Merge pull request #1619 from prometheus/threshold_vars

Add unittest for using a metric for thresholds with group_left.
This commit is contained in:
Brian Brazil 2016-05-08 17:11:06 +01:00
commit ba87e2d8c1

View file

@ -226,6 +226,9 @@ load 5m
load 5m
random{foo="bar"} 1
load 5m
threshold{instance="abc",job="node",target="a@b.com"} 0
# Copy machine role to node variable.
eval instant at 5m node_role * on (instance) group_right (role) node_var
{instance="abc",job="node",role="prometheus"} 2
@ -290,3 +293,16 @@ eval instant at 5m node_cpu + on(dummy) group_left(foo) random*0
{instance="abc",job="node",mode="user",foo="bar"} 1
{instance="def",job="node",mode="idle",foo="bar"} 8
{instance="def",job="node",mode="user",foo="bar"} 2
# Use threshold from metric, and copy over target.
eval instant at 5m node_cpu > on(job, instance) group_left(target) threshold
node_cpu{instance="abc",job="node",mode="idle",target="a@b.com"} 3
node_cpu{instance="abc",job="node",mode="user",target="a@b.com"} 1
# Use threshold from metric, and a default (1) if it's not present.
eval instant at 5m node_cpu > on(job, instance) group_left(target) (threshold or on (job, instance) (sum by (job, instance)(node_cpu) * 0 + 1))
node_cpu{instance="abc",job="node",mode="idle",target="a@b.com"} 3
node_cpu{instance="abc",job="node",mode="user",target="a@b.com"} 1
node_cpu{instance="def",job="node",mode="idle"} 8
node_cpu{instance="def",job="node",mode="user"} 2