mirror of
https://github.com/puppetlabs/vmpooler.git
synced 2026-01-26 01:58:41 -05:00
f859826c65
This commit updates vmpooler to ensure clone errors, and other pool manager errors are raised to the parent method. Without this change vmpooler gets stuck after a connection fails during clone operations and will not attempt to clone again.
752 lines
25 KiB
Ruby
752 lines
25 KiB
Ruby
module Vmpooler
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class PoolManager
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def initialize(config, logger, redis, metrics)
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$config = config
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# Load logger library
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$logger = logger
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# metrics logging handle
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$metrics = metrics
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# Connect to Redis
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$redis = redis
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# vSphere object
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$vsphere = {}
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# Our thread-tracker object
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$threads = {}
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end
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# Check the state of a VM
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def check_pending_vm(vm, pool, timeout, vsphere)
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Thread.new do
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_check_pending_vm(vm, pool, timeout, vsphere)
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end
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end
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def open_socket(host, domain=nil, timeout=5, port=22, &block)
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Timeout.timeout(timeout) do
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target_host = host
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target_host = "#{host}.#{domain}" if domain
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sock = TCPSocket.new target_host, port
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begin
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yield sock if block_given?
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ensure
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sock.close
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end
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end
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end
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def _check_pending_vm(vm, pool, timeout, vsphere)
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host = vsphere.find_vm(vm)
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if ! host
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fail_pending_vm(vm, pool, timeout, false)
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return
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end
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open_socket vm
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move_pending_vm_to_ready(vm, pool, host)
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rescue
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fail_pending_vm(vm, pool, timeout)
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end
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def remove_nonexistent_vm(vm, pool)
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$redis.srem("vmpooler__pending__#{pool}", vm)
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$logger.log('d', "[!] [#{pool}] '#{vm}' no longer exists. Removing from pending.")
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end
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def fail_pending_vm(vm, pool, timeout, exists=true)
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clone_stamp = $redis.hget("vmpooler__vm__#{vm}", 'clone')
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return if ! clone_stamp
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time_since_clone = (Time.now - Time.parse(clone_stamp)) / 60
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if time_since_clone > timeout
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if exists
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$redis.smove('vmpooler__pending__' + pool, 'vmpooler__completed__' + pool, vm)
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$logger.log('d', "[!] [#{pool}] '#{vm}' marked as 'failed' after #{timeout} minutes")
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else
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remove_nonexistent_vm(vm, pool)
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end
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end
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rescue => err
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$logger.log('d', "Fail pending VM failed with an error: #{err}")
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end
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def move_pending_vm_to_ready(vm, pool, host)
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if (host.summary) &&
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(host.summary.guest) &&
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(host.summary.guest.hostName) &&
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(host.summary.guest.hostName == vm)
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begin
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Socket.getaddrinfo(vm, nil) # WTF?
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rescue
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end
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clone_time = $redis.hget('vmpooler__vm__' + vm, 'clone')
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finish = '%.2f' % (Time.now - Time.parse(clone_time)) if clone_time
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$redis.smove('vmpooler__pending__' + pool, 'vmpooler__ready__' + pool, vm)
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$redis.hset('vmpooler__boot__' + Date.today.to_s, pool + ':' + vm, finish)
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$logger.log('s', "[>] [#{pool}] '#{vm}' moved to 'ready' queue")
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end
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end
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def check_ready_vm(vm, pool, ttl, vsphere)
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Thread.new do
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if ttl > 0
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if (((Time.now - host.runtime.bootTime) / 60).to_s[/^\d+\.\d{1}/].to_f) > ttl
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$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
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$logger.log('d', "[!] [#{pool}] '#{vm}' reached end of TTL after #{ttl} minutes, removed from 'ready' queue")
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end
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end
