88 lines
2.9 KiB
Diff
88 lines
2.9 KiB
Diff
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From f7263dbc15c9730bd5dd562790d17607bbd6caec Mon Sep 17 00:00:00 2001
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From: jingrui <jingrui@huawei.com>
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Date: Tue, 14 May 2019 12:13:46 +0800
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Subject: [PATCH] cleanup local-db on first start after os start
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Change-Id: I8ed28bbdd4d7d87211339e8d1d752f435c999789
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Signed-off-by: jingrui <jingrui@huawei.com>
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---
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components/engine/daemon/daemon.go | 55 ++++++++++++++++++++++++++++++
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1 file changed, 55 insertions(+)
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diff --git a/components/engine/daemon/daemon.go b/components/engine/daemon/daemon.go
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index 041e7142f1..2d5051412e 100644
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--- a/components/engine/daemon/daemon.go
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+++ b/components/engine/daemon/daemon.go
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@@ -509,6 +509,8 @@ func (daemon *Daemon) restore() error {
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logrus.Errorf("removeRedundantMounts failed %v", err)
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}
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+ daemon.cleanupLocalDBs()
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+
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containerIDs := make(map[string]struct{})
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for cid, _ := range containers {
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containerIDs[cid] = struct{}{}
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@@ -609,6 +611,59 @@ func (daemon *Daemon) restore() error {
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return nil
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}
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+func (daemon *Daemon) cleanupLocalDB(db string) {
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+ _, err := os.Stat(db)
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+ if err == nil {
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+ err = os.Remove(db)
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+ logrus.Infof("cleanup DB %s error=%v", db, err)
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+ }
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+}
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+
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+// DB files may corrupted on exception poweroff but can be rebuild at run time,
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+// so we can remove DB files on OS starts avoid daemon can not startup.
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+func (daemon *Daemon) cleanupLocalDBs() {
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+ // check db lock is exist, do nothing if file is existed
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+ dbLockPath := filepath.Join(daemon.configStore.ExecRoot, "dblock")
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+ _, err := os.Stat(dbLockPath)
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+ if err == nil {
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+ return
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+ }
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+ if !os.IsNotExist(err) {
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+ logrus.Errorf("stat dblock failed %v", err)
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+ return
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+ }
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+ ioutil.WriteFile(dbLockPath, []byte{}, 0600)
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+
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+ removeAllDB := func() {
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+ daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "builder/fscache.db"))
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+ daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "volumes/metadata.db"))
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+ daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "network/files/local-kv.db"))
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+ // daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "containerd/daemon/io.containerd.metadata.v1.bolt/meta.db"))
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+ daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "accelerator/accel.db"))
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+ daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "buildkit/metadata.db"))
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+ daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "buildkit/cache.db"))
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+ daemon.cleanupLocalDB(filepath.Join(daemon.configStore.Root, "buildkit/snapshots.db"))
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+ }
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+
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+ if daemon.containers == nil {
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+ logrus.Warnf("nil containers, cleanup local DB after OS start ...")
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+ removeAllDB()
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+ return
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+ }
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+
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+ ls, err := daemon.Containers(&types.ContainerListOptions{})
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+ if err != nil {
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+ logrus.Errorf("list containers failed %v", err)
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+ return
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+ }
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+
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+ if len(ls) == 0 {
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+ logrus.Warnf("no running containers, cleanup local DB after OS start ...")
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+ removeAllDB()
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+ return
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+ }
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+}
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+
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// RestartSwarmContainers restarts any autostart container which has a
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// swarm endpoint.
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func (daemon *Daemon) RestartSwarmContainers() {
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--
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2.17.1
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