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2785206535
* Formatting. * fix: [CDE-150]: In logstream, adding locking and panic recovery around a subscriber's publish method. Adding check in the stream's publish method to not publish if the sub is closed. Closing the err channel in the log stream API handler.
92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package gitspace
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import (
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"context"
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"encoding/json"
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"fmt"
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apiauth "github.com/harness/gitness/app/api/auth"
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"github.com/harness/gitness/app/auth"
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"github.com/harness/gitness/app/sse"
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"github.com/harness/gitness/livelog"
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"github.com/harness/gitness/types/enum"
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)
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func (c *Controller) LogsStream(
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ctx context.Context,
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session *auth.Session,
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spaceRef string,
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identifier string,
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) (<-chan *sse.Event, <-chan error, error) {
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space, err := c.spaceStore.FindByRef(ctx, spaceRef)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to find space: %w", err)
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}
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err = apiauth.CheckGitspace(ctx, c.authorizer, session, space.Path, identifier, enum.PermissionGitspaceView)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to authorize: %w", err)
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}
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gitspaceConfig, err := c.gitspaceConfigStore.FindByIdentifier(ctx, space.ID, identifier)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to find gitspace config: %w", err)
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}
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linec, errc := c.statefulLogger.TailLogStream(ctx, gitspaceConfig.ID)
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if linec == nil {
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return nil, nil, fmt.Errorf("log stream not present, failed to tail log stream")
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}
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evenc := make(chan *sse.Event)
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errch := make(chan error)
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go func() {
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defer close(evenc)
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defer close(errch)
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for {
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select {
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case <-ctx.Done():
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return
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case line, ok := <-linec:
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if !ok {
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return
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}
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event := sse.Event{
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Type: enum.SSETypeLogLineAppended,
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Data: marshalLine(line),
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}
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evenc <- &event
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case err = <-errc:
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if err != nil {
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errch <- err
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return
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}
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}
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}
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}()
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return evenc, errch, nil
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}
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func marshalLine(line *livelog.Line) []byte {
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data, _ := json.Marshal(line)
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return data
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}
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