| // Copyright Istio 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 name |
| |
| import ( |
| "fmt" |
| "strings" |
| ) |
| |
| import ( |
| "istio.io/api/operator/v1alpha1" |
| ) |
| |
| import ( |
| iop "github.com/apache/dubbo-go-pixiu/operator/pkg/apis/istio/v1alpha1" |
| "github.com/apache/dubbo-go-pixiu/operator/pkg/helm" |
| "github.com/apache/dubbo-go-pixiu/operator/pkg/tpath" |
| ) |
| |
| // Istio default namespace |
| const ( |
| IstioDefaultNamespace = "dubbo-system" |
| ) |
| |
| // Kubernetes Kind strings. |
| const ( |
| CRDStr = "CustomResourceDefinition" |
| ClusterRoleStr = "ClusterRole" |
| ClusterRoleBindingStr = "ClusterRoleBinding" |
| CMStr = "ConfigMap" |
| DaemonSetStr = "DaemonSet" |
| DeploymentStr = "Deployment" |
| EndpointStr = "Endpoints" |
| HPAStr = "HorizontalPodAutoscaler" |
| IngressStr = "Ingress" |
| IstioOperator = "IstioOperator" |
| MutatingWebhookConfigurationStr = "MutatingWebhookConfiguration" |
| NamespaceStr = "Namespace" |
| PVCStr = "PersistentVolumeClaim" |
| PodStr = "Pod" |
| PDBStr = "PodDisruptionBudget" |
| ReplicationControllerStr = "ReplicationController" |
| ReplicaSetStr = "ReplicaSet" |
| RoleStr = "Role" |
| RoleBindingStr = "RoleBinding" |
| SAStr = "ServiceAccount" |
| ServiceStr = "Service" |
| SecretStr = "Secret" |
| StatefulSetStr = "StatefulSet" |
| ValidatingWebhookConfigurationStr = "ValidatingWebhookConfiguration" |
| ) |
| |
| // Istio Kind strings |
| const ( |
| EnvoyFilterStr = "EnvoyFilter" |
| GatewayStr = "Gateway" |
| DestinationRuleStr = "DestinationRule" |
| MeshPolicyStr = "MeshPolicy" |
| PeerAuthenticationStr = "PeerAuthentication" |
| VirtualServiceStr = "VirtualService" |
| IstioOperatorStr = "IstioOperator" |
| ) |
| |
| // Istio API Group Names |
| const ( |
| AuthenticationAPIGroupName = "authentication.istio.io" |
| ConfigAPIGroupName = "config.istio.io" |
| NetworkingAPIGroupName = "networking.istio.io" |
| OperatorAPIGroupName = "operator.istio.io" |
| SecurityAPIGroupName = "security.istio.io" |
| ) |
| |
| const ( |
| // OperatorAPINamespace is the API namespace for operator config. |
| // TODO: move this to a base definitions file when one is created. |
| OperatorAPINamespace = OperatorAPIGroupName |
| |
| // DefaultProfileName is the name of the default profile. |
| DefaultProfileName = "default" |
| |
| // installedSpecCRPrefix is the prefix of any IstioOperator CR stored in the cluster that is a copy of the CR used |
| // in the last install operation. |
| InstalledSpecCRPrefix = "installed-state" |
| ) |
| |
| // ComponentName is a component name string, typed to constrain allowed values. |
| type ComponentName string |
| |
| const ( |
| // IstioComponent names corresponding to the IstioOperator proto component names. Must be the same, since these |
| // are used for struct traversal. |
| IstioBaseComponentName ComponentName = "Base" |
| PilotComponentName ComponentName = "Pilot" |
| |
| CNIComponentName ComponentName = "Cni" |
| |
| // istiod remote component |
| IstiodRemoteComponentName ComponentName = "IstiodRemote" |
| |
| // Gateway components |
| IngressComponentName ComponentName = "IngressGateways" |
| EgressComponentName ComponentName = "EgressGateways" |
| |
| // Operator components |
| IstioOperatorComponentName ComponentName = "IstioOperator" |
| IstioOperatorCustomResourceName ComponentName = "IstioOperatorCustomResource" |
| ) |
| |
| // ComponentNamesConfig is used for unmarshaling legacy and addon naming data. |
| type ComponentNamesConfig struct { |
| DeprecatedComponentNames []string |
| } |
| |
| var ( |
| AllCoreComponentNames = []ComponentName{ |
| IstioBaseComponentName, |
| PilotComponentName, |
| CNIComponentName, |
| IstiodRemoteComponentName, |
| } |
| |
| // AllComponentNames is a list of all Istio components. |
| AllComponentNames = append(AllCoreComponentNames, IngressComponentName, EgressComponentName, |
| IstioOperatorComponentName, IstioOperatorCustomResourceName) |
| |
| allCoreComponentNamesMap = map[ComponentName]bool{} |
| |
| // ValuesEnablementPathMap defines a mapping between legacy values enablement paths and the corresponding enablement |
| // paths in IstioOperator. |
