feat: add crd gen

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/k8s.io/apiserver/pkg/server/resourceconfig/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package resourceconfig contains the resource config related helper functions.
+package resourceconfig // import "k8s.io/apiserver/pkg/server/resourceconfig"

vendor/k8s.io/apiserver/pkg/server/resourceconfig/helpers.go

@@ -0,0 +1,164 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package resourceconfig
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	serverstore "k8s.io/apiserver/pkg/server/storage"
+	utilflag "k8s.io/apiserver/pkg/util/flag"
+)
+
+// GroupVersionRegistry provides access to registered group versions.
+type GroupVersionRegistry interface {
+	// IsGroupRegistered returns true if given group is registered.
+	IsGroupRegistered(group string) bool
+	// IsVersionRegistered returns true if given version is registered.
+	IsVersionRegistered(v schema.GroupVersion) bool
+	// PrioritizedVersionsAllGroups returns all registered group versions.
+	PrioritizedVersionsAllGroups() []schema.GroupVersion
+}
+
+// MergeResourceEncodingConfigs merges the given defaultResourceConfig with specific GroupVersionResource overrides.
+func MergeResourceEncodingConfigs(
+	defaultResourceEncoding *serverstore.DefaultResourceEncodingConfig,
+	resourceEncodingOverrides []schema.GroupVersionResource,
+) *serverstore.DefaultResourceEncodingConfig {
+	resourceEncodingConfig := defaultResourceEncoding
+	for _, gvr := range resourceEncodingOverrides {
+		resourceEncodingConfig.SetResourceEncoding(gvr.GroupResource(), gvr.GroupVersion(),
+			schema.GroupVersion{Group: gvr.Group, Version: runtime.APIVersionInternal})
+	}
+	return resourceEncodingConfig
+}
+
+// MergeGroupEncodingConfigs merges the given defaultResourceConfig with specific GroupVersion overrides.
+func MergeGroupEncodingConfigs(
+	defaultResourceEncoding *serverstore.DefaultResourceEncodingConfig,
+	storageEncodingOverrides map[string]schema.GroupVersion,
+) *serverstore.DefaultResourceEncodingConfig {
+	resourceEncodingConfig := defaultResourceEncoding
+	for group, storageEncodingVersion := range storageEncodingOverrides {
+		resourceEncodingConfig.SetVersionEncoding(group, storageEncodingVersion, schema.GroupVersion{Group: group, Version: runtime.APIVersionInternal})
+	}
+	return resourceEncodingConfig
+}
+
+// MergeAPIResourceConfigs merges the given defaultAPIResourceConfig with the given resourceConfigOverrides.
+// Exclude the groups not registered in registry, and check if version is
+// not registered in group, then it will fail.
+func MergeAPIResourceConfigs(
+	defaultAPIResourceConfig *serverstore.ResourceConfig,
+	resourceConfigOverrides utilflag.ConfigurationMap,
+	registry GroupVersionRegistry,
+) (*serverstore.ResourceConfig, error) {
+	resourceConfig := defaultAPIResourceConfig
+	overrides := resourceConfigOverrides
+
+	// "api/all=false" allows users to selectively enable specific api versions.
+	allAPIFlagValue, ok := overrides["api/all"]
+	if ok {
+		if allAPIFlagValue == "false" {
+			// Disable all group versions.
+			resourceConfig.DisableAll()
+		} else if allAPIFlagValue == "true" {
+			resourceConfig.EnableAll()
+		}
+	}
+
+	// "<resourceSpecifier>={true|false} allows users to enable/disable API.
+	// This takes preference over api/all, if specified.
+	// Iterate through all group/version overrides specified in runtimeConfig.
+	for key := range overrides {
+		// Have already handled them above. Can skip them here.
+		if key == "api/all" {
+			continue
+		}
+
+		tokens := strings.Split(key, "/")
+		if len(tokens) != 2 {
+			continue
+		}
+		groupVersionString := tokens[0] + "/" + tokens[1]
+		groupVersion, err := schema.ParseGroupVersion(groupVersionString)
+		if err != nil {
+			return nil, fmt.Errorf("invalid key %s", key)
+		}
+
+		// Exclude group not registered into the registry.
+		if !registry.IsGroupRegistered(groupVersion.Group) {
+			continue
+		}
+
+		// Verify that the groupVersion is registered into registry.
+		if !registry.IsVersionRegistered(groupVersion) {
+			return nil, fmt.Errorf("group version %s that has not been registered", groupVersion.String())
+		}
+		enabled, err := getRuntimeConfigValue(overrides, key, false)
+		if err != nil {
+			return nil, err
+		}
+		if enabled {
+			resourceConfig.EnableVersions(groupVersion)
+		} else {
+			resourceConfig.DisableVersions(groupVersion)
+		}
+	}
+
+	return resourceConfig, nil
+}
+
+func getRuntimeConfigValue(overrides utilflag.ConfigurationMap, apiKey string, defaultValue bool) (bool, error) {
+	flagValue, ok := overrides[apiKey]
+	if ok {
+		if flagValue == "" {
+			return true, nil
+		}
+		boolValue, err := strconv.ParseBool(flagValue)
+		if err != nil {
+			return false, fmt.Errorf("invalid value of %s: %s, err: %v", apiKey, flagValue, err)
+		}
+		return boolValue, nil
+	}
+	return defaultValue, nil
+}
+
+// ParseGroups takes in resourceConfig and returns parsed groups.
+func ParseGroups(resourceConfig utilflag.ConfigurationMap) ([]string, error) {
+	groups := []string{}
+	for key := range resourceConfig {
+		if key == "api/all" {
+			continue
+		}
+		tokens := strings.Split(key, "/")
+		if len(tokens) != 2 && len(tokens) != 3 {
+			return groups, fmt.Errorf("runtime-config invalid key %s", key)
+		}
+		groupVersionString := tokens[0] + "/" + tokens[1]
+		groupVersion, err := schema.ParseGroupVersion(groupVersionString)
+		if err != nil {
+			return nil, fmt.Errorf("runtime-config invalid key %s", key)
+		}
+		groups = append(groups, groupVersion.Group)
+	}
+
+	return groups, nil
+}