Jamie Tanna | Software Engineer

Liked Cert-manager stopped renewing Let'S Encrypt certificates after upgrading to AKS 1.20.7

Bookmarked https://marcusnoble.co.uk/2022-07-04-managing-kubernetes-without-losing-your-cool/ .

Tue, 05 Jul 2022 09:05 by Jamie Tanna . #kubernetes.

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Our AKS cluster was configured to auto-renew Let's Encrypt certificates through Ingress Cert-Manager annotation and this worked perfectly until we upgraded to AKS 1.20.7. This then stopped working ...

Sun, 26 Jun 2022 07:19 by Jamie Tanna . #kubernetes.

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New kubernetes just dropped, nobody allowed to delete containers out of respect for two-thousand year old fanfic
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I have prayed for this for so long, it's hard to believe Roe was finally overturned. This should spur on our efforts to support and care for women and families tempted to see abortion as their best or only option, to point them to the truth.
Jordan Liggitt (@liggitt)Sat, 25 Jun 2022 16:43 +0000
cube drone (@cube_drone)Sun, 26 Jun 2022 03:08 +0000

Sun, 26 Jun 2022 07:29 by Jamie Tanna . #kubernetes #satire.

Accessing the OpenAPI Specification for a Kubernetes Cluster (1 mins read).

How to get the OpenAPI specification for your Kubernetes Cluster.

Wed, 16 Mar 2022 18:26 by Jamie Tanna . #blogumentation #kubernetes #openapi.

Solving ConnectExceptions with the Kubernetes Java ApiClient (1 mins read).

How I solved ConnectExceptions in my Kubernetes Java client usage, by moving to cluster mode.

Wed, 16 Mar 2022 17:51 by Jamie Tanna . #blogumentation #kubernetes #java.

Has anything changed with the way that JSON Patch works in #Kubernetes recently? Seeing some failed interactions due to missing the /data/ in the path, and requiring it to be a list of operations. Not quite sure why my code has ever worked tbh 😅

Wed, 16 Mar 2022 14:35 by Jamie Tanna . #kubernetes.

Bookmarked https://blog.cyborch.com/the-case-against-serverless/ .

Sat, 12 Feb 2022 08:20 by Jamie Tanna . #serverless #kubernetes.

Bookmarked https://research.nccgroup.com/2022/01/13/10-real-world-stories-of-how-weve-compromised-ci-cd-pipelines/ .

Sat, 15 Jan 2022 15:20 by Jamie Tanna . #gitlab-ci #gitlab #kubernetes #ci #cicd #security.

Liked https://joshgav.github.io/2021/12/16/kubernetes-isnt-about-containers.html .

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New year's resolution: gonna start pronouncing it kuber-neets and pretending there's an open debate on the matter.
Dave O'Connor (@gerrowadat)Fri, 07 Jan 2022 16:27 GMT

Fri, 07 Jan 2022 16:31 by Jamie Tanna . #shitpost #kubernetes.

Sun, 26 Dec 2021 11:46 by Jamie Tanna . #kubernetes #api.

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AWS has published a DaemonSet to help mitigate the impact of #Log4j2 CVE-2021-44228 on #Kubernetes clusters until Java applications can be patched. See more github.com/aws-samples/ku…
Nate Taber (@nctaber)Wed, 15 Dec 2021 22:13 GMT

Thu, 16 Dec 2021 22:05 by Jamie Tanna . #aws #kubernetes #log4shell.

Liked https://github.com/up9inc/mizu .

Wed, 08 Dec 2021 15:42 by Jamie Tanna . #kubernetes #api #open-source.

Bookmarked https://kubeshop.io/blog/configure-ingress-with-openapi .

This is a really great idea - API gateways / ingress tooling utilising OpenAPI is much better than requiring duplication, and ensures that teams are building with API documentation first, but would be a barrier for those who need to backfill docs

Sun, 05 Dec 2021 20:03 by Jamie Tanna . #kubernetes #openapi.

Liked https://github.com/apiclarity/apiclarity .

Fri, 03 Dec 2021 11:52 by Jamie Tanna . #api #openapi #kubernetes.

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☸️Introducing the DigitalOcean Kubernetes Challenge - open to all levels! 🔪 Sharpen your devops skills, learn more about CNCF projects, win prizes and have fun! See how you can participate: do.co/kubernetes-cha…
DigitalOcean (@digitalocean)Tue, 16 Nov 2021 17:30 GMT

Tue, 16 Nov 2021 21:04 by Jamie Tanna . #digitalocean #kubernetes.

Things I Learned Migrating My Personal APIs To Kubernetes (10 mins read).

What I learned while migrating from a number of Java applications on Virtual Private Servers (VPS) to a Kubernetes cluster.

Mon, 25 Oct 2021 14:47 by Jamie Tanna . #kubernetes #personal-infrastructure #sysadmin #java #spring-boot.

Liked https://github.com/stackrox/kube-linter .

Mon, 25 Oct 2021 13:22 by Jamie Tanna . #kubernetes #linting.

Updating a Secret in Kubernetes with the Java Client (3 mins read).

How to use the Kubernetes Java SDK to patch a secret through Kubernetes' secrets API.

Sat, 23 Oct 2021 19:23 by Jamie Tanna . #blogumentation #kubernetes #java.

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Who called it a Kubernetes penetration test and not a clusterfuck
Ian Coldwater 📦💥 (@IanColdwater)Tue, 22 Jun 2021 21:09 +0000

Sat, 02 Oct 2021 21:33 by Jamie Tanna . #shitpost #kubernetes.

