71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
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// Copyright 2019 Drone IO, 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 core
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import (
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"context"
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"io"
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)
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// Line represents a line in the logs.
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type Line struct {
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Number int `json:"pos"`
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Message string `json:"out"`
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Timestamp int64 `json:"time"`
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}
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// LogStore persists build output to storage.
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type LogStore interface {
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// Find returns a log stream from the datastore.
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Find(ctx context.Context, stage int64) (io.ReadCloser, error)
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// Create writes copies the log stream from Reader r to the datastore.
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Create(ctx context.Context, stage int64, r io.Reader) error
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// Update writes copies the log stream from Reader r to the datastore.
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Update(ctx context.Context, stage int64, r io.Reader) error
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// Delete purges the log stream from the datastore.
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Delete(ctx context.Context, stage int64) error
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}
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// LogStream manages a live stream of logs.
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type LogStream interface {
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// Create creates the log stream for the step ID.
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Create(context.Context, int64) error
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// Delete deletes the log stream for the step ID.
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Delete(context.Context, int64) error
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// Writes writes to the log stream.
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Write(context.Context, int64, *Line) error
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// Tail tails the log stream.
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Tail(context.Context, int64) (<-chan *Line, <-chan error)
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// Info returns internal stream information.
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Info(context.Context) *LogStreamInfo
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}
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// LogStreamInfo provides internal stream information. This can
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// be used to monitor the number of registered streams and
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// subscribers.
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type LogStreamInfo struct {
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// Streams is a key-value pair where the key is the step
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// identifier, and the value is the count of subscribers
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// streaming the logs.
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Streams map[int64]int `json:"streams"`
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}
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