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Add Gateway API and Envoy Gateway install to Calico Enterprise
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| // Copyright (c) 2024 Tigera, Inc. All rights reserved. | ||
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| // 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. | ||
|
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| package envoygateway | ||
|
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| import ( | ||
| _ "embed" | ||
| "fmt" | ||
| "strings" | ||
| "sync" | ||
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| "github.com/go-logr/logr" | ||
| appsv1 "k8s.io/api/apps/v1" | ||
| batchv1 "k8s.io/api/batch/v1" | ||
| v1 "k8s.io/api/core/v1" | ||
| rbacv1 "k8s.io/api/rbac/v1" | ||
| apiextenv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/yaml" // gopkg.in/yaml.v2 didn't parse all the fields but this package did | ||
| ) | ||
|
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| var ( | ||
| //go:embed resources.yaml | ||
| resources string | ||
|
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| yamlDelimiter = "\n---\n" | ||
| lock sync.Mutex | ||
| cachedObjects []client.Object | ||
| ) | ||
|
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| type yamlKind struct { | ||
| APIVersion string `yaml:"apiVersion"` | ||
| Kind string `yaml:"kind"` | ||
| } | ||
|
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| func GetResources(log logr.Logger) []client.Object { | ||
| lock.Lock() | ||
| defer lock.Unlock() | ||
|
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||
| if len(cachedObjects) == 0 { | ||
| for _, yml := range strings.Split(resources, yamlDelimiter) { | ||
| var yamlKind yamlKind | ||
| if err := yaml.Unmarshal([]byte(yml), &yamlKind); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal YAML: %v:\n%v\n", err, yml)) | ||
| } | ||
| kindStr := yamlKind.APIVersion + "/" + yamlKind.Kind | ||
| log.Info(kindStr) | ||
| switch kindStr { | ||
| case "apiextensions.k8s.io/v1/CustomResourceDefinition": | ||
| obj := &apiextenv1.CustomResourceDefinition{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "apps/v1/Deployment": | ||
| obj := &appsv1.Deployment{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "batch/v1/Job": | ||
| obj := &batchv1.Job{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "rbac.authorization.k8s.io/v1/ClusterRole": | ||
| obj := &rbacv1.ClusterRole{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "rbac.authorization.k8s.io/v1/ClusterRoleBinding": | ||
| obj := &rbacv1.ClusterRoleBinding{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "rbac.authorization.k8s.io/v1/Role": | ||
| obj := &rbacv1.Role{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "rbac.authorization.k8s.io/v1/RoleBinding": | ||
| obj := &rbacv1.RoleBinding{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "v1/ConfigMap": | ||
| obj := &v1.ConfigMap{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "v1/Namespace": | ||
| obj := &v1.Namespace{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "v1/Service": | ||
| obj := &v1.Service{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "v1/ServiceAccount": | ||
| obj := &v1.ServiceAccount{} | ||
| if err := yaml.Unmarshal([]byte(yml), obj); err != nil { | ||
| panic(fmt.Sprintf("unable to unmarshal %v: %v", kindStr, err)) | ||
| } | ||
| cachedObjects = append(cachedObjects, obj) | ||
| case "/": | ||
| // No-op. | ||
| default: | ||
| panic(fmt.Sprintf("unhandled type %v", kindStr)) | ||
| } | ||
| } | ||
| } | ||
|
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| resources := make([]client.Object, len(cachedObjects)) | ||
| for i := range cachedObjects { | ||
| resources[i] = cachedObjects[i].DeepCopyObject().(client.Object) | ||
| } | ||
|
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| return resources | ||
| } |
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