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* covert olm bundle structure to operator-registyr-structure
* This commit supports case when more than one version of crd is presented in olm bundle
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,222 @@ | ||
| package main | ||
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| import ( | ||
| "errors" | ||
| "flag" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "strings" | ||
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| "gopkg.in/yaml.v2" | ||
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| olm "github.com/operator-framework/operator-lifecycle-manager/pkg/api/apis/operators/v1alpha1" | ||
| extv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
|
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| "k8s.io/klog" | ||
| ) | ||
|
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| //CSVAnnotations - CSVAnnotations of OLM CSV manifest | ||
| type CSVAnnotations struct { | ||
| // AlmExamples is an unstructured key value map stored with a resource that may be | ||
| // set by external tools to store and retrieve arbitrary metadata. They are not | ||
| // queryable and should be preserved when modifying objects. | ||
| // More info: http://kubernetes.io/docs/user-guide/annotations | ||
| // +optional | ||
| AlmExamples map[string]string `json:"alm-examples,omitempty" protobuf:"bytes,12,rep,name=annotations"` | ||
| //Capabilities | ||
| Capabilites string `json:"capabilities,omitempty" protobuf:"bytes,1,opt,name=capabilities"` | ||
| //Categories | ||
| Categories string `json:"categories,omitempty" protobuf:"bytes,1,opt,name=categories"` | ||
| //Description | ||
| Description string `json:"description,omitempty" protobuf:"bytes,1,opt,name=description"` | ||
| } | ||
|
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| //CSVMetadata - CSVMetadata of OLM CSV manifest | ||
| type CSVMetadata struct { | ||
| // CSVAnnnotations is an unstructured key value map stored with a resource that may be | ||
| // set by external tools to store and retrieve arbitrary metadata. They are not | ||
| // queryable and should be preserved when modifying objects. | ||
| // More info: http://kubernetes.io/docs/user-guide/annotations | ||
| // +optional | ||
| CSVAnnnotations map[string]string `json:"annotations,omitempty" protobuf:"bytes,12,rep,name=annotations"` | ||
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| // Name must be unique within a namespace. Is required when creating resources, although | ||
| // some resources may allow a client to request the generation of an appropriate name | ||
| // automatically. Name is primarily intended for creation idempotence and configuration | ||
| // definition. | ||
| // Cannot be updated. | ||
| // More info: http://kubernetes.io/docs/user-guide/identifiers#names | ||
| // +optional | ||
| Name string `json:"name,omitempty" protobuf:"bytes,1,opt,name=name"` | ||
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| // Namespace defines the space within each name must be unique. An empty namespace is | ||
| // equivalent to the "default" namespace, but "default" is the canonical representation. | ||
| // Not all objects are required to be scoped to a namespace - the value of this field for | ||
| // those objects will be empty. | ||
| // | ||
| // Must be a DNS_LABEL. | ||
| // Cannot be updated. | ||
| // More info: http://kubernetes.io/docs/user-guide/namespaces | ||
| // +optional | ||
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| Namespace string `json:"namespace,omitempty" protobuf:"bytes,3,opt,name=namespace"` | ||
| } | ||
|
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| // ClusterServiceVersionSpec declarations tell OLM how to install an operator | ||
| // that can manage apps for a given version. | ||
| type ClusterServiceVersionSpec struct { | ||
| InstallStrategy olm.NamedInstallStrategy `json:"install"` | ||
| Version string `json:"version,omitempty"` | ||
| Maturity string `json:"maturity,omitempty"` | ||
| CustomResourceDefinitions olm.CustomResourceDefinitions `json:"customresourcedefinitions,omitempty"` | ||
| APIServiceDefinitions olm.APIServiceDefinitions `json:"apiservicedefinitions,omitempty"` | ||
| NativeAPIs []metav1.GroupVersionKind `json:"nativeAPIs,omitempty"` | ||
| MinKubeVersion string `json:"minKubeVersion,omitempty"` | ||
| DisplayName string `json:"displayName"` | ||
| Description string `json:"description,omitempty"` | ||
| Keywords []string `json:"keywords,omitempty"` | ||
| Maintainers []olm.Maintainer `json:"maintainers,omitempty"` | ||
| Provider olm.AppLink `json:"provider,omitempty"` | ||
| Links []olm.AppLink `json:"links,omitempty"` | ||
| Icon []olm.Icon `json:"icon,omitempty"` | ||
|
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| // InstallModes specify supported installation types | ||
| // +optional | ||
| InstallModes []olm.InstallMode `json:"installModes,omitempty"` | ||
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| // The name of a CSV this one replaces. Should match the `metadata.Name` field of the old CSV. | ||
| // +optional | ||
| Replaces string `json:"replaces,omitempty"` | ||
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| // Map of string keys and values that can be used to organize and categorize | ||
