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Kubernetes HA with CoreOS
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adaam
April 09, 2017
Technology
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Kubernetes HA with CoreOS
Build Kubernetes Cluster with HA using CoreOS and BootCFG
adaam
April 09, 2017
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Transcript
Building HA Kubernetes with CoreOS Container Summit 2016, IT Home,
Taipei
Hello! I am Adam I am here because I love
to share. You can find me at @adaam
Intro CoreOS Let’s start with the first set of slides
1
What is ? ◎ Lightweight Linux ◎ Contain Docker, rkt,
fleet, etcd ◎ Immutable environment ◎ Auto update ◎ Reduce management time
Install Tool CloudConfig/ Ignition/Bootcfg 2
◎ Look like three, but just one Cloudconfig/Ignition/Bootcfg
Cloudconfig sample
Ignition Sample
Bootcfg service flow
Demo
Demo
Demo Install CoreOS with bootcfg Setup fleet with role Show
group/profile/ignition files really use
Directory tree
Demo
Intro Fleet Let’s start with the first set of slides
3
“ A distributed init system - By CoreOS github
◎ Tied together etcd and systemd ◎ Like extension of
systemd ◎ Low-level with cluster ◎ Systemd is great ! Fleet ?
Fleet sample
Intro Kubernetes 4
◎ Production-Grade container orchestration ◎ Automated container deployment, scaling, and
management ◎ Pod, Replication Controller, Service … etc Finally shows up
K8S main role kube-Apiserver kube-Scheduler kube-Controller-manager kube-Proxy kube-Kubelet Using Fleet
to deploy
Demo
◎ Install Kubernetes using Fleet ◎ Show HA master and
nodes Demo will contain
Fleet Files
Demo
ReCap What just do in DEMO? - Install CoreOS with
Ignition/bootcfg - Create Etcd Cluster at Ignition - Install Kubernetes with Fleet
Notice - Bootcfg: Json format for group - Etcd init
cluster value, match etcd_name - Kubernetes config to fit you
Thanks ! Any questions? You can find me at @adaam
in Twitter and Linkedin Email:
[email protected]