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    kubernetes/autoscaler: Autoscaling components for Kubernetes

    Lorsque le HPA (horizontal pod autoscaler) démarre trop de pods, ces pods vont être en pending. Il faut plus de nodes pour les faire tourner.

    C'est le but du kubernetes autoscaler qui va reconfigurer l'autoscaling group des nodes pour en ajouter/enlever suivant l'usage

    https://eksworkshop.com/scaling/deploy_ca/

    Le pod qui fait tourner ça doit avoir les bon droits IAM pour pouvoir modifier l'ASG
    voir : https://blog.csanchez.org/2018/11/14/installing-kube2iam-in-aws-kubernetes-eks-cluster/

    March 25, 2019 at 5:00:37 PM GMT+1 * - permalink - archive.org - https://github.com/kubernetes/autoscaler
    autoscaling k8s
  • thumbnail
    Force deployment rolling-update · Issue #27081 · kubernetes/kubernetes
    kubectl patch deployment web -p "{\"spec\":{\"template\":{\"metadata\":{\"labels\":{\"date\":\"`date +'%s'`\"}}}}}"

    mieux :
    kubectl rollout restart daemonset/filebeat-filebeat
    kubectl rollout restart deployment/web
    March 25, 2019 at 12:54:04 PM GMT+1 * - permalink - archive.org - https://github.com/kubernetes/kubernetes/issues/27081
    k8s patch rolling update
  • thumbnail
    Prometheus adds default http port to the Host header when querying targets. · Issue #2226 · prometheus/prometheus

    prometheus uses header host with value = $host:$port ...

    March 24, 2019 at 6:01:13 PM GMT+1 - permalink - archive.org - https://github.com/prometheus/prometheus/issues/2226
    http prometheus scrape
  • Redis streams as a pure data structure - <antirez>
    March 23, 2019 at 12:40:17 PM GMT+1 - permalink - archive.org - http://antirez.com/news/128
    redis stream
  • thumbnail
    Kubernetes Horizontal Pod & Cluster Autoscaling: All You Need to Know | Caylent
    March 22, 2019 at 6:13:44 PM GMT+1 - permalink - archive.org - https://caylent.com/kubernetes-autoscaling/
    hpa k8s
  • Configure Kubernetes Autoscaling with Custom Metrics
    March 22, 2019 at 6:13:34 PM GMT+1 - permalink - archive.org - https://docs.bitnami.com/kubernetes/how-to/configure-autoscaling-custom-metrics/
    hpa k8s
  • thumbnail
    community/horizontal-pod-autoscaler.md at master · kubernetes/community
    March 22, 2019 at 6:13:23 PM GMT+1 - permalink - archive.org - https://github.com/kubernetes/community/blob/master/contributors/design-proposals/autoscaling/horizontal-pod-autoscaler.md#autoscaling-algorithm
    hpa k8s
  • thumbnail
    Kubernetes HPA Autoscaling with Custom and External Metrics
    March 22, 2019 at 6:13:11 PM GMT+1 - permalink - archive.org - https://medium.com/uptime-99/kubernetes-hpa-autoscaling-with-custom-and-external-metrics-da7f41ff7846
    hpa k8s
  • thumbnail
    command line - iTerm - going one word backwards and forwards - Ask Different
    Go to Preferences... > Profiles > Keys
    Press Load Preset...
    Select Natural Text Editing
    March 22, 2019 at 4:55:00 PM GMT+1 - permalink - archive.org - https://apple.stackexchange.com/questions/154292/iterm-going-one-word-backwards-and-forwards
    iterm2 mac
  • Note: Filebeat, elasticsearch et mapping

    Filebeat utilise des template de mapping (pour chaque version de filebeat, un nouveau template est créé)
    Donc l'index créé tous les jours par filebeat a un mapping qui provient de ce template
    Il y a beaucoup de champs défini qui proviennent de la déclaration de tous les modules filebeat (https://github.com/elastic/beats/blob/master/filebeat/module/nginx/access/_meta/fields.yml)

