Merge pull request #189 from glennsarti/ticket/maint/rename-moves-and-clonevm

(POOLER-70) Refactor clone_vm to take pool configuration object
This commit is contained in:
Morgan Rhodes 2017-03-02 11:39:29 -08:00 committed by GitHub
commit 850919f5db
2 changed files with 175 additions and 137 deletions

View file

@ -189,105 +189,113 @@ module Vmpooler
end
# Clone a VM
def clone_vm(template, folder, datastore, target, vsphere)
def clone_vm(pool, vsphere)
Thread.new do
begin
vm = {}
if template =~ /\//
templatefolders = template.split('/')
vm['template'] = templatefolders.pop
end
if templatefolders
vm[vm['template']] = vsphere.find_folder(templatefolders.join('/')).find(vm['template'])
else
fail 'Please provide a full path to the template'
end
if vm['template'].length == 0
fail "Unable to find template '#{vm['template']}'!"
end
# Generate a randomized hostname
o = [('a'..'z'), ('0'..'9')].map(&:to_a).flatten
vm['hostname'] = $config[:config]['prefix'] + o[rand(25)] + (0...14).map { o[rand(o.length)] }.join
# Add VM to Redis inventory ('pending' pool)
$redis.sadd('vmpooler__pending__' + vm['template'], vm['hostname'])
$redis.hset('vmpooler__vm__' + vm['hostname'], 'clone', Time.now)
$redis.hset('vmpooler__vm__' + vm['hostname'], 'template', vm['template'])
# Annotate with creation time, origin template, etc.
# Add extraconfig options that can be queried by vmtools
configSpec = RbVmomi::VIM.VirtualMachineConfigSpec(
annotation: JSON.pretty_generate(
name: vm['hostname'],
created_by: $config[:vsphere]['username'],
base_template: vm['template'],
creation_timestamp: Time.now.utc
),
extraConfig: [
{ key: 'guestinfo.hostname',
value: vm['hostname']
}
]
)
# Choose a clone target
if target
$clone_target = vsphere.find_least_used_host(target)
elsif $config[:config]['clone_target']
$clone_target = vsphere.find_least_used_host($config[:config]['clone_target'])
end
# Put the VM in the specified folder and resource pool
relocateSpec = RbVmomi::VIM.VirtualMachineRelocateSpec(
datastore: vsphere.find_datastore(datastore),
host: $clone_target,
diskMoveType: :moveChildMostDiskBacking
)
# Create a clone spec
spec = RbVmomi::VIM.VirtualMachineCloneSpec(
location: relocateSpec,
config: configSpec,
powerOn: true,
template: false
)
# Clone the VM
$logger.log('d', "[ ] [#{vm['template']}] '#{vm['hostname']}' is being cloned from '#{vm['template']}'")
begin
start = Time.now
vm[vm['template']].CloneVM_Task(
folder: vsphere.find_folder(folder),
name: vm['hostname'],
spec: spec
).wait_for_completion
finish = '%.2f' % (Time.now - start)
$redis.hset('vmpooler__clone__' + Date.today.to_s, vm['template'] + ':' + vm['hostname'], finish)
$redis.hset('vmpooler__vm__' + vm['hostname'], 'clone_time', finish)
$logger.log('s', "[+] [#{vm['template']}] '#{vm['hostname']}' cloned from '#{vm['template']}' in #{finish} seconds")
rescue => err
$logger.log('s', "[!] [#{vm['template']}] '#{vm['hostname']}' clone failed with an error: #{err}")
$redis.srem('vmpooler__pending__' + vm['template'], vm['hostname'])
raise
end
$redis.decr('vmpooler__tasks__clone')
$metrics.timing("clone.#{vm['template']}", finish)
_clone_vm(pool, vsphere)
rescue => err
$logger.log('s', "[!] [#{vm['template']}] '#{vm['hostname']}' failed while preparing to clone with an error: #{err}")
$logger.log('s', "[!] [#{pool['name']}] failed while cloning VM with an error: #{err}")
