stern VS helmfile

deploy: stage: deploy image: alpine/k8s:1.29.1 variables: NAMESPACE: $CI_COMMIT_REF_SLUG before_script: # init namespace - kubectl config use-context $KUBE_CONTEXT - kubectl create namespace $NAMESPACE || true # download tools - curl --show-error --silent --location https://github.com/stern/stern/releases/download/v1.22.0/stern_1.22.0_linux_amd64.tar.gz | tar zx --directory /usr/bin/ stern && chmod 755 /usr/bin/stern && stern --version - curl --show-error --silent --location https://github.com/kubernetes/kompose/releases/download/v1.32.0/kompose-linux-amd64 -o /usr/local/bin/kompose && chmod a+x /usr/local/bin/kompose && kompose version # show logs asynchronously. Timeout to avoid hanging indefinitely when an error occurs in script section - timeout 1200 stern -n $NAMESPACE "app-" --tail=0 --color=always & # in background, tail new logs if any (current and incoming) pod with this regex as name - timeout 1200 kubectl -n $NAMESPACE get events --watch-only & # in background, tail new events in background script: # first delete CrashLoopBackOff pods, polluting logs - kubectl -n $NAMESPACE delete pod `kubectl -n $NAMESPACE get pods --selector app.kubernetes.io/component=$MODULE | awk '$3 == "CrashLoopBackOff" {print $1}'` || true # now deploying - kompose convert --out k8s/ - kubectl apply -n $NAMESPACE -f k8s/ - echo -e "\e[93;1mWaiting for the new app version to be fully operational...\e[0m" # waiting for successful deployment - kubectl -n $NAMESPACE rollout status deploy/app-db - kubectl -n $NAMESPACE rollout status deploy/app-back - kubectl -n $NAMESPACE rollout status deploy/app-front # on any error before this line, the script will still wait for these threads to complete, so the initial timeout is important. Adding these commands to after_script does not help - pkill stern || true - pkill kubectl || true after_script: # show namespace content - kubectl config use-context $KUBE_CONTEXT - kubectl -n $NAMESPACE get deploy,service,ingress,pod

The old repo is dead

node-and-git: image: node:18.10-alpine before_script: - apk --no-cache add git kubectl-and-stern: image: alpine/k8s:1.22.13 before_script: # install stern - curl --show-error --silent --location https://github.com/stern/stern/releases/download/v1.22.0/stern_1.22.0_linux_amd64.tar.gz | tar zx --directory /usr/bin/ stern && chmod 755 /usr/bin/stern playwright-and-kubectl: image: mcr.microsoft.com/playwright:v1.35.1-focal before_script: # install kubectl - curl --show-error --silent --location --remote-name https://storage.googleapis.com/kubernetes-release/release/v1.25.3/bin/linux/amd64/kubectl && chmod +x ./kubectl && mv ./kubectl /usr/local/bin/

I'll add stern (https://github.com/stern/stern) to that - follow logs from multiple pods easily.

Multi pod and container log tailing for Kubernetes https://github.com/stern/stern

stern v1.22.0

Link to GitHub Repository

If you are using Kubernetes, I highly recommend using https://github.com/stern/stern

Stern: https://github.com/stern/stern for log streaming

What we’re going to install into the newly created AKS cluster is located in the helm directory. The descriptive Helmfile approach enables us to define applications and their settings in the helmfile.yaml file.

Is there any alternative to https://github.com/roboll/helmfile you are currently using in your company.

Interesting, I have approached this problem using Helmfile (https://github.com/roboll/helmfile) to define a “platform release package.”

To make managing the Helm deployments a little easier I used helmfile (https://github.com/roboll/helmfile).

But in general it's always easier to keep things quite separated. Meaning in separate helm releases. If you want to be able to manage things "together" at will, then you can use helmfile ( https://github.com/roboll/helmfile )

I agree; helm is too declarative.

Whenever I can, I use helmfile[0] for storing variables for helm since it does add a declarative layer on top of helm.

0 - https://github.com/roboll/helmfile

I went through the Helmfile repo Readme to figure out the difference between helmfile sync and helmfile apply. It seems like unlike the apply command, the sync command doesn't do a diff and helm upgrades the hell out of all releases 😃. But from the word sync, you'd expect the command to apply those releases that have been changed. There is also mention of the potential application of helmfile apply to periodically syncing of releases. Why not use helmfile sync for this purpose? Overall, the difference didn't become crystal clear, and I though there could probably be more to it. So, I'm asking.

helmfile is something i’ve used in the past for this https://github.com/roboll/helmfile

I always felt like dependencies in helm are for very simple non-coupled packages. I many times use Helmfile (https://github.com/roboll/helmfile) to manage dependencies instead of banging my head with vanilla Helm.

Once you do that, learn to create dynamic helm charts that use go templating and conditionals: https://github.com/roboll/helmfile