github.com/zoumo/helm@v2.5.0+incompatible/pkg/tiller/release_status.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors All rights reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package tiller
    18  
    19  import (
    20  	"errors"
    21  	"fmt"
    22  
    23  	ctx "golang.org/x/net/context"
    24  
    25  	"k8s.io/helm/pkg/proto/hapi/release"
    26  	"k8s.io/helm/pkg/proto/hapi/services"
    27  )
    28  
    29  // GetReleaseStatus gets the status information for a named release.
    30  func (s *ReleaseServer) GetReleaseStatus(c ctx.Context, req *services.GetReleaseStatusRequest) (*services.GetReleaseStatusResponse, error) {
    31  	if !ValidName.MatchString(req.Name) {
    32  		return nil, errMissingRelease
    33  	}
    34  
    35  	var rel *release.Release
    36  
    37  	if req.Version <= 0 {
    38  		var err error
    39  		rel, err = s.env.Releases.Last(req.Name)
    40  		if err != nil {
    41  			return nil, fmt.Errorf("getting deployed release %q: %s", req.Name, err)
    42  		}
    43  	} else {
    44  		var err error
    45  		if rel, err = s.env.Releases.Get(req.Name, req.Version); err != nil {
    46  			return nil, fmt.Errorf("getting release '%s' (v%d): %s", req.Name, req.Version, err)
    47  		}
    48  	}
    49  
    50  	if rel.Info == nil {
    51  		return nil, errors.New("release info is missing")
    52  	}
    53  	if rel.Chart == nil {
    54  		return nil, errors.New("release chart is missing")
    55  	}
    56  
    57  	sc := rel.Info.Status.Code
    58  	statusResp := &services.GetReleaseStatusResponse{
    59  		Name:      rel.Name,
    60  		Namespace: rel.Namespace,
    61  		Info:      rel.Info,
    62  	}
    63  
    64  	// Ok, we got the status of the release as we had jotted down, now we need to match the
    65  	// manifest we stashed away with reality from the cluster.
    66  	resp, err := s.ReleaseModule.Status(rel, req, s.env)
    67  	if sc == release.Status_DELETED || sc == release.Status_FAILED {
    68  		// Skip errors if this is already deleted or failed.
    69  		return statusResp, nil
    70  	} else if err != nil {
    71  		s.Log("warning: Get for %s failed: %v", rel.Name, err)
    72  		return nil, err
    73  	}
    74  	rel.Info.Status.Resources = resp
    75  	return statusResp, nil
    76  }