mirror of
https://github.com/puppetlabs/vmpooler.git
synced 2026-01-26 18:08:42 -05:00
Fix number of ends at end of file. Move update_pool_size out of repopulate_pool_vms. Remove instances of check_pool_vms within the test.
This commit is contained in:
kirby@puppetlabs.com
parent
f45efb1b86
commit
6449f1aab1
2 changed files with 209 additions and 227 deletions
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@ -822,37 +822,31 @@ module Vmpooler
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end
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def repopulate_pool_vms(pool_name, provider, pool_check_response, pool_size)
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unless pool_mutex(pool_name).locked?
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ready = $redis.scard("vmpooler__ready__#{pool_name}")
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total = $redis.scard("vmpooler__pending__#{pool_name}") + ready
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return if pool_mutex(pool_name).locked?
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ready = $redis.scard("vmpooler__ready__#{pool_name}")
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total = $redis.scard("vmpooler__pending__#{pool_name}") + ready
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$metrics.gauge("ready.#{pool_name}", $redis.scard("vmpooler__ready__#{pool_name}"))
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$metrics.gauge("running.#{pool_name}", $redis.scard("vmpooler__running__#{pool_name}"))
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$metrics.gauge("ready.#{pool_name}", $redis.scard("vmpooler__ready__#{pool_name}"))
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$metrics.gauge("running.#{pool_name}", $redis.scard("vmpooler__running__#{pool_name}"))
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if $redis.get("vmpooler__empty__#{pool_name}")
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$redis.del("vmpooler__empty__#{pool_name}") unless ready.zero?
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elsif ready.zero?
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$redis.set("vmpooler__empty__#{pool_name}", 'true')
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$logger.log('s', "[!] [#{pool_name}] is empty")
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end
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if $redis.get("vmpooler__empty__#{pool_name}")
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$redis.del("vmpooler__empty__#{pool_name}") unless ready.zero?
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elsif ready.zero?
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$redis.set("vmpooler__empty__#{pool_name}", 'true')
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$logger.log('s', "[!] [#{pool_name}] is empty")
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end
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# Check to see if a pool size change has been made via the configuration API
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# Since check_pool runs in a loop it does not
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# otherwise identify this change when running
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update_pool_size(pool)
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if total < pool_size
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(1..(pool_size - total)).each do |_i|
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if $redis.get('vmpooler__tasks__clone').to_i < $config[:config]['task_limit'].to_i
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begin
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$redis.incr('vmpooler__tasks__clone')
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pool_check_response[:cloned_vms] += 1
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clone_vm(pool, provider)
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rescue => err
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$logger.log('s', "[!] [#{pool_name}] clone failed during check_pool with an error: #{err}")
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$redis.decr('vmpooler__tasks__clone')
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raise
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end
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if total < pool_size
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(1..(pool_size - total)).each do |_i|
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if $redis.get('vmpooler__tasks__clone').to_i < $config[:config]['task_limit'].to_i
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begin
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$redis.incr('vmpooler__tasks__clone')
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pool_check_response[:cloned_vms] += 1
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clone_vm(pool, provider)
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rescue => err
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$logger.log('s', "[!] [#{pool_name}] clone failed during check_pool with an error: #{err}")
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$redis.decr('vmpooler__tasks__clone')
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raise
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end
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end
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end
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@ -894,6 +888,11 @@ module Vmpooler
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# Additionally, a pool will drain ready and pending instances
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evaluate_template(pool, provider)
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# Check to see if a pool size change has been made via the configuration API
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# Since check_pool runs in a loop it does not
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# otherwise identify this change when running
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update_pool_size(pool)
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repopulate_pool_vms(pool['name'], provider, pool_check_response, pool['size'])
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# Remove VMs in excess of the configured pool size
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@ -3103,207 +3103,185 @@ EOT
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}
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}
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it 'should not call clone_vm when number of VMs is equal to the pool size' do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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it 'should not call clone_vm when number of VMs is equal to the pool size' do
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expect(subject).to receive(:clone_vm).exactly(0).times
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subject.repopulate_pool_vms(pool, provider, pool_check_response, pool_size)
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end
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it 'should not call clone_vm when number of VMs is greater than the pool size' do
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create_ready_vm(pool,vm,token)
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expect(subject).to receive(:clone_vm).exactly(0).times
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subject._check_pool(pool_object,provider)
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end
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['ready','pending'].each do |queue_name|
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it "should use VMs in #{queue_name} queue to caculate pool size" do
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expect(subject).to receive(:clone_vm).exactly(0).times
