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https://github.com/ceph/ceph-csi.git
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9e84583063
added isAlreadyExistsCLIError to check for known error.
if error is already exists we are considering it
as a success.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit dd9fabf747)
114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
/*
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Copyright 2020 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 e2e
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import (
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"strings"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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utilnet "k8s.io/apimachinery/pkg/util/net"
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)
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func isRetryableAPIError(err error) bool {
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// These errors may indicate a transient error that we can retry in tests.
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if apierrors.IsInternalError(err) || apierrors.IsTimeout(err) || apierrors.IsServerTimeout(err) ||
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apierrors.IsTooManyRequests(err) || utilnet.IsProbableEOF(err) || utilnet.IsConnectionReset(err) ||
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utilnet.IsConnectionRefused(err) {
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return true
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}
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// If the error sends the Retry-After header, we respect it as an explicit confirmation we should retry.
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if _, shouldRetry := apierrors.SuggestsClientDelay(err); shouldRetry {
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return true
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}
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// "etcdserver: request timed out" does not seem to match the timeout errors above
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if strings.Contains(err.Error(), "etcdserver: request timed out") {
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return true
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}
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return false
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}
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//nolint:lll // sample output cannot be split into multiple lines.
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/*
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getStdErr will extract the stderror and returns the actual error message
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Sample kubectl output:
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error running /usr/local/bin/kubectl --server=https://192.168.39.67:8443 --kubeconfig=***** --namespace=default create -f -:
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Command stdout:
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stderr:
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Error from server (AlreadyExists): error when creating "STDIN": services "csi-rbdplugin-provisioner" already exists
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Error from server (AlreadyExists): error when creating "STDIN": deployments.apps "csi-rbdplugin-provisioner" already exists
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error:
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exit status 1
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Sample message returned from this function:
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Error from server (AlreadyExists): error when creating "STDIN": services "csi-rbdplugin-provisioner" already exists
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Error from server (AlreadyExists): error when creating "STDIN": deployments.apps "csi-rbdplugin-provisioner" already exists.
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*/
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func getStdErr(errString string) string {
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stdErrStr := "stderr:\n"
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errStr := "error:\n"
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stdErrPosition := strings.Index(errString, stdErrStr)
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if stdErrPosition == -1 {
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return ""
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}
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errPosition := strings.Index(errString, errStr)
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if errPosition == -1 {
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return ""
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}
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stdErrPositionLength := stdErrPosition + len(stdErrStr)
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if stdErrPositionLength >= errPosition {
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return ""
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}
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return errString[stdErrPosition+len(stdErrStr) : errPosition]
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}
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// isAlreadyExistsCLIError checks for already exists error from kubectl CLI.
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func isAlreadyExistsCLIError(err error) bool {
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if err == nil {
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return false
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}
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// if multiple resources already exists. each error is separated by newline
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stdErr := getStdErr(err.Error())
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if stdErr == "" {
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return false
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}
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stdErrs := strings.Split(stdErr, "\n")
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for _, s := range stdErrs {
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// If the string is just a new line continue
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if strings.TrimSuffix(s, "\n") == "" {
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continue
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}
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// Resource already exists error message
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if !strings.Contains(s, "Error from server (AlreadyExists)") {
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return false
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}
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}
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return true
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}
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