github.com/vmware/govmomi@v0.37.1/govc/namespace/cluster/logs.go (about)

     1  /*
     2  Copyright (c) 2020 VMware, Inc. 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 cluster
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  	"io"
    23  	"mime"
    24  	"net/http"
    25  	"os"
    26  
    27  	"github.com/vmware/govmomi/govc/cli"
    28  	"github.com/vmware/govmomi/govc/flags"
    29  	"github.com/vmware/govmomi/vapi/namespace"
    30  )
    31  
    32  type logs struct {
    33  	*flags.ClusterFlag
    34  }
    35  
    36  func init() {
    37  	cli.Register("namespace.logs.download", &logs{})
    38  }
    39  
    40  func (cmd *logs) Register(ctx context.Context, f *flag.FlagSet) {
    41  	cmd.ClusterFlag, ctx = flags.NewClusterFlag(ctx)
    42  	cmd.ClusterFlag.Register(ctx, f)
    43  }
    44  
    45  func (cmd *logs) Usage() string {
    46  	return "[NAME]"
    47  }
    48  
    49  func (cmd *logs) Description() string {
    50  	return `Download namespace cluster support bundle.
    51  
    52  If NAME name is "-", bundle is written to stdout.
    53  
    54  See also: govc logs.download
    55  
    56  Examples:
    57    govc namespace.logs.download -cluster k8s
    58    govc namespace.logs.download -cluster k8s - | tar -xvf -
    59    govc namespace.logs.download -cluster k8s logs.tar`
    60  }
    61  
    62  func (cmd *logs) Run(ctx context.Context, f *flag.FlagSet) error {
    63  	c, err := cmd.RestClient()
    64  	if err != nil {
    65  		return err
    66  	}
    67  
    68  	cluster, err := cmd.Cluster()
    69  	if err != nil {
    70  		return err
    71  	}
    72  
    73  	id := cluster.Reference().Value
    74  
    75  	name := f.Arg(0)
    76  
    77  	m := namespace.NewManager(c)
    78  
    79  	bundle, err := m.CreateSupportBundle(ctx, id)
    80  	if err != nil {
    81  		return err
    82  	}
    83  
    84  	req, err := m.SupportBundleRequest(ctx, bundle)
    85  	if err != nil {
    86  		return err
    87  	}
    88  
    89  	if id := c.SessionID(); id != "" {
    90  		req.Header.Set("vmware-api-session-id", id)
    91  	}
    92  
    93  	return c.Client.Do(ctx, req, func(res *http.Response) error {
    94  		if name == "" {
    95  			d := res.Header.Get("Content-Disposition")
    96  			_, params, err := mime.ParseMediaType(d)
    97  			if err == nil {
    98  				name = params["filename"]
    99  			}
   100  		}
   101  
   102  		var w io.Writer
   103  
   104  		if name == "-" {
   105  			w = os.Stdout
   106  		} else {
   107  			f, err := os.Create(name)
   108  			if err != nil {
   109  				return err
   110  			}
   111  			defer f.Close()
   112  			w = f
   113  		}
   114  
   115  		_, err = io.Copy(w, res.Body)
   116  		return err
   117  	})
   118  }