55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Copyright 2016-2021, Pulumi Corporation.
|
|
//
|
|
// 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 auto
|
|
|
|
import (
|
|
"encoding/json"
|
|
"github.com/nxadm/tail"
|
|
|
|
"github.com/pulumi/pulumi/sdk/v3/go/auto/events"
|
|
"github.com/pulumi/pulumi/sdk/v3/go/common/apitype"
|
|
)
|
|
|
|
func watchFile(path string, receivers []chan<- events.EngineEvent) (*tail.Tail, error) {
|
|
t, err := tail.TailFile(path, tail.Config{
|
|
Follow: true,
|
|
Logger: tail.DiscardingLogger,
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
go func(tailedLog *tail.Tail) {
|
|
for line := range tailedLog.Lines {
|
|
if line.Err != nil {
|
|
for _, r := range receivers {
|
|
r <- events.EngineEvent{Error: line.Err}
|
|
}
|
|
continue
|
|
}
|
|
var e apitype.EngineEvent
|
|
err = json.Unmarshal([]byte(line.Text), &e)
|
|
if err != nil {
|
|
for _, r := range receivers {
|
|
r <- events.EngineEvent{Error: err}
|
|
}
|
|
continue
|
|
}
|
|
for _, r := range receivers {
|
|
r <- events.EngineEvent{EngineEvent: e}
|
|
}
|
|
}
|
|
}(t)
|
|
return t, nil
|
|
}
|