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check_stamp = $redis.hget('vmpooler__vm__' + vm, 'check')
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if
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(!check_stamp) ||
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(((Time.now - Time.parse(check_stamp)) / 60) > $config[:config]['vm_checktime'])
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$redis.hset('vmpooler__vm__' + vm, 'check', Time.now)
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host = vsphere.find_vm(vm)
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if host
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if
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(host.runtime) &&
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(host.runtime.powerState) &&
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(host.runtime.powerState != 'poweredOn')
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$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
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$logger.log('d', "[!] [#{pool}] '#{vm}' appears to be powered off, removed from 'ready' queue")
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end
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if
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(host.summary.guest) &&
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(host.summary.guest.hostName) &&
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(host.summary.guest.hostName != vm)
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$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
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$logger.log('d', "[!] [#{pool}] '#{vm}' has mismatched hostname, removed from 'ready' queue")
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end
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else
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$redis.srem('vmpooler__ready__' + pool, vm)
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$logger.log('s', "[!] [#{pool}] '#{vm}' not found in vCenter inventory, removed from 'ready' queue")
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end
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begin
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open_socket vm
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rescue
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if $redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
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$logger.log('d', "[!] [#{pool}] '#{vm}' is unreachable, removed from 'ready' queue")
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else
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$logger.log('d', "[!] [#{pool}] '#{vm}' is unreachable, and failed to remove from 'ready' queue")
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end
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end
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end
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end
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end
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def check_running_vm(vm, pool, ttl, vsphere)
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Thread.new do
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_check_running_vm(vm, pool, ttl, vsphere)
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end
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end
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def _check_running_vm(vm, pool, ttl, vsphere)
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host = vsphere.find_vm(vm)
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if host
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queue_from, queue_to = 'running', 'completed'
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# Check that VM is within defined lifetime
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checkouttime = $redis.hget('vmpooler__active__' + pool, vm)
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if checkouttime
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running = (Time.now - Time.parse(checkouttime)) / 60 / 60
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if (ttl.to_i > 0) &&
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(running.to_i >= ttl.to_i)
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move_vm_queue(pool, vm, queue_from, queue_to, "reached end of TTL after #{ttl} hours")
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end
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end
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end
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end
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def move_vm_queue(pool, vm, queue_from, queue_to, msg)
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$redis.smove("vmpooler__#{queue_from}__#{pool}", "vmpooler__#{queue_to}__#{pool}", vm)
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$logger.log('d', "[!] [#{pool}] '#{vm}' #{msg}")
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end
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# Clone a VM
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def clone_vm(template, folder, datastore, target, vsphere)
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Thread.new do
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begin
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vm = {}
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if template =~ /\//
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templatefolders = template.split('/')
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vm['template'] = templatefolders.pop
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end
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if templatefolders
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vm[vm['template']] = vsphere.find_folder(templatefolders.join('/')).find(vm['template'])
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else
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fail 'Please provide a full path to the template'
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end
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if vm['template'].length == 0
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fail "Unable to find template '#{vm['template']}'!"
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end
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# Generate a randomized hostname
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o = [('a'..'z'), ('0'..'9')].map(&:to_a).flatten
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vm['hostname'] = $config[:config]['prefix'] + o[rand(25)] + (0...14).map { o[rand(o.length)] }.join
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# Add VM to Redis inventory ('pending' pool)
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$redis.sadd('vmpooler__pending__' + vm['template'], vm['hostname'])
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$redis.hset('vmpooler__vm__' + vm['hostname'], 'clone', Time.now)
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$redis.hset('vmpooler__vm__' + vm['hostname'], 'template', vm['template'])
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# Annotate with creation time, origin template, etc.
