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Record Datastore metrics for flatfs and leveldb

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This commit is contained in:
Tommi Virtanen
2015-04-28 18:31:45 -07:00
parent 2dd9b16878
commit 96a86cac98
1 changed files with 30 additions and 3 deletions
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33
repo/fsrepo/fsrepo.go
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@ -13,6 +13,7 @@ import (
ds "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore"
"github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/flatfs"
levelds "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/leveldb"
"github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/measure"
"github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/mount"
ldbopts "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/opt"
repo "github.com/ipfs/go-ipfs/repo"
@ -93,7 +94,9 @@ type FSRepo struct {
config *config.Config
ds ds.ThreadSafeDatastore
// tracked separately for use in Close; do not use directly.
leveldbDS levelds.Datastore
leveldbDS levelds.Datastore
metricsBlocks measure.DatastoreCloser
metricsLevelDB measure.DatastoreCloser
}
var _ repo.Repo = (*FSRepo)(nil)
@ -329,9 +332,27 @@ func (r *FSRepo) openDatastore() error {
return errors.New("unable to open flatfs datastore")
}
// Add our PeerID to metrics paths to keep them unique
//
// As some tests just pass a zero-value Config to fsrepo.Init,
// cope with missing PeerID.
id := r.config.Identity.PeerID
if id == "" {
// the tests pass in a zero Config; cope with it
id = fmt.Sprintf("uninitialized_%p", r)
}
prefix := "fsrepo." + id + ".datastore."
r.metricsBlocks = measure.New(prefix+"blocks", blocksDS)
r.metricsLevelDB = measure.New(prefix+"leveldb", r.leveldbDS)
mountDS := mount.New([]mount.Mount{
{Prefix: ds.NewKey("/blocks"), Datastore: blocksDS},
{Prefix: ds.NewKey("/"), Datastore: r.leveldbDS},
{
Prefix: ds.NewKey("/blocks"),
Datastore: r.metricsBlocks,
},
{
Prefix: ds.NewKey("/"),
Datastore: r.metricsLevelDB,
},
})
// Make sure it's ok to claim the virtual datastore from mount as
// threadsafe. There's no clean way to make mount itself provide
@ -365,6 +386,12 @@ func (r *FSRepo) Close() error {
return errors.New("repo is closed")
}
if err := r.metricsBlocks.Close(); err != nil {
return err
}
if err := r.metricsLevelDB.Close(); err != nil {
return err
}
if err := r.leveldbDS.Close(); err != nil {
return err
}