During Covid, I let my Google Cloud certification lapse. Recently, Google Cloud offered me a free exam voucher and $500.00 in Google Cloud credits provided I pass. I accepted their challenge. I have been working in Google Cloud for more… Continue Reading →
This article is a journal of my path to take the Google Professional Cloud Security Engineer Recertification. I plan to track my progress, resources and post exam tips. Date created: March 2, 2021 Last updated: March 7, 2021 Exam Completed:… Continue Reading →
Introduction A common practice in Google Cloud is to create one or more service accounts to authorize the Google Cloud CLI. Using service accounts is recommended by Google instead of user accounts. However, a service account JSON or P12 file… Continue Reading →
I think that Google has done a nice job creating certification badges. Certify with Google Cloud and G Suite and get your own badges. Google Cloud Certified John HanleyI design software for enterprise-class systems and data centers. My background is… Continue Reading →
Date created: April 17, 2019 Last updated: April 19, 2019 Introduction Redis (REmote DIctionary Server) is one of the most popular databases in the world. Redis is a Key Value dictionary. Google Cloud Memorystore is Google’s managed service for Redis…. Continue Reading →
Today I took the Associate Cloud Engineer exam and passed. The exam was medium difficult. However, I took this exam for granted and I did not study or prepare at all. This exam is not a “walk in the park”…. Continue Reading →
This month I completed two beta Google certification exams (Security, Network) with another exam scheduled for March 11th. In preparing for these exams I realized that it is important to master a number of GCP topics/subjects. These topics become your… Continue Reading →
Date created: February 10, 2019 Last updated: March 13, 2019 Update: March 13, 2019. I passed this certification. Update: February 21, 2019. Bad news. My work schedule has been so long each day that I have not been able to… Continue Reading →
Date created: January 30, 2019 Last updated: March 2, 2021 Exam Completed: February 15, 2019 Part 1: Introduction Part 2: Post Exam Review Part 3: Daily Study Part 4: Tips and Advice Part 5: Final Exam Update March 29, 2019…. Continue Reading →
In my earlier article on how to test Google OAuth 2.0 flows from the command line I showed how to generate Google OAuth 2.0 Access Token, Refresh Token, and ID Token. In this article, I will show how to refresh… Continue Reading →
If you have ever wanted to test Google OAuth 2.0 flows from the command line, you will like this short article. This article is the second version. I wrote a previous article on using curl, but that version did not… Continue Reading →
This article shows how to display a list of Google Cloud Projects that you have access to list. This article includes two examples in Python that use two different Google Cloud Python libraries. These examples produce the same output as the… Continue Reading →
Google Cloud IAM supports several member types that can be authorized to access Google Cloud resources. The following member types can be added to Google Cloud IAM to authorize access to your Google Cloud Platform services. Google IAM Member Types:… Continue Reading →
The following example shows several important steps to call Google Cloud APIs without using an SDK in Python. Similar code works in just about any language (c#, java, php, nodejs). Change the source code with the filename of your service… Continue Reading →
I have written a number of articles about Google Cloud Credentials. For Service Account credentials, there are two on-disk formats: P12 and Json. This article shows how to convert these credentials from P12 to Json.
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############################################################ # Version 1.00 # Date Created: 2018-12-22 # Last Update: 2018-12-22 # https://www2.jhanley.com # Copyright (c) 2018, John J. Hanley # Author: John Hanley ############################################################ ''' This program converts Google Service Account credentials from P12 format into Json format. The critical items to know: Service Account Email address that matches the service account credentials. If this is wrong, the credentials won't work (P12 or Json). Project ID. P12 Password. ''' import json import OpenSSL.crypto # This is the output file with the generated service account credentials from P12 credentials json_filename = 'service-account.json' # Details on the Google Service Account. The email must match the Google Console. project_id = 'development-123456' sa_filename = 'compute-engine.p12' sa_password = 'notasecret' sa_email = 'development-123456@developer.gserviceaccount.com' # client_id is the 'Unique ID' in the Google Console under 'Service account details' # This value is unique per service account email # Optional client_id = '123456789064738430393' # pkey_id is the 'Key ID' in the Google Console under 'Service account details' # This value is unique per key. One serice account can have more than one key issued # Optional pkey_id = 'e13865c612a34567abcdef1a8753d1c6789abcdb' def load_private_key(p12_path, p12_password): ''' Read the private key and return as base64 encoded ''' # print('Opening:', p12_path) with open(p12_path, 'rb') as f: data = f.read() # print('Loading P12 (PFX) contents:') p12 = OpenSSL.crypto.load_pkcs12(data, p12_password) # Dump the Private Key in PKCS#1 PEM format key = OpenSSL.crypto.dump_privatekey( OpenSSL.crypto.FILETYPE_PEM, p12.get_privatekey()) # return the private key return key def my_encode(s): ''' This routine encodes the Json 'client_x509_cert_url' ''' # Replace @ with %40 return s.replace('@', '%40') # Generate the cert_url cert_url = 'https://www.googleapis.com/robot/v1/metadata/x509/' + sa_email # Load the private key from P12 pkey = load_private_key(sa_filename, sa_password) # Json that will be writting to json_filename sa = { "type": "service_account", "project_id": project_id, "private_key_id": pkey_id, "private_key": pkey.decode('utf-8'), "client_email": sa_email, "client_id": client_id, "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": my_encode(cert_url) } with open(json_filename, 'w') as outfile: json.dump(sa, outfile, indent=2) |
John HanleyI design… Continue Reading →
Google Service Account Credentials are available in two file formats: Json and P12. P12 is also known as PFX. The following code shows how to process a P12 file and split into Private Key and Certificate. This code also works… Continue Reading →
Google Service Account Credentials are available in two file formats: Json and P12. P12 is also known as PFX. The following code shows how to use P12 credentials to list the buckets in Google Cloud Storage without using an SDK…. Continue Reading →
Introduction If you have ever wanted to test Google OAuth 2.0 flows from the command-line, you will like this short article. [Update: I thought about the problem below with the copy and paste requirement. I created a simple python web… Continue Reading →
This article is written for Windows, but the same principles apply to Linux and Mac. A service account is a special Google account that is used with applications or services, such as Google Compute Engine. Service account credentials are stored… Continue Reading →
Google Cloud stores your credentials in a database on your system. These credentials can then be used over and over. Google’s choice of a database means that the CLI and SDK tools can manage a huge number of credentials efficiently…. Continue Reading →
In this article, we will download and install the Google gcloud CLI. Then we will set up gcloud with Google Service Account credentials. This article is for Windows-based systems but the same principles apply to Linux and Mac systems. Step… Continue Reading →
This article is written for Windows, but the same principles apply to Linux and Mac. I need to work with multiple Google Cloud accounts and be able to easily switch my credentials between accounts. For those of you with AWS… Continue Reading →
On October 23, 2018, Google introduced private DNS zones for Google Cloud DNS. This is an important announcement as this keeps internal DNS names private. Today’s article covers how to implement this new feature in Google Cloud Platform. Update: May… Continue Reading →
Google Cloud supports a Cloud Billing Catalog API. I have not worked with this API yet. Today, I plan to experiment. Documentation page to get started with Google Cloud Platform Pricing: Get Google Cloud Platform Pricing Information This API requires… Continue Reading →
In Google Cloud I often use Debian 9 Stretch for my test instances. Today I was wondering if this OS automatically resizes the root file system if I resize the VM instance disk. I also want to see if this… Continue Reading →
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