prometheus/promql/testdata/functions.test
2016-03-28 15:42:27 -04:00

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# Testdata for resets() and changes().
load 5m
http_requests{path="/foo"} 1 2 3 0 1 0 0 1 2 0
http_requests{path="/bar"} 1 2 3 4 5 1 2 3 4 5
http_requests{path="/biz"} 0 0 0 0 0 1 1 1 1 1
# Tests for resets().
eval instant at 50m resets(http_requests[5m])
{path="/foo"} 0
{path="/bar"} 0
{path="/biz"} 0
eval instant at 50m resets(http_requests[20m])
{path="/foo"} 1
{path="/bar"} 0
{path="/biz"} 0
eval instant at 50m resets(http_requests[30m])
{path="/foo"} 2
{path="/bar"} 1
{path="/biz"} 0
eval instant at 50m resets(http_requests[50m])
{path="/foo"} 3
{path="/bar"} 1
{path="/biz"} 0
eval instant at 50m resets(nonexistent_metric[50m])
# Tests for changes().
eval instant at 50m changes(http_requests[5m])
{path="/foo"} 0
{path="/bar"} 0
{path="/biz"} 0
eval instant at 50m changes(http_requests[20m])
{path="/foo"} 3
{path="/bar"} 3
{path="/biz"} 0
eval instant at 50m changes(http_requests[30m])
{path="/foo"} 4
{path="/bar"} 5
{path="/biz"} 1
eval instant at 50m changes(http_requests[50m])
{path="/foo"} 8
{path="/bar"} 9
{path="/biz"} 1
eval instant at 50m changes(nonexistent_metric[50m])
clear
# Tests for increase().
load 5m
http_requests{path="/foo"} 0+10x10
http_requests{path="/bar"} 0+10x5 0+10x5
# Tests for increase().
eval instant at 50m increase(http_requests[50m])
{path="/foo"} 100
{path="/bar"} 90
eval instant at 50m increase(http_requests[100m])
{path="/foo"} 100
{path="/bar"} 90
clear
# Tests for irate().
load 5m
http_requests{path="/foo"} 0+10x10
http_requests{path="/bar"} 0+10x5 0+10x5
eval instant at 50m irate(http_requests[50m])
{path="/foo"} .03333333333333333333
{path="/bar"} .03333333333333333333
# Counter reset.
eval instant at 30m irate(http_requests[50m])
{path="/foo"} .03333333333333333333
{path="/bar"} 0
clear
# Tests for deriv() and predict_linear().
load 5m
testcounter_reset_middle 0+10x4 0+10x5
http_requests{job="app-server", instance="1", group="canary"} 0+80x10
# deriv should return the same as rate in simple cases.
eval instant at 50m rate(http_requests{group="canary", instance="1", job="app-server"}[50m])
{group="canary", instance="1", job="app-server"} 0.26666666666666666
eval instant at 50m deriv(http_requests{group="canary", instance="1", job="app-server"}[50m])
{group="canary", instance="1", job="app-server"} 0.26666666666666666
# deriv should return correct result.
eval instant at 50m deriv(testcounter_reset_middle[100m])
{} 0.010606060606060607
# predict_linear should return correct result.
# X/s = [ 0, 300, 600, 900,1200,1500,1800,2100,2400,2700,3000]
# Y = [ 0, 10, 20, 30, 40, 0, 10, 20, 30, 40, 50]
# sumX = 16500
# sumY = 250
# sumXY = 480000
# sumX2 = 34650000
# n = 11
# covXY = 105000
# varX = 9900000
# slope = 0.010606060606060607
# intercept at t=0: 6.818181818181818
# intercept at t=3000: 38.63636363636364
# intercept at t=3000+3600: 76.81818181818181
eval instant at 50m predict_linear(testcounter_reset_middle[100m], 3600)
