
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var (
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eventTypesMap map[string]int
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)
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func init() {
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eventTypesMap = map[string]int{
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"api_post_event": EventIDAPIRequest,
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"status_update_event": EventIDStatusUpdate,
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"framework_message_event": EventIDFrameworkMessage,
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"subscribe_event": EventIDSubscription,
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"unsubscribe_event": EventIDUnsubscribed,
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"event_stream_attached": EventIDStreamAttached,
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"event_stream_detached": EventIDStreamDetached,
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"add_health_check_event": EventIDAddHealthCheck,
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"remove_health_check_event": EventIDRemoveHealthCheck,
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"failed_health_check_event": EventIDFailedHealthCheck,
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"health_status_changed_event": EventIDChangedHealthCheck,
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"group_change_success": EventIDGroupChangeSuccess,
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"group_change_failed": EventIDGroupChangeFailed,
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"deployment_success": EventIDDeploymentSuccess,
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"deployment_failed": EventIDDeploymentFailed,
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"deployment_info": EventIDDeploymentInfo,
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"deployment_step_success": EventIDDeploymentStepSuccess,
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"deployment_step_failure": EventIDDeploymentStepFailed,
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"app_terminated_event": EventIDAppTerminated,
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}
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}
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//
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// Events taken from: https://mesosphere.github.io/marathon/docs/event-bus.html
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//
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// Event is the definition for a event in marathon
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type Event struct {
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ID int
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Name string
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Event interface{}
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}
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func (event *Event) String() string {
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return fmt.Sprintf("type: %s, event: %s", event.Name, event.Event)
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}
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// EventsChannel is a channel to receive events upon
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type EventsChannel chan *Event
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/* --- API Request --- */
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// EventAPIRequest describes an 'api_post_event' event.
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type EventAPIRequest struct {
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EventType string `json:"eventType"`
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ClientIP string `json:"clientIp"`
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Timestamp string `json:"timestamp"`
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URI string `json:"uri"`
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AppDefinition *Application `json:"appDefinition"`
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}
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/* --- Status Update --- */
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// EventStatusUpdate describes a 'status_update_event' event.
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type EventStatusUpdate struct {
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp,omitempty"`
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SlaveID string `json:"slaveId,omitempty"`
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TaskID string `json:"taskId"`
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TaskStatus string `json:"taskStatus"`
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Message string `json:"message,omitempty"`
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AppID string `json:"appId"`
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Host string `json:"host"`
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Ports []int `json:"ports,omitempty"`
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IPAddresses []*IPAddress `json:"ipAddresses"`
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Version string `json:"version,omitempty"`
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}
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// EventAppTerminated describes an 'app_terminated_event' event.
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type EventAppTerminated struct {
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp,omitempty"`
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AppID string `json:"appId"`
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}
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/* --- Framework Message --- */
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// EventFrameworkMessage describes a 'framework_message_event' event.
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type EventFrameworkMessage struct {
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EventType string `json:"eventType"`
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ExecutorID string `json:"executorId"`
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Message string `json:"message"`
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SlaveID string `json:"slaveId"`
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Timestamp string `json:"timestamp"`
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}
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/* --- Event Subscription --- */
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// EventSubscription describes a 'subscribe_event' event.
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type EventSubscription struct {
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CallbackURL string `json:"callbackUrl"`
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ClientIP string `json:"clientIp"`
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp"`
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}
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// EventUnsubscription describes an 'unsubscribe_event' event.
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type EventUnsubscription struct {
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CallbackURL string `json:"callbackUrl"`
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ClientIP string `json:"clientIp"`
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp"`
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}
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// EventStreamAttached describes an 'event_stream_attached' event.
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type EventStreamAttached struct {
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RemoteAddress string `json:"remoteAddress"`
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp"`
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}
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// EventStreamDetached describes an 'event_stream_detached' event.
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type EventStreamDetached struct {
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RemoteAddress string `json:"remoteAddress"`
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp"`
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}
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/* --- Health Checks --- */
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// EventAddHealthCheck describes an 'add_health_check_event' event.
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type EventAddHealthCheck struct {
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AppID string `json:"appId"`
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EventType string `json:"eventType"`
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HealthCheck struct {
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GracePeriodSeconds float64 `json:"gracePeriodSeconds"`
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IntervalSeconds float64 `json:"intervalSeconds"`
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MaxConsecutiveFailures float64 `json:"maxConsecutiveFailures"`
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Path string `json:"path"`
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PortIndex float64 `json:"portIndex"`
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Protocol string `json:"protocol"`
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TimeoutSeconds float64 `json:"timeoutSeconds"`
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} `json:"healthCheck"`
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Timestamp string `json:"timestamp"`
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}
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// EventRemoveHealthCheck describes a 'remove_health_check_event' event.
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type EventRemoveHealthCheck struct {
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AppID string `json:"appId"`
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EventType string `json:"eventType"`
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HealthCheck struct {
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GracePeriodSeconds float64 `json:"gracePeriodSeconds"`
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IntervalSeconds float64 `json:"intervalSeconds"`
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MaxConsecutiveFailures float64 `json:"maxConsecutiveFailures"`
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Path string `json:"path"`
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PortIndex float64 `json:"portIndex"`
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Protocol string `json:"protocol"`
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TimeoutSeconds float64 `json:"timeoutSeconds"`
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} `json:"healthCheck"`
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Timestamp string `json:"timestamp"`
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}
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// EventFailedHealthCheck describes a 'failed_health_check_event' event.