| // (scope and select) objects. | ||
| // +optional | ||
| Labels map[string]string `json:"labels,omitempty" protobuf:"bytes,11,rep,name=labels"` | ||
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| // Annotations is an unstructured key value map stored with a resource that may be | ||
| // set by external tools to store and retrieve arbitrary metadata. | ||
| // +optional | ||
| Annotations map[string]string `json:"annotations,omitempty" protobuf:"bytes,12,rep,name=annotations"` | ||
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| // Label selector for related resources. | ||
| // +optional | ||
| Selector *metav1.LabelSelector `json:"selector,omitempty" protobuf:"bytes,2,opt,name=selector"` | ||
| } | ||
|
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| //CSVManifest - struct that represents CSV manifest | ||
| type CSVManifest struct { | ||
| APIVersion string `json:"apiVersion,omitempty"` | ||
| Kind string `json:"kind,omitempty"` | ||
| CSVMetadat CSVMetadata `json:"metadata,omitempty"` | ||
| Spec ClusterServiceVersionSpec `json:"spec,omitempty"` | ||
| } | ||
|
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| //CustomResourceDefinition - custome resouirce definition | ||
| type CustomResourceDefinition struct { | ||
| metav1.TypeMeta `json:",inline"` | ||
| metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` | ||
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| // Spec describes how the user wants the resources to appear | ||
| Spec extv1beta1.CustomResourceDefinitionSpec `json:"spec" protobuf:"bytes,2,opt,name=spec"` | ||
| } | ||
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| func getCSVCRDVersion(csvFile, crdKind string) (string, error) { | ||
| var crdVersion string | ||
| var csvStruct CSVManifest | ||
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| yamlFile, err := ioutil.ReadFile(csvFile) | ||
| if err != nil { | ||
| return "", errors.New("Failed to read csv struct " + csvFile) | ||
| } | ||
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| err = yaml.Unmarshal(yamlFile, &csvStruct) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| crds := csvStruct.Spec.CustomResourceDefinitions.Owned | ||
| for _, crd := range crds { | ||
| if strings.Compare(crd.Kind, crdKind) == 0 { | ||
| return crd.Version, nil | ||
| } //find crd | ||
| } //for iterate over crds of csv | ||
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| return crdVersion, errors.New("No crd " + crdKind + " defined in csv " + csvFile) | ||
| } | ||
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| func getCRDVersion(crdFile string) (string, error) { | ||
| var crdStruct CustomResourceDefinition | ||
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| yamlFile, err := ioutil.ReadFile(crdFile) | ||
| if err != nil { | ||
| return "", errors.New("Failed to read crd manifest " + crdFile) | ||
| } | ||
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| err = yaml.Unmarshal(yamlFile, &crdStruct) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| return crdStruct.Spec.Version, nil | ||
| } | ||
|
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| const ( | ||
| help string = "h" | ||
| getCrdVersionCmd string = "get-crd-version" | ||
| getCsvVersionCmd string = "get-csv-crd-version" | ||
| getCsvVersionCmdHelp string = "olm-csv-tool --cmd get-csv-crd-version --csv-file --crd-kind" | ||
| getCrdVersionCmdHelp string = "olm-csv-tool --cmd get-crd-version --crd-file " | ||
| helpInfo string = "\nUsage:\n" + getCrdVersionCmdHelp + "\n" + getCsvVersionCmdHelp | ||
| ) | ||
|
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| func main() { | ||
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| cmd := flag.String("cmd", "h", "command") | ||
| csvFile := flag.String("csv-file", "", "csv manifest") | ||
| crdFile := flag.String("crd-file", "", "crd manifest") | ||
| crdKind := flag.String("crd-kind", "CDI", "name of crd") | ||
| flag.Parse() | ||
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| switch *cmd { | ||
| case getCrdVersionCmd: | ||
| if *crdFile == "" { | ||
| klog.Errorf(getCrdVersionCmdHelp) | ||
| klog.Error("No csv manifest provided on command %v", getCsvVersionCmd) | ||
| panic(nil) | ||
| } | ||
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| crdVersion, err := getCRDVersion(*crdFile) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| fmt.Println(crdVersion) | ||
|
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| break | ||
| case getCsvVersionCmd: | ||
| if *csvFile == "" { | ||
| klog.Errorf(getCsvVersionCmdHelp) | ||
| klog.Error("No csv manifest provided on command %v", getCsvVersionCmd) | ||
| panic(nil) | ||
| } | ||
| if *crdKind == "" { | ||
| klog.Errorf(getCsvVersionCmdHelp) | ||
| klog.Error("No crd-kind provided on command %v", getCsvVersionCmd) | ||
| panic(nil) | ||
| } | ||
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| crdVersion, err := getCSVCRDVersion(*csvFile, *crdKind) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| fmt.Println(crdVersion) | ||
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| break | ||
| case help: | ||
| fmt.Println(helpInfo) | ||
| break | ||
| default: | ||
| panic("Invalid command " + *cmd + helpInfo) | ||
| } | ||
| } |
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