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https://github.com/grafana/grafana.git
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6afad51761
* Move SignedInUser to user service and RoleType and Roles to org * Use go naming convention for roles * Fix some imports and leftovers * Fix ldap debug test * Fix lint * Fix lint 2 * Fix lint 3 * Fix type and not needed conversion * Clean up messages in api tests * Clean up api tests 2
103 lines
3.2 KiB
Go
103 lines
3.2 KiB
Go
package models
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import (
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"context"
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"encoding/json"
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"time"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/grafana/grafana/pkg/services/user"
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)
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// ChannelPublisher writes data into a channel. Note that permissions are not checked.
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type ChannelPublisher func(orgID int64, channel string, data []byte) error
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// ChannelClientCount will return the number of clients for a channel
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type ChannelClientCount func(orgID int64, channel string) (int, error)
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// SubscribeEvent contains subscription data.
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type SubscribeEvent struct {
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Channel string
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Path string
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Data json.RawMessage
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}
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// SubscribeReply is a reaction to SubscribeEvent.
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type SubscribeReply struct {
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Presence bool
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JoinLeave bool
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Recover bool
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Data json.RawMessage
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}
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// PublishEvent contains publication data.
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type PublishEvent struct {
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Channel string
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Path string
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Data json.RawMessage
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}
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// PublishReply is a reaction to PublishEvent.
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type PublishReply struct {
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// By default, it's a handler responsibility to publish data
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// into a stream upon OnPublish but returning a data here
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// will make Grafana Live publish data itself (i.e. stream handler
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// just works as permission proxy in this case).
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Data json.RawMessage
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// HistorySize sets a stream history size.
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HistorySize int
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// HistoryTTL is a time that messages will live in stream history.
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HistoryTTL time.Duration
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}
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// ChannelHandler defines the core channel behavior
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type ChannelHandler interface {
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// OnSubscribe is called when a client wants to subscribe to a channel
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OnSubscribe(ctx context.Context, user *user.SignedInUser, e SubscribeEvent) (SubscribeReply, backend.SubscribeStreamStatus, error)
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// OnPublish is called when a client writes a message to the channel websocket.
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OnPublish(ctx context.Context, user *user.SignedInUser, e PublishEvent) (PublishReply, backend.PublishStreamStatus, error)
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}
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// ChannelHandlerFactory should be implemented by all core features.
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type ChannelHandlerFactory interface {
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// GetHandlerForPath gets a ChannelHandler for a path.
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// This is called fast and often -- it must be synchronized
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GetHandlerForPath(path string) (ChannelHandler, error)
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}
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// DashboardActivityChannel is a service to advertise dashboard activity
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type DashboardActivityChannel interface {
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// Called when a dashboard is saved -- this includes the error so we can support a
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// gitops workflow that knows if the value was saved to the local database or not
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// in many cases all direct save requests will fail, but the request should be forwarded
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// to any gitops observers
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DashboardSaved(orgID int64, user *user.UserDisplayDTO, message string, dashboard *Dashboard, err error) error
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// Called when a dashboard is deleted
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DashboardDeleted(orgID int64, user *user.UserDisplayDTO, uid string) error
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// Experimental! Indicate is GitOps is active. This really means
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// someone is subscribed to the `grafana/dashboards/gitops` channel
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HasGitOpsObserver(orgID int64) bool
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}
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type LiveMessage struct {
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Id int64
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OrgId int64
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Channel string
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Data json.RawMessage
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Published time.Time
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}
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type SaveLiveMessageQuery struct {
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OrgId int64
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Channel string
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Data json.RawMessage
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}
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type GetLiveMessageQuery struct {
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OrgId int64
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Channel string
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}
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