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metric_spec.rb
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metric_spec.rb
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RSpec.describe Metric do
include Spec::Support::MetricHelper
before do
@zone = EvmSpecHelper.local_miq_server.zone
end
describe "metrics view" do
it "creates an object with an id" do
metric = described_class.create!(:timestamp => Time.now.utc)
expect(metric.id).to be > 0
end
it "initializes an object's id after save" do
metric = described_class.new
metric.timestamp = Time.now.utc
metric.save!
expect(metric.id).to be > 0
end
it "updates an existing object correctly" do
metric = described_class.create!(:timestamp => Time.now.utc)
old_id = metric.id
metric.update!(:timestamp => Time.now.utc - 1.day)
expect(metric.id).to eq(old_id)
end
end
context "as vmware" do
before do
@ems_vmware = FactoryBot.create(:ems_vmware, :zone => @zone)
end
context "with a small environment and time_profile" do
before do
@vm1 = FactoryBot.create(:vm_vmware)
@vm2 = FactoryBot.create(:vm_vmware, :hardware => FactoryBot.create(:hardware, :cpu1x2, :memory_mb => 4096))
@host1 = FactoryBot.create(:host, :hardware => FactoryBot.create(:hardware, :memory_mb => 8124, :cpu_total_cores => 1, :cpu_speed => 9576), :vms => [@vm1])
@host2 = FactoryBot.create(:host, :hardware => FactoryBot.create(:hardware, :memory_mb => 8124, :cpu_total_cores => 1, :cpu_speed => 9576))
@ems_cluster = FactoryBot.create(:ems_cluster, :ext_management_system => @ems_vmware)
@ems_cluster.hosts << @host1
@ems_cluster.hosts << @host2
@time_profile = FactoryBot.create(:time_profile_utc)
MiqQueue.delete_all
end
context "with Vm hourly performances" do
before do
cases = [
"2010-04-13T21:00:00Z", 100.0,
"2010-04-14T18:00:00Z", 1.0,
"2010-04-14T19:00:00Z", 2.0,
"2010-04-14T20:00:00Z", 4.0,
"2010-04-14T21:00:00Z", 8.0,
"2010-04-14T22:00:00Z", 15.0,
"2010-04-15T21:00:00Z", 100.0,
]
cases.each_slice(2) do |t, v|
@vm1.metric_rollups << FactoryBot.create(:metric_rollup_vm_hr,
:timestamp => t,
:cpu_usage_rate_average => v,
:cpu_ready_delta_summation => v * 10000,
:sys_uptime_absolute_latest => v,
:min_max => {
:abs_max_cpu_usage_rate_average_value => v,
:abs_max_cpu_usage_rate_average_timestamp => Time.parse(t) + 20.seconds,
:abs_min_cpu_usage_rate_average_value => v,
:abs_min_cpu_usage_rate_average_timestamp => Time.parse(t) + 40.seconds,
})
end
end
context "and Host realtime performances" do
before do
cases = [
"2010-04-14T20:52:40Z", 100.0,
"2010-04-14T21:51:20Z", 2.0,
"2010-04-14T21:51:40Z", 4.0,
"2010-04-14T21:52:00Z", 8.0,
"2010-04-14T21:52:20Z", 16.0,
"2010-04-14T21:52:40Z", 30.0,
"2010-04-14T22:52:40Z", 100.0,
]
cases.each_slice(2) do |t, v|
@host1.metrics << FactoryBot.create(:metric_host_rt,
:timestamp => t,
:cpu_usage_rate_average => v,
:cpu_usagemhz_rate_average => v,
:sys_uptime_absolute_latest => v)
end
cases = [
"2010-04-14T20:52:40Z", 200.0,
"2010-04-14T21:51:20Z", 3.0,
"2010-04-14T21:51:40Z", 8.0,
"2010-04-14T21:52:00Z", 16.0,
"2010-04-14T21:52:20Z", 32.0,
"2010-04-14T21:52:40Z", 60.0,
"2010-04-14T22:52:40Z", 200.0,
]
cases.each_slice(2) do |t, v|
@host2.metrics << FactoryBot.create(:metric_host_rt,
:timestamp => t,
:cpu_usage_rate_average => v,
:cpu_usagemhz_rate_average => v,
:sys_uptime_absolute_latest => v)
end
end
context "calling get_performance_metric" do
it "should return the correct value(s)" do
expect(@host1.get_performance_metric(:realtime, :cpu_usage_rate_average, ["2010-04-14T20:52:40Z", "2010-04-14T22:52:40Z"])).to eq([100.0, 2.0, 4.0, 8.0, 16.0, 30.0, 100.0])
