Firebase private key file as environment variable

newbie

4/14/24, 6:42 AM

I'm very new to Ubuntu and developing a project based on firebase firestore database. Trying to run services on ubuntu server 22.04. I can connect firestore database (in windows I can do this by using environment variables also) with a private key file and I want to keep this file secret. To achieve this, created a file with secret and referenced it in my service config file like this.

[Unit]
Description=myservice

[Service]
Type=simple
Restart=always
RestartSec=5sec
EnvironmetnFile=/etc/mysecrets/mysecret

[Install]
WantedBy=multi-user.target

It's working for small variables like

MYSECRET=111111

But not working a file like the following

    MYSECRET= {
  "type": "service_account",
  "project_id": "my-project-id",
  "private_key_id": "1234567890abcdef",
  "private_key": "-----BEGIN PRIVATE KEY-----\nMIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDzq3MW0BWT4skj\n6pSG0ZXl...U6XyUrhRz\n-----END PRIVATE KEY-----\n",
  "client_email": "[email protected]",
  "client_id": "1234567890abcdef",
  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
  "token_uri": "https://oauth2.googleapis.com/token",
  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/my-project-id%40my-project-id.iam.gserviceaccount.com"
}

private_key will be 1700+ chacter long with \n characters.

How can I create a secure secret file with such a big information in Ubuntu server? Any idea?

PS: This is not a real or valid private key file

282

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server

bash

environment-variables

services

json

muru

4/14/24, 7:12 AM

Try https://stackoverflow.com/a/70825379/2072269

newbie

4/14/24, 10:27 AM

Thanks for the idea. It solved my issue too.

Score:1

Ubuntu

newbie

4/14/24, 10:29 AM

Like muru told above comment, single quota solved my problem. I've just typed secret like this and now works like a charm.

This answer solved my issue.

MYSECRET= '{
  "type": "service_account",
  "project_id": "my-project-id",
  "private_key_id": "1234567890abcdef",
  "private_key": "-----BEGIN PRIVATE KEY-----\nMIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDzq3MW0BWT4skj\n6pSG0ZXl...U6XyUrhRz\n-----END PRIVATE KEY-----\n",
  "client_email": "[email protected]",
  "client_id": "1234567890abcdef",
  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
  "token_uri": "https://oauth2.googleapis.com/token",
  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/my-project-id%40my-project-id.iam.gserviceaccount.com"
}'

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