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1 OpenShift Day 2 Operation

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2 ● Creating Project (NameSpace) ● Cluster Scaling ● Operators ● Advance Cluster Management Agenda

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3 Creating Project OS App CPU RAM Storage Ordering a VM Process VM Ports Dev Ops

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4 Creating Project Ordering a Project Process App CPU RAM Project Ports Dev

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5 Cluster Scaler ……. Cluster Ops Team Dev Team Work Load Worker Nodes

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6 Cluster Scaler Check the Desired State Control Loop Is it different from Desired State? If yes, change it to the Desired State?

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7 ReplicaSets ensure a specified number of pods are running at any given time image name Replicas 2 labels cpu memory storage ReplicaSet ReplicationController POD CONTAINER POD CONTAINER 1 2 Cluster Scaler

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8 MachineSets ensure a specified number of machine are running at any given time MachineSet 1 2 Cluster Scaler

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9 An Operator represents human operational knowledge in a software, to reliably manage an application. Operators POD CONTAINER POD CONTAINER Master Slave POD CONTAINER Slave ID: 123 ID: 357 ID: 951 State State State

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10 An Operator represents human operational knowledge in a software, to reliably manage an application. Operators > oc get nodes NAME STATUS ROLES AGE VERSION master.example.com Ready master 7h v1.13.4+b626c2fe1 node1.example.com Ready worker 7h v1.13.4+b626c2fe1 node2.example.com Ready worker 7h v1.13.4+b626c2fe1 > oc get mysql the server doesn't have a resource type "mysql"

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Custom Resource MyApplication State My Application Kubernetes Resources for My App Operator Pattern 11

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● OperatorHub.io launched by Red Hat, AWS, Microsoft and Google ● OpenShift Operator Certification ● OperatorHub integrated into OpenShift 4 COMMUNITY OPERATORS OperatorHub and certified Operators OPENSHIFT CERTIFIED OPERATORS

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● OpenShift retrieves the list of available updates ● Admin selects the target version ● OpenShift is updated over the air ● Auto-update support Over the Air (OTA) Updates

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14 ● Cloud-based multicluster management ○ New clusters on AWS, Azure, Google, vSphere, OpenStack, and bare metal ○ Register existing clusters ○ Including OpenShift Dedicated ● Management operations ○ Install new clusters ○ View all registered clusters ○ Update clusters cloud.openshift.com AWS Google Azure On-Prem Unified Hybrid Cloud

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Interactive Learning Scenarios provide you with a pre-configured OpenShift instance, accessible from your browser without any downloads or configuration. LEARN.OPENSHIFT.COM 15