2d31a44b8a
We're only using it to distribute files in case of failure, which isn't well supported currently, but can be handled for now by using the DIST_DIR environment variable during the command execution. This was at least one cause that we'd be re-running Soong during every build server build, as the DIST_DIR values are unique. Test: m dist Change-Id: Ibd5e6b6c46695350de80b745bfb6a6aa685033a0
136 lines
3.9 KiB
Go
136 lines
3.9 KiB
Go
// Copyright 2017 Google Inc. All rights reserved.
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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 build
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"android/soong/ui/status"
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)
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func runNinja(ctx Context, config Config) {
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ctx.BeginTrace("ninja")
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defer ctx.EndTrace()
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fifo := filepath.Join(config.OutDir(), ".ninja_fifo")
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status.NinjaReader(ctx, ctx.Status.StartTool(), fifo)
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executable := config.PrebuiltBuildTool("ninja")
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args := []string{
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"-d", "keepdepfile",
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"--frontend_file", fifo,
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}
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args = append(args, config.NinjaArgs()...)
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var parallel int
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if config.UseGoma() {
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parallel = config.RemoteParallel()
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} else {
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parallel = config.Parallel()
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}
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args = append(args, "-j", strconv.Itoa(parallel))
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if config.keepGoing != 1 {
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args = append(args, "-k", strconv.Itoa(config.keepGoing))
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}
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args = append(args, "-f", config.CombinedNinjaFile())
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args = append(args, "-w", "dupbuild=err")
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cmd := Command(ctx, config, "ninja", executable, args...)
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if config.HasKatiSuffix() {
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cmd.Environment.AppendFromKati(config.KatiEnvFile())
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}
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cmd.Environment.Set("DIST_DIR", config.DistDir())
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// Allow both NINJA_ARGS and NINJA_EXTRA_ARGS, since both have been
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// used in the past to specify extra ninja arguments.
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if extra, ok := cmd.Environment.Get("NINJA_ARGS"); ok {
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cmd.Args = append(cmd.Args, strings.Fields(extra)...)
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}
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if extra, ok := cmd.Environment.Get("NINJA_EXTRA_ARGS"); ok {
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cmd.Args = append(cmd.Args, strings.Fields(extra)...)
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}
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logPath := filepath.Join(config.OutDir(), ".ninja_log")
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ninjaHeartbeatDuration := time.Minute * 5
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if overrideText, ok := cmd.Environment.Get("NINJA_HEARTBEAT_INTERVAL"); ok {
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// For example, "1m"
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overrideDuration, err := time.ParseDuration(overrideText)
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if err == nil && overrideDuration.Seconds() > 0 {
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ninjaHeartbeatDuration = overrideDuration
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}
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}
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// Poll the ninja log for updates; if it isn't updated enough, then we want to show some diagnostics
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done := make(chan struct{})
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defer close(done)
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ticker := time.NewTicker(ninjaHeartbeatDuration)
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defer ticker.Stop()
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checker := &statusChecker{}
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go func() {
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for {
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select {
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case <-ticker.C:
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checker.check(ctx, config, logPath)
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case <-done:
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return
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}
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}
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}()
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cmd.RunAndPrintOrFatal()
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}
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type statusChecker struct {
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prevTime time.Time
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}
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func (c *statusChecker) check(ctx Context, config Config, pathToCheck string) {
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info, err := os.Stat(pathToCheck)
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var newTime time.Time
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if err == nil {
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newTime = info.ModTime()
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}
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if newTime == c.prevTime {
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// ninja may be stuck
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dumpStucknessDiagnostics(ctx, config, pathToCheck, newTime)
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}
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c.prevTime = newTime
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}
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// dumpStucknessDiagnostics gets called when it is suspected that Ninja is stuck and we want to output some diagnostics
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func dumpStucknessDiagnostics(ctx Context, config Config, statusPath string, lastUpdated time.Time) {
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ctx.Verbosef("ninja may be stuck; last update to %v was %v. dumping process tree...", statusPath, lastUpdated)
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// The "pstree" command doesn't exist on Mac, but "pstree" on Linux gives more convenient output than "ps"
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// So, we try pstree first, and ps second
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pstreeCommandText := fmt.Sprintf("pstree -pal %v", os.Getpid())
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psCommandText := "ps -ef"
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commandText := pstreeCommandText + " || " + psCommandText
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cmd := Command(ctx, config, "dump process tree", "bash", "-c", commandText)
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output := cmd.CombinedOutputOrFatal()
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ctx.Verbose(string(output))
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ctx.Verbosef("done\n")
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}
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