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subject.repopulate_pool_vms(pool ,provider, pool_check_response, pool_size)
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end
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it 'should not call clone_vm when number of VMs is greater than the pool size' do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return(vm_response)
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create_ready_vm(pool,vm,token)
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expect(subject).to receive(:clone_vm).exactly(0).times
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# Modify the pool size to 1 and add a VM in the queue
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redis.sadd("vmpooler__#{queue_name}__#{pool}",vm)
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config[:pools][0]['size'] = 1
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subject._check_pool(pool_object,provider)
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end
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['ready','pending'].each do |queue_name|
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it "should use VMs in #{queue_name} queue to caculate pool size" do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return(vm_response)
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expect(subject).to receive(:clone_vm).exactly(0).times
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# Modify the pool size to 1 and add a VM in the queue
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redis.sadd("vmpooler__#{queue_name}__#{pool}",vm)
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config[:pools][0]['size'] = 1
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subject._check_pool(pool_object,provider)
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end
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end
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['running','completed','discovered','migrating'].each do |queue_name|
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it "should not use VMs in #{queue_name} queue to caculate pool size" do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return(vm_response)
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expect(subject).to receive(:clone_vm)
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# Modify the pool size to 1 and add a VM in the queue
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redis.sadd("vmpooler__#{queue_name}__#{pool}",vm)
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config[:pools][0]['size'] = 1
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subject._check_pool(pool_object,provider)
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end
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end
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it 'should log a message the first time a pool is empty' do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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expect(logger).to receive(:log).with('s', "[!] [#{pool}] is empty")
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subject._check_pool(pool_object,provider)
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end
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context 'when pool is marked as empty' do
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let(:vm_response) {
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# Mock response from Base Provider for vms_in_pool
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[{ 'name' => vm}]
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}
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before(:each) do
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redis.set("vmpooler__empty__#{pool}", 'true')
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end
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it 'should not log a message when the pool remains empty' do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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expect(logger).to receive(:log).with('s', "[!] [#{pool}] is empty").exactly(0).times
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subject._check_pool(pool_object,provider)
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end
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it 'should remove the empty pool mark if it is no longer empty' do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return(vm_response)
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create_ready_vm(pool,vm,token)
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expect(redis.get("vmpooler__empty__#{pool}")).to be_truthy
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subject._check_pool(pool_object,provider)
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expect(redis.get("vmpooler__empty__#{pool}")).to be_falsey
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end
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end
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context 'when number of VMs is less than the pool size' do
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before(:each) do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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end
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it 'should return the number of cloned VMs' do
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pool_size = 5
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config[:pools][0]['size'] = pool_size
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result = subject._check_pool(pool_object,provider)
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expect(result[:cloned_vms]).to be(pool_size)
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end
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it 'should call clone_vm to populate the pool' do
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pool_size = 5
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config[:pools][0]['size'] = pool_size
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expect(subject).to receive(:clone_vm).exactly(pool_size).times
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subject._check_pool(pool_object,provider)
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end
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it 'should call clone_vm until task_limit is hit' do
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task_limit = 2
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pool_size = 5
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config[:pools][0]['size'] = pool_size
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config[:config]['task_limit'] = task_limit
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expect(subject).to receive(:clone_vm).exactly(task_limit).times
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subject._check_pool(pool_object,provider)
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end
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it 'log a message if a cloning error occurs' do
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pool_size = 1
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config[:pools][0]['size'] = pool_size
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expect(subject).to receive(:clone_vm).and_raise(RuntimeError,"MockError")
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expect(logger).to receive(:log).with("s", "[!] [#{pool}] clone failed during check_pool with an error: MockError")
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expect{ subject._check_pool(pool_object,provider) }.to raise_error(RuntimeError,'MockError')
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end
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end
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context 'when a pool size configuration change is detected' do
