forked from rook/rook
Rakshith R
a3220d827d
This commit updates default cephcsi driver version to v3.10.0 and filesystem reconciler now creates csi subvolumegroup by default. Signed-off-by: Rakshith R <rar@redhat.com>
115 lines
2.8 KiB
Go
115 lines
2.8 KiB
Go
/*
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Copyright 2020 The Rook Authors. All rights reserved.
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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 csi
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import (
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"fmt"
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"regexp"
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"strconv"
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"github.com/pkg/errors"
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)
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var (
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//minimum supported version is 3.9.0
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minimum = CephCSIVersion{3, 9, 0}
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//supportedCSIVersions are versions that rook supports
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releasev310 = CephCSIVersion{3, 10, 0}
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supportedCSIVersions = []CephCSIVersion{
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minimum,
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releasev310,
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}
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// for parsing the output of `cephcsi`
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versionCSIPattern = regexp.MustCompile(`v(\d+)\.(\d+)\.(\d+)`)
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)
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// CephCSIVersion represents the Ceph CSI version format
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type CephCSIVersion struct {
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Major int
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Minor int
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Bugfix int
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}
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func (v *CephCSIVersion) String() string {
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return fmt.Sprintf("v%d.%d.%d",
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v.Major, v.Minor, v.Bugfix)
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}
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// Supported checks if the detected version is part of the known supported CSI versions
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func (v *CephCSIVersion) Supported() bool {
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if !v.isAtLeast(&minimum) {
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return false
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}
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// if AllowUnsupported is set also a csi-image greater than the supported ones are allowed
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if AllowUnsupported {
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return true
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}
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for _, sv := range supportedCSIVersions {
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if v.Major == sv.Major {
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if v.Minor == sv.Minor {
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if v.Bugfix >= sv.Bugfix {
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return true
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}
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}
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}
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}
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return false
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}
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func (v *CephCSIVersion) isAtLeast(version *CephCSIVersion) bool {
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if v.Major > version.Major {
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return true
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}
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if v.Major == version.Major && v.Minor >= version.Minor {
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if v.Minor > version.Minor {
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return true
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}
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if v.Bugfix >= version.Bugfix {
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return true
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}
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}
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return false
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}
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// extractCephCSIVersion extracts the major, minor and extra digit of a Ceph CSI release
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func extractCephCSIVersion(src string) (*CephCSIVersion, error) {
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m := versionCSIPattern.FindStringSubmatch(src)
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if m == nil || len(m) < 3 {
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return nil, errors.Errorf("failed to parse version from: %q", CSIParam.CSIPluginImage)
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}
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major, err := strconv.Atoi(m[1])
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if err != nil {
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return nil, errors.Wrapf(err, "failed to parse version major part: %q", m[0])
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}
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minor, err := strconv.Atoi(m[2])
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if err != nil {
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return nil, errors.Wrapf(err, "failed to parse version minor part: %q", m[1])
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}
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bugfix, err := strconv.Atoi(m[3])
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if err != nil {
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return nil, errors.Wrapf(err, "failed to parse version bugfix part: %q", m[2])
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}
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return &CephCSIVersion{major, minor, bugfix}, nil
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}
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