supportedgvks.go

Documentation: github.com/GoogleCloudPlatform/k8s-config-connector/pkg/gvks/supportedgvks

     1  // Copyright 2022 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package supportedgvks
    16  
    17  import (
    18  	iamapi "github.com/GoogleCloudPlatform/k8s-config-connector/pkg/apis/iam/v1beta1"
    19  	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/dcl/metadata"
    20  	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/k8s"
    21  	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/krmtotf"
    22  	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/servicemapping/servicemappingloader"
    23  
    24  	"k8s.io/apimachinery/pkg/runtime/schema"
    25  )
    26  
    27  // All returns GroupVersionKinds corresponding to all the GCP resources
    28  // supported by KCC.
    29  func All(smLoader *servicemappingloader.ServiceMappingLoader, serviceMetaLoader metadata.ServiceMetadataLoader) []schema.GroupVersionKind {
    30  	return resources(smLoader, serviceMetaLoader, true)
    31  }
    32  
    33  // ManualResources returns GroupVersionKinds for all the manually configured KCC
    34  // resources.
    35  func ManualResources(smLoader *servicemappingloader.ServiceMappingLoader, serviceMetaLoader metadata.ServiceMetadataLoader) []schema.GroupVersionKind {
    36  	return resources(smLoader, serviceMetaLoader, false)
    37  }
    38  
    39  func resources(smLoader *servicemappingloader.ServiceMappingLoader, serviceMetaLoader metadata.ServiceMetadataLoader, includesAutoGen bool) []schema.GroupVersionKind {
    40  	gvks := dynamicTypes(smLoader, serviceMetaLoader, includesAutoGen)
    41  	gvks = append(gvks, BasedOnHandwrittenIAMTypes()...)
    42  	return gvks
    43  }
    44  
    45  // AllDynamicTypes returns GroupVersionKinds generated from:
    46  // 1) Terraform schemas (with ServiceMappings metadata layer)
    47  // 2) DCL OpenAPI schemas
    48  func AllDynamicTypes(smLoader *servicemappingloader.ServiceMappingLoader, serviceMetaLoader metadata.ServiceMetadataLoader) []schema.GroupVersionKind {
    49  	return dynamicTypes(smLoader, serviceMetaLoader, true)
    50  }
    51  
    52  func dynamicTypes(smLoader *servicemappingloader.ServiceMappingLoader, serviceMetaLoader metadata.ServiceMetadataLoader, includesAutoGen bool) []schema.GroupVersionKind {
    53  	gvks := basedOnServiceMappings(smLoader, includesAutoGen)
    54  	gvks = append(gvks, BasedOnDCL(serviceMetaLoader)...)
    55  	return gvks
    56  }
    57  
    58  func BasedOnAllServiceMappings(smLoader *servicemappingloader.ServiceMappingLoader) []schema.GroupVersionKind {
    59  	return basedOnServiceMappings(smLoader, true)
    60  }
    61  
    62  func BasedOnManualServiceMappings(smLoader *servicemappingloader.ServiceMappingLoader) []schema.GroupVersionKind {
    63  	return basedOnServiceMappings(smLoader, false)
    64  }
    65  
    66  func basedOnServiceMappings(smLoader *servicemappingloader.ServiceMappingLoader, includesAutoGen bool) []schema.GroupVersionKind {
    67  	gvkSet := make(map[schema.GroupVersionKind]bool)
    68  	for _, sm := range smLoader.GetServiceMappings() {
    69  		for _, rc := range sm.Spec.Resources {
    70  			if !includesAutoGen && rc.AutoGenerated {
    71  				continue
    72  			}
    73  			gvk := krmtotf.GVKForResource(&sm, &rc)
    74  			gvkSet[gvk] = true
    75  		}
    76  	}
    77  	return k8s.GVKSetToList(gvkSet)
    78  }
    79  
    80  func BasedOnHandwrittenIAMTypes() []schema.GroupVersionKind {
    81  	return []schema.GroupVersionKind{
    82  		iamapi.IAMAuditConfigGVK,
    83  		iamapi.IAMPolicyGVK,
    84  		iamapi.IAMPolicyMemberGVK,
    85  		iamapi.IAMPartialPolicyGVK,
    86  	}
    87  }
    88  
    89  func BasedOnDCL(serviceMetaLoader metadata.ServiceMetadataLoader) []schema.GroupVersionKind {
    90  	serviceList := serviceMetaLoader.GetAllServiceMetadata()
    91  	gvkList := make([]schema.GroupVersionKind, 0)
    92  	for _, service := range serviceList {
    93  		for _, resource := range service.Resources {
    94  			if resource.Releasable {
    95  				gvk := metadata.GVKForResource(service, resource)
    96  				gvkList = append(gvkList, gvk)
    97  			}
    98  		}
    99  	}
   100  	return gvkList
   101  }
   102
View as plain text