Full Revision History | About | OpenShift Container Platform 3.6

Mon Mar 12 2018

Table 1. Installation and Configuration
Affected Topic	Description of Change
Advanced Installation	Updated recommended storage for logging and metrics to use dynamic provisioning the Configuring Metrics Storage and Configuring Logging Storage sections.

Wed Mar 07 2018

Table 2. Installation and Configuration
Affected Topic	Description of Change
Aggregating Container Logs	Added to instructions to scale EFK pods when changes are made in the Understanding and Adjusting the Deployment section.

Tues Mar 06 2018

Table 3. Cluster Administration
Affected Topic	Description of Change
Managing Security Context Constraints	Added a new Example Security Context Constraints Settings section.

Mon Feb 26 2018

Table 4. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration	Added information in multiple locations to use `oc adm ca` commands from the first master only.
Performing Manual In-place Cluster upgrades	Added information to use `oc adm ca` commands from the first master only.
Getting Started	Added information to use `oc adm ca` commands from the first master only to the Configure OpenShift Container Platform and Install OpenShift Container Platform.

Fri Feb 23 2018

Table 5. Cluster Administration
Affected Topic	Description of Change
Default Scheduling	Reorganized topic and updated the list of predicates and policies in the Scheduler Policy section.
Controlling Pod Placement	Created new topic from the Controlling Pod Placement section of the Default Scheduling topic. No change to the content.
Managing Security Context Constraints	Noted the importance of `-z` flag usage when granting access to service accounts.
Configuring Service Accounts	Noted the importance of `-z` flag usage when granting access to service accounts.

Table 6. Developer Guide
Affected Topic	Description of Change
Service Accounts	Noted the importance of `-z` flag usage when granting access to service accounts.

Wed Feb 21 2018

Table 7. Installation and Configuration
Affected Topic	Description of Change
Performing Manual In-place Cluster upgrades	Added new step to Upgrading Master Components for configuring dnsmsq.

Tues Feb 20 2018

Table 8. Cluster Administration
Affected Topic	Description of Change
Managing Nodes	Replaced outdated `oadm manage-node --evacuate` commands with `oc adm drain` commands.

Mon Feb 19 2018

Table 9. Installation and Configuration
Affected Topic	Description of Change
Aggregating Container Logs	Added the Expose Elasticsearch as a Route section, and updated related variables in the Specifying Logging Ansible Variables section.

Fri Feb 16 2018

Table 10. Scaling Performance
Affected Topic	Description of Change
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.

Table 11. Security
Affected Topic	Description of Change
Container Security Guide	Added new topic on monitoring cluster events and logs

Table 12. Using Images
Affected Topic	Description of Change
Jenkins	Clarified ConfigMap and PodTemplate sync definitions in Using the Jenkins Kubernetes Plug-in to Run Jobs section.

Table 13. Architecture
Affected Topic	Description of Change
Builds and Image Streams	Added more information to the Image Streams section.
Infrastructure Components → Kubernetes Infrastructure	Changed the maximum number of nodes from 300 to 2000.
Architecture → Routes	Added information on the `ROUTER_LISTEN_ADDR` and `ROUTER_METRICS_TYPE` variables to the Router Environment Variables section.
Architecture → HAProxy Router Plug-in	New section describing the HAProxy Template Router Metrics.

Table 14. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.
Installation and Configuration → Planning	Added a new section on installing a Single Master and Node on One System.
Configuring the SDN	Fixed command error in the Migrating from ovs-multitenant to ovs-networkpolicy section.
Setting up the Registry → Securing and Exposing the Registry	Added default registry to the example in the Manually Securing the Registry section.
Configuring Global Build Defaults and Overrides	Changed the units from `m` to `Mi` in the Example Build Defaults Configuration.
Installing a Cluster → Prerequisites	Added more information about port 1936 to the Required Ports section.
Installing a Cluster → Disconnected Installation	Updated the example in the Editing the Image Stream Definitions section.
Installing a Cluster → Prerequisites	Added that setting `NM_CONTROLLED` is required for DNS to work properly.
Using the Default HAProxy Router	Modified some information in the Router Environment Variables section.
Installation → Using the F5 Router Plug-in	Added a note that the F5 user needs Advanced Shell permission to use the F5 Router Plug-in.
Installing a Cluster → Advanced Installation	Added information on using a Cockpit registry console image other than the default.
Configuring Custom Certificates	Clarified that, for the master API or web console, wildcard names are accepted.

