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apiserver/audit: split apart legacy funcs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package audit | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| configv1 "github.com/openshift/api/config/v1" | ||
| assets "github.com/openshift/library-go/pkg/operator/apiserver/audit/bindata" | ||
| libgoapiserver "github.com/openshift/library-go/pkg/operator/configobserver/apiserver" | ||
| "github.com/openshift/library-go/pkg/operator/resource/resourceapply" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| auditv1 "k8s.io/apiserver/pkg/apis/audit/v1" | ||
| ) | ||
|
|
||
| // GetAuditPolicies returns a config map that holds the audit policies for the target namespaces and name. | ||
| // Note: the returned ConfigMap has Kind and APIVersion not set. This is responsibility of the caller | ||
| // when serializing it. | ||
| func GetAuditPolicies(targetName, targetNamespace string) (*corev1.ConfigMap, error) { | ||
| cm := corev1.ConfigMap{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Namespace: targetNamespace, | ||
| Name: targetName, | ||
| }, | ||
| Data: map[string]string{}, | ||
| } | ||
|
|
||
| for _, profile := range []configv1.AuditProfileType{configv1.AuditProfileDefaultType, configv1.WriteRequestBodiesAuditProfileType, configv1.AllRequestBodiesAuditProfileType} { | ||
| policy, err := GetAuditPolicy(configv1.Audit{Profile: profile}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| policy.Kind = "Policy" | ||
| policy.APIVersion = auditv1.SchemeGroupVersion.String() | ||
|
|
||
| var buf bytes.Buffer | ||
| if err := auditYamlSerializer.Encode(policy, &buf); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| cm.Data[fmt.Sprintf("%s.yaml", strings.ToLower(string(profile)))] = buf.String() | ||
| } | ||
|
|
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| return &cm, nil | ||
| } | ||
|
|
||
| // WithAuditPolicies is meant to wrap a standard Asset function usually provided by an operator. | ||
| // It delegates to GetAuditPolicies when the filename matches the predicate for retrieving a audit policy config map for target namespace and name. | ||
| func WithAuditPolicies(targetName string, targetNamespace string, assetDelegateFunc resourceapply.AssetFunc) resourceapply.AssetFunc { | ||
| return func(file string) ([]byte, error) { | ||
| if file != "audit-policies-cm.yaml" { | ||
| return assetDelegateFunc(file) | ||
| } | ||
|
|
||
| cm, err := GetAuditPolicies(targetName, targetNamespace) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| cm.Kind = "ConfigMap" | ||
| cm.APIVersion = "v1" | ||
|
|
||
| var buf bytes.Buffer | ||
| if err := coreYamlSerializer.Encode(cm, &buf); err != nil { | ||
| return nil, err | ||
| } | ||
| return buf.Bytes(), nil | ||
| } | ||
| } | ||
|
|
||
| // NewAuditPolicyPathGetter returns a path getter for audit policy file mounted into the given path of a Pod as a directory. | ||
| // | ||
| // openshift-apiserver and oauth-apiserver mounts the audit policy ConfigMap into | ||
| // the above path inside the Pod. | ||
| func NewAuditPolicyPathGetter(path string) (libgoapiserver.AuditPolicyPathGetterFunc, error) { | ||
| return func(profile string) (string, error) { | ||
| manifestName := fmt.Sprintf("pkg/operator/apiserver/audit/manifests/%s-rules.yaml", strings.ToLower(profile)) | ||
| if _, err := assets.Asset(manifestName); err != nil { | ||
| return "", fmt.Errorf("invalid audit profile %q", profile) | ||
| } | ||
|
|
||
| return fmt.Sprintf("%s/%s.yaml", path, strings.ToLower(profile)), nil | ||
| }, nil | ||
| } |
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