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type EventFailedHealthCheck struct {
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AppID string `json:"appId"`
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EventType string `json:"eventType"`
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HealthCheck struct {
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GracePeriodSeconds float64 `json:"gracePeriodSeconds"`
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IntervalSeconds float64 `json:"intervalSeconds"`
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MaxConsecutiveFailures float64 `json:"maxConsecutiveFailures"`
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Path string `json:"path"`
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PortIndex float64 `json:"portIndex"`
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Protocol string `json:"protocol"`
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TimeoutSeconds float64 `json:"timeoutSeconds"`
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} `json:"healthCheck"`
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Timestamp string `json:"timestamp"`
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}
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// EventHealthCheckChanged describes a 'health_status_changed_event' event.
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type EventHealthCheckChanged struct {
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp,omitempty"`
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AppID string `json:"appId"`
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TaskID string `json:"taskId"`
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Version string `json:"version,omitempty"`
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Alive bool `json:"alive"`
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}
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/* --- Deployments --- */
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// EventGroupChangeSuccess describes a 'group_change_success' event.
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type EventGroupChangeSuccess struct {
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EventType string `json:"eventType"`
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GroupID string `json:"groupId"`
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Timestamp string `json:"timestamp"`
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Version string `json:"version"`
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}
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// EventGroupChangeFailed describes a 'group_change_failed' event.
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type EventGroupChangeFailed struct {
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EventType string `json:"eventType"`
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GroupID string `json:"groupId"`
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Timestamp string `json:"timestamp"`
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Version string `json:"version"`
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Reason string `json:"reason"`
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}
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// EventDeploymentSuccess describes a 'deployment_success' event.
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type EventDeploymentSuccess struct {
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ID string `json:"id"`
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp"`
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Plan *DeploymentPlan `json:"plan"`
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}
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// EventDeploymentFailed describes a 'deployment_failed' event.
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type EventDeploymentFailed struct {
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ID string `json:"id"`
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EventType string `json:"eventType"`
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Timestamp string `json:"timestamp"`
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}
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// EventDeploymentInfo describes a 'deployment_info' event.
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type EventDeploymentInfo struct {
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EventType string `json:"eventType"`
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CurrentStep *StepActions `json:"currentStep"`
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Timestamp string `json:"timestamp"`
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Plan *DeploymentPlan `json:"plan"`
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}
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// EventDeploymentStepSuccess describes a 'deployment_step_success' event.
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type EventDeploymentStepSuccess struct {
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EventType string `json:"eventType"`
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CurrentStep *StepActions `json:"currentStep"`
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Timestamp string `json:"timestamp"`
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Plan *DeploymentPlan `json:"plan"`
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}
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// EventDeploymentStepFailure describes a 'deployment_step_failure' event.
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type EventDeploymentStepFailure struct {
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EventType string `json:"eventType"`
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CurrentStep *StepActions `json:"currentStep"`
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Timestamp string `json:"timestamp"`
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Plan *DeploymentPlan `json:"plan"`
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}
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// GetEvent returns allocated empty event object which corresponds to provided event type
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// eventType: the type of Marathon event
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func GetEvent(eventType string) (*Event, error) {
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// step: check it's supported
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id, found := eventTypesMap[eventType]
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if found {
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event := new(Event)
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event.ID = id
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event.Name = eventType
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switch eventType {
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case "api_post_event":
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event.Event = new(EventAPIRequest)
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case "status_update_event":
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event.Event = new(EventStatusUpdate)
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case "framework_message_event":
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event.Event = new(EventFrameworkMessage)
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case "subscribe_event":
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event.Event = new(EventSubscription)
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case "unsubscribe_event":
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event.Event = new(EventUnsubscription)
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case "event_stream_attached":
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event.Event = new(EventStreamAttached)
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case "event_stream_detached":
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event.Event = new(EventStreamDetached)
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case "add_health_check_event":
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event.Event = new(EventAddHealthCheck)
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case "remove_health_check_event":
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event.Event = new(EventRemoveHealthCheck)
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case "failed_health_check_event":
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event.Event = new(EventFailedHealthCheck)
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case "health_status_changed_event":
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event.Event = new(EventHealthCheckChanged)
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case "group_change_success":
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event.Event = new(EventGroupChangeSuccess)
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case "group_change_failed":
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event.Event = new(EventGroupChangeFailed)
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case "deployment_success":
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event.Event = new(EventDeploymentSuccess)
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case "deployment_failed":
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event.Event = new(EventDeploymentFailed)
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case "deployment_info":
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event.Event = new(EventDeploymentInfo)
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case "deployment_step_success":
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event.Event = new(EventDeploymentStepSuccess)
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case "deployment_step_failure":
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event.Event = new(EventDeploymentStepFailure)
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case "app_terminated_event":
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event.Event = new(EventAppTerminated)
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}
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return event, nil
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}
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return nil, fmt.Errorf("the event type: %s was not found or supported", eventType)
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}
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