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let(:poolsize) { 2 }
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let(:newpoolsize) { 3 }
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before(:each) do
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config[:pools][0]['size'] = poolsize
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redis.hset('vmpooler__config__poolsize', pool, newpoolsize)
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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end
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it 'should change the pool size configuration' do
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subject._check_pool(config[:pools][0],provider)
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expect(config[:pools][0]['size']).to be(newpoolsize)
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end
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end
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context 'when a pool template is updating' do
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let(:poolsize) { 2 }
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before(:each) do
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redis.hset('vmpooler__config__updating', pool, 1)
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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end
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it 'should not call clone_vm to populate the pool' do
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expect(subject).to_not receive(:clone_vm)
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subject._check_pool(config[:pools][0],provider)
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end
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end
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context 'when an excess number of ready vms exist' do
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before(:each) do
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allow(redis).to receive(:scard)
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expect(redis).to receive(:scard).with("vmpooler__ready__#{pool}").and_return(1)
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expect(redis).to receive(:scard).with("vmpooler__pending__#{pool}").and_return(1)
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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end
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it 'should call remove_excess_vms' do
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expect(subject).to receive(:remove_excess_vms).with(config[:pools][0], provider, 1, 2)
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subject._check_pool(config[:pools][0],provider)
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end
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end
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context 'export metrics' do
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it 'increments metrics for ready queue' do
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create_ready_vm(pool,'vm1')
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create_ready_vm(pool,'vm2')
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create_ready_vm(pool,'vm3')
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expect(provider).to receive(:vms_in_pool).with(pool).and_return(multi_vm_response)
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expect(metrics).to receive(:gauge).with("ready.#{pool}", 3)
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allow(metrics).to receive(:gauge)
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subject._check_pool(pool_object,provider)
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end
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it 'increments metrics for running queue' do
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create_running_vm(pool,'vm1',token)
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create_running_vm(pool,'vm2',token)
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create_running_vm(pool,'vm3',token)
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expect(provider).to receive(:vms_in_pool).with(pool).and_return(multi_vm_response)
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expect(metrics).to receive(:gauge).with("running.#{pool}", 3)
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allow(metrics).to receive(:gauge)
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subject._check_pool(pool_object,provider)
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end
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it 'increments metrics with 0 when pool empty' do
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expect(provider).to receive(:vms_in_pool).with(pool).and_return([])
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expect(metrics).to receive(:gauge).with("ready.#{pool}", 0)
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expect(metrics).to receive(:gauge).with("running.#{pool}", 0)
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subject._check_pool(pool_object,provider)
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end
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end
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end
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end
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['running','completed','discovered','migrating'].each do |queue_name|
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it "should not use VMs in #{queue_name} queue to caculate pool size" do
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expect(subject).to receive(:clone_vm)
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# Modify the pool size to 1 and add a VM in the queue
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redis.sadd("vmpooler__#{queue_name}__#{pool}",vm)
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config[:pools][0]['size'] = 1
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subject._check_pool(pool_object,provider)
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end
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end
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it 'should log a message the first time a pool is empty' do
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expect(logger).to receive(:log).with('s', "[!] [#{pool}] is empty")
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subject._check_pool(pool_object,provider)
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end
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context 'when pool is marked as empty' do
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before(:each) do
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redis.set("vmpooler__empty__#{pool}", 'true')
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end
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it 'should not log a message when the pool remains empty' do
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expect(logger).to receive(:log).with('s', "[!] [#{pool}] is empty").exactly(0).times
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subject._check_pool(pool_object,provider)
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end
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it 'should remove the empty pool mark if it is no longer empty' do
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create_ready_vm(pool,vm,token)
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expect(redis.get("vmpooler__empty__#{pool}")).to be_truthy
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subject._check_pool(pool_object,provider)
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expect(redis.get("vmpooler__empty__#{pool}")).to be_falsey
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end