| ValuesEnablementPathMap = map[string]string{ |
| "spec.values.gateways.istio-ingressgateway.enabled": "spec.components.ingressGateways.[name:istio-ingressgateway].enabled", |
| "spec.values.gateways.istio-egressgateway.enabled": "spec.components.egressGateways.[name:istio-egressgateway].enabled", |
| } |
| |
| // userFacingComponentNames are the names of components that are displayed to the user in high level CLIs |
| // (like progress log). |
| userFacingComponentNames = map[ComponentName]string{ |
| IstioBaseComponentName: "Istio core", |
| PilotComponentName: "Istiod", |
| CNIComponentName: "CNI", |
| IngressComponentName: "Ingress gateways", |
| EgressComponentName: "Egress gateways", |
| IstioOperatorComponentName: "Istio operator", |
| IstioOperatorCustomResourceName: "Istio operator CRDs", |
| IstiodRemoteComponentName: "Istiod remote", |
| } |
| ) |
| |
| // Manifest defines a manifest for a component. |
| type Manifest struct { |
| Name ComponentName |
| Content string |
| } |
| |
| // ManifestMap is a map of ComponentName to its manifest string. |
| type ManifestMap map[ComponentName][]string |
| |
| func init() { |
| for _, c := range AllCoreComponentNames { |
| allCoreComponentNamesMap[c] = true |
| } |
| } |
| |
| // Consolidated returns a representation of mm where all manifests in the slice under a key are combined into a single |
| // manifest. |
| func (mm ManifestMap) Consolidated() map[string]string { |
| out := make(map[string]string) |
| for cname, ms := range mm { |
| allM := "" |
| for _, m := range ms { |
| allM += m + helm.YAMLSeparator |
| } |
| out[string(cname)] = allM |
| } |
| return out |
| } |
| |
| // MergeManifestSlices merges a slice of manifests into a single manifest string. |
| func MergeManifestSlices(manifests []string) string { |
| return strings.Join(manifests, helm.YAMLSeparator) |
| } |
| |
| // String implements the Stringer interface. |
| func (mm ManifestMap) String() string { |
| out := "" |
| for _, ms := range mm { |
| for _, m := range ms { |
| out += m + helm.YAMLSeparator |
| } |
| } |
| return out |
| } |
| |
| // IsGateway reports whether cn is a gateway component. |
| func (cn ComponentName) IsGateway() bool { |
| return cn == IngressComponentName || cn == EgressComponentName |
| } |
| |
| // Namespace returns the namespace for the component. It follows these rules: |
| // 1. If DefaultNamespace is unset, log and error and return the empty string. |
| // 2. If the feature and component namespaces are unset, return DefaultNamespace. |
| // 3. If the feature namespace is set but component name is unset, return the feature namespace. |
| // 4. Otherwise return the component namespace. |
| // Namespace assumes that controlPlaneSpec has been validated. |
| // TODO: remove extra validations when comfort level is high enough. |
| func Namespace(componentName ComponentName, controlPlaneSpec *v1alpha1.IstioOperatorSpec) (string, error) { |
| defaultNamespace := iop.Namespace(controlPlaneSpec) |
| |
| componentNodeI, found, err := tpath.GetFromStructPath(controlPlaneSpec, "Components."+string(componentName)+".Namespace") |
| if err != nil { |
| return "", fmt.Errorf("error in Namepsace GetFromStructPath componentNamespace for component=%s: %s", componentName, err) |
| } |
| if !found { |
| return defaultNamespace, nil |
| } |
| if componentNodeI == nil { |
| return defaultNamespace, nil |
| } |
| componentNamespace, ok := componentNodeI.(string) |
| if !ok { |
| return "", fmt.Errorf("component %s enabled has bad type %T, expect string", componentName, componentNodeI) |
| } |
| if componentNamespace == "" { |
| return defaultNamespace, nil |
| } |
| return componentNamespace, nil |
| } |
| |
| // TitleCase returns a capitalized version of n. |
| func TitleCase(n ComponentName) ComponentName { |
| s := string(n) |
| return ComponentName(strings.ToUpper(s[0:1]) + s[1:]) |
| } |
| |
| // UserFacingComponentName returns the name of the given component that should be displayed to the user in high |
| // level CLIs (like progress log). |
| func UserFacingComponentName(name ComponentName) string { |
| ret, ok := userFacingComponentNames[name] |
| if !ok { |
| return "Unknown" |
| } |
| return ret |
| } |