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# Add extraconfig options that can be queried by vmtools
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configSpec = RbVmomi::VIM.VirtualMachineConfigSpec(
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annotation: JSON.pretty_generate(
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name: vm['hostname'],
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created_by: $config[:vsphere]['username'],
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base_template: vm['template'],
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creation_timestamp: Time.now.utc
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),
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extraConfig: [
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{ key: 'guestinfo.hostname',
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value: vm['hostname']
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}
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]
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)
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# Choose a clone target
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if target
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$clone_target = vsphere.find_least_used_host(target)
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elsif $config[:config]['clone_target']
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$clone_target = vsphere.find_least_used_host($config[:config]['clone_target'])
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end
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# Put the VM in the specified folder and resource pool
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relocateSpec = RbVmomi::VIM.VirtualMachineRelocateSpec(
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datastore: vsphere.find_datastore(datastore),
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host: $clone_target,
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diskMoveType: :moveChildMostDiskBacking
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)
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# Create a clone spec
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spec = RbVmomi::VIM.VirtualMachineCloneSpec(
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location: relocateSpec,
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config: configSpec,
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powerOn: true,
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template: false
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)
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# Clone the VM
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$logger.log('d', "[ ] [#{vm['template']}] '#{vm['hostname']}' is being cloned from '#{vm['template']}'")
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begin
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start = Time.now
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vm[vm['template']].CloneVM_Task(
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folder: vsphere.find_folder(folder),
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name: vm['hostname'],
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spec: spec
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).wait_for_completion
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finish = '%.2f' % (Time.now - start)
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$redis.hset('vmpooler__clone__' + Date.today.to_s, vm['template'] + ':' + vm['hostname'], finish)
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$redis.hset('vmpooler__vm__' + vm['hostname'], 'clone_time', finish)
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$logger.log('s', "[+] [#{vm['template']}] '#{vm['hostname']}' cloned from '#{vm['template']}' in #{finish} seconds")
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rescue => err
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$logger.log('s', "[!] [#{vm['template']}] '#{vm['hostname']}' clone failed with an error: #{err}")
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$redis.srem('vmpooler__pending__' + vm['template'], vm['hostname'])
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raise
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end
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$redis.decr('vmpooler__tasks__clone')
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$metrics.timing("clone.#{vm['template']}", finish)
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rescue => err
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$logger.log('s', "[!] [#{vm['template']}] '#{vm['hostname']}' failed while preparing to clone with an error: #{err}")
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raise
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end
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end
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end
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# Destroy a VM
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def destroy_vm(vm, pool, vsphere)
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Thread.new do
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$redis.srem('vmpooler__completed__' + pool, vm)
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$redis.hdel('vmpooler__active__' + pool, vm)
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$redis.hset('vmpooler__vm__' + vm, 'destroy', Time.now)
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# Auto-expire metadata key
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$redis.expire('vmpooler__vm__' + vm, ($config[:redis]['data_ttl'].to_i * 60 * 60))
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host = vsphere.find_vm(vm)
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if host
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start = Time.now
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if
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(host.runtime) &&
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(host.runtime.powerState) &&
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(host.runtime.powerState == 'poweredOn')
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$logger.log('d', "[ ] [#{pool}] '#{vm}' is being shut down")
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host.PowerOffVM_Task.wait_for_completion
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end
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host.Destroy_Task.wait_for_completion
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finish = '%.2f' % (Time.now - start)
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$logger.log('s', "[-] [#{pool}] '#{vm}' destroyed in #{finish} seconds")
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$metrics.timing("destroy.#{pool}", finish)
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end
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end
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end
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def create_vm_disk(vm, disk_size, vsphere)
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Thread.new do
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_create_vm_disk(vm, disk_size, vsphere)
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end
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end
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def _create_vm_disk(vm, disk_size, vsphere)
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host = vsphere.find_vm(vm)
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if (host) && ((! disk_size.nil?) && (! disk_size.empty?) && (disk_size.to_i > 0))
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$logger.log('s', "[ ] [disk_manager] '#{vm}' is attaching a #{disk_size}gb disk")
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start = Time.now
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template = $redis.hget('vmpooler__vm__' + vm, 'template')
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datastore = nil
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$config[:pools].each do |pool|
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if pool['name'] == template
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datastore = pool['datastore']
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end
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end
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if ((! datastore.nil?) && (! datastore.empty?))
