Platform Engineering

We regularly write about our technical experiences (good and bad) and what we're learning from the market.

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Separation of Concerns: Logic App from ARM Template

Posted by Justin Yoo on 13 June 2018

Logic Apps, ARM Templates, Separation of Concerns, Blog, Technology, Architecture, Latest Post

Introduction

Azure Logic App is a set of workflow definitions, which is written in JSON format. The nature of JSON object results in this being tightly bound with ARM template. In other words, the Logic App has a dependency on an ARM template. Due to these characteristics, when any update is made on the workflow, the...

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Converting UTC to Local Time via Azure Functions and Logic Apps

Posted by Justin Yoo on 05 February 2018

UTC, Time Zone, Azure Functions, Logic Apps, Technology, Blog

In many information system development scenarios, including integration scenarios, handling date/time value is always problematic. If your information systems reside in your office or data centre located in your area, that won’t bring about too much trouble. However, if your organisation runs applications in several...

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Externalising Business Rules on Azure Logic Apps using Liquid Templates

Posted by Paco de la Cruz on 17 January 2018

Logic Apps, Liquid Templates, Business Rules Engine, Technology, Blog

Introduction

In Azure Logic Apps workflows, you can implement conditions and switch cases to control the flow based on runtime inputs and outputs. This functionality is quite useful, and in many cases, can be used to implement the business rules required. However, those business rules are inherent to the workflow, and...

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List of Access Keys from Output Values after ARM Template Deployment

Posted by Justin Yoo on 05 January 2018

ARM Templates, Application Insights, Cosmos DB, Service Bus, Storage Account, Azure Functions, Logic Apps, Technology, Blog

There are many cases that we need to retrieve access keys and/or endpoints of Azure resources, as soon as they are deployed through ARM templates. Typical uses cases are:

  1. To display those values in the outputs section of ARM templates,
  2. To get a reference to the outputs section of nested ARM templates from their...
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SOAP over Azure API Management, Logic Apps and Functions

Posted by Justin Yoo on 11 December 2017

SOAP, WSDL, Azure API Management, Logic Apps, Azure Functions, WCF, Technology, Blog

When we work for a service integration project for a customer’s information systems, not all systems use cutting-edge technologies. Rather, still many information systems use legacy ways to get integration works done. For example, some legacy applications still drop files to a designated folder so that other...

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Logic Apps: Correlation and Message Dependency Management on Logic Apps with Service Bus

Posted by Prasoon Madnawat on 09 December 2017

Logic Apps, Azure, Correlation, Service Bus, Dependency Management

 

While working on an integration project, we came across a very interesting requirement of sequencing file fed to a system based on pre-defined dependencies. This problem was complex because the target system did not want to see a file in S3 bucket (or blob container) unless the system has already processed and...

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Publishing Custom Queries of Logic Apps Execution Logs

Posted by Paco de la Cruz on 07 December 2017

Logic Apps, Monitoring, Azure Log Analytics, Technology, Blog

In a previous post, I showed how to implement Business Activity Monitoring for Logic Apps. However, sometimes developers, ops, or business users want to query execution logs to get information about the processing of business messages. Whether for troubleshooting or auditing, there are some questions these personas...

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Securing SAS Token from Azure Logic Apps

Posted by Justin Yoo on 07 December 2017

Logic Apps, Azure API Management, Azure Functions, SAS Token, Technology, Blog

When we are using Azure Logic Apps, especially HTTP trigger, their endpoint URLs are overwhelmingly long. Here is an example:

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Business Activity Monitoring on Azure Logic Apps with Azure Log Analytics

Posted by Paco de la Cruz on 03 December 2017

Azure, Logic Apps, Monitoring, BAM, Business Activity Monitoring, Azure Log Analytics, Technology, Blog

Introduction

Azure Logic Apps provide built-in monitoring tools that allow you to check the run history (including all inputs and outputs of triggers and actions), trigger history, status, performance, etc. Additionally, you can enable diagnostic logging on your Logic Apps and send all these runtime details and events...

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Preparing Azure Logic Apps for CI/CD using ARM Templates

Posted by Paco de la Cruz on 11 October 2017

Azure, Logic Apps, Continuous Integration, ARM Templates, Technology, Blog

Introduction

Logic Apps can be created from the Azure Portal, or using Visual Studio. This works well if you want to create one Logic App at a time. However, if you want to deploy the same Logic App in multiple environments, e.g. Dev, Test, or Production, you want to do it in an automated way. Azure Resource Manager...

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