expect(@host1.get_performance_metric(:realtime, :cpu_usage_rate_average, ["2010-04-14T20:52:40Z", "2010-04-14T22:52:40Z"], :avg)).to be_within(0.0001).of(37.1428571428571)
expect(@host1.get_performance_metric(:realtime, :cpu_usage_rate_average, ["2010-04-14T20:52:40Z", "2010-04-14T22:52:40Z"], :min)).to eq(2.0)
expect(@host1.get_performance_metric(:realtime, :cpu_usage_rate_average, ["2010-04-14T20:52:40Z", "2010-04-14T22:52:40Z"], :max)).to eq(100.0)
# Test supported formats of time range
expect(@host1.get_performance_metric(:realtime, :cpu_usage_rate_average, ["2010-04-14T20:52:40Z".to_time(:utc), "2010-04-14T22:52:40Z".to_time(:utc)], :min)).to eq(2.0)
expect(@host1.get_performance_metric(:realtime, :cpu_usage_rate_average, "2010-04-14T20:52:40Z", :max)).to eq(100.0)
expect(@host1.get_performance_metric(:realtime, :cpu_usage_rate_average, "2010-04-14T20:52:40Z".to_time(:utc), :max)).to eq(100.0)
end
end
end
end
context "#generate_vim_performance_operating_range" do
before do
Timecop.travel(Time.parse("2010-05-01T00:00:00Z"))
cases = [
"2010-04-01T00:00:00Z", 9.14, 32.85,
"2010-04-13T21:00:00Z", 9.14, 32.85,
"2010-04-14T18:00:00Z", 10.23, 28.76,
"2010-04-14T19:00:00Z", 18.92, 39.11,
"2010-04-14T20:00:00Z", 7.34, 28.87,
"2010-04-14T21:00:00Z", 8.00, 29.99,
"2010-04-14T22:00:00Z", 15.00, 41.59,
"2010-04-15T21:00:00Z", 27.22, 30.43,
]
cases.each_slice(3) do |t, cpu, mem|
[@vm1, @vm2].each do |vm|
vm.metric_rollups << FactoryBot.create(:metric_rollup_vm_daily,
:timestamp => t,
:cpu_usage_rate_average => cpu,
:mem_usage_absolute_average => mem,
:min_max => {
:max_cpu_usage_rate_average => cpu,
:max_mem_usage_absolute_average => mem,
},
:time_profile => @time_profile)
end
end
end
after do
Timecop.return
end
it "should calculate the correct normal operating range values" do
@vm1.generate_vim_performance_operating_range(@time_profile)
expect(@vm1.max_cpu_usage_rate_average_avg_over_time_period).to be_within(0.001).of(13.124)
expect(@vm1.max_mem_usage_absolute_average_avg_over_time_period).to be_within(0.001).of(33.056)
expect(@vm1.cpu_usage_rate_average_avg_over_time_period).to be_within(0.001).of(13.124)
expect(@vm1.cpu_usage_rate_average_high_over_time_period).to be_within(0.001).of(20.048)
expect(@vm1.cpu_usage_rate_average_low_over_time_period).to be_within(0.001).of(6.199)
expect(@vm1.mem_usage_absolute_average_avg_over_time_period).to be_within(0.001).of(33.056)
expect(@vm1.mem_usage_absolute_average_high_over_time_period).to be_within(0.001).of(37.865)
expect(@vm1.mem_usage_absolute_average_low_over_time_period).to be_within(0.001).of(28.248)
end
it "should calculate the correct right-size values" do
allow(ManageIQ::Providers::Vmware::InfraManager::Vm).to receive(:mem_recommendation_minimum).and_return(0)
@vm1.generate_vim_performance_operating_range(@time_profile)
@vm2.generate_vim_performance_operating_range(@time_profile)
expect(@vm1.recommended_vcpus).to eq(1)
expect(@vm1.recommended_mem).to eq(4)
expect(@vm1.overallocated_vcpus_pct).to eq(0)
expect(@vm1.overallocated_mem_pct).to eq(0)
expect(@vm2.recommended_vcpus).to eq(1)
expect(@vm2.recommended_mem).to eq(1356)
expect(@vm2.overallocated_vcpus_pct).to be_within(0.01).of(50.0)
expect(@vm2.overallocated_mem_pct).to be_within(0.01).of(66.9)
end
end
end
context "Testing CPU % virtual cols with existing performance data" do
it "should return the correct values for Vm realtime" do
pdata = {
:resource_type => "VmOrTemplate",
:capture_interval_name => "realtime",
