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util: add helper function to strip kube parameters
added helper function to strip the kubernetes specific parameters from the volumeContext as volumeContext is storaged in the PV volumeAttributes Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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39
internal/util/k8s/parameters.go
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39
internal/util/k8s/parameters.go
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/*
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Copyright 2022 The Ceph-CSI 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 k8s
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import (
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"strings"
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)
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// CSI Parameters prefixed with csiParameterPrefix are passed through
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// to the driver on CreateVolumeRequest/CreateSnapshotRequest calls.
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const (
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csiParameterPrefix = "csi.storage.k8s.io/"
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)
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// RemoveCSIPrefixedParameters removes parameters prefixed with csiParameterPrefix.
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func RemoveCSIPrefixedParameters(param map[string]string) map[string]string {
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newParam := map[string]string{}
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for k, v := range param {
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if !strings.HasPrefix(k, csiParameterPrefix) {
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// add the parameter to the new map if its not having the prefix
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newParam[k] = v
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}
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}
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return newParam
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}
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62
internal/util/k8s/parameters_test.go
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62
internal/util/k8s/parameters_test.go
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/*
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Copyright 2022 The Ceph-CSI 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 k8s
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import (
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"reflect"
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"testing"
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)
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func TestRemoveCSIPrefixedParameters(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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param map[string]string
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want map[string]string
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}{
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{
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name: "without csi.storage.k8s.io prefix",
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param: map[string]string{
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"foo": "bar",
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},
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want: map[string]string{
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"foo": "bar",
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},
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},
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{
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name: "with csi.storage.k8s.io prefix",
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param: map[string]string{
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"foo": "bar",
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"csi.storage.k8s.io/pvc/name": "foo",
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"csi.storage.k8s.io/pvc/namespace": "bar",
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"csi.storage.k8s.io/pv/name": "baz",
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},
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want: map[string]string{
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"foo": "bar",
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},
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},
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}
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for _, tt := range tests {
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ts := tt
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t.Run(ts.name, func(t *testing.T) {
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t.Parallel()
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got := RemoveCSIPrefixedParameters(ts.param)
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if !reflect.DeepEqual(got, ts.want) {
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t.Errorf("RemoveCSIPrefixedParameters() = %v, want %v", got, ts.want)
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}
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})
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}
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}
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