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

     1  // Copyright 2018 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 azure
    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  	sshKey         string
    31  	ResourceGroup  string
    32  	StorageAccount string
    33  }
    34  
    35  func (ac *cluster) vmname() string {
    36  	b := make([]byte, 5)
    37  	rand.Read(b)
    38  	return fmt.Sprintf("%s-%x", ac.Name()[0:13], b)
    39  }
    40  
    41  func (ac *cluster) NewMachine(userdata *conf.UserData) (platform.Machine, error) {
    42  	conf, err := ac.RenderUserData(userdata, map[string]string{
    43  		"$private_ipv4": "${COREOS_AZURE_IPV4_DYNAMIC}",
    44  	})
    45  	if err != nil {
    46  		return nil, err
    47  	}
    48  
    49  	instance, err := ac.flight.api.CreateInstance(ac.vmname(), conf.String(), ac.sshKey, ac.ResourceGroup, ac.StorageAccount)
    50  	if err != nil {
    51  		return nil, err
    52  	}
    53  
    54  	mach := &machine{
    55  		cluster: ac,
    56  		mach:    instance,
    57  	}
    58  
    59  	mach.dir = filepath.Join(ac.RuntimeConf().OutputDir, mach.ID())
    60  	if err := os.Mkdir(mach.dir, 0777); err != nil {
    61  		mach.Destroy()
    62  		return nil, err
    63  	}
    64  
    65  	confPath := filepath.Join(mach.dir, "user-data")
    66  	if err := conf.WriteFile(confPath); err != nil {
    67  		mach.Destroy()
    68  		return nil, err
    69  	}
    70  
    71  	if mach.journal, err = platform.NewJournal(mach.dir); err != nil {
    72  		mach.Destroy()
    73  		return nil, err
    74  	}
    75  
    76  	if err := platform.StartMachine(mach, mach.journal); err != nil {
    77  		mach.Destroy()
    78  		return nil, err
    79  	}
    80  
    81  	ac.AddMach(mach)
    82  
    83  	return mach, nil
    84  }
    85  
    86  func (ac *cluster) Destroy() {
    87  	ac.BaseCluster.Destroy()
    88  	if e := ac.flight.api.TerminateResourceGroup(ac.ResourceGroup); e != nil {
    89  		plog.Errorf("Deleting resource group %v: %v", ac.ResourceGroup, e)
    90  	}
    91  	ac.flight.DelCluster(ac)
    92  }