:cpu_ready_delta_summation => 1060.0,
:cpu_used_delta_summation => 4012.0,
:cpu_wait_delta_summation => 27090.0,
}
perf = Metric.new(pdata)
expect(perf.v_pct_cpu_ready_delta_summation).to eq(5.3)
expect(perf.v_pct_cpu_used_delta_summation).to eq(20.1)
expect(perf.v_pct_cpu_wait_delta_summation).to eq(135.5)
end
end
context "with a cluster" do
context "maintains_value_for_duration?" do
it "should handle the only event right before the starting on time (FB15770)" do
@ems_cluster = FactoryBot.create(:ems_cluster, :ext_management_system => @ems_vmware)
@ems_cluster.metric_rollups << FactoryBot.create(:metric_rollup_vm_hr,
:timestamp => Time.parse("2011-08-12T20:33:12Z"))
options = {:debug_trace => "false",
:value => "50",
:operator => ">",
:duration => 3600,
:column => "v_pct_cpu_ready_delta_summation",
:interval_name => "hourly",
:starting_on => Time.parse("2011-08-12T20:33:20Z"),
:trend_direction => "none"}
expect(@ems_cluster.performances_maintains_value_for_duration?(options)).to eq(false)
end
end
end
end
context "as kubernetes" do
before do
@ems_kubernetes = FactoryBot.create(:ems_kubernetes, :zone => @zone)
@node_a = FactoryBot.create(:container_node, :ext_management_system => @ems_kubernetes)
@node_a.computer_system.hardware = FactoryBot.create(:hardware, :cpu_total_cores => 2)
@node_b = FactoryBot.create(:container_node, :ext_management_system => @ems_kubernetes)
@node_b.computer_system.hardware = FactoryBot.create(:hardware, :cpu_total_cores => 8)
@node_a.metric_rollups << FactoryBot.create(
:metric_rollup,
:timestamp => rollup_chain_timestamp,
:cpu_usage_rate_average => 50.0,
:capture_interval_name => 'hourly',
:derived_vm_numvcpus => 2,
:parent_ems_id => @ems_kubernetes.id
)
@node_b.metric_rollups << FactoryBot.create(
:metric_rollup,
:timestamp => rollup_chain_timestamp,
:cpu_usage_rate_average => 75.0,
:capture_interval_name => 'hourly',
:derived_vm_numvcpus => 8,
:parent_ems_id => @ems_kubernetes.id
)
end
let(:rollup_chain_timestamp) { "2011-08-12T20:33:20Z" }
it "cpu usage rollups should be a weighted average over cores" do
@ems_kubernetes.perf_rollup(rollup_chain_timestamp, 'hourly')
ems_rollup = @ems_kubernetes.metric_rollups.first
expect(ems_rollup.derived_vm_numvcpus).to eq(10.0)
# NOTE: The expected cpu_usage_rate_average must be a weighted average
# over number of cores. In fact an 8 cores node (as in this example)
# with 75% usage can be compared and aggregated with a 2 cores only
# after being normalized.
#
# In fact:
#
# 50% of 2 cores system ~ 1 core in use
# 75% of 8 cores system ~ 6 cores in use
#
# Total: 10 cores and 7 in use => 70% usage
#
# *NOT*
#
# average of 50% and 75% = 87.5%
#
# 87.5% of 10 cores => 8.75 cores in use (WRONG)
#
expect(ems_rollup.cpu_usage_rate_average).to eq(70.0)
expect(ems_rollup.v_derived_cpu_total_cores_used).to eq(7.0)
end
end
context "#reindex_table_name" do
it "defaults to 1 hour from now" do
Timecop.freeze("2017-01-30T09:20UTC") do
expect(Metric.reindex_table_name).to eq("metrics_10")
end
end
it "pads table to 2 digits" do
Timecop.freeze("2017-01-30T03:20UTC") do
expect(Metric.reindex_table_name).to eq("metrics_04")
end
end
it "provides hour wrap around" do
Timecop.freeze("2017-01-30T23:20UTC") do
expect(Metric.reindex_table_name).to eq("metrics_00")
end
end
it "allows time to be passed in" do
expect(Metric.reindex_table_name(Time.parse("2017-01-30T23:20Z").utc)).to eq("metrics_23")
end
it "allows hour integer to be passed in" do
expect(Metric.reindex_table_name(23)).to eq("metrics_23")
end
end
end