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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| /* | ||
| Copyright 2023 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 openstack | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "github.com/gophercloud/gophercloud" | ||
| ) | ||
|
|
||
| // type linkResp struct { | ||
| // Href string `json:"href"` | ||
| // Rel string `json:"rel"` | ||
| // } | ||
|
|
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| // type valueResp struct { | ||
| // ID string `json:"id"` | ||
| // Status string `json:"status"` | ||
| // Version string `json:"version"` | ||
| // MinVersion string `json:"min_version"` | ||
| // Links []linkResp `json:"links"` | ||
| // } | ||
|
|
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| // type response struct { | ||
| // Version valueResp `json:"version"` | ||
| // } | ||
|
|
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| // ChooseVersion queries the base endpoint of an API to choose the most recent non-experimental alternative from a service's | ||
| // published versions. | ||
| // It returns the highest-Priority Version among the alternatives that are provided. | ||
| // func ChooseVersion(client *gophercloud.ServiceClient, recognized []*utils.Version) (*utils.Version, error) { | ||
| // log := ctrl.LoggerFrom(context.Background()) | ||
| // log.Info("Choosing among versions", "num recognized", len(recognized)) | ||
|
|
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| // // If a full endpoint is specified, check version suffixes for a match first. | ||
| // for _, v := range recognized { | ||
| // log.Info("Recognized version", "ID", v.ID) | ||
| // if strings.HasSuffix(client.Endpoint, v.Suffix) { | ||
| // return v, nil | ||
| // } | ||
| // } | ||
|
|
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| // var resp response | ||
| // log.Info("Getting available versions", "endpoint", client.Endpoint) | ||
| // _, err := client.Request("GET", client.Endpoint, &gophercloud.RequestOpts{ | ||
| // JSONResponse: &resp, | ||
| // OkCodes: []int{200, 300}, | ||
| // }) | ||
|
|
||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
|
|
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| // log.Info("Found available versions", "versions", resp.Version) | ||
|
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| // var minVersion, maxVersion int | ||
|
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| // // Parse the min and max versions. We deal only with the decimal part, so 2.53 -> 53. | ||
| // minVersion, err = parseMicroversion(resp.Version.MinVersion) | ||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
| // maxVersion, err = parseMicroversion(resp.Version.Version) | ||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
|
|
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| // // TODO: Sort by priority so we can return at first match | ||
| // for _, v := range recognized { | ||
| // version, err := parseMicroversion(v.ID) | ||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
|
|
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| // // Acceptable version | ||
| // if (version <= maxVersion) && (version >= minVersion) { | ||
| // return v, nil | ||
| // } | ||
| // } | ||
|
|
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| // return nil, fmt.Errorf("no supported version available from endpoint %s", client.Endpoint) | ||
| // } | ||
|
|
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| // GetSupportedMicroversions returns the minimum and maximum microversion that is supported by the ServiceClient Endpoint. | ||
| func GetSupportedMicroversions(client gophercloud.ServiceClient) (string, string, error) { | ||
| type valueResp struct { | ||
| ID string `json:"id"` | ||
| Status string `json:"status"` | ||
| Version string `json:"version"` | ||
| MinVersion string `json:"min_version"` | ||
| } | ||
|
|
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| type response struct { | ||
| Version valueResp `json:"version"` | ||
| } | ||
| var resp response | ||
| _, err := client.Request("GET", client.Endpoint, &gophercloud.RequestOpts{ | ||
| JSONResponse: &resp, | ||
| OkCodes: []int{200, 300}, | ||
| }) | ||
| if err != nil { | ||
| return "", "", err | ||
| } | ||
|
|
||
| return resp.Version.MinVersion, resp.Version.Version, nil | ||
| } | ||
|
|
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| // MicroversionSupported checks if a microversion falls in the supported interval. | ||
| // It returns true if the version is within the interval and false otherwise. | ||
| func MicroversionSupported(version string, minVersion string, maxVersion string) (bool, error) { | ||
| // Parse the version X.Y into X and Y integers that are easier to compare. | ||
| vMajor, v, err := parseMicroversion(version) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| minMajor, min, err := parseMicroversion(minVersion) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| maxMajor, max, err := parseMicroversion(maxVersion) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| // Check that the major version number is supported. | ||
| if (vMajor < minMajor) || (vMajor > maxMajor) { | ||
| return false, err | ||
| } | ||
|
|
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| // Check that the minor version number is supported | ||
| if (v <= max) && (v >= min) { | ||
| return true, nil | ||
| } | ||
|
|
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| return false, nil | ||
| } | ||
|
|
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| // parseMicroversion parses the version X.Y into separate integers X and Y. | ||
| // For example, "2.53" becomes 2 and 53. | ||
| func parseMicroversion(version string) (int, int, error) { | ||
| parts := strings.Split(version, ".") | ||
| if len(parts) != 2 { | ||
| return 0, 0, fmt.Errorf("invalid microversion format: %q", version) | ||
| } | ||
| major, err := strconv.Atoi(parts[0]) | ||
| if err != nil { | ||
| return 0, 0, err | ||
| } | ||
| minor, err := strconv.Atoi(parts[1]) | ||
| if err != nil { | ||
| return 0, 0, err | ||
| } | ||
| return major, minor, nil | ||
| } |
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