#!/usr/bin/env bash

#

# The MIT License

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

# THE SOFTWARE.

#

set -e

DEFAULT_INFLUXDB_DATABASE=my-db

INFLUXDB_DATABASE="${INFLUXDB_DATABASE:-$DEFAULT_INFLUXDB_DATABASE}"

#

# Parse command line arguments

#

EXPORT_URL_ENV_VAR=""

EXPORT_DB_ENV_VAR=""

EXPORT_TOKEN_ENV_VAR=""

while [[ $# -gt 0 ]]; do

case $1 in

--export-url-as)

EXPORT_URL_ENV_VAR="$2"

shift 2

;;

--export-db-as)

EXPORT_DB_ENV_VAR="$2"

shift 2

;;

--export-token-as)

EXPORT_TOKEN_ENV_VAR="$2"

shift 2

;;

*)

echo "Unknown option $1"

exit 1

;;

esac

done

#

# Check prerequisites

#

for cmd in curl jq; do

command -v ${cmd} &>/dev/null || { echo "'${cmd}' is not installed"; exit 1; }

done

echo

echo "Wait to start InfluxDB 3.0"

echo

for i in {1..30}; do

if curl -s -o /dev/null -w "%{http_code}" http://localhost:8181/ping | grep -q "401"; then

break

fi

echo "Attempt $i/30: Waiting for InfluxDB to respond with 401..."

sleep 1

done

echo "Done"

echo

echo "Create admin token"

echo

ADMIN_TOKEN=$(curl -s -X POST http://localhost:8181/api/v3/configure/token/admin | jq -r '.token')

if [[ -z "$ADMIN_TOKEN" || "$ADMIN_TOKEN" == "null" ]]; then

echo "Failed to create admin token"

exit 1

fi

echo "ADMIN_TOKEN=$ADMIN_TOKEN"

echo

echo "Test the token"

echo

HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: Bearer ${ADMIN_TOKEN}" http://localhost:8181/ping)

if [[ "$HTTP_CODE" != "200" ]]; then

echo "Token test failed with HTTP $HTTP_CODE"

exit 1

fi

echo "Done"

echo

echo "Create database"

echo

HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -X POST "http://localhost:8181/api/v3/configure/database" \

-H "Authorization: Bearer ${ADMIN_TOKEN}" \

-H "Content-Type: application/json" \

-d "{\"db\":\"${INFLUXDB_DATABASE}\"}")

if [[ "$HTTP_CODE" != "200" ]]; then

echo "Database creation failed with HTTP $HTTP_CODE"

exit 1

fi

echo "Done"

#

# Export results

#

export_var() {

local var_name="$1" var_value="$2"

[[ -n "$var_name" ]] || return

[[ -n "$BASH_ENV" ]] || { echo "\$BASH_ENV not available (not in CircleCI), cannot export variables."; exit 1; }

echo "Exporting $var_name=$var_value"

echo "export $var_name=$var_value" >> "$BASH_ENV"

}

echo

export_var "$EXPORT_URL_ENV_VAR" "http://localhost:8181"

export_var "$EXPORT_DB_ENV_VAR" "$INFLUXDB_DATABASE"

export_var "$EXPORT_TOKEN_ENV_VAR" "$ADMIN_TOKEN"