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apiserver: rename request body size metric

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Rename the apiserver_request_body_sizes metric to
apiserver_request_body_size_bytes to conform with Prometheus best
practices.

This can be done safely without deprecation because that metric wasn't
registered before.

Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>
This commit is contained in:
Damien Grisonnet 2023-09-07 19:16:31 +02:00
parent 18c3c7efb3
commit 08006c842f
2 changed files with 40 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
staging/src/k8s.io/apiserver/pkg/endpoints/handlers/metrics/metrics.go
View File

@ -18,6 +18,7 @@ package metrics
import (
"context"
"k8s.io/component-base/metrics"
)
@ -35,8 +36,8 @@ var (
RequestBodySizes = metrics.NewHistogramVec(
&metrics.HistogramOpts{
Subsystem: "apiserver",
Name: "request_body_sizes",
Help: "Apiserver request body sizes broken out by size.",
Name: "request_body_size_bytes",
Help: "Apiserver request body size in bytes broken out by resource and verb.",
// we use 0.05 KB as the smallest bucket with 0.1 KB increments up to the
// apiserver limit.
Buckets: metrics.LinearBuckets(50000, 100000, 31),

74
staging/src/k8s.io/apiserver/pkg/endpoints/handlers/rest_test.go
View File

@ -134,42 +134,42 @@ func TestLimitedReadBody(t *testing.T) {
requestBody: strings.NewReader("aaaa"),
limit: 5,
expectedMetrics: `
# HELP apiserver_request_body_sizes [ALPHA] Apiserver request body sizes broken out by size.
# TYPE apiserver_request_body_sizes histogram
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="50000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="150000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="250000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="350000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="450000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="550000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="650000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="750000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="850000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="950000"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.05e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.15e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.25e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.35e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.45e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.55e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.65e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.75e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.85e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="1.95e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.05e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.15e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.25e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.35e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.45e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.55e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.65e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.75e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.85e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="2.95e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="3.05e+06"} 1
apiserver_request_body_sizes_bucket{resource="resource.group",verb="create",le="+Inf"} 1
apiserver_request_body_sizes_sum{resource="resource.group",verb="create"} 4
apiserver_request_body_sizes_count{resource="resource.group",verb="create"} 1
# HELP apiserver_request_body_size_bytes [ALPHA] Apiserver request body size in bytes broken out by resource and verb.
# TYPE apiserver_request_body_size_bytes histogram
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="50000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="150000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="250000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="350000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="450000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="550000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="650000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="750000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="850000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="950000"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.05e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.15e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.25e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.35e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.45e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.55e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.65e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.75e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.85e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="1.95e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.05e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.15e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.25e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.35e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.45e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.55e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.65e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.75e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.85e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="2.95e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="3.05e+06"} 1
apiserver_request_body_size_bytes_bucket{resource="resource.group",verb="create",le="+Inf"} 1
apiserver_request_body_size_bytes_sum{resource="resource.group",verb="create"} 4
apiserver_request_body_size_bytes_count{resource="resource.group",verb="create"} 1
`,
expectedErr: false,
},
@ -192,7 +192,7 @@ func TestLimitedReadBody(t *testing.T) {
}
return
}
if err = testutil.GatherAndCompare(legacyregistry.DefaultGatherer, strings.NewReader(tc.expectedMetrics), "apiserver_request_body_sizes"); err != nil {
if err = testutil.GatherAndCompare(legacyregistry.DefaultGatherer, strings.NewReader(tc.expectedMetrics), "apiserver_request_body_size_bytes"); err != nil {
t.Errorf("unexpected err: %v", err)
}
})