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prometheus offline data recorder and backfiller

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Cleafy/promqueen

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PromQueen made possible to recordprometheus metrics offline.PromQueen can, therefore, backfill the recorded data inside a nativeprometheus database.

PromQueen is composed of two primary tools:

  • promrec tapes the metrics in a specified output file.
  • promplay backfills theprometheus database from scratch.

Build instructions (Linux/OSX)

Clone this repository in your$GOPATH:

$ mkdir -p $GOPATH/src/github.com/Cleafy$ cd $GOPATH/src/github.com/Cleafy$ git clone https://github.com/Cleafy/promqueen.git

Use Go package managerdep to install the required dependencies:

$ cd $GOPATH/src/github.com/Cleafy/promqueen$ dep ensure

To buildpromrec:

$ cd $GOPATH/src/github.com/Cleafy/promqueen/bin/promrec$ go build

To buildpromplay:

$ cd $GOPATH/src/github.com/Cleafy/promqueen/bin/promplay$ go build

Usage

PromREC

usage: promrec [<flags>]Flags:      --help              Show context-sensitive help (also try --help-long and --help-man).      --debug             Enable debug mode.      --gzip              Enable gzip mode.  -i, --interval=60s      Timeout waiting for ping.  -u, --umap=UMAP ...     stringmap [eg. service.name=http://get.uri:port/uri].  -o, --output="metrics"  Output file.      --version           Show application version.

PromPLAY

usage: promplay [<flags>]Flags:      --help                 Show context-sensitive help (also try --help-long and --help-man).      --debug                Enable debug mode. (VERY VERBOSE!)      --verbose (-v)         Enable info-level message      --nopromcfg            Disable the generation of the prometheus cfg file (prometheus.yml)  -d, --dir="/tmp"           Input directory.      --version              Show application version.      --storage.path="data"  Directory path to create and fill the data store under.      --storage.retention-period=360h                             Period of time to store data for      --storage.checkpoint-interval=30m                             Period of time to store data for      --storage.checkpoint-dirty-series-limit=10000                             Period of time to store data for

Environment variables

PROM_ARGS: The argument for the promqueen service. Output, interval and at least one service is mandatory.

  • E.g. --output=/var/log/promqueen/metrics/metrics.prom --interval=30s -u serviceName1=URL1 -u serviceName2=URL2 ...

ROTATION_FILE_LOG: where the rotation should occurr. Must be the same of the "output" parameter in PROM_ARGS

ROTATION_PERIOD: how frequently a rotation will occurr. Default: "daily"

ROTATION_COUNT: how many rotation will be retained. Default: 10

ROTATION_SIZE: how big each rotation file will be in bytes. -1 means no limit. Default: -1. E.g. 100M

docker run -d --network=host --name promqueen \-e ROTATION_FILE_LOG="/var/log/promqueen/metrics/metrics.prom" \-e PROM_ARGS="--output=/var/log/promqueen/metrics/metrics.prom --interval=30s -u service1=URL1 -u service2=URL2" \ promqueen_image

Notes

As of todayPromQueen only supports backfilling insideprometheus local storage. New storage types such as influxdb are not supported.

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