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vsphere.add_disk(host, disk_size, datastore)
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rdisks = $redis.hget('vmpooler__vm__' + vm, 'disk')
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disks = rdisks ? rdisks.split(':') : []
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disks.push("+#{disk_size}gb")
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$redis.hset('vmpooler__vm__' + vm, 'disk', disks.join(':'))
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finish = '%.2f' % (Time.now - start)
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$logger.log('s', "[+] [disk_manager] '#{vm}' attached #{disk_size}gb disk in #{finish} seconds")
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else
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$logger.log('s', "[+] [disk_manager] '#{vm}' failed to attach disk")
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end
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end
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end
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def create_vm_snapshot(vm, snapshot_name, vsphere)
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Thread.new do
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_create_vm_snapshot(vm, snapshot_name, vsphere)
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end
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end
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def _create_vm_snapshot(vm, snapshot_name, vsphere)
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host = vsphere.find_vm(vm)
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if (host) && ((! snapshot_name.nil?) && (! snapshot_name.empty?))
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$logger.log('s', "[ ] [snapshot_manager] '#{vm}' is being snapshotted")
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start = Time.now
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host.CreateSnapshot_Task(
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name: snapshot_name,
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description: 'vmpooler',
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memory: true,
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quiesce: true
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).wait_for_completion
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finish = '%.2f' % (Time.now - start)
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$redis.hset('vmpooler__vm__' + vm, 'snapshot:' + snapshot_name, Time.now.to_s)
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$logger.log('s', "[+] [snapshot_manager] '#{vm}' snapshot created in #{finish} seconds")
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end
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end
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def revert_vm_snapshot(vm, snapshot_name, vsphere)
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Thread.new do
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_revert_vm_snapshot(vm, snapshot_name, vsphere)
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end
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end
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def _revert_vm_snapshot(vm, snapshot_name, vsphere)
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host = vsphere.find_vm(vm)
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if host
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snapshot = vsphere.find_snapshot(host, snapshot_name)
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if snapshot
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$logger.log('s', "[ ] [snapshot_manager] '#{vm}' is being reverted to snapshot '#{snapshot_name}'")
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start = Time.now
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snapshot.RevertToSnapshot_Task.wait_for_completion
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finish = '%.2f' % (Time.now - start)
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$logger.log('s', "[<] [snapshot_manager] '#{vm}' reverted to snapshot in #{finish} seconds")
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end
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end
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end
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def check_disk_queue
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$logger.log('d', "[*] [disk_manager] starting worker thread")
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$vsphere['disk_manager'] ||= Vmpooler::VsphereHelper.new $config, $metrics
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$threads['disk_manager'] = Thread.new do
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loop do
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_check_disk_queue $vsphere['disk_manager']
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sleep(5)
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end
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end
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end
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def _check_disk_queue(vsphere)
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vm = $redis.spop('vmpooler__tasks__disk')
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unless vm.nil?
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begin
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vm_name, disk_size = vm.split(':')
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create_vm_disk(vm_name, disk_size, vsphere)
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rescue
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$logger.log('s', "[!] [disk_manager] disk creation appears to have failed")
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end
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end
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end
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def check_snapshot_queue
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$logger.log('d', "[*] [snapshot_manager] starting worker thread")
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$vsphere['snapshot_manager'] ||= Vmpooler::VsphereHelper.new $config, $metrics
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$threads['snapshot_manager'] = Thread.new do
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loop do
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_check_snapshot_queue $vsphere['snapshot_manager']
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sleep(5)
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end
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end
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end
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def _check_snapshot_queue(vsphere)
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vm = $redis.spop('vmpooler__tasks__snapshot')
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unless vm.nil?
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begin
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vm_name, snapshot_name = vm.split(':')
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create_vm_snapshot(vm_name, snapshot_name, vsphere)
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rescue
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$logger.log('s', "[!] [snapshot_manager] snapshot appears to have failed")
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end
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end
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vm = $redis.spop('vmpooler__tasks__snapshot-revert')
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unless vm.nil?
