Created
February 3, 2021 23:17
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Read from prometheus and write to influxdb
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#!/bin/bash | |
set -euo pipefail | |
# connecting to prometheus | |
readonly prometheus_uri='localhost:9090' | |
# prometheus query | |
readonly query='sum(irate(metric_total[20s])) without (job)' | |
readonly ts_start=1612280785 | |
readonly ts_end=1612390785 | |
readonly step=10 | |
# connecting to influxdb | |
readonly influxdb_uri='localhost:8086' | |
readonly influxdb_db='db' | |
readonly influxdb_user='writer' | |
readonly influxdb_pw='writer' | |
# influxdb format | |
readonly influxdb_measurement='metric_rate' | |
# 1. read from prometheus (add -v to debug) | |
# 2. convert format | |
# 3. write to influxdb | |
curl --get -fSsL "${prometheus_uri}/api/v1/query_range?start=${ts_start}&end=${ts_end}&step=${step}" --data-urlencode "query=${query}" \ | |
| jq --raw-output ".data.result[] as \$x|\$x.values[]|\"${influxdb_measurement},\" + (\$x.metric|to_entries|sort|map(\"\(.key)=\(.value)\")|join(\",\")) + \" value=\(.[1]) \(.[0])\"" \ | |
| parallel --plain --pipe \ | |
curl -fSsL "${influxdb_uri}/write?db=${influxdb_db}\&u=${influxdb_user}\&p=${influxdb_pw}\&precision=s" --data-binary '@-' |
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