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k8s

A collection of 46 posts

Dapr K8s Events Bindings, Kubewatch and AzDO Webhook triggers
dapr

Dapr K8s Events Bindings, Kubewatch and AzDO Webhook triggers

A challenge that has come up for me a few times recently is to monitor kubernetes events.  In several situations I've had the need to trigger things based on changes in a Kubernetes

  • Isaac Johnson
    Isaac Johnson
12 min read
Dapr Part 3: Digging into Secrets
dapr

Dapr Part 3: Digging into Secrets

Dapr provides a basic but very functional secrets abstraction component we can use in our services.  In our last topic we furthered the pub/sub knowledge with a custom perl subscriber.  Today we

  • Isaac Johnson
    Isaac Johnson
11 min read
K0s: Mirantis' tiny k8s distro
k0s

K0s: Mirantis' tiny k8s distro

I was chatting with some folks from Mirantis about Lens and some of their offerings and they highly encouraged me to try out K0s ("K Zeros"). This week I took some time to

  • Isaac Johnson
    Isaac Johnson
16 min read
Revisiting Kubernetes and KEDA
KEDA

Revisiting Kubernetes and KEDA

Let's revisit KEDA (Kubernetes Event Drive Autoscaling) and Azure Functions.  We looked into this last March and did a hello world sample using Dockerhub and a simple function.  Since then, Azure Function Core

  • Isaac Johnson
    Isaac Johnson
10 min read
Kubernetes onPrem: Getting Started
k8s

Kubernetes onPrem: Getting Started

It started as getting a wonderful old retired MacBook Pro from my brother.  I thought "Why not make a real x86 k8s cluster?".  Using K3s is easy so let's get started.  For the

  • Isaac Johnson
    Isaac Johnson
20 min read
VS Code: Bridge to Kubernetes
AKS

VS Code: Bridge to Kubernetes

I was encouraged by a colleague to checkout Microsoft’s “Bridge to Kubernetes”, a Visual Studio/Visual Studio Code extension and pattern for live debugging kubernetes services.  The idea is that you can

  • Isaac Johnson
    Isaac Johnson
9 min read
Vault on Kubernetes: Part 2 - Multiple k8s, templates and external IPs
AKS

Vault on Kubernetes: Part 2 - Multiple k8s, templates and external IPs

Let’s keep going with what we started last week.  This week I’ll show how to format secrets for various database engines, expose Vault with a public IP and load balancer and

  • Isaac Johnson
    Isaac Johnson
19 min read
Kubernetes Serverless: OpenFaaS
AKS

Kubernetes Serverless: OpenFaaS

When reviewing Serverless Kubernetes offerings over the last weeks, several sources suggested giving OpenFaaS a second look despite being one of the newer options in the space.  Alex Ellis started OpenFaaS back in

  • Isaac Johnson
    Isaac Johnson
23 min read
Kubernetes Serverless: Kubeless
AKS

Kubernetes Serverless: Kubeless

Kubeless is another of the popular CNCF recognized Kubernetes Serverless offerings.  It’s a Bitnami supported project that has been around since late 2016.  It bills itself as “a Kubernetes-native serverless framework that

  • Isaac Johnson
    Isaac Johnson
18 min read
Kubernetes Serverless: fission.io
Getting Started

Kubernetes Serverless: fission.io

Following last week's post on Knative, I thought I should check out one of the other popular serverless framework for k8s, fission.io.  Fission, unlike KNative just focuses on the code.  This means

  • Isaac Johnson
    Isaac Johnson
6 min read
K8s and Krew : RBAC utilities
krew

K8s and Krew : RBAC utilities

While I cannot recall how I came across krew, it’s been in the back of my mind to check it out.  I was aware that it contained a solid library of plugins

  • Isaac Johnson
    Isaac Johnson
22 min read
Codespaces
k8s

Codespaces

While i have signed up for the new Codespaces feature in Github and am awaiting enrollment, we can explore codespaces (formerly Visual Studio Online, which Microsoft also first called VSTS, now Azure DevOps)

  • Isaac Johnson
    Isaac Johnson
7 min read
Helm 3 : Creating and Sharing Charts
AKS

