Unify replica client metrics

This commit is contained in:
Ben Johnson
2021-06-01 18:16:58 -06:00
parent 88909e3bd0
commit 1c0c69a5ab
5 changed files with 71 additions and 113 deletions

View File

@@ -22,8 +22,6 @@ import (
"github.com/aws/aws-sdk-go/service/s3/s3manager"
"github.com/benbjohnson/litestream"
"github.com/benbjohnson/litestream/internal"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"golang.org/x/sync/errgroup"
)
@@ -159,7 +157,7 @@ func (c *ReplicaClient) Generations(ctx context.Context) ([]string, error) {
Prefix: aws.String(litestream.GenerationsPath(c.Path) + "/"),
Delimiter: aws.String("/"),
}, func(page *s3.ListObjectsOutput, lastPage bool) bool {
operationTotalCounterVec.WithLabelValues("LIST").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "LIST").Inc()
for _, prefix := range page.CommonPrefixes {
name := path.Base(*prefix.Prefix)
@@ -193,7 +191,7 @@ func (c *ReplicaClient) DeleteGeneration(ctx context.Context, generation string)
Bucket: aws.String(c.Bucket),
Prefix: aws.String(dir),
}, func(page *s3.ListObjectsOutput, lastPage bool) bool {
operationTotalCounterVec.WithLabelValues("LIST").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "LIST").Inc()
for _, obj := range page.Contents {
objIDs = append(objIDs, &s3.ObjectIdentifier{Key: obj.Key})
@@ -216,7 +214,7 @@ func (c *ReplicaClient) DeleteGeneration(ctx context.Context, generation string)
}); err != nil {
return err
}
operationTotalCounterVec.WithLabelValues("DELETE").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "DELETE").Inc()
objIDs = objIDs[n:]
}
@@ -255,8 +253,8 @@ func (c *ReplicaClient) WriteSnapshot(ctx context.Context, generation string, in
return info, err
}
operationTotalCounterVec.WithLabelValues("PUT").Inc()
operationBytesCounterVec.WithLabelValues("PUT").Add(float64(rc.N()))
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "PUT").Inc()
internal.OperationBytesCounterVec.WithLabelValues(ReplicaClientType, "PUT").Add(float64(rc.N()))
// log.Printf("%s(%s): snapshot: creating %s/%08x t=%s", r.db.Path(), r.Name(), generation, index, time.Since(startTime).Truncate(time.Millisecond))
@@ -288,8 +286,8 @@ func (c *ReplicaClient) SnapshotReader(ctx context.Context, generation string, i
} else if err != nil {
return nil, err
}
operationTotalCounterVec.WithLabelValues("GET").Inc()
operationBytesCounterVec.WithLabelValues("GET").Add(float64(*out.ContentLength))
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "GET").Inc()
internal.OperationBytesCounterVec.WithLabelValues(ReplicaClientType, "GET").Add(float64(*out.ContentLength))
return out.Body, nil
}
@@ -312,7 +310,7 @@ func (c *ReplicaClient) DeleteSnapshot(ctx context.Context, generation string, i
return err
}
operationTotalCounterVec.WithLabelValues("DELETE").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "DELETE").Inc()
return nil
}
@@ -345,8 +343,8 @@ func (c *ReplicaClient) WriteWALSegment(ctx context.Context, pos litestream.Pos,
return info, err
}
operationTotalCounterVec.WithLabelValues("PUT").Inc()
operationBytesCounterVec.WithLabelValues("PUT").Add(float64(rc.N()))
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "PUT").Inc()
internal.OperationBytesCounterVec.WithLabelValues(ReplicaClientType, "PUT").Add(float64(rc.N()))
return litestream.WALSegmentInfo{
Generation: pos.Generation,
@@ -378,8 +376,8 @@ func (c *ReplicaClient) WALSegmentReader(ctx context.Context, pos litestream.Pos
} else if err != nil {
return nil, err
}
operationTotalCounterVec.WithLabelValues("GET").Inc()
operationBytesCounterVec.WithLabelValues("GET").Add(float64(*out.ContentLength))
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "GET").Inc()
internal.OperationBytesCounterVec.WithLabelValues(ReplicaClientType, "GET").Add(float64(*out.ContentLength))
return out.Body, nil
}
@@ -414,7 +412,7 @@ func (c *ReplicaClient) DeleteWALSegments(ctx context.Context, a []litestream.Po
return err
}
operationTotalCounterVec.WithLabelValues("DELETE").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "DELETE").Inc()
a = a[n:]
}
@@ -439,7 +437,7 @@ func (c *ReplicaClient) DeleteAll(ctx context.Context) error {
Bucket: aws.String(c.Bucket),
Prefix: aws.String(prefix),
}, func(page *s3.ListObjectsOutput, lastPage bool) bool {
operationTotalCounterVec.WithLabelValues("LIST").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "LIST").Inc()
for _, obj := range page.Contents {
objIDs = append(objIDs, &s3.ObjectIdentifier{Key: obj.Key})
@@ -462,7 +460,7 @@ func (c *ReplicaClient) DeleteAll(ctx context.Context) error {
}); err != nil {
return err
}
operationTotalCounterVec.WithLabelValues("DELETE").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "DELETE").Inc()
objIDs = objIDs[n:]
}
@@ -510,7 +508,7 @@ func (itr *snapshotIterator) fetch() error {
Prefix: aws.String(dir + "/"),
Delimiter: aws.String("/"),
}, func(page *s3.ListObjectsOutput, lastPage bool) bool {
operationTotalCounterVec.WithLabelValues("LIST").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "LIST").Inc()
for _, obj := range page.Contents {
key := path.Base(*obj.Key)
@@ -613,7 +611,7 @@ func (itr *walSegmentIterator) fetch() error {
Prefix: aws.String(dir + "/"),
Delimiter: aws.String("/"),
}, func(page *s3.ListObjectsOutput, lastPage bool) bool {
operationTotalCounterVec.WithLabelValues("LIST").Inc()
internal.OperationTotalCounterVec.WithLabelValues(ReplicaClientType, "LIST").Inc()
for _, obj := range page.Contents {
key := path.Base(*obj.Key)
@@ -736,16 +734,3 @@ func isNotExists(err error) bool {
return false
}
}
// S3 metrics.
var (
operationTotalCounterVec = promauto.NewCounterVec(prometheus.CounterOpts{
Name: "litestream_s3_operation_total",
Help: "The number of S3 operations performed",
}, []string{"type"})
operationBytesCounterVec = promauto.NewCounterVec(prometheus.CounterOpts{
Name: "litestream_s3_operation_bytes",
Help: "The number of bytes used by S3 operations",
}, []string{"type"})
)