143 lines
3.0 KiB
Go
143 lines
3.0 KiB
Go
/*
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Copyright 2016 The Kubernetes 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 tiller
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import (
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"fmt"
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"regexp"
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"k8s.io/helm/pkg/proto/hapi/release"
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"k8s.io/helm/pkg/proto/hapi/services"
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relutil "k8s.io/helm/pkg/releaseutil"
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)
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// ListReleases lists the releases found by the server.
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func (s *ReleaseServer) ListReleases(req *services.ListReleasesRequest, stream services.ReleaseService_ListReleasesServer) error {
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if len(req.StatusCodes) == 0 {
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req.StatusCodes = []release.Status_Code{release.Status_DEPLOYED}
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}
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//rels, err := s.env.Releases.ListDeployed()
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rels, err := s.env.Releases.ListFilterAll(func(r *release.Release) bool {
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for _, sc := range req.StatusCodes {
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if sc == r.Info.Status.Code {
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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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if err != nil {
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return err
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}
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if req.Namespace != "" {
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rels, err = filterByNamespace(req.Namespace, rels)
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if err != nil {
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return err
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}
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}
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if len(req.Filter) != 0 {
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rels, err = filterReleases(req.Filter, rels)
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if err != nil {
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return err
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}
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}
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total := int64(len(rels))
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switch req.SortBy {
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case services.ListSort_NAME:
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relutil.SortByName(rels)
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case services.ListSort_LAST_RELEASED:
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relutil.SortByDate(rels)
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}
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if req.SortOrder == services.ListSort_DESC {
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ll := len(rels)
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rr := make([]*release.Release, ll)
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for i, item := range rels {
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rr[ll-i-1] = item
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}
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rels = rr
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}
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l := int64(len(rels))
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if req.Offset != "" {
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i := -1
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for ii, cur := range rels {
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if cur.Name == req.Offset {
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i = ii
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}
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}
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if i == -1 {
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return fmt.Errorf("offset %q not found", req.Offset)
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}
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if len(rels) < i {
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return fmt.Errorf("no items after %q", req.Offset)
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}
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rels = rels[i:]
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l = int64(len(rels))
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}
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if req.Limit == 0 {
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req.Limit = ListDefaultLimit
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}
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next := ""
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if l > req.Limit {
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next = rels[req.Limit].Name
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rels = rels[0:req.Limit]
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l = int64(len(rels))
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}
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res := &services.ListReleasesResponse{
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Next: next,
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Count: l,
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Total: total,
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Releases: rels,
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}
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return stream.Send(res)
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}
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func filterByNamespace(namespace string, rels []*release.Release) ([]*release.Release, error) {
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matches := []*release.Release{}
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for _, r := range rels {
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if namespace == r.Namespace {
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matches = append(matches, r)
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}
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}
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return matches, nil
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}
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func filterReleases(filter string, rels []*release.Release) ([]*release.Release, error) {
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preg, err := regexp.Compile(filter)
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if err != nil {
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return rels, err
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}
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matches := []*release.Release{}
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for _, r := range rels {
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if preg.MatchString(r.Name) {
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matches = append(matches, r)
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}
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}
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return matches, nil
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}
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