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Real World Kubernetes Deployments @ KubeCon 2015
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Brandon Philips
November 11, 2015
Technology
2
610
Real World Kubernetes Deployments @ KubeCon 2015
http://kubecon2015.sched.org/event/d130c96cf9b6e3f7b1340e4a2f76c3e0#.VkMlW66rSHr
Brandon Philips
November 11, 2015
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Transcript
Real World Kubernetes Deployments failure domains, upgrades, high-availability @coreoslinux @brandonphilips
Brandon Philips CTO, CoreOS github.com/philips
Demo Instructions github.com/philips/real-world-kubernetes
What is CoreOS?
What is CoreOS?
None
None
What is CoreOS?
None
Why build CoreOS?
architecture in practice kubernetes
worker kubelet worker kubelet worker kubelet scheduler & API worker
kubelet w ku t worker kubelet
worker kubelet worker kubelet scheduler & API
worker & API works on 1 node too
etcd operations primary datastore
etcd
/etc distributed
worker kubelet worker kubelet scheduler & API
None
basic etcdctl usage demo
None
multi-machine etcd demo
Available Leader Follower
Available Leader Follower
Available Leader Follower
Unavailable Leader Follower
Available Leader Follower
Available Leader Follower
Temporarily Unavailable Leader Follower
Available Leader Follower
Unavailable Leader Follower
multi-machine discovery demo
None
etcd with TLS demo
None
etcd restore backup demo
1 2 3 4 { Log
1 2 3 4 Entries
1 2 3 4 Indexes
API server cluster operations
etcd to API server secured demo
scheduler & API
etcd down for API server demo
scheduler & API
etcd restore for API server demo
scheduler & API
high availability in cloud kube-aws
scheduler & API EBS { ASG
get into the cluster machine config
[Service] ExecStart=/usr/bin/kubelet -- api_servers=https://core-01 --register- node=true --hostname-override=core-02 --cluster_dns=10.3.0.10 -- cluster_domain=cluster.local
--tls- cert-file=worker.pem --tls-private-key- file=worker-key.pem
[Service] ExecStart=/usr/bin/kubelet -- api_servers=https://core-01 --register- node=true --hostname-override=core-02 --cluster_dns=10.3.0.10 -- cluster_domain=cluster.local
--tls- cert-file=worker.pem --tls-private-key- file=worker-key.pem
[Service] ExecStart=/usr/bin/kubelet -- api_servers=https://core-01 --register- node=true --hostname-override=core-02 --cluster_dns=10.3.0.10 -- cluster_domain=cluster.local
--tls- cert-file=worker.pem --tls-private-key- file=worker-key.pem
[Service] ExecStart=/usr/bin/kubelet -- api_servers=https://core-01 --register- node=true --hostname-override=core-02 --cluster_dns=10.3.0.10 -- cluster_domain=cluster.local
--tls- cert-file=worker.pem --tls-private-key- file=worker-key.pem
node partition from API demo
worker kubelet worker kubelet scheduler & API
node stops responding demo
worker kubelet worker kubelet scheduler & API
Easy CoreOS+Kubernetes Setup vagrant, aws, bare metal, etc coreos.com/kubernetes/docs/latest/
The smartest way to run your container infrastructure. tectonic.com @tectonic
QUAY Secure hosting for private Docker repositories quay.io @quayio
simpler cluster boot future work
operational metrics future work
mixed versions future work
etcd self-hosting future work
coreos.com/careers work with us
@coreoslinux @tectonicstack @brandonphilips thank you