89 lines
4.9 KiB
Go
89 lines
4.9 KiB
Go
/*
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Copyright 2022 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package cel
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import (
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"context"
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"strings"
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"testing"
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"time"
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"k8s.io/component-base/metrics/legacyregistry"
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"k8s.io/component-base/metrics/testutil"
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)
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type metricsObserver func()
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func TestNoUtils(t *testing.T) {
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metrics := []string{
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"apiserver_validating_admission_policy_definition_total",
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"apiserver_validating_admission_policy_check_total",
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"apiserver_validating_admission_policy_check_duration_seconds",
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}
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testCases := []struct {
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desc string
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want string
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observer metricsObserver
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}{
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{
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desc: "observe policy check",
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want: `
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# HELP apiserver_validating_admission_policy_check_duration_seconds [ALPHA] Validation admission latency for individual validation expressions in seconds, labeled by policy and param resource, further including binding, state and enforcement action taken.
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# TYPE apiserver_validating_admission_policy_check_duration_seconds histogram
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apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true",le="0.0000005"} 0
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apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true",le="0.001"} 0
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apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true",le="0.01"} 0
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apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true",le="0.1"} 0
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apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true",le="1"} 0
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apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true",le="+Inf"} 1
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apiserver_validating_admission_policy_check_duration_seconds_sum{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true"} 10
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apiserver_validating_admission_policy_check_duration_seconds_count{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true"} 1
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# HELP apiserver_validating_admission_policy_check_total [ALPHA] Validation admission policy check total, labeled by policy and param resource, and further identified by binding, validation expression, enforcement action taken, and state.
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# TYPE apiserver_validating_admission_policy_check_total counter
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apiserver_validating_admission_policy_check_total{enforcement_action="allow",params="params.example.com",policy="policy.example.com",policy_binding="binding.example.com",state="active",validation_expression="true"} 1
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`,
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observer: func() {
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Metrics.ObserveCheck(context.TODO(), time.Duration(10)*time.Second, "policy.example.com", "binding.example.com", "true", "allow", "params.example.com", "active")
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},
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},
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{
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desc: "observe policy definition",
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want: `# HELP apiserver_validating_admission_policy_definition_total [ALPHA] Validation admission policy count total, labeled by state and enforcement action.
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# TYPE apiserver_validating_admission_policy_definition_total counter
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apiserver_validating_admission_policy_definition_total{enforcement_action="deny",state="active"} 1
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`,
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observer: func() {
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Metrics.ObserveDefinition(context.TODO(), "active", "deny")
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},
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},
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}
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Metrics.Reset()
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for _, tt := range testCases {
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t.Run(tt.desc, func(t *testing.T) {
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defer Metrics.Reset()
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tt.observer()
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if err := testutil.GatherAndCompare(legacyregistry.DefaultGatherer, strings.NewReader(tt.want), metrics...); err != nil {
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t.Fatal(err)
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}
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})
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}
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}
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