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Real World Kubernetes Deployments failure domains, upgrades, high-availability @coreoslinux @brandonphilips
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Brandon Philips CTO, CoreOS github.com/philips
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Demo Instructions github.com/philips/real-world-kubernetes
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What is CoreOS?
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What is CoreOS?
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What is CoreOS?
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Why build CoreOS?
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architecture in practice kubernetes
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worker kubelet worker kubelet worker kubelet scheduler & API worker kubelet w ku t worker kubelet
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worker kubelet worker kubelet scheduler & API
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worker & API works on 1 node too
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etcd operations primary datastore
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etcd
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/etc distributed
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worker kubelet worker kubelet scheduler & API
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basic etcdctl usage demo
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multi-machine etcd demo
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Available Leader Follower
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Available Leader Follower
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Available Leader Follower
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Unavailable Leader Follower
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Available Leader Follower
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Available Leader Follower
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Temporarily Unavailable Leader Follower
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Available Leader Follower
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Unavailable Leader Follower
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multi-machine discovery demo
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etcd with TLS demo
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etcd restore backup demo
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1 2 3 4 { Log
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1 2 3 4 Entries
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1 2 3 4 Indexes
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API server cluster operations
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etcd to API server secured demo
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scheduler & API
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etcd down for API server demo
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scheduler & API
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etcd restore for API server demo
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scheduler & API
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high availability in cloud kube-aws
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scheduler & API EBS { ASG
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get into the cluster machine config
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[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
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[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
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[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
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[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
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node partition from API demo
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worker kubelet worker kubelet scheduler & API
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node stops responding demo
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worker kubelet worker kubelet scheduler & API
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Easy CoreOS+Kubernetes Setup vagrant, aws, bare metal, etc coreos.com/kubernetes/docs/latest/
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The smartest way to run your container infrastructure. tectonic.com @tectonic
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QUAY Secure hosting for private Docker repositories quay.io @quayio
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simpler cluster boot future work
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operational metrics future work
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mixed versions future work
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etcd self-hosting future work
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coreos.com/careers work with us
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@coreoslinux @tectonicstack @brandonphilips thank you