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end
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context 'when number of VMs is less than the pool size' do
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it 'should return the number of cloned VMs' do
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pool_size = 5
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config[:pools][0]['size'] = pool_size
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result = subject._check_pool(pool_object,provider)
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expect(result[:cloned_vms]).to be(pool_size)
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end
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it 'should call clone_vm to populate the pool' do
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pool_size = 5
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config[:pools][0]['size'] = pool_size
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expect(subject).to receive(:clone_vm).exactly(pool_size).times
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subject._check_pool(pool_object,provider)
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end
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it 'should call clone_vm until task_limit is hit' do
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task_limit = 2
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pool_size = 5
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config[:pools][0]['size'] = pool_size
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config[:config]['task_limit'] = task_limit
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expect(subject).to receive(:clone_vm).exactly(task_limit).times
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subject._check_pool(pool_object,provider)
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end
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it 'log a message if a cloning error occurs' do
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pool_size = 1
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config[:pools][0]['size'] = pool_size
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expect(subject).to receive(:clone_vm).and_raise(RuntimeError,"MockError")
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expect(logger).to receive(:log).with("s", "[!] [#{pool}] clone failed during check_pool with an error: MockError")
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expect{ subject._check_pool(pool_object,provider) }.to raise_error(RuntimeError,'MockError')
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end
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end
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context 'when a pool size configuration change is detected' do
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let(:poolsize) { 2 }
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let(:newpoolsize) { 3 }
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before(:each) do
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config[:pools][0]['size'] = poolsize
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redis.hset('vmpooler__config__poolsize', pool, newpoolsize)
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end
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it 'should change the pool size configuration' do
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subject._check_pool(config[:pools][0],provider)
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expect(config[:pools][0]['size']).to be(newpoolsize)
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end
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end
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context 'when a pool template is updating' do
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let(:poolsize) { 2 }
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before(:each) do
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redis.hset('vmpooler__config__updating', pool, 1)
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end
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it 'should not call clone_vm to populate the pool' do
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expect(subject).to_not receive(:clone_vm)
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subject._check_pool(config[:pools][0],provider)
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end
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end
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context 'when an excess number of ready vms exist' do
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before(:each) do
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allow(redis).to receive(:scard)
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expect(redis).to receive(:scard).with("vmpooler__ready__#{pool}").and_return(1)
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expect(redis).to receive(:scard).with("vmpooler__pending__#{pool}").and_return(1)
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end
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it 'should call remove_excess_vms' do
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expect(subject).to receive(:remove_excess_vms).with(config[:pools][0], provider, 1, 2)
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subject._check_pool(config[:pools][0],provider)
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end
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end
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context 'export metrics' do
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it 'increments metrics for ready queue' do
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create_ready_vm(pool,'vm1')
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create_ready_vm(pool,'vm2')
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create_ready_vm(pool,'vm3')
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expect(metrics).to receive(:gauge).with("ready.#{pool}", 3)
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allow(metrics).to receive(:gauge)
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subject._check_pool(pool_object,provider)
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end
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it 'increments metrics for running queue' do
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create_running_vm(pool,'vm1',token)
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create_running_vm(pool,'vm2',token)
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create_running_vm(pool,'vm3',token)
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expect(metrics).to receive(:gauge).with("running.#{pool}", 3)
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allow(metrics).to receive(:gauge)
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||||
|
||||
subject._check_pool(pool_object,provider)
|
||||
end
|
||||
|
||||
it 'increments metrics with 0 when pool empty' do
|
||||
|
||||
expect(metrics).to receive(:gauge).with("ready.#{pool}", 0)
|
||||
expect(metrics).to receive(:gauge).with("running.#{pool}", 0)
|
||||
|
||||
subject._check_pool(pool_object,provider)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
describe '#_check_pool' do
|
||||
let(:new_vm_response) {
|
||||
|
|
@ -3568,9 +3546,14 @@ EOT
|
|||
subject._check_pool(pool_object,provider)
|
||||
end
|
||||
end
|
||||
#REPOPULATE
|
||||
context 'when checking if pools need to be repopulated' do
|
||||
it 'should call #repopulate_pool_vms' do
|
||||
expect(subject).to receive(:repopulate_pool_vms).with(pool, provider, pool_check_response, config[:pools][0]['size'])
|
||||
|
||||
subject._check_pool(pool_object, provider)
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
# REPOPULATE
|
||||
context 'Repopulate a pool'
|
||||
end
|
||||
end
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue