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87 lines
2.5 KiB
87 lines
2.5 KiB
6 years ago
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/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 lifecycle
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import (
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"encoding/xml"
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"errors"
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)
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// Rule - a rule for lifecycle configuration.
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type Rule struct {
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XMLName xml.Name `xml:"Rule"`
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ID string `xml:"ID,omitempty"`
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Status string `xml:"Status"`
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Filter Filter `xml:"Filter"`
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Expiration Expiration `xml:"Expiration,omitempty"`
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Transition Transition `xml:"Transition,omitempty"`
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// FIXME: add a type to catch unsupported AbortIncompleteMultipartUpload AbortIncompleteMultipartUpload `xml:"AbortIncompleteMultipartUpload,omitempty"`
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NoncurrentVersionExpiration NoncurrentVersionExpiration `xml:"NoncurrentVersionExpiration,omitempty"`
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NoncurrentVersionTransition NoncurrentVersionTransition `xml:"NoncurrentVersionTransition,omitempty"`
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}
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var (
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errInvalidRuleID = errors.New("ID must be less than 255 characters")
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errEmptyRuleStatus = errors.New("Status should not be empty")
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errInvalidRuleStatus = errors.New("Status must be set to either Enabled or Disabled")
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errMissingExpirationAction = errors.New("No expiration action found")
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)
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// isIDValid - checks if ID is valid or not.
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func (r Rule) validateID() error {
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// cannot be longer than 255 characters
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if len(string(r.ID)) > 255 {
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return errInvalidRuleID
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}
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return nil
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}
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// isStatusValid - checks if status is valid or not.
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func (r Rule) validateStatus() error {
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// Status can't be empty
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if len(r.Status) == 0 {
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return errEmptyRuleStatus
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}
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// Status must be one of Enabled or Disabled
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if r.Status != "Enabled" && r.Status != "Disabled" {
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return errInvalidRuleStatus
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}
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return nil
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}
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func (r Rule) validateAction() error {
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if r.Expiration == (Expiration{}) {
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return errMissingExpirationAction
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}
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return nil
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}
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// Validate - validates the rule element
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func (r Rule) Validate() error {
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if err := r.validateID(); err != nil {
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return err
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}
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if err := r.validateStatus(); err != nil {
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return err
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}
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if err := r.validateAction(); err != nil {
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return err
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}
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return nil
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}
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