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build.go
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build.go
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package build
import (
"fmt"
"log"
"time"
"github.com/ailisp/reallyfastci/config"
"github.com/ailisp/reallyfastci/core"
"github.com/ailisp/reallyfastci/machine"
"github.com/google/uuid"
"os"
)
type Build struct {
repo string
branch string
commit string
buildScript string
status int
cancel chan bool
machine *machine.Machine
}
type newBuildParam struct {
repo string
branch string
commit string
buildScript string
eventChan chan *core.BuildEvent
}
func newBuild(param *newBuildParam) *Build {
build := &Build{
repo: param.repo,
branch: param.branch,
commit: param.commit,
buildScript: param.buildScript,
cancel: make(chan bool),
}
os.RemoveAll(fmt.Sprintf("build/%v", build.commit))
build.updateStatus(core.BuildQueued)
go build.run()
go func() {
<-time.After(time.Duration(config.Config.Build.TimeoutMinutes) * time.Minute)
build.sendCancel()
log.Printf("cancel build %v because of timeout", build.commit)
}()
return build
}
func (build *Build) run() {
requestId := uuid.New()
for {
switch build.status {
case core.BuildQueued:
machineChan := machine.RequestMachine(requestId)
select {
case <-build.cancel:
machine.ReleaseMachine(requestId)
build.updateStatus(core.BuildCancelled)
return
case m := <-machineChan:
if m != nil {
build.machine = m
build.updateStatus(core.BuildMachineStarted)
} else {
build.updateStatus(core.BuildFailed)
machine.ReleaseMachine(requestId)
return
}
}
case core.BuildMachineStarted:
errChan := build.machine.CloneRepo(build.repo, build.branch, build.commit)
select {
case <-build.cancel:
machine.ReleaseMachine(requestId)
build.updateStatus(core.BuildCancelled)
return
case err := <-errChan:
if err == nil {
build.updateStatus(core.BuildRepoCloned)
} else {
build.updateStatus(core.BuildFailed)
machine.ReleaseMachine(requestId)
return
}
}
case core.BuildRepoCloned:
errChan := build.machine.CopyBuildScript()
select {
case <-build.cancel:
machine.ReleaseMachine(requestId)
build.updateStatus(core.BuildCancelled)
return
case err := <-errChan:
if err == nil {
build.updateStatus(core.BuildScriptCopied)
} else {
build.updateStatus(core.BuildFailed)
machine.ReleaseMachine(requestId)
return
}
}
case core.BuildScriptCopied:
errChan := build.machine.RunBuild(build.commit)
select {
case <-build.cancel:
machine.ReleaseMachine(requestId)
build.updateStatus(core.BuildCancelled)
return
case err := <-errChan:
if err == nil {
build.updateStatus(core.BuildSucceed)
machine.ReleaseMachine(requestId)
return
} else {
build.updateStatus(core.BuildFailed)
machine.ReleaseMachine(requestId)
return
}
}
}
}
}
func (build *Build) updateStatus(status int) {
build.status = status
buildEventChan <- &core.BuildEvent{
Commit: build.commit,
Status: build.status,
}
if status == core.BuildCancelled {
os.MkdirAll(fmt.Sprintf("build/%v", build.commit), os.ModePerm)
f, _ := os.Create(fmt.Sprintf("build/%v/exitcode", build.commit))
f.WriteString(fmt.Sprintf("%v\n", -1))
f.Close()
}
}
func (build *Build) sendCancel() {
build.cancel <- true
}