{} 76.81818181818181
# With http_requests, there is a sample value exactly at the end of
# the range, and it has exactly the predicted value, so predict_linear
# can be emulated with deriv.
eval instant at 50m predict_linear(http_requests[50m], 3600) - (http_requests + deriv(http_requests[50m]) * 3600)
{group="canary", instance="1", job="app-server"} 0
clear
# Tests for label_replace.
load 5m
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
# label_replace does a full-string match and replace.
eval instant at 0m label_replace(testmetric, "dst", "destination-value-$1", "src", "source-value-(.*)")
testmetric{src="source-value-10",dst="destination-value-10"} 0
testmetric{src="source-value-20",dst="destination-value-20"} 1
# label_replace does not do a sub-string match.
eval instant at 0m label_replace(testmetric, "dst", "destination-value-$1", "src", "value-(.*)")
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
# label_replace works with multiple capture groups.
eval instant at 0m label_replace(testmetric, "dst", "$1-value-$2", "src", "(.*)-value-(.*)")
testmetric{src="source-value-10",dst="source-value-10"} 0
testmetric{src="source-value-20",dst="source-value-20"} 1
# label_replace does not overwrite the destination label if the source label
# does not exist.
eval instant at 0m label_replace(testmetric, "dst", "value-$1", "nonexistent-src", "source-value-(.*)")
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
# label_replace overwrites the destination label if the source label is empty,
# but matched.
eval instant at 0m label_replace(testmetric, "dst", "value-$1", "nonexistent-src", "(.*)")
testmetric{src="source-value-10",dst="value-"} 0
testmetric{src="source-value-20",dst="value-"} 1
# label_replace does not overwrite the destination label if the source label
# is not matched.
eval instant at 0m label_replace(testmetric, "dst", "value-$1", "src", "non-matching-regex")
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
# label_replace drops labels that are set to empty values.
eval instant at 0m label_replace(testmetric, "dst", "", "dst", ".*")
testmetric{src="source-value-10"} 0
testmetric{src="source-value-20"} 1
# label_replace fails when the regex is invalid.
eval_fail instant at 0m label_replace(testmetric, "dst", "value-$1", "src", "(.*")
# label_replace fails when the destination label name is not a valid Prometheus label name.
eval_fail instant at 0m label_replace(testmetric, "invalid-label-name", "", "src", "(.*)")
# label_replace fails when there would be duplicated identical output label sets.
eval_fail instant at 0m label_replace(testmetric, "src", "", "", "")
clear
# Tests for vector.
eval instant at 0m vector(1)
{} 1
eval instant at 60m vector(time())
{} 3600
clear
# Tests for clamp_max and clamp_min().
load 5m
test_clamp{src="clamp-a"} -50
test_clamp{src="clamp-b"} 0
test_clamp{src="clamp-c"} 100
eval instant at 0m clamp_max(test_clamp, 75)
{src="clamp-a"} -50
{src="clamp-b"} 0
{src="clamp-c"} 75
eval instant at 0m clamp_min(test_clamp, -25)
{src="clamp-a"} -25
{src="clamp-b"} 0
{src="clamp-c"} 100
eval instant at 0m clamp_max(clamp_min(test_clamp, -20), 70)
{src="clamp-a"} -20
{src="clamp-b"} 0
{src="clamp-c"} 70
clear
# Tests for topk/bottomk.
load 5m
http_requests{job="api-server", instance="0", group="production"} 0+10x10
http_requests{job="api-server", instance="1", group="production"} 0+20x10
http_requests{job="api-server", instance="2", group="production"} NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
http_requests{job="api-server", instance="0", group="canary"} 0+30x10
http_requests{job="api-server", instance="1", group="canary"} 0+40x10
http_requests{job="app-server", instance="0", group="production"} 0+50x10
http_requests{job="app-server", instance="1", group="production"} 0+60x10
http_requests{job="app-server", instance="0", group="canary"} 0+70x10
http_requests{job="app-server", instance="1", group="canary"} 0+80x10
eval_ordered instant at 50m topk(3, http_requests)
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="production", instance="1", job="app-server"} 600
eval_ordered instant at 50m topk(5, http_requests{group="canary",job="app-server"})
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="0", job="app-server"} 700
eval_ordered instant at 50m bottomk(3, http_requests)
http_requests{group="production", instance="0", job="api-server"} 100
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="canary", instance="0", job="api-server"} 300
eval_ordered instant at 50m bottomk(5, http_requests{group="canary",job="app-server"})
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="canary", instance="1", job="app-server"} 800