raise
end
end
end
def _clone_vm(pool, vsphere)
template = pool['template']
folder = pool['folder']
datastore = pool['datastore']
target = pool['clone_target']
vm = {}
if template =~ /\//
templatefolders = template.split('/')
vm['template'] = templatefolders.pop
end
if templatefolders
vm[vm['template']] = vsphere.find_folder(templatefolders.join('/')).find(vm['template'])
else
fail 'Please provide a full path to the template'
end
if vm['template'].length == 0
fail "Unable to find template '#{vm['template']}'!"
end
# Generate a randomized hostname
o = [('a'..'z'), ('0'..'9')].map(&:to_a).flatten
vm['hostname'] = $config[:config]['prefix'] + o[rand(25)] + (0...14).map { o[rand(o.length)] }.join
# Add VM to Redis inventory ('pending' pool)
$redis.sadd('vmpooler__pending__' + vm['template'], vm['hostname'])
$redis.hset('vmpooler__vm__' + vm['hostname'], 'clone', Time.now)
$redis.hset('vmpooler__vm__' + vm['hostname'], 'template', vm['template'])
# Annotate with creation time, origin template, etc.
# Add extraconfig options that can be queried by vmtools
configSpec = RbVmomi::VIM.VirtualMachineConfigSpec(
annotation: JSON.pretty_generate(
name: vm['hostname'],
created_by: $config[:vsphere]['username'],
base_template: vm['template'],
creation_timestamp: Time.now.utc
),
extraConfig: [
{ key: 'guestinfo.hostname',
value: vm['hostname']
}
]
)
# Choose a clone target
if target
$clone_target = vsphere.find_least_used_host(target)
elsif $config[:config]['clone_target']
$clone_target = vsphere.find_least_used_host($config[:config]['clone_target'])
end
# Put the VM in the specified folder and resource pool
relocateSpec = RbVmomi::VIM.VirtualMachineRelocateSpec(
datastore: vsphere.find_datastore(datastore),
host: $clone_target,
diskMoveType: :moveChildMostDiskBacking
)
# Create a clone spec
spec = RbVmomi::VIM.VirtualMachineCloneSpec(
location: relocateSpec,
config: configSpec,
powerOn: true,
template: false
)
# Clone the VM
$logger.log('d', "[ ] [#{vm['template']}] '#{vm['hostname']}' is being cloned from '#{vm['template']}'")
begin
start = Time.now
vm[vm['template']].CloneVM_Task(
folder: vsphere.find_folder(folder),
name: vm['hostname'],
spec: spec
).wait_for_completion
finish = '%.2f' % (Time.now - start)
$redis.hset('vmpooler__clone__' + Date.today.to_s, vm['template'] + ':' + vm['hostname'], finish)
$redis.hset('vmpooler__vm__' + vm['hostname'], 'clone_time', finish)
$logger.log('s', "[+] [#{vm['template']}] '#{vm['hostname']}' cloned from '#{vm['template']}' in #{finish} seconds")
rescue => err
$logger.log('s', "[!] [#{vm['template']}] '#{vm['hostname']}' clone failed with an error: #{err}")
$redis.srem('vmpooler__pending__' + vm['template'], vm['hostname'])
raise
end
$redis.decr('vmpooler__tasks__clone')
$metrics.timing("clone.#{vm['template']}", finish)
end
# Destroy a VM
def destroy_vm(vm, pool, vsphere)
Thread.new do
@ -714,14 +722,7 @@ module Vmpooler
if $redis.get('vmpooler__tasks__clone').to_i < $config[:config]['task_limit'].to_i
begin
$redis.incr('vmpooler__tasks__clone')
clone_vm(
pool['template'],
pool['folder'],
pool['datastore'],
pool['clone_target'],
vsphere
)
clone_vm(pool,vsphere)
rescue => err
$logger.log('s', "[!] [#{pool['name']}] clone failed during check_pool with an error: #{err}")
$redis.decr('vmpooler__tasks__clone')