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Advanced Config Docs Updates

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This updates the documentation and README to have information on the
configuration file format.
This commit is contained in:
Solly Ross 2018-06-22 14:49:38 -04:00
parent 40a9ee2474
commit 32e4c5b1c7
3 changed files with 228 additions and 22 deletions
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12
docs/sample-config.yaml
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@ -25,12 +25,12 @@ rules:
matches: "^container_(.*)_seconds_total$"
# specify how to construct a query to fetch samples for a given series
# This is a Go template where the `.Series` and `.LabelMatchers` string values
# are available, and the delimiters are `${` and `}$` to avoid conflicts with
# are available, and the delimiters are `<<` and `>>` to avoid conflicts with
# the prometheus query language
metricsQuery: "sum(rate(${.Series}${${.LabelMatchers}$,container_name!="POD"}[2m])) by (${.GroupBy}$)"
metricsQuery: "sum(rate(<<.Series>>{<<.LabelMatchers>>,container_name!="POD"}[2m])) by (<<.GroupBy>>)"
# this rule matches cumulative cAdvisor metrics not measured in seconds
- seriesQuery: '{__name__=~"^container_.*",container_name!="POD",namespace!="",pod_name!=""}'
- seriesQuery: '{__name__=~"^container_.*_total",container_name!="POD",namespace!="",pod_name!=""}'
resources:
overrides:
namespace: {resource: "namespace"},
@ -39,7 +39,7 @@ rules:
# since this is a superset of the query above, we introduce an additional filter here
- isNot: "^container_.*_seconds_total$"
name: {matches: "^container_(.*)_total$"}
metricsQuery: "sum(rate(${.Series}${${.LabelMatchers}$,container_name!="POD"}[2m])) by (${.GroupBy}$)"
metricsQuery: "sum(rate(<<.Series>>{<<.LabelMatchers>>,container_name!="POD"}[2m])) by (<<.GroupBy>>)"
# this rule matches cumulative non-cAdvisor metrics
- seriesQuery: '{namespace!="",__name__!="^container_.*"}'
@ -50,9 +50,9 @@ rules:
# and `.Resource` strings available. It will also be used to match labels,
# so avoid using template functions which truncate the group or resource.
# Group will be converted to a form acceptible for use as a label automatically.
template: "${.Resource}$"
template: "<<.Resource>>"
# if we wanted to, we could also specify overrides here
metricsQuery: "sum(rate(${.Series}${${.LabelMatchers}$,container_name!="POD"}[2m])) by (${.GroupBy}$)"
metricsQuery: "sum(rate(<<.Series>>{<<.LabelMatchers>>,container_name!="POD"}[2m])) by (<<.GroupBy>>)"
# this rule matches only a single metric, explicitly naming it something else
# It's series query *must* return only a single metric family