Category Google
Introduction Google Cloud Run charges you for the resources you use when you use them. No long running compute instances, just on-demand services. There are several components to Cloud Run services. In this article, we will look at each one…. Continue Reading →
Google Experts Program Google has honored me with Google Developers Experts Cloud Platform. I am the twentieth expert in North America. This is a global program to recognize individuals who are experts and thought leaders in one or more Google… Continue Reading →
Introduction This article discusses HTTP to HTTPS redirection in software. I will show you one method of server-side redirects in Python 3 and Flask. I will start by analyzing the HTTP headers received by a Cloud Run container application and… Continue Reading →
Introduction This article discusses HTTP to HTTPS redirection as implemented by Google Cloud Run. Today, all websites should deliver traffic over HTTPS. Google Cloud has adopted this policy providing HTTPS for Cloud Run service URLs with automatic redirects from HTTP to… Continue Reading →
Introduction My personal website which covers articles about Google Cloud has been growing both in traffic and content. After I wrote my article Google Professional Cloud Security Engineer Certification, my website lit up with traffic and has continued to grow…. Continue Reading →
Introduction This article covers how to add IPv6 to a load balancer on Google Cloud and create the correct DNS resource records. Google Compute Engine does not support IPv6, so this requires that a Google HTTP Load Balancer (and… Continue Reading →
Introduction On August 15, 2018, Google released the Alpha release of Google Cloud Run. Many of us saw the potential and went to work learning this new platform. Everything serverless gets our attention. Cloud Run is Google’s entry into serverless… Continue Reading →
Introduction Date created: May 7, 2019 Last updated: May 7, 2019 Today I received an email titled “jhanley@www2.jhanley.com has been hacked, change your password ASAP”. The hacker claims to know my login and password, has full control over my account… Continue Reading →
Gmail stats graphic courtesy Google Security Blog Introduction One of the major problems with email is email spam. Spammers impersonate your identity to send emails that appear to be sent from your email server. This is a major problem that… Continue Reading →
For the articles on this site, I often create subdomains for testing. This is neither safe nor secure and a mistake could take down my entire domain. Therefore, I purchased another domain just for testing: jhanley.dev. This article covers purchasing… 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 →
Date created: March 10, 2018 Last updated: September 12, 2019 Google Stackdriver is a very good product for monitoring and logging your compute instances on Google Cloud, AWS, Azure, Alibaba, etc. This article covers Stackdriver logging for Google Compute instances… Continue Reading →
Date created: March 1, 2019 Last updated: March 3, 2019 Note: This article is evolving as I document my deep dive. Contents: Introduction March 1, 2019 – Day #1 – Basics and FAQ March 2, 2019 – Day #2 – Auditing, Alerting & Stackdriver… 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 →