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begin
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vm_name, snapshot_name = vm.split(':')
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revert_vm_snapshot(vm_name, snapshot_name, vsphere)
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rescue
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$logger.log('s', "[!] [snapshot_manager] snapshot revert appears to have failed")
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end
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end
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end
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def migration_limit(migration_limit)
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# Returns migration_limit setting when enabled
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return false if migration_limit == 0 || ! migration_limit
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migration_limit if migration_limit >= 1
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end
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def migrate_vm(vm, pool, vsphere)
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Thread.new do
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_migrate_vm(vm, pool, vsphere)
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end
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end
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def _migrate_vm(vm, pool, vsphere)
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begin
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$redis.srem('vmpooler__migrating__' + pool, vm)
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vm_object = vsphere.find_vm(vm)
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parent_host, parent_host_name = get_vm_host_info(vm_object)
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migration_limit = migration_limit $config[:config]['migration_limit']
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migration_count = $redis.scard('vmpooler__migration')
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if ! migration_limit
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$logger.log('s', "[ ] [#{pool}] '#{vm}' is running on #{parent_host_name}")
|
|
return
|
|
else
|
|
if migration_count >= migration_limit
|
|
$logger.log('s', "[ ] [#{pool}] '#{vm}' is running on #{parent_host_name}. No migration will be evaluated since the migration_limit has been reached")
|
|
return
|
|
else
|
|
$redis.sadd('vmpooler__migration', vm)
|
|
host, host_name = vsphere.find_least_used_compatible_host(vm_object)
|
|
if host == parent_host
|
|
$logger.log('s', "[ ] [#{pool}] No migration required for '#{vm}' running on #{parent_host_name}")
|
|
else
|
|
finish = migrate_vm_and_record_timing(vm_object, vm, pool, host, parent_host_name, host_name, vsphere)
|
|
$logger.log('s', "[>] [#{pool}] '#{vm}' migrated from #{parent_host_name} to #{host_name} in #{finish} seconds")
|
|
end
|
|
remove_vmpooler_migration_vm(pool, vm)
|
|
end
|
|
end
|
|
rescue => err
|
|
$logger.log('s', "[x] [#{pool}] '#{vm}' migration failed with an error: #{err}")
|
|
remove_vmpooler_migration_vm(pool, vm)
|
|
end
|
|
end
|
|
|
|
def get_vm_host_info(vm_object)
|
|
parent_host = vm_object.summary.runtime.host
|
|
[parent_host, parent_host.name]
|
|
end
|
|
|
|
def remove_vmpooler_migration_vm(pool, vm)
|
|
begin
|
|
$redis.srem('vmpooler__migration', vm)
|
|
rescue => err
|
|
$logger.log('s', "[x] [#{pool}] '#{vm}' removal from vmpooler__migration failed with an error: #{err}")
