github.com/darkowlzz/helm@v2.5.1-0.20171213183701-6707fe0468d4+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 err := validateReleaseName(req.Name); err != nil {
    32  		s.Log("getStatus: Release name is invalid: %s", req.Name)
    33  		return nil, err
    34  	}
    35  
    36  	var rel *release.Release
    37  
    38  	if req.Version <= 0 {
    39  		var err error
    40  		rel, err = s.env.Releases.Last(req.Name)
    41  		if err != nil {
    42  			return nil, fmt.Errorf("getting deployed release %q: %s", req.Name, err)
    43  		}
    44  	} else {
    45  		var err error
    46  		if rel, err = s.env.Releases.Get(req.Name, req.Version); err != nil {
    47  			return nil, fmt.Errorf("getting release '%s' (v%d): %s", req.Name, req.Version, err)
    48  		}
    49  	}
    50  
    51  	if rel.Info == nil {
    52  		return nil, errors.New("release info is missing")
    53  	}
    54  	if rel.Chart == nil {
    55  		return nil, errors.New("release chart is missing")
    56  	}
    57  
    58  	sc := rel.Info.Status.Code
    59  	statusResp := &services.GetReleaseStatusResponse{
    60  		Name:      rel.Name,
    61  		Namespace: rel.Namespace,
    62  		Info:      rel.Info,
    63  	}
    64  
    65  	// Ok, we got the status of the release as we had jotted down, now we need to match the
    66  	// manifest we stashed away with reality from the cluster.
    67  	resp, err := s.ReleaseModule.Status(rel, req, s.env)
    68  	if sc == release.Status_DELETED || sc == release.Status_FAILED {
    69  		// Skip errors if this is already deleted or failed.
    70  		return statusResp, nil
    71  	} else if err != nil {
    72  		s.Log("warning: Get for %s failed: %v", rel.Name, err)
    73  		return nil, err
    74  	}
    75  	rel.Info.Status.Resources = resp
    76  	return statusResp, nil
    77  }