    Si on a besoin de déclarer de nouveaux champs, on peut créer son propre template qui va matcher aussi les index filebeat-* et qui va surcharger les templates de filebeat
    Alternative : on peut vérifier que le champs n'existe pas déjà dans les champs prédéfini de filebeat. Par exemple le $status de nginx (code retour http) correspond au champs http.response.status_code
    Il suffit que le json écrit par nginx ait une clé qui correspond pour le status pour avoir le bon mapping

    https://www.elastic.co/guide/en/beats/filebeat/master/configuration-template.html

    March 21, 2019 at 5:44:18 PM GMT+1 - permalink - archive.org - https://links.infomee.fr/?MQs0iA
    elasticsearch filebeat mapping
  • Note: Repérer les inconsistences de mapping entre différents index

    Exemple pour le field 'status' :

    for index in $(cat liste_index); do echo $index; curl -s http://elastic/$index/_mapping | jq ".\"$index\".mappings.doc.properties.status"; done

    March 21, 2019 at 4:48:12 PM GMT+1 * - permalink - archive.org - https://links.infomee.fr/?ggBAsw
    elasticsearch filebeat
  • johanhaleby/kubetail: Bash script to tail Kubernetes logs from multiple pods at the same time
    March 20, 2019 at 2:03:39 PM GMT+1 - permalink - archive.org - https://github.com/johanhaleby/kubetail
    k8s logs
  • tektoncd/pipeline: A K8s-native Pipeline resource.
    March 17, 2019 at 5:16:29 PM GMT+1 - permalink - archive.org - https://github.com/tektoncd/pipeline
    cicd k8s
  • thumbnail
    philpep/imago: Ensure kubernetes pods run on latest images builds from the docker registry

    Peut être utile dans certains cas, je me le garde de côté

    March 15, 2019 at 10:35:45 AM GMT+1 - permalink - archive.org - https://github.com/philpep/imago
    k8s latest
  • Job Application for Full Stack Engineer (Growth) at DataCamp

    Should have a clear understanding of standard web development processes and best practices
    Is a strong communicator who can explain technical concepts in an understandable manner
    Is comfortable rapidly writing throwaway code that gets the job done -- even if it’s not well-optimized, well-tested, or well-architected
    Cares more about the business impact of the work than the elegance of the technical solution
    Must be detail-oriented, self-organized and capable of tracking multiple tasks simultaneously

    Lol

    March 15, 2019 at 8:10:32 AM GMT+1 - permalink - archive.org - https://boards.greenhouse.io/datacamp/jobs/1482036
    lol
  • Learn Kubernetes using Interactive Browser-Based Labs | Katacoda
    March 14, 2019 at 5:34:27 PM GMT+1 - permalink - archive.org - https://www.katacoda.com/courses/kubernetes
    k8s tutorial
  • kelseyhightower/kubernetes-the-hard-way: Bootstrap Kubernetes the hard way on Google Cloud Platform. No scripts.
    March 14, 2019 at 5:33:30 PM GMT+1 - permalink - archive.org - https://github.com/kelseyhightower/kubernetes-the-hard-way
    hard k8s tutorial
  • Yelp/elastalert: Easy & Flexible Alerting With ElasticSearch

    une alternative free

    March 11, 2019 at 4:00:32 PM GMT+1 - permalink - archive.org - https://github.com/Yelp/elastalert
    alert elasticsearch
  • thumbnail
    Using Helm without Tiller - Giant Swarm

    Pour obtenir les yaml sans installer un helm chart :

    helm template \
    --values ./values/prometheus.yaml \
    --output-dir ./manifests \
    ./charts/prometheus

    March 11, 2019 at 3:25:18 PM GMT+1 - permalink - archive.org - https://blog.giantswarm.io/what-you-yaml-is-what-you-get/
    helm k8s
  • awesome-kubernetes/README.md at master · ramitsurana/awesome-kubernetes · GitHub

    Via arnaudb

    March 10, 2019 at 2:37:34 PM GMT+1 - permalink - archive.org - https://github.com/ramitsurana/awesome-kubernetes/blob/master/README.md#monitoring
    k8s resources
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