mirror of https://github.com/kubernetes/kops.git
131 lines
3.8 KiB
Go
131 lines
3.8 KiB
Go
/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package scaleway
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import (
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"errors"
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"fmt"
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"net/http"
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"os"
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"strings"
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"github.com/scaleway/scaleway-sdk-go/scw"
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k8serrors "k8s.io/apimachinery/pkg/util/errors"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/upup/pkg/fi"
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)
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// isHTTPCodeError returns true if err is an http error with code statusCode
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func isHTTPCodeError(err error, statusCode int) bool {
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if err == nil {
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return false
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}
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responseError := &scw.ResponseError{}
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if errors.As(err, &responseError) && responseError.StatusCode == statusCode {
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return true
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}
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return false
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}
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// is404Error returns true if err is an HTTP 404 error
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func is404Error(err error) bool {
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notFoundError := &scw.ResourceNotFoundError{}
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return isHTTPCodeError(err, http.StatusNotFound) || errors.As(err, ¬FoundError)
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}
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func ParseZoneFromClusterSpec(clusterSpec kops.ClusterSpec) (scw.Zone, error) {
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zone := ""
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for _, subnet := range clusterSpec.Networking.Subnets {
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if zone == "" {
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zone = subnet.Zone
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} else if zone != subnet.Zone {
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return "", fmt.Errorf("scaleway currently only supports clusters in the same zone")
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}
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}
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return scw.Zone(zone), nil
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}
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func ParseRegionFromZone(zone scw.Zone) (region scw.Region, err error) {
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region, err = scw.ParseRegion(strings.TrimRight(string(zone), "-123"))
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if err != nil {
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return "", fmt.Errorf("could not determine region from zone %s: %w", zone, err)
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}
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return region, nil
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}
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func getScalewayProfile() (*scw.Profile, error) {
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scwProfileName := os.Getenv("SCW_PROFILE")
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if scwProfileName == "" {
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return nil, nil
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}
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config, err := scw.LoadConfig()
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if err != nil {
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return nil, fmt.Errorf("loading Scaleway config file: %w", err)
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}
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profile, ok := config.Profiles[scwProfileName]
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if !ok {
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return nil, fmt.Errorf("could not find Scaleway profile %q", scwProfileName)
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}
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return profile, nil
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}
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func checkCredentials(accessKey, secretKey, projectID string) []error {
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errList := []error(nil)
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if accessKey == "" {
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errList = append(errList, fmt.Errorf("SCW_ACCESS_KEY has to be set"))
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}
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if secretKey == "" {
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errList = append(errList, fmt.Errorf("SCW_SECRET_KEY has to be set"))
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}
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if projectID == "" {
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errList = append(errList, fmt.Errorf("SCW_DEFAULT_PROJECT_ID has to be set"))
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}
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return errList
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}
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func CreateValidScalewayProfile() (*scw.Profile, error) {
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profile := &scw.Profile{
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AccessKey: fi.PtrTo(os.Getenv("SCW_ACCESS_KEY")),
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SecretKey: fi.PtrTo(os.Getenv("SCW_SECRET_KEY")),
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DefaultProjectID: fi.PtrTo(os.Getenv("SCW_DEFAULT_PROJECT_ID")),
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}
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// If SCW_PROFILE is set, we load the credentials from the profile rather than from the environment
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p, err := getScalewayProfile()
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if err != nil {
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return nil, err
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}
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if p != nil {
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profile.AccessKey = p.AccessKey
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profile.SecretKey = p.SecretKey
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profile.DefaultProjectID = p.DefaultProjectID
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}
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// We check that the profile has an access key, a secret key and a default project ID
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if errList := checkCredentials(fi.ValueOf(profile.AccessKey), fi.ValueOf(profile.SecretKey), fi.ValueOf(profile.DefaultProjectID)); errList != nil {
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errMsg := k8serrors.NewAggregate(errList).Error()
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if scwProfileName := os.Getenv("SCW_PROFILE"); scwProfileName != "" {
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errMsg += fmt.Sprintf(" in profile %q", scwProfileName)
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} else {
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errMsg += " in a Scaleway profile or as an environment variable"
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}
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return nil, fmt.Errorf(errMsg)
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}
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return profile, nil
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}
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