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(RE-7014) statsd nitpicks and additional rspec

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Cleaned up some code review nitpicks and added pool_manager_spec for empty pool.
This commit is contained in:
Rick Sherman 2016-06-08 11:03:22 -05:00
parent b983472088
commit c133bed945
5 changed files with 39 additions and 23 deletions
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2
lib/vmpooler.rb
View file

@ -88,7 +88,7 @@ module Vmpooler
end
def self.new_statsd(server, port)
if server.nil? or server.empty? or server.length == 0
if server.nil? || server.empty?
nil
else
Statsd.new server, port

12
lib/vmpooler/api/v1.rb
View file

@ -393,9 +393,9 @@ module Vmpooler
if jdata
empty = jdata.delete('empty')
invalid = jdata.delete('invalid')
statsd.increment(statsd_prefix + '.checkout.empty', empty) if !empty.nil?
statsd.increment(statsd_prefix + '.checkout.invalid', invalid) if !invalid.nil?
if !jdata.empty?
statsd.increment(statsd_prefix + '.checkout.empty', empty) if empty
statsd.increment(statsd_prefix + '.checkout.invalid', invalid) if invalid
unless jdata.empty?
result = atomically_allocate_vms(jdata)
else
status 404
@ -426,9 +426,9 @@ module Vmpooler
if payload
empty = payload.delete('empty')
invalid = payload.delete('invalid')
statsd.increment(statsd_prefix + '.checkout.empty', empty) if !empty.nil?
statsd.increment(statsd_prefix + '.checkout.invalid', invalid) if !invalid.nil?
if !payload.empty?
statsd.increment(statsd_prefix + '.checkout.empty', empty) if empty
statsd.increment(statsd_prefix + '.checkout.invalid', invalid) if invalid
unless payload.empty?
result = atomically_allocate_vms(payload)
else
status 404

16
lib/vmpooler/pool_manager.rb
View file

@ -7,11 +7,9 @@ module Vmpooler
$logger = logger
# statsd and graphite are mutex in the context of vmpooler
unless statsd.nil?
if statsd
$statsd = statsd
end
unless graphite.nil? || !statsd.nil?
elsif graphite
$graphite = graphite
end
@ -263,8 +261,8 @@ module Vmpooler
$redis.decr('vmpooler__tasks__clone')
begin
$statsd.timing($config[:statsd]['prefix'] + ".clone.#{vm['template']}", finish) if defined? $statsd
$graphite.log($config[:graphite]['prefix'] + ".clone.#{vm['template']}", finish) if defined? $graphite
$statsd.timing($config[:statsd]['prefix'] + ".clone.#{vm['template']}", finish) if $statsd
$graphite.log($config[:graphite]['prefix'] + ".clone.#{vm['template']}", finish) if $graphite
rescue
end
end
@ -300,7 +298,7 @@ module Vmpooler
$logger.log('s', "[-] [#{pool}] '#{vm}' destroyed in #{finish} seconds")
$graphite.log($config[:graphite]['prefix'] + ".destroy.#{pool}", finish) if defined? $graphite
$graphite.log($config[:graphite]['prefix'] + ".destroy.#{pool}", finish) if $graphite
end
end
end
@ -571,10 +569,10 @@ module Vmpooler
total = $redis.scard('vmpooler__pending__' + pool['name']) + ready
begin
if defined? $statsd
if $statsd
$statsd.increment($config[:statsd]['prefix'] + '.ready.' + pool['name'], $redis.scard('vmpooler__ready__' + pool['name']))
$statsd.increment($config[:statsd]['prefix'] + '.running.' + pool['name'], $redis.scard('vmpooler__running__' + pool['name']))
elsif defined? $graphite
elsif $graphite
$graphite.log($config[:graphite]['prefix'] + '.ready.' + pool['name'], $redis.scard('vmpooler__ready__' + pool['name']))
$graphite.log($config[:graphite]['prefix'] + '.running.' + pool['name'], $redis.scard('vmpooler__running__' + pool['name']))
end

7
lib/vmpooler/statsd.rb
View file

@ -2,11 +2,8 @@ require 'rubygems' unless defined?(Gem)
module Vmpooler
class Statsd
def initialize(
s = 'statsd',
port = 8125
)
@server = Statsd.new s, port
def initialize(server = 'statsd', port = 8125)
@server = Statsd.new(server, port)
end
end
end

21
spec/vmpooler/pool_manager_spec.rb
View file

@ -286,6 +286,17 @@ describe 'Pool Manager' do
expect(graphite).to receive(:log).with('vmpooler.running.pool1', 5)
subject._check_pool(config[:pools][0])
end
it 'increments graphite when ready with 0 when pool empty and statsd disabled' do
allow(redis).to receive(:scard).with('vmpooler__ready__pool1').and_return(0)
allow(redis).to receive(:scard).with('vmpooler__cloning__pool1').and_return(0)
allow(redis).to receive(:scard).with('vmpooler__pending__pool1').and_return(0)
allow(redis).to receive(:scard).with('vmpooler__running__pool1').and_return(5)
expect(graphite).to receive(:log).with('vmpooler.ready.pool1', 0)
expect(graphite).to receive(:log).with('vmpooler.running.pool1', 5)
subject._check_pool(config[:pools][0])
end
end
context 'statsd' do
@ -307,6 +318,16 @@ describe 'Pool Manager' do
expect(statsd).to receive(:increment).with('vmpooler.running.pool1', 5)
subject._check_pool(config[:pools][0])
end
it 'increments statsd ready with 0 when pool empty' do
allow(redis).to receive(:scard).with('vmpooler__running__pool1').and_return(1)
allow(redis).to receive(:scard).with('vmpooler__ready__pool1').and_return(0)
allow(redis).to receive(:scard).with('vmpooler__pending__pool1').and_return(0)
allow(statsd).to receive(:increment).with('vmpooler.running.pool1', 1)
expect(statsd).to receive(:increment).with('vmpooler.ready.pool1', 0)
subject._check_pool(config[:pools][0])
end
end
end