mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-08-15 11:46:06 +00:00
123 lines
3.7 KiB
Go
123 lines
3.7 KiB
Go
/*
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Copyright The Velero Contributors.
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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 resourcepolicies
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import (
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"fmt"
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"io"
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"github.com/cockroachdb/errors"
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"go.yaml.in/yaml/v3"
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datamover "github.com/vmware-tanzu/velero/pkg/util/datamover"
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)
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const currentSupportDataVersion = "v1"
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type csiVolumeSource struct {
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Driver string `yaml:"driver,omitempty"`
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// CSI volume attributes
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VolumeAttributes map[string]string `yaml:"volumeAttributes,omitempty"`
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}
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type nFSVolumeSource struct {
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// Server is the hostname or IP address of the NFS server
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Server string `yaml:"server,omitempty"`
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// Path is the exported NFS share
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Path string `yaml:"path,omitempty"`
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}
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// volumeConditions defined the current format of conditions we parsed
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type volumeConditions struct {
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Capacity string `yaml:"capacity,omitempty"`
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StorageClass []string `yaml:"storageClass,omitempty"`
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NFS *nFSVolumeSource `yaml:"nfs,omitempty"`
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CSI *csiVolumeSource `yaml:"csi,omitempty"`
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VolumeTypes []SupportedVolume `yaml:"volumeTypes,omitempty"`
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PVCLabels map[string]string `yaml:"pvcLabels,omitempty"`
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PVCPhase []string `yaml:"pvcPhase,omitempty"`
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PVCVolumeMode string `yaml:"pvcVolumeMode,omitempty"`
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PVCAccessModes []string `yaml:"pvcAccessModes,omitempty"`
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}
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func (c *capacityCondition) validate() error {
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// [0, a]
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// [a, b]
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// [b, 0]
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// ==> low <= upper or upper is zero
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if (c.capacity.upper.Cmp(c.capacity.lower) >= 0) ||
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(!c.capacity.lower.IsZero() && c.capacity.upper.IsZero()) {
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return nil
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}
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return errors.Errorf("illegal values for capacity %v", c.capacity)
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}
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func (s *storageClassCondition) validate() error {
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// validate by yamlv3
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return nil
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}
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func (c *nfsCondition) validate() error {
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// validate by yamlv3
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return nil
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}
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func (c *csiCondition) validate() error {
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if c != nil && c.csi != nil && c.csi.Driver == "" && c.csi.VolumeAttributes != nil {
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return errors.New("csi driver should not be empty when filtering by volume attributes")
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}
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return nil
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}
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// decodeStruct restric validate the keys in decoded mappings to exist as fields in the struct being decoded into
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func decodeStruct(r io.Reader, s any) error {
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dec := yaml.NewDecoder(r)
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dec.KnownFields(true)
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return dec.Decode(s)
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}
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// validate check action format
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func (a *Action) validate() error {
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// validate Type
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valid := false
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if a.Type == Skip || a.Type == Snapshot || a.Type == FSBackup || a.Type == Custom {
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valid = true
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}
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if !valid {
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return fmt.Errorf("invalid action type %s", a.Type)
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}
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// validate parameters
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if raw, ok := a.Parameters[DataMoverParameter]; ok {
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// the dataMover parameter is only meaningful for the snapshot action
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if a.Type != Snapshot {
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return fmt.Errorf("parameter %q is only supported for the %q action, but the action type is %q",
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DataMoverParameter, Snapshot, a.Type)
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}
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dataMover, ok := raw.(string)
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if !ok {
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return fmt.Errorf("parameter %q must be a string, got %T", DataMoverParameter, raw)
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}
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if _, ok := validDataMovers[dataMover]; !ok {
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return fmt.Errorf("invalid %q value %q, valid values are %q, %q, %q",
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DataMoverParameter, dataMover, datamover.DataMoverTypeVelero, datamover.DataMoverTypeVeleroFs, datamover.DataMoverTypeVeleroBlock)
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}
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}
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return nil
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}
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