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Phil (aka MP3Monster)'s Blog

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Phil (aka MP3Monster)'s Blog

Tag Archives: configuration

API Platform – Developer Portal Delegated Authentication

18 Monday Nov 2019

Posted by mp3monster in API Platform CS, Oracle, Technology

≈ 2 Comments

Tags

API, APIPlatformCS, Cloud Service, configuration, developer, federated, IDCS, login, OAuth, Oracle, portal

The API Platform when you configure IDCS to provide the option to authenticate users against a corporate Identity Provider such as Active Directory will automatically update the Management Portal Login screen accordingly. However today it doesn’t automatically update the Developer Portal login page.  Whilst perhaps an oversight, it is very easy to fix manually when you know how. As result you can have a login that looks like:

The rest of this blog will show what’s needed to fix the problem.

Continue reading →

Mastering FluentD configuration syntax

19 Thursday Sep 2019

Posted by mp3monster in Cloud, FluentD, General, Technology

≈ Leave a comment

Tags

configuration, Fluentbit, FluentD, google, GPC, monitoring, observability, OKE, slack

Getting to grips with FluentD configuration which describes how to handle logging event(s) it has to process can be a little odd (at least in my opinion) until you appreciate a couple of foundation points, at which point things start to click, and then you’ll find it pretty easy to understand.

It would be hugely helpful if the online documentation provided some of the points I’ll highlight upfront rather than throwing you into a simple example, which tells you about the configuration but doesn’t elaborate as deeply as may be worthwhile. Of course, that viewpoint may be born from the fact I have reviewed so many books I’ve come to expect things a certain way.

But before I highlight what I think are the key points of understanding, let me make the case getting to grips with FluentD.

Why master FluentD?

FluentD’s purpose is to allow you to take log events from many resources and filter, transform and route logging events to the necessary endpoints. Whilst is forms part of a standard Kubernetes deployment (such as that provided by Oracle and Azure for example) it can also support monolithic environments just as easily with connections working with common log formats and frameworks. You could view it as effectively a lightweight (particularly if you use FluentBit variant which is effectively a pared-back implementation) middleware for logging.

If this isn’t sufficient to convince you, if Google searches are a reflection of adoption, then my previous post reflecting upon Observability -London Oracle Developer Meetup shows a plot reflecting the steady growth.  This is before taking into account that a number of cloud vendors have wrapped Fluentd/fluentbit into their wider capabilities such as Google (see here).

Not only can you see it as middleware for logging it can also have custom processes and adapters built through the use of Ruby Gems, making it very extensible.

FluentD

Remember these points

and mastering the config should be a lot easier…

Continue reading →

Ansible Book Review Part 4

14 Saturday Mar 2015

Posted by mp3monster in Book Reviews, Books, Packt, Technology

≈ 1 Comment

Tags

Ansible, automation, AWS, book, Chef, configuration, deployment, DigitalOcean, Docker, Hadoop, Packt, Packt Publishing, Puppet, Puppet Labs, review

This the final part of the detailed look at Packt book, Learning Ansible. As the book says in the opening to chapter 6 we’re into the back straight, into the final mile. The first of  two final  chapters look at provisioning of platforms on Amazon AWS, DigitalOcean and the use of the very hip and cool Docker plus updating your inventory of systems given that we have dynamically introduced new ones.  The approach is illustrated by not only instantiating servers but delivering a configured Hadoop cluster. As with everything else we’ve seen in Ansible there isn’t a standardised approach to all IaaS platforms as that restricts you the lowest common denominator which is contrary to Ansible goals described early on. But deploying the Hadoop elements on the two cloud IaaS providers is common.  Although the chapter is pretty short, I did have to read through this more carefully, as the book leverages a lot of demonstrated features from previous chapters (configuration arrays etc) which meant seeing the key element of the interaction with AWS was harder. It does mean if you tried diving into this chapter straight away, although not impossible does require a bit more investment from the reader to see all the value points. That said it is great to see through the use of the various features how easy to setup the provisioning in the cloud is, and the inventory update. Perhaps the win would have been to just so the simple provision and then the clever approach.

Chapter 7 focuses on Deployment. When I read this, I was a little nonplussed, hadn’t we been reading about this in the previous 6 chapters. But when you look at the definition provided:

“To position (troops) in readiness for combat, as along a front or line.”
Excerpt From: “Learning Ansible.” Packt Publishing. 

You can start to see the true target of what we’re really thinking about, which is the process of going from software build to production readiness. So having  gone through the software packaging activities you need to orchestrate the deployment across potentially multiple servers across a server farm. This orchestration piece is really just pulling together everything that has been explained before but also share some Ansible best practise. Then finally an examination of the Ansible approach for the nodes to pull deployments and updates.

The final piece of the book is an Appendix which looks at the work to bring Ansible to the Windows platform, Ansible Galaxy and Ansible Tower.  Ansible Galaxy is a repository of roles build by the Ansible community. Ansible Tower provides a web front end to the Ansible server. The Tower product is the commercial side of the Ansible company – and effectively sales here fund the full time Ansible development effort.

Ansible Tower

So to summarise …

The Learning Ansible book explains from first principles to the very rich capabilities of building packaging software, instantiating cloud servers or containers through to configuring systems and deploying applications into new environments; and then capturing instantiated system details into the Ansible inventory. How Ansible compares with the more established solutions in this space in the form of Puppet and Chef is discussed, and the pros and cons of the different tools. All the way through, the books has been written in an easy engaging manner. You might even say wonderfully written. The examples are very good with the possible exception of 2 cases (just merely good in my opinion), the examples are supported with very clear explanations that demonstrate the power of the Ansible product. Even if you choose not to use Ansible, this book does an excellent job of showing the value of not resorting to the ‘black art’ of system build and configuration and suggesting good ways to realising automation of this kind of activity, in many place undoubtedly thought provoking

 

 

Prior Review Parts:

  • Part 1
  • Part 2
  • Part 3

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