github.com/coreos/mantle@v0.13.0/platform/machine/esx/cluster.go (about)

     1  // Copyright 2016 CoreOS, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package esx
    16  
    17  import (
    18  	"fmt"
    19  	"math/rand"
    20  	"os"
    21  	"path/filepath"
    22  
    23  	"github.com/coreos/mantle/platform"
    24  	"github.com/coreos/mantle/platform/conf"
    25  )
    26  
    27  type cluster struct {
    28  	*platform.BaseCluster
    29  	flight *flight
    30  }
    31  
    32  func (ec *cluster) vmname() string {
    33  	b := make([]byte, 5)
    34  	rand.Read(b)
    35  	return fmt.Sprintf("%s-%x", ec.Name(), b)
    36  }
    37  
    38  func (ec *cluster) NewMachine(userdata *conf.UserData) (platform.Machine, error) {
    39  	conf, err := ec.RenderUserData(userdata, map[string]string{
    40  		"$public_ipv4":  "${COREOS_ESX_IPV4_PUBLIC_0}",
    41  		"$private_ipv4": "${COREOS_ESX_IPV4_PRIVATE_0}",
    42  	})
    43  	if err != nil {
    44  		return nil, err
    45  	}
    46  
    47  	conf.AddSystemdUnit("coreos-metadata.service", `[Unit]
    48  Description=VMware metadata agent
    49  
    50  [Service]
    51  Type=oneshot
    52  Environment=OUTPUT=/run/metadata/coreos
    53  ExecStart=/usr/bin/mkdir --parent /run/metadata
    54  ExecStart=/usr/bin/bash -c 'echo "COREOS_ESX_IPV4_PRIVATE_0=$(ip addr show ens192 | grep -Po "inet \K[\d.]+")\nCOREOS_ESX_IPV4_PUBLIC_0=$(ip addr show ens192 | grep -Po "inet \K[\d.]+")" > ${OUTPUT}'`, false)
    55  
    56  	instance, err := ec.flight.api.CreateDevice(ec.vmname(), conf)
    57  	if err != nil {
    58  		return nil, err
    59  	}
    60  
    61  	mach := &machine{
    62  		cluster: ec,
    63  		mach:    instance,
    64  	}
    65  
    66  	mach.dir = filepath.Join(ec.RuntimeConf().OutputDir, mach.ID())
    67  	if err := os.Mkdir(mach.dir, 0777); err != nil {
    68  		mach.Destroy()
    69  		return nil, err
    70  	}
    71  
    72  	confPath := filepath.Join(mach.dir, "user-data")
    73  	if err := conf.WriteFile(confPath); err != nil {
    74  		mach.Destroy()
    75  		return nil, err
    76  	}
    77  
    78  	if mach.journal, err = platform.NewJournal(mach.dir); err != nil {
    79  		mach.Destroy()
    80  		return nil, err
    81  	}
    82  
    83  	if err := platform.StartMachine(mach, mach.journal); err != nil {
    84  		mach.Destroy()
    85  		return nil, err
    86  	}
    87  
    88  	ec.AddMach(mach)
    89  
    90  	return mach, nil
    91  }
    92  
    93  func (ec *cluster) Destroy() {
    94  	ec.BaseCluster.Destroy()
    95  	ec.flight.DelCluster(ec)
    96  }