Setting up fluentd to Parse Nested JSON from Docker (2 mins read).

How to configure fluentd to parse the inner JSON from a log message as JSON, for use with structured logging.

Wed, 29 Sep 2021 18:29 by Jamie Tanna . #blogumentation #fluentd #logs #docker #kubernetes #logz.io.

Liked https://blog.deref.io/containers-dont-solve-everything/ .

Tue, 14 Sep 2021 08:30 by Jamie Tanna . #kubernetes #containers.

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First, make sure you understand what Kubernetes is, and how to leverage it. Second, challenge how you got to step two. If it still makes sense, start with a managed offering, and avoid getting sidetracked cosplaying SRE instead of building your business. cloud.google.com/kubernetes-eng…
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https://twitter.com/kelseyhightower/status/1298343780307755008
Where should I start if I wanna get into k8s for my startup?
Linux Ave (@1M_linesofcode)Wed, 26 Aug 2020 03:11 +0000
Kelsey Hightower (@kelseyhightower)Wed, 26 Aug 2020 04:55 +0000

Tue, 24 Aug 2021 07:37 by Jamie Tanna . #kubernetes.

Liked https://merikan.com/2019/04/jvm-in-a-container/ .

Tue, 06 Jul 2021 22:13 by Jamie Tanna . #java #docker #kubernetes.

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in cursed news: today I wrote some Kubernetes YAML that is *also* valid AT&T syntax x86_64 assembly (both print hello world)
$kubeajsd: .data msg: .asciz "Hello, world!\n" meme: .text .global _main _main: mov $0x02000004, %rax kubeaa: mov $1, %rdi /* apiVersion: apps/v1 kind: Deployment metadata: kube2: aa */ name: nop spec: kube5: mov msg@GOTPCREL(%rip), %rsi /* replicas: 1 selector: matchLabels: app: Nop kube6: aa */ template: metadata: labels: app: Nop kube3: mov $13, %rdx /* spec: containers: - image: gcr.io/google_containers/echoserver:1.0 imagePullPolicy: Always name: echoserver ports: - containerPort: 8080 kube4: aa */ kube9: syscall mov $0x02000001, %rax xor $0, %rdi syscall$
Nikhil (@jhanikhil)Thu, 01 Jul 2021 21:36 +0000

Sat, 03 Jul 2021 22:28 by Jamie Tanna . #kubernetes #yaml.

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https://twitter.com/ianmiell/status/1402178750003957765
Maybe if he had been called YAML instead of JSON…
Gary Smith (@fl1bbl3)Tue, 08 Jun 2021 08:44 +0000

Tue, 08 Jun 2021 11:00 by Jamie Tanna . #kubernetes.

After migrating my personal APIs to #Kubernetes, I've got a tonne of blog posts to write up 🙌🏼

Thu, 20 May 2021 22:21 by Jamie Tanna . #kubernetes.

#Kubernetes peeps - is there a way to mount a Secrets volume as read-write and allow an application to write to it? I'm migrating code that expects a filesystem to persist secret changes to and am not sure if I'm trying to avoid rewriting too much?

Wed, 12 May 2021 01:44 by Jamie Tanna . #kubernetes.

Is anyone using #gitlab's Auto DevOps with a Maven/Gradle multimodule project? Thinking about maybe giving it a go, with deployment to GKE for ease of management of my services, but wanna find out if its suitable first, and how to pass secrets that would be in an application.properties on the host. Or I guess, do I need to rewire the app instead?

Mon, 03 May 2021 10:36 by Jamie Tanna . #kubernetes #gitlab.

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So is Kubernetes just yaml
Pauline P. Narvas (@paulienuh)Fri, 29 Jan 2021 12:48 GMT

Fri, 29 Jan 2021 23:39 by Jamie Tanna . #kubernetes.

Liked https://ops.tips/notes/kubernetes-pizza/ .

Fri, 11 Dec 2020 18:12 by Jamie Tanna . #kubernetes #automation.

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oh it's simple. you write the app, then you write the dockerfile. then you write the helm chart. then you write the deployment to describe the helm chart which describes the deployment for the containerized app. In this simple tutorial, we will launch a hello world app.. 1/496
fraq, tamer of pods (@0xfraq)Sat, 26 Sep 2020 16:25 +0000

Sat, 26 Sep 2020 17:42 by Jamie Tanna . #kubernetes.

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Thanks so much for having me @PHPMinds ! I had a great time! If anyone wants the slides you can find them here: noti.st/averagemarcus/… Feel free to DM if you have any questions.
Marcus Noble (@Marcus_Noble_)Thu, 09 Jul 2020 18:43 +0000

Thu, 09 Jul 2020 19:49 by Jamie Tanna . #phpminds #kubernetes.

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I'm very much looking forward to finding out a bit more about #Kubernetes tonight at #PHPMiNDS from the awesome Marcus Noble!

Quoted a post on Twitter

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We've just published the details for how to join tonight's talk on phpminds.org We hope to see you there shortly for an awesome talk from @Marcus_Noble_ about #Kubernetes! #PHP
php[minds] (@PHPMinds)Thu, 09 Jul 2020 17:19 +0000

Thu, 09 Jul 2020 17:21 by Jamie Tanna . #kubernetes #phpminds.

Bookmarked https://sysadvent.blogspot.com/2019/12/day-10-it-ok-if-you-not-running.html?m=1 .

Tue, 10 Dec 2019 09:21 by Jamie Tanna . #sysadvent #kubernetes #sysadmin.