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

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Chapter 16 ■ Developing a Highly Available WebsiteFigure 16-55. A new primary resource record setThe web browser request is routed to the primary resource record set, as shown in Figure 16-56.Figure 16-56. Hosted zone served the new primary resource record set391
Chapter 16 ■ Developing a Highly Available WebsiteThe AWS CloudFormations for the Kubernetes clusters have launch configurations and scaling groupsassociated with them. If a controller instance is shut down directly, at first the controller and workerinstances would shut down; but because a launch configuration is associated with the CloudFormation,other controller and worker instances for the CloudFormation are started. If the CloudFormation isremoved, the cluster is removed and is not relaunched. If both the primary and secondary resource recordsets are made unavailable, the Kubernetes service hosted on oramagsearch.com becomes unavailable, asshown in Figure 16-57.Figure 16-57. The hosted zone becomes unreachable if all resource record sets are deletedSummaryIn this chapter we created a highly available website. The high availability is made feasible by creatingmultiple cloud formations and subsequently creating an AWS Route 53 service with DNS failover configured.This chapter concludes the book Kubernetes Management Design Patterns. As subsequent Kubernetesversions are developed, other features will be added. At the time of writing this book, Kubernetes 1.3 hasadded cross-cluster federation, which can be used to develop federated services that span multiple clusters,thus providing another form of high availability.392
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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 5 ■ Using the Tectonic Co
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Chapter 6 ■ Using VolumesPodDocke
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Chapter 6 ■ Using VolumesObtain t
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Chapter 6 ■ Using VolumesThe kube
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Chapter 6 ■ Using Volumesvolumes:
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Chapter 6 ■ Using VolumesChange d
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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 ServicesFigure
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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 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 15Using an HA Master with O
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Chapter 15 ■ Using an HA Master w
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148422597X Kubernetes Management Design Patterns [Vohra 2017-01-29] {E559F6BB}

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