Helm 3 : Creating and Sharing Charts

Helm offers a fantastic way to install charts in a repeatable way, but often it can seem daunting to get started creating charts.  And once one has charts, there are a variety of

  • Isaac Johnson
    Isaac Johnson
16 min read
DataDog: Kubernetes and AzDO
AKS

DataDog: Kubernetes and AzDO

In our exploration of Logging and Metrics tooling, one company/product worth checking out is Datadog. It's been around since 2010 and is one of the larger offerings with over 350 integrations out

  • Isaac Johnson
    Isaac Johnson
16 min read
AKS and NewRelic
AKS

AKS and NewRelic

As we look at various APM and Logging tools, one suite that deserves attention is NewRelic.  New Relic is not a new player, having been founded in 2008 by Lew Cirne (anagram of

  • Isaac Johnson
    Isaac Johnson
22 min read
AKS and Ingress : Constraining Access
AKS

AKS and Ingress : Constraining Access

In my last missive I detailed out AKS and Ingress using NGinx Ingress Controllers. For public facing services this can be sufficient.  However, many businesses require tighter controls - either for canary style

  • Isaac Johnson
    Isaac Johnson
6 min read
AKS and Ingress, again
AKS

AKS and Ingress, again

I wrote most of my Azure Kubernetes guides a while back in a time where Helm 2 was standard and RBAC was an optional add-in.  Recently when doing AKS work for work, I

  • Isaac Johnson
    Isaac Johnson
16 min read
Getting Started with KEDA
KEDA

Getting Started with KEDA

A few weeks ago, a coworker of mine posted to our slack this medium article about KEDA and Kafka.I wasn’t familiar with Kubernetes-based Event Driven Autoscaler (KEDA) and wanted to find

  • Isaac Johnson
    Isaac Johnson
14 min read
K8s and Redis; a tale of Layer 4 Ingress
k8s

K8s and Redis; a tale of Layer 4 Ingress

One thing that Kubernetes does particularly well is Layer 7 routing with Ingress.  If you have an HTTP/HTTPS service, there are a slew of tutorials out there as well as best practices

  • Isaac Johnson
    Isaac Johnson
17 min read
K3S, Pi4, and Azure DevOps
k3s

K3S, Pi4, and Azure DevOps

We've explored Rancher's K3s before as well as K3OS.  It's a pretty handy lightweight kubernetes environment.  However, past attempts to make my Pi3b's proper containerized build agent pools ultimately fell down due it's

  • Isaac Johnson
    Isaac Johnson
28 min read
CIVO Kubernetes: a solid managed k3s offering
k8s

CIVO Kubernetes: a solid managed k3s offering

I love exploring alternative cloud providers.  A new one I had not been aware of until recently is CIVO.  They are a smaller cloud company focused on DevOps based out of Stevenage, Hertfordshire

  • Isaac Johnson
    Isaac Johnson
23 min read
LKE: A solid k8s offering from Linode
linode

LKE: A solid k8s offering from Linode

Linode announced LKE this year, and while still in private beta, it’s looking quite good for a release any day now (they are actively updating as I write).  Just this past week

  • Isaac Johnson
    Isaac Johnson
12 min read
Getting Started: Skaffold, a k8s build framework
Getting Started

Getting Started: Skaffold, a k8s build framework

Skaffold is a recent project from Google recently covered in an article by CBR.  It is meant to be a simple pipeline tool for building container images.  It dates back to January 3

  • Isaac Johnson
    Isaac Johnson
7 min read
Ubuntu Multipass - Better than Docker?
k3s

Ubuntu Multipass - Better than Docker?

Multipass is billed as a “mini-cloud” for Mac and Windows machines. . It’s ubuntu’s play at a small virtual machine environment akin to Docker.  How well does it perform and can we

  • Isaac Johnson
    Isaac Johnson
15 min read
DevOps Stategery: IaC Pipelines
stategery

DevOps Stategery: IaC Pipelines

One question that often comes up is how do we properly create Infrastructure as Code.  While in a way this is akin to asking which political party is best or is cilantro tasty,

  • Isaac Johnson
    Isaac Johnson
5 min read
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