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Add metric pass/drop filter

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Thibault Cohen
2016-02-20 00:35:12 -05:00
committed by Cameron Sparr
parent 9ce8d78835
commit d00550c45f
8 changed files with 202 additions and 34 deletions
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28
docs/CONFIGURATION.md
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@@ -58,10 +58,14 @@ you can configure that here.
There are also filters that can be configured per input:
* **pass**: An array of strings that is used to filter metrics generated by the
* **namepass**: An array of strings that is used to filter metrics generated by the
current input. Each string in the array is tested as a glob match against
measurement names and if it matches, the field is emitted.
* **namedrop**: The inverse of pass, if a measurement name matches, it is not emitted.
* **fieldpass**: An array of strings that is used to filter metrics generated by the
current input. Each string in the array is tested as a glob match against field names
and if it matches, the field is emitted.
* **drop**: The inverse of pass, if a field name matches, it is not emitted.
* **fielddrop**: The inverse of pass, if a field name matches, it is not emitted.
* **tagpass**: tag names and arrays of strings that are used to filter
measurements by the current input. Each string in the array is tested as a glob
match against the tag name, and if it matches the measurement is emitted.
@@ -117,18 +121,32 @@ fields which begin with `time_`.
path = [ "/opt", "/home*" ]
```
#### Input Config: pass and drop
#### Input Config: fieldpass and fielddrop
```toml
# Drop all metrics for guest & steal CPU usage
[[inputs.cpu]]
percpu = false
totalcpu = true
drop = ["usage_guest", "usage_steal"]
fielddrop = ["usage_guest", "usage_steal"]
# Only store inode related metrics for disks
[[inputs.disk]]
pass = ["inodes*"]
fieldpass = ["inodes*"]
```
#### Input Config: namepass and namedrop
```toml
# Drop all metrics about containers for kubelet
[[inputs.prometheus]]
urls = ["http://kube-node-1:4194/metrics"]
namedrop = ["container_"]
# Only store rest client related metrics for kubelet
[[inputs.prometheus]]
urls = ["http://kube-node-1:4194/metrics"]
namepass = ["rest_client_"]
```
#### Input config: prefix, suffix, and override