|
|
end
|
|
end
|
|
|
|
def migrate_vm_and_record_timing(vm_object, vm_name, pool, host, source_host_name, dest_host_name, vsphere)
|
|
start = Time.now
|
|
vsphere.migrate_vm_host(vm_object, host)
|
|
finish = '%.2f' % (Time.now - start)
|
|
$metrics.timing("migrate.#{pool}", finish)
|
|
$metrics.increment("migrate_from.#{source_host_name}")
|
|
$metrics.increment("migrate_to.#{dest_host_name}")
|
|
checkout_to_migration = '%.2f' % (Time.now - Time.parse($redis.hget("vmpooler__vm__#{vm_name}", 'checkout')))
|
|
$redis.hset("vmpooler__vm__#{vm_name}", 'migration_time', finish)
|
|
$redis.hset("vmpooler__vm__#{vm_name}", 'checkout_to_migration', checkout_to_migration)
|
|
finish
|
|
end
|
|
|
|
def check_pool(pool)
|
|
$logger.log('d', "[*] [#{pool['name']}] starting worker thread")
|
|
|
|
$vsphere[pool['name']] ||= Vmpooler::VsphereHelper.new $config, $metrics
|
|
|
|
$threads[pool['name']] = Thread.new do
|
|
loop do
|
|
_check_pool(pool, $vsphere[pool['name']])
|
|
sleep(5)
|
|
end
|
|
end
|
|
end
|
|
|
|
def _check_pool(pool, vsphere)
|
|
# INVENTORY
|
|
inventory = {}
|
|
begin
|
|
base = vsphere.find_folder(pool['folder'])
|
|
|
|
base.childEntity.each do |vm|
|
|
if
|
|
(! $redis.sismember('vmpooler__running__' + pool['name'], vm['name'])) &&
|
|
(! $redis.sismember('vmpooler__ready__' + pool['name'], vm['name'])) &&
|
|
(! $redis.sismember('vmpooler__pending__' + pool['name'], vm['name'])) &&
|
|
(! $redis.sismember('vmpooler__completed__' + pool['name'], vm['name'])) &&
|
|
(! $redis.sismember('vmpooler__discovered__' + pool['name'], vm['name'])) &&
|
|
(! $redis.sismember('vmpooler__migrating__' + pool['name'], vm['name']))
|
|
|
|
$redis.sadd('vmpooler__discovered__' + pool['name'], vm['name'])
|
|
|
|
$logger.log('s', "[?] [#{pool['name']}] '#{vm['name']}' added to 'discovered' queue")
|
|
end
|
|
|
|
inventory[vm['name']] = 1
|
|
end
|
|
rescue => err
|
|
$logger.log('s', "[!] [#{pool['name']}] _check_pool failed with an error while inspecting inventory: #{err}")
|
|
end
|
|
|
|
# RUNNING
|
|
$redis.smembers("vmpooler__running__#{pool['name']}").each do |vm|
|
|
if inventory[vm]
|
|
begin
|
|
vm_lifetime = $redis.hget('vmpooler__vm__' + vm, 'lifetime') || $config[:config]['vm_lifetime'] || 12
|
|
check_running_vm(vm, pool['name'], vm_lifetime, vsphere)
|
|
rescue => err
|
|
$logger.log('d', "[!] [#{pool['name']}] _check_pool with an error while evaluating running VMs: #{err}")
|
|
end
|
|
end
|
|
end
|
|
|
|
# READY
|
|
$redis.smembers("vmpooler__ready__#{pool['name']}").each do |vm|
|
|
if inventory[vm]
|
|
begin
|
|
check_ready_vm(vm, pool['name'], pool['ready_ttl'] || 0, vsphere)
|
|
rescue => err
|
|
$logger.log('d', "[!] [#{pool['name']}] _check_pool failed with an error while evaluating ready VMs: #{err}")
|
|
end
|
|
end
|
|
end
|
|
|
|
# PENDING
|
|
$redis.smembers("vmpooler__pending__#{pool['name']}").each do |vm|
|
|
pool_timeout = pool['timeout'] || $config[:config]['timeout'] || 15
|
|
if inventory[vm]
|
|
begin
|
|
check_pending_vm(vm, pool['name'], pool_timeout, vsphere)
|
|
rescue => err
|
|
$logger.log('d', "[!] [#{pool['name']}] _check_pool failed with an error while evaluating pending VMs: #{err}")
|
|
end
|
|
else
|
|
fail_pending_vm(vm, pool['name'], pool_timeout, false)
|
|
end
|
|
end
|
|
|
|
# COMPLETED
|
|
$redis.smembers("vmpooler__completed__#{pool['name']}").each do |vm|
|
|
if inventory[vm]
|
|
begin
|
|
destroy_vm(vm, pool['name'], vsphere)
|
|
rescue => err
|
|
$logger.log('s', "[!] [#{pool['name']}] '#{vm}' destroy appears to have failed")
|
|
$redis.srem("vmpooler__completed__#{pool['name']}", vm)
