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(maint) Remove Some Thread.new Calls

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Remove the creation of threads when mostly interacting with redis. This
reduces the number of threads created during a spiking activity.

As a side effect, it is possible that a pool can take a long time
checking the port availability of new hosts. This timeout will be made
configurable in a future change.
This commit is contained in:
Colin 2015-12-14 15:44:39 -08:00
parent 1a6cd99ed2
commit de8af1cd71
2 changed files with 37 additions and 54 deletions
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77
lib/vmpooler/pool_manager.rb
View file

@ -22,12 +22,6 @@ module Vmpooler
# Check the state of a VM
def check_pending_vm(vm, pool, timeout)
Thread.new do
_check_pending_vm(vm, pool, timeout)
end
end
def _check_pending_vm(vm, pool, timeout)
host = $vsphere[pool].find_vm(vm)
if host
@ -78,72 +72,61 @@ module Vmpooler
end
def check_ready_vm(vm, pool, ttl)
Thread.new do
if ttl > 0
if (((Time.now - host.runtime.bootTime) / 60).to_s[/^\d+\.\d{1}/].to_f) > ttl
$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
if ttl > 0
if (((Time.now - host.runtime.bootTime) / 60).to_s[/^\d+\.\d{1}/].to_f) > ttl
$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
$logger.log('d', "[!] [#{pool}] '#{vm}' reached end of TTL after #{ttl} minutes, removed from 'ready' queue")
end
$logger.log('d', "[!] [#{pool}] '#{vm}' reached end of TTL after #{ttl} minutes, removed from 'ready' queue")
end
end
check_stamp = $redis.hget('vmpooler__vm__' + vm, 'check')
check_stamp = $redis.hget('vmpooler__vm__' + vm, 'check')
if
(!check_stamp) ||
if (!check_stamp) ||
(((Time.now - Time.parse(check_stamp)) / 60) > $config[:config]['vm_checktime'])
$redis.hset('vmpooler__vm__' + vm, 'check', Time.now)
$redis.hset('vmpooler__vm__' + vm, 'check', Time.now)
host = $vsphere[pool].find_vm(vm) ||
$vsphere[pool].find_vm_heavy(vm)[vm]
host = $vsphere[pool].find_vm(vm) ||
$vsphere[pool].find_vm_heavy(vm)[vm]
if host
if
(host.runtime) &&
if host
if (host.runtime) &&
(host.runtime.powerState) &&
(host.runtime.powerState != 'poweredOn')
$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
$logger.log('d', "[!] [#{pool}] '#{vm}' appears to be powered off, removed from 'ready' queue")
end
$logger.log('d', "[!] [#{pool}] '#{vm}' appears to be powered off, removed from 'ready' queue")
end
if
(host.summary.guest) &&
if (host.summary.guest) &&
(host.summary.guest.hostName) &&
(host.summary.guest.hostName != vm)
$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
$redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
$logger.log('d', "[!] [#{pool}] '#{vm}' has mismatched hostname, removed from 'ready' queue")
end
else
$redis.srem('vmpooler__ready__' + pool, vm)
$logger.log('s', "[!] [#{pool}] '#{vm}' not found in vCenter inventory, removed from 'ready' queue")
$logger.log('d', "[!] [#{pool}] '#{vm}' has mismatched hostname, removed from 'ready' queue")
end
else
$redis.srem('vmpooler__ready__' + pool, vm)
begin
Timeout.timeout(5) do
TCPSocket.new vm, 22
end
rescue
if $redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
$logger.log('d', "[!] [#{pool}] '#{vm}' is unreachable, removed from 'ready' queue")
end
$logger.log('s', "[!] [#{pool}] '#{vm}' not found in vCenter inventory, removed from 'ready' queue")
end
begin
Timeout.timeout(5) do
TCPSocket.new vm, 22
end
rescue
if $redis.smove('vmpooler__ready__' + pool, 'vmpooler__completed__' + pool, vm)
$logger.log('d', "[!] [#{pool}] '#{vm}' is unreachable, removed from 'ready' queue")
end
end
end
end
def check_running_vm(vm, pool, ttl)
Thread.new do
_check_running_vm(vm, pool, ttl)
end
end
def _check_running_vm(vm, pool, ttl)
host = $vsphere[pool].find_vm(vm)
if host