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nottrobin/juju-first-machine-number.sh

Last active April 27, 2018 03:53
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Get the machine number for the first unit of a juju service
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juju-first-machine-number.sh
#!/usr/bin/env bash
# Get the machine number for the first unit of a juju service
# Requires:
# - `jq` (http://stedolan.github.io/jq/)
# Usage:
# $ juju-machine-number.sh my-awesome-service
# 12
service_name=${1}
juju status --format json | jq -r '.services|.["'${service_name}'"]|.["units"]|.["'${service_name}'/0"]|.["machine"]'
@notjames
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notjames commented Apr 27, 2018 •
edited
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A more proper way:

juju status --arg service_name $service_name --format json | jq -r '.services|.["$service_name"]|.["units"]|.["$service_name"]|.["machine"]'

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