148422597X Kubernetes Management Design Patterns [Vohra 2017-01-29] {E559F6BB}

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Chapter 15 ■ Using an HA Master with OpenShiftRunning the Ansible PlaybookThe default inventory file is /etc/ansible/hosts but another file may be configured with the inventorysetting in the ansible.cfg, for example:inventory = /etc/ansible/inventory/hostsWe have configured the default inventory file /etc/ansible/hosts. Start the OpenShift cluster byrunning the Ansible playbook:ansible-playbook ~/openshift-ansible/playbooks/byo/config.ymlThe OpenShift software such as Docker, HAProxy, and so on are installed and started on the configuredhosts, as shown in Figure 15-11.Figure 15-11. Running the Ansible PlaybookSSH log in to one of the master instances and list the nodes in the OpenShift cluster:oc get nodesThe three nodes, two of them non-schedulable, are listed as shown in Figure 15-12.346
Chapter 15 ■ Using an HA Master with OpenShiftFigure 15-12. The nodes in the OpenShift clusterTesting the ClusterTo test the OpenShift cluster, log in to the cluster.oc loginSpecify Username as system and Password as admin. The OpenShift cluster is logged in. Initially noprojects are created, as shown in Figure 15-13.Figure 15-13. Logging into the OpenShift clusterCreate a new project, for example hello-openshift with the oc new-project command:oc new-project hello-openshiftThe hello-openshift project is created as shown in Figure 15-14.Figure 15-14. Creating the hello-openshift project347
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KubernetesManagementDesign Patterns
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Kubernetes Management Design Patter
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■ CONTENTS AT A GLANCE■Part
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■ CONTENTSSetting Up Cluster Para
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■ CONTENTS■Chapter ■ 6: Us
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■ CONTENTSOvercommitting Resou
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■ CONTENTSInstalling OpenShift
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About the Technical ReviewerMassimo
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■ INTRODUCTIONpatterns are lan
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■ INTRODUCTIONIn Chapter 3 we
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CHAPTER 1Kubernetes on AWSKubernete
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Chapter 1 ■ Kubernetes on AWSIn t
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Chapter 1 ■ Kubernetes on AWSUsin
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Chapter 1 ■ Kubernetes on AWSClic
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Chapter 1 ■ Kubernetes on AWSFigu
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Testing the ClusterChapter 1 ■ Ku
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CHAPTER 2Kubernetes on CoreOS on AW
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Chapter 2 ■ Kubernetes on CoreOS
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Customizing the ClusterChapter 2
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Chapter 3 ■ Kubernetes on Google
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PART IIAdministration andConfigurat
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Chapter 4 ■ Using Multiple ZonesS
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Chapter 6 ■ Using VolumesPodDocke
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Chapter 7 ■ Using ServicesAnother
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Chapter 7 ■ Using ServicesCreatin
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Chapter 7 ■ Using ServicesSimilar
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Chapter 7 ■ Using ServicesList th
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Chapter 7 ■ Using ServicesInvoke
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Chapter 7 ■ Using ServicesIn addi
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Chapter 8 ■ Using Rolling Updates
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Chapter 9 ■ Scheduling Pods on No
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Chapter 10 ■ Configuring Compute
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Chapter 11 ■ Using ConfigMapsIn t
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CHAPTER 12Using Resource QuotasIn C
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Chapter 12 ■ Using Resource Quota
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Page 323 and 324: CHAPTER 14Configuring LoggingLoggin
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■ INDEXRoute 53 service (cont.)de
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