|
|
$redis.hdel("vmpooler__active__#{pool['name']}", vm)
|
|
$redis.del("vmpooler__vm__#{vm}")
|
|
$logger.log('d', "[!] [#{pool['name']}] _check_pool failed with an error while evaluating completed VMs: #{err}")
|
|
end
|
|
else
|
|
$logger.log('s', "[!] [#{pool['name']}] '#{vm}' not found in inventory, removed from 'completed' queue")
|
|
$redis.srem("vmpooler__completed__#{pool['name']}", vm)
|
|
$redis.hdel("vmpooler__active__#{pool['name']}", vm)
|
|
$redis.del("vmpooler__vm__#{vm}")
|
|
end
|
|
end
|
|
|
|
# DISCOVERED
|
|
begin
|
|
$redis.smembers("vmpooler__discovered__#{pool['name']}").each do |vm|
|
|
%w(pending ready running completed).each do |queue|
|
|
if $redis.sismember("vmpooler__#{queue}__#{pool['name']}", vm)
|
|
$logger.log('d', "[!] [#{pool['name']}] '#{vm}' found in '#{queue}', removed from 'discovered' queue")
|
|
$redis.srem("vmpooler__discovered__#{pool['name']}", vm)
|
|
end
|
|
end
|
|
|
|
if $redis.sismember("vmpooler__discovered__#{pool['name']}", vm)
|
|
$redis.smove("vmpooler__discovered__#{pool['name']}", "vmpooler__completed__#{pool['name']}", vm)
|
|
end
|
|
end
|
|
rescue => err
|
|
$logger.log('d', "[!] [#{pool['name']}] _check_pool failed with an error while evaluating discovered VMs: #{err}")
|
|
end
|
|
|
|
# MIGRATIONS
|
|
$redis.smembers("vmpooler__migrating__#{pool['name']}").each do |vm|
|
|
if inventory[vm]
|
|
begin
|
|
migrate_vm(vm, pool['name'], vsphere)
|
|
rescue => err
|
|
$logger.log('s', "[x] [#{pool['name']}] '#{vm}' failed to migrate: #{err}")
|
|
end
|
|
end
|
|
end
|
|
|
|
# REPOPULATE
|
|
ready = $redis.scard("vmpooler__ready__#{pool['name']}")
|
|
total = $redis.scard("vmpooler__pending__#{pool['name']}") + ready
|
|
|
|
$metrics.gauge("ready.#{pool['name']}", $redis.scard("vmpooler__ready__#{pool['name']}"))
|
|
$metrics.gauge("running.#{pool['name']}", $redis.scard("vmpooler__running__#{pool['name']}"))
|
|
|
|
if $redis.get("vmpooler__empty__#{pool['name']}")
|
|
unless ready == 0
|
|
$redis.del("vmpooler__empty__#{pool['name']}")
|
|
end
|
|
else
|
|
if ready == 0
|
|
$redis.set("vmpooler__empty__#{pool['name']}", 'true')
|
|
$logger.log('s', "[!] [#{pool['name']}] is empty")
|
|
end
|
|
end
|
|
|
|
if total < pool['size']
|
|
(1..(pool['size'] - total)).each do |_i|
|
|
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
|
|
)
|
|
rescue => err
|
|
$logger.log('s', "[!] [#{pool['name']}] clone failed during check_pool with an error: #{err}")
|
|
$redis.decr('vmpooler__tasks__clone')
|
|
raise
|
|
end
|
|
end
|
|
end
|
|
end
|
|
rescue => err
|
|
$logger.log('d', "[!] [#{pool['name']}] _check_pool failed with an error: #{err}")
|
|
raise
|
|
end
|
|
|
|
def execute!
|
|
$logger.log('d', 'starting vmpooler')
|
|
|
|
# Clear out the tasks manager, as we don't know about any tasks at this point
|
|
$redis.set('vmpooler__tasks__clone', 0)
|
|
|
|
loop do
|
|
if ! $threads['disk_manager']
|
|
check_disk_queue
|
|
elsif ! $threads['disk_manager'].alive?
|
|
$logger.log('d', "[!] [disk_manager] worker thread died, restarting")
|
|
check_disk_queue
|
|
end
|
|
|
|
if ! $threads['snapshot_manager']
|
|
check_snapshot_queue
|
|
elsif ! $threads['snapshot_manager'].alive?
|
|
$logger.log('d', "[!] [snapshot_manager] worker thread died, restarting")
|
|
check_snapshot_queue
|
|
end
|
|
|
|
$config[:pools].each do |pool|
|
|
if ! $threads[pool['name']]
|
|
check_pool(pool)
|
|
elsif ! $threads[pool['name']].alive?
|
|
$logger.log('d', "[!] [#{pool['name']}] worker thread died, restarting")
|
|
check_pool(pool)
|
|
end
|
|
end
|
|
|
|
sleep(1)
|
|
end
|
|
end
|
|
end
|
|
end
|