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Obtain a Service Principal in bash using the Azure Cli 2.0
#!/bin/bash
# Interactively create an Azure Service Principal for any of your subscriptions
# Author: Bruno Medina (@brusmx)
# Requirements:
# - Azure Cli 2.0
#
# Example of usage:
# chmod +x obtainSP.sh
# ./obtainSP.sh
echo "Obtain a Service Principal for one of your Azure Subscriptions."
export ROLE="Contributor"
export DEFAULT_ACCOUNT=`az account show -o tsv`
DEFAULT_ACCOUNT_ID=$(printf %s "$DEFAULT_ACCOUNT" | cut -f2)
if [ ! -z "$DEFAULT_ACCOUNT_ID" ]; then
export DEFAULT_ACCOUNT_NAME=`printf %s "$DEFAULT_ACCOUNT" | cut -f4`
echo "Current subscription (default): \"${DEFAULT_ACCOUNT_NAME}\" (${DEFAULT_ACCOUNT_ID})"
echo ""
export ACCOUNT_LIST=`az account list -o tsv`
export ACCOUNT_LIST_ID=`printf %s "$ACCOUNT_LIST" | cut -f2`
export ACCOUNT_LIST_NAMES=`echo $ACCOUNT_LIST | cut -f4 -d$' '`
export ACCOUNT_LIST_SIZE=`echo "$ACCOUNT_LIST" | wc -l`
echo "Found $ACCOUNT_LIST_SIZE enabled subscription(s) in your Azure Account:"
echo ""
export COUNT=1
IFS=$'\n'
set -f
for line in $(printf %s "$ACCOUNT_LIST"); do
echo "${COUNT}) $(printf %s "$line" | cut -f4 ) || ($(echo $line | cut -f2 ))"
((COUNT++))
done
set +f
unset IFS
echo ""
echo "Select a subscription (1-`expr ${ACCOUNT_LIST_SIZE}`) or press [enter] to continue with the (default) one:"
read selection
echo "Your selection is ${selection}"
if [ -z "$selection" ]; then
export AZURE_SUBSCRIPTION_ID=$DEFAULT_ACCOUNT_ID
elif [ "$selection" -gt 0 ] && [ "$selection" -le "${ACCOUNT_LIST_SIZE}" ]; then
export AZURE_SUBSCRIPTION_ID=$(sed -n ${selection}p <<< "$ACCOUNT_LIST_ID")
else
echo "Incorrect selection, Service Principal not created"
exit 1
fi
echo "Selected ${AZURE_SUBSCRIPTION_ID}"
SP_JSON=`az ad sp create-for-rbac --role="${ROLE}" --scopes="/subscriptions/${AZURE_SUBSCRIPTION_ID}" -o tsv`
export AZURE_CLIENT_ID=`printf %s "$SP_JSON" | cut -f1`
export AZURE_CLIENT_NAME=`printf %s "$SP_JSON" | cut -f3`
export AZURE_CLIENT_SECRET=`printf %s "$SP_JSON" | cut -f4`
export AZURE_TENANT_ID=`printf %s "$SP_JSON" | cut -f5`
echo "Now you can export these as environment variables:"
echo "export AZURE_CLIENT_ID=${AZURE_CLIENT_ID}"
echo "export AZURE_CLIENT_NAME=${AZURE_CLIENT_NAME}"
echo "export AZURE_CLIENT_SECRET=${AZURE_CLIENT_SECRET}"
echo "export AZURE_TENANT_ID=${AZURE_TENANT_ID}"
else
echo "Your subscription couldn't be found, make sure you have logged in."
exit 1
fi
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