# Test NaN is sorted away from the top/bottom.
eval_ordered instant at 50m topk(3, http_requests{job="api-server",group="production"})
http_requests{job="api-server", instance="1", group="production"} 200
http_requests{job="api-server", instance="0", group="production"} 100
http_requests{job="api-server", instance="2", group="production"} NaN
eval_ordered instant at 50m bottomk(3, http_requests{job="api-server",group="production"})
http_requests{job="api-server", instance="0", group="production"} 100
http_requests{job="api-server", instance="1", group="production"} 200
http_requests{job="api-server", instance="2", group="production"} NaN
# Tests for sort/sort_desc.
clear
load 5m
http_requests{job="api-server", instance="0", group="production"} 0+10x10
http_requests{job="api-server", instance="1", group="production"} 0+20x10
http_requests{job="api-server", instance="0", group="canary"} 0+30x10
http_requests{job="api-server", instance="1", group="canary"} 0+40x10
http_requests{job="api-server", instance="2", group="canary"} NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
http_requests{job="app-server", instance="0", group="production"} 0+50x10
http_requests{job="app-server", instance="1", group="production"} 0+60x10
http_requests{job="app-server", instance="0", group="canary"} 0+70x10
http_requests{job="app-server", instance="1", group="canary"} 0+80x10
eval_ordered instant at 50m sort(http_requests)
http_requests{group="production", instance="0", job="api-server"} 100
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="canary", instance="0", job="api-server"} 300
http_requests{group="canary", instance="1", job="api-server"} 400
http_requests{group="production", instance="0", job="app-server"} 500
http_requests{group="production", instance="1", job="app-server"} 600
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="2", job="api-server"} NaN
eval_ordered instant at 50m sort_desc(http_requests)
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="production", instance="1", job="app-server"} 600
http_requests{group="production", instance="0", job="app-server"} 500
http_requests{group="canary", instance="1", job="api-server"} 400
http_requests{group="canary", instance="0", job="api-server"} 300
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="production", instance="0", job="api-server"} 100
http_requests{group="canary", instance="2", job="api-server"} NaN
# Tests for holt_winters
clear
# positive trends
load 10s
http_requests{job="api-server", instance="0", group="production"} 0+10x1000 100+30x1000
http_requests{job="api-server", instance="1", group="production"} 0+20x1000 200+30x1000
http_requests{job="api-server", instance="0", group="canary"} 0+30x1000 300+80x1000
http_requests{job="api-server", instance="1", group="canary"} 0+40x2000
eval instant at 8000s holt_winters(http_requests[1m], 0.01, 0.1)
{job="api-server", instance="0", group="production"} 8000
{job="api-server", instance="1", group="production"} 16000
{job="api-server", instance="0", group="canary"} 24000
{job="api-server", instance="1", group="canary"} 32000
# negative trends
clear
load 10s
http_requests{job="api-server", instance="0", group="production"} 8000-10x1000
http_requests{job="api-server", instance="1", group="production"} 0-20x1000
http_requests{job="api-server", instance="0", group="canary"} 0+30x1000 300-80x1000
http_requests{job="api-server", instance="1", group="canary"} 0-40x1000 0+40x1000
eval instant at 8000s holt_winters(http_requests[1m], 0.01, 0.1)
{job="api-server", instance="0", group="production"} 0
{job="api-server", instance="1", group="production"} -16000
{job="api-server", instance="0", group="canary"} 24000
{job="api-server", instance="1", group="canary"} -32000