mirror of
https://github.com/kyverno/kyverno.git
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91 lines
3.4 KiB
Go
91 lines
3.4 KiB
Go
package policyruleinfo
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import (
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"fmt"
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kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
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"github.com/kyverno/kyverno/pkg/autogen"
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"github.com/kyverno/kyverno/pkg/metrics"
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"github.com/kyverno/kyverno/pkg/utils"
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prom "github.com/prometheus/client_golang/prometheus"
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)
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func registerPolicyRuleInfoMetric(
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pc *metrics.PromConfig,
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policyValidationMode metrics.PolicyValidationMode,
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policyType metrics.PolicyType,
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policyBackgroundMode metrics.PolicyBackgroundMode,
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policyNamespace, policyName, ruleName string,
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ruleType metrics.RuleType,
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metricChangeType PolicyRuleInfoMetricChangeType,
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ready bool,
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) error {
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var metricValue float64
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switch metricChangeType {
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case PolicyRuleCreated:
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metricValue = float64(1)
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case PolicyRuleDeleted:
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metricValue = float64(0)
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default:
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return fmt.Errorf("unknown metric change type found: %s", metricChangeType)
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}
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includeNamespaces, excludeNamespaces := pc.Config.GetIncludeNamespaces(), pc.Config.GetExcludeNamespaces()
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if (policyNamespace != "" && policyNamespace != "-") && utils.ContainsString(excludeNamespaces, policyNamespace) {
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metrics.Logger().Info(fmt.Sprintf("Skipping the registration of kyverno_policy_rule_info_total metric as the operation belongs to the namespace '%s' which is one of 'namespaces.exclude' %+v in values.yaml", policyNamespace, excludeNamespaces))
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return nil
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}
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if (policyNamespace != "" && policyNamespace != "-") && len(includeNamespaces) > 0 && !utils.ContainsString(includeNamespaces, policyNamespace) {
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metrics.Logger().Info(fmt.Sprintf("Skipping the registration of kyverno_policy_rule_info_total metric as the operation belongs to the namespace '%s' which is not one of 'namespaces.include' %+v in values.yaml", policyNamespace, includeNamespaces))
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return nil
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}
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if policyType == metrics.Cluster {
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policyNamespace = "-"
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}
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status := "false"
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if ready {
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status = "true"
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}
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pc.Metrics.PolicyRuleInfo.With(prom.Labels{
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"policy_validation_mode": string(policyValidationMode),
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"policy_type": string(policyType),
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"policy_background_mode": string(policyBackgroundMode),
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"policy_namespace": policyNamespace,
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"policy_name": policyName,
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"rule_name": ruleName,
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"rule_type": string(ruleType),
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"status_ready": status,
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}).Set(metricValue)
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return nil
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}
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func AddPolicy(pc *metrics.PromConfig, policy kyvernov1.PolicyInterface) error {
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name, namespace, policyType, backgroundMode, validationMode, err := metrics.GetPolicyInfos(policy)
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if err != nil {
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return err
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}
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ready := policy.IsReady()
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for _, rule := range autogen.ComputeRules(policy) {
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ruleName := rule.Name
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ruleType := metrics.ParseRuleType(rule)
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if err = registerPolicyRuleInfoMetric(pc, validationMode, policyType, backgroundMode, namespace, name, ruleName, ruleType, PolicyRuleCreated, ready); err != nil {
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return err
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}
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}
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return nil
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}
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func RemovePolicy(pc *metrics.PromConfig, policy kyvernov1.PolicyInterface) error {
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name, namespace, policyType, backgroundMode, validationMode, err := metrics.GetPolicyInfos(policy)
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if err != nil {
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return err
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}
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ready := policy.IsReady()
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for _, rule := range autogen.ComputeRules(policy) {
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ruleName := rule.Name
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ruleType := metrics.ParseRuleType(rule)
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if err = registerPolicyRuleInfoMetric(pc, validationMode, policyType, backgroundMode, namespace, name, ruleName, ruleType, PolicyRuleDeleted, ready); err != nil {
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return err
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}
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}
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return nil
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}
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