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report.go
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report.go
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package webhooks
import (
"strings"
kyverno "github.com/nirmata/kyverno/pkg/api/kyverno/v1"
"github.com/nirmata/kyverno/pkg/engine/response"
"github.com/golang/glog"
"github.com/nirmata/kyverno/pkg/event"
)
//generateEvents generates event info for the engine responses
func generateEvents(engineResponses []response.EngineResponse, onUpdate bool) []event.Info {
var events []event.Info
if !isResponseSuccesful(engineResponses) {
for _, er := range engineResponses {
if er.IsSuccesful() {
// dont create events on success
continue
}
// default behavior is audit
reason := event.PolicyViolation
if er.PolicyResponse.ValidationFailureAction == Enforce {
reason = event.RequestBlocked
}
failedRules := er.GetFailedRules()
filedRulesStr := strings.Join(failedRules, ";")
if onUpdate {
var e event.Info
// UPDATE
// event on resource
e = event.NewEvent(
er.PolicyResponse.Resource.Kind,
er.PolicyResponse.Resource.APIVersion,
er.PolicyResponse.Resource.Namespace,
er.PolicyResponse.Resource.Name,
reason.String(),
event.AdmissionController,
event.FPolicyApplyBlockUpdate,
filedRulesStr,
er.PolicyResponse.Policy,
)
glog.V(4).Infof("UPDATE event on resource %s/%s/%s with policy %s", er.PolicyResponse.Resource.Kind, er.PolicyResponse.Resource.Namespace, er.PolicyResponse.Resource.Name, er.PolicyResponse.Policy)
events = append(events, e)
// event on policy
e = event.NewEvent(
"ClusterPolicy",
kyverno.SchemeGroupVersion.String(),
"",
er.PolicyResponse.Policy,
reason.String(),
event.AdmissionController,
event.FPolicyBlockResourceUpdate,
er.PolicyResponse.Resource.GetKey(),
filedRulesStr,
)
glog.V(4).Infof("UPDATE event on policy %s", er.PolicyResponse.Policy)
events = append(events, e)
} else {
// CREATE
// event on policy
e := event.NewEvent(
"ClusterPolicy",
kyverno.SchemeGroupVersion.String(),
"",
er.PolicyResponse.Policy,
reason.String(),
event.AdmissionController,
event.FPolicyApplyBlockCreate,
er.PolicyResponse.Resource.GetKey(),
filedRulesStr,
)
glog.V(4).Infof("CREATE event on policy %s", er.PolicyResponse.Policy)
events = append(events, e)
}
}
return events
}
if !onUpdate {
// All policies were applied succesfully
// CREATE
for _, er := range engineResponses {
successRules := er.GetSuccessRules()
successRulesStr := strings.Join(successRules, ";")
// event on resource
e := event.NewEvent(
er.PolicyResponse.Resource.Kind,
er.PolicyResponse.Resource.APIVersion,
er.PolicyResponse.Resource.Namespace,
er.PolicyResponse.Resource.Name,
event.PolicyApplied.String(),
event.AdmissionController,
event.SRulesApply,
successRulesStr,
er.PolicyResponse.Policy,
)
events = append(events, e)
}
}
return events
}