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

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Chapter 8 ■ Using Rolling UpdatesFigure 8-32. Only some of the replicas are availableIf some deployment has an error, the deployment may be rolled back to an earlier revision. List thedeployment revisions.kubectl rollout history deployment/mysql-deploymentThe deployment revisions are listed as shown in Figure 8-33.Figure 8-33. Listing deployment revisions195
Chapter 8 ■ Using Rolling UpdatesWe need to find which deployment revision does not have an error and subsequently roll back to thatrevision. The details of a revision can be displayed. For example, the following command lists the detail ofrevision 4:kubectl rollout history deployment/mysql-deployment --revision=4The details of revision 4 are listed as shown in Figure 8-34.Figure 8-34. Listing the details of revision 4To roll back to the previous version, run the following command, assuming the rollbackTo->revisionfield is set to 0 (also the default) in the deployment definition file:kubectl rollout undo deployment/mysql-deploymentDeployment is rolled back as shown in Figure 8-35. List the pods, and you may see some of the pods stillnot running, which indicates that the revision rolled back to has errors.196
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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 4 ■ Using Multiple ZonesF
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Chapter 4 ■ Using Multiple ZonesA
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Chapter 6 ■ Using VolumesPodDocke
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Chapter 6 ■ Using VolumesObtain t
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Chapter 6 ■ Using VolumesFigure 6
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Chapter 10 ■ Configuring Compute
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Chapter 11 ■ Using ConfigMapsIn t
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Chapter 11 ■ Using ConfigMapsFigu
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Chapter 11 ■ Using ConfigMapsNext
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Chapter 11 ■ Using ConfigMapsThe
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Chapter 11 ■ Using ConfigMapsCrea
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Chapter 11 ■ Using ConfigMapsCons
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Chapter 11 ■ Using ConfigMapsmoun
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CHAPTER 12Using Resource QuotasIn C
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Chapter 12 ■ Using Resource Quota
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CHAPTER 13Using AutoscalingStarting
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Chapter 13 ■ Using Autoscaling./k
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CHAPTER 14Configuring LoggingLoggin
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Chapter 14 ■ Configuring Logging
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Docker Log FilesChapter 14 ■ Conf
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Chapter 14 ■ Configuring LoggingF
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CHAPTER 15Using an HA Master with O
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Chapter 15 ■ Using an HA Master w
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Installing the Network ManagerChapt
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Chapter 16 ■ Developing a Highly
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■ INDEXClusters (cont.)configurat
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■ INDEXKubernetes (cont.)nodes, 6
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■ INDEXRoute 53 service (cont.)de
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