Security, software development and devops in a cloud world

Category Google

DNS: Solving Google Managed SSL Certificate Issue Problems

This article discusses DNS configuration problems that prevent Google-managed SSL certificates from being issued for Global HTTP(S) Load Balancers. How do you detect that there is a problem with a Google-managed SSL certificate? The certificate status is Provisioning. The Domain… Continue Reading →

Laravel – Redirecting HTTP to HTTPS

Introduction Once you have an SSL certificate configured, the next step is to redirect unencrypted traffic. There are several methods of doing this. Within your application (Laravel), by the web server (Apache or Nginx) or by the frontend (load balancer)…. Continue Reading →

Terraform – Experiments with Google Cloud DNS and IAM

Introduction I am currently preparing to recertify for the Google Professional Cloud Security Engineer Certification. I previously scheduled the HashiCorp Certified: Terraform Associate on March 29, 2021 at 3 PM. Maybe I will take both exams on the same day…. Continue Reading →

Google Professional Cloud Security Engineer Recertification

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 →

Google Cloud Run – Debugging an ASP.NET Core Time Zone Issue

Introduction I am writing ASP.NET Core code for an automated cloud directory synchronization process that will run on Google Cloud Run and Kubernetes. This code requires the current date and time in the local time zone. Simple problem, or so… Continue Reading →

Google Cloud – Improving Security with Impersonation

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 →

PowerShell – Impersonate Google Service Account

Introduction This article shows how to impersonate a service account from user account credentials. To understand how to set up everything, read the companion article: Google Cloud – Improving Security with Impersonation Save the following PowerShell script as a file… Continue Reading →

Google Cloud Compute – Mastering SSH

Introduction One of the more frequent problems on Stackoverflow is Compute Engine SSH. This article will dive into how SSH is configured on Compute Engine and how to connect using various SSH tools. I will also cover how to create… Continue Reading →

Cloud Storage Bytes – New Training Videolab

This training videolab is a collection of videos Google Cloud created by Jennifer Brown @jbrojbrojbro. Jennifer is a Google Cloud Developer Advocate and a Google employee. Her videos are very good and average about 3 minutes each. This lab combines… Continue Reading →

Get Cooking in Cloud – New Training Videolab

Introduction This training videolab is a collection of videos Google Cloud created by Priyanka Vergadia @pvergadia. Priyanka is a Google Cloud Architect and a Google employee. Her videos are very good and average about 5 minutes each. This lab combines her… Continue Reading →

Google Cloud SQL for MySQL – Connection Security, High Availability and Failover

Introduction Designing an application that incorporates Google Cloud SQL requires some thought. There are several factors to consider regarding security, performance, fault tolerance and availability. Incorrectly implementing one of these areas can affect the other areas, usually negatively. In this… Continue Reading →

Google Cloud SQL Proxy – Installing as a Service on GCE

Introduction Google Cloud SQL Proxy provides secure access to Cloud SQL Second Generation instances without having to whitelist IP addresses or configure SSL. Cloud SQL Proxy provides several important benefits: Secure connections: The proxy automatically encrypts traffic to and from the database using TLS… Continue Reading →

Google Cloud Run Deep Dive – Understanding the APIs – Part 2

Introduction This article discusses mapping custom domains for Google Cloud Run Managed. In a future article, I will cover Google Cloud Run on GKE. Google Cloud Run supports using a custom domain rather than the default address provided for a… Continue Reading →

Google Cloud Run Deep Dive – Understanding the APIs – Part 1

Introduction To understand Google Cloud Run, you must peel back the layers and look at the interfaces that the API offers. Understanding the API will provide you with a better understanding of the features and capabilities. If your goal is… Continue Reading →

Google Cloud Platform – Getting Started

Introduction Google Cloud Platform is a suite of cloud computing services. Google has everything from storage, compute, database, big data to AI and everything in between. I am often asked how do I get started with Google Cloud. In this… Continue Reading →

Google Cloud Run – Minimizing Cold Starts

Introduction This article discusses Google Cloud Run cold starts, what they are and how to avoid cold starts. What is Cold Start? Cloud Run is a stateless HTTP serverless container service that provides on-demand services that autoscales to zero instances…. Continue Reading →

Google Cloud – HTTP Load Balancer File Upload Error

Introduction This article is about how to upload files to Compute Engine fronted by a Google HTTP Load Balancer and how to diagnose and correct file upload timeouts. The result is a better understanding of how to configure the Google… Continue Reading →

Google Cloud Shell – CLI in Go

Google Cloud Shell CLI Written in Go This is a placeholder until I write this article. I have published the source code on GitHub. Note: This program is written for Windows. I have not yet ported it to Linux or… Continue Reading →

Google Cloud Run – Simple File Server in Go

Introduction This article shows how to serve files with Google Cloud Run. There are a few reasons to use Cloud Run instead of Google Cloud Storage. To learn how to deploy a simple file sharing service using Cloud Run. To… Continue Reading →

Google Cloud and Go – My Journey to Learn a new Language in 30 days

Part 1: Introduction Today I decided to learn Go in the next 30 days and document every step of my journey. How well will I know Go in 30 days? That is a difficult question and by logging the steps,… Continue Reading →

Google Cloud Asset Inventory – Reverse Engineering an API

Introduction This article describes a missing item from the articles and documentation on Google Cloud Asset Inventory. The item is the header X-Goog-User-Project. I am writing this article to show how I figured this out, so you have another method… Continue Reading →

Google Cloud Run – Identity

Introduction Sometimes your Google Cloud Run app needs to communicate with or consume other services. This can be a simple as reading an object in Cloud Storage, sending an email, or connecting to a database. What identity does Cloud Run use?… Continue Reading →

Google Cloud Run – Pricing

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 Developers Experts – Cloud Platform

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 →

Google Cloud Run – HTTPS – Part 2

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 →

Google Cloud Run – HTTPS – Part 1

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 →

Google Cloud – Backup Bitnami WordPress

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 →

Google Cloud – HTTP Load Balancer and IPv6

  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 →

Google Cloud Run – Getting Started with Python and Flask

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 →

Google G Suite – How to Analyze an Email Ransom Demand

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 →

Google G Suite – Sender Policy Framework – SPF

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 →

Google Domains – Purchasing a Domain Name

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 →

Google Cloud Certification Badges

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 →

Google Cloud Memorystore – Redis

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 →

Google Cloud Certified – Associate Cloud Engineer

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 →

Google Compute – Stackdriver Logging – Installation, Setup & Debugging

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 →

Google Cloud – Compute Engine Service Accounts

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 →

Google Cloud – The Master Series

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 →

Google Professional Cloud Network Engineer Certification

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 →

Google Professional Cloud Security Engineer Certification

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 →

Google OAuth 2.0 – Testing with Curl – Refresh Access Token

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 →

Google OAuth 2.0 – Testing with Curl – Version 2

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 →

Google Cloud IAM – Listing Projects

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 – Member Types

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 →

Google Cloud – Creating OAuth Access Tokens for REST API Calls

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 →

Google Cloud – Converting Service Account Credentials from P12 to Json Format

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.

  John HanleyI design… Continue Reading →

Google Cloud – Extracting Private Key from Service Account P12 Credentials

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 →

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