Table 15. Cluster Administration
Affected Topic	Description of Change
Handling Out of Resource Errors	Adjusted the math in the Example Scenario.
Garbage Collection	Added clarifying details about the default behavior of garbage collection.

Tue Feb 06 2018

Table 16. Scaling Performance
Affected Topic	Description of Change
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.

Table 17. Security
Affected Topic	Description of Change
Container Security Guide	Added new topic on monitoring cluster events and logs

Table 18. Using Images
Affected Topic	Description of Change
Jenkins	Clarified ConfigMap and PodTemplate sync definitions in Using the Jenkins Kubernetes Plug-in to Run Jobs section.

Table 19. Developer Guide
Affected Topic	Description of Change
Managing Images	Added Triggering Updates on Image Stream Changes section.

Table 20. Architecture
Affected Topic	Description of Change
Builds and Image Streams	Added more information to the Image Streams section.
Infrastructure Components → Kubernetes Infrastructure	Changed the maximum number of nodes from 300 to 2000.
Architecture → Routes	Added information on the `ROUTER_LISTEN_ADDR` and `ROUTER_METRICS_TYPE` variables to the Router Environment Variables section.
Architecture → HAProxy Router Plug-in	New section describing the HAProxy Template Router Metrics.

Table 21. Cluster Administration
Affected Topic	Description of Change
Managing Networking	Changed the Disabling Host Name Collision Prevention For Routes and Ingress Objects section to mention the ability to give users the rights to edits host names on routes and ingress objects.

Table 22. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.
Installation and Configuration → Planning	Added a new section on installing a Single Master and Node on One System.
Configuring the SDN	Fixed command error in the Migrating from ovs-multitenant to ovs-networkpolicy section.
Setting up the Registry → Securing and Exposing the Registry	Added default registry to the example in the Manually Securing the Registry section.
Configuring Global Build Defaults and Overrides	Changed the units from `m` to `Mi` in the Example Build Defaults Configuration.
Installing a Cluster → Prerequisites	Added more information about port 1936 to the Required Ports section.
Installing a Cluster → Disconnected Installation	Updated the example in the Editing the Image Stream Definitions section.
Installing a Cluster → Prerequisites	Added that setting `NM_CONTROLLED` is required for DNS to work properly.
Using the Default HAProxy Router	Modified some information in the Router Environment Variables section.
Installation → Using the F5 Router Plug-in	Added a note that the F5 user needs Advanced Shell permission to use the F5 Router Plug-in.

Thu Jan 25 2018

Table 23. Scaling Performance
Affected Topic	Description of Change
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.

Table 24. Security
Affected Topic	Description of Change
Container Security Guide	Added new topic on monitoring cluster events and logs

Table 25. Using Images
Affected Topic	Description of Change
Jenkins	Clarified ConfigMap and PodTemplate sync definitions in Using the Jenkins Kubernetes Plug-in to Run Jobs section.

Table 26. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.
Installation and Configuration → Planning	Added a new section on installing a Single Master and Node on One System.
Configuring the SDN	Fixed command error in the Migrating from ovs-multitenant to ovs-networkpolicy section.
Setting up the Registry → Securing and Exposing the Registry	Added default registry to the example in the Manually Securing the Registry section.
Configuring Global Build Defaults and Overrides	Changed the units from `m` to `Mi` in the Example Build Defaults Configuration.
Installing a Cluster → Prerequisites	Added more information about port 1936 to the Required Ports section.
Installing a Cluster → Disconnected Installation	Updated the example in the Editing the Image Stream Definitions section.

Table 27. Architecture
Affected Topic	Description of Change
Builds and Image Streams	Added more information to the Image Streams section.
Infrastructure Components → Kubernetes Infrastructure	Changed the maximum number of nodes from 300 to 2000.

Table 28. Developer Guide
Affected Topic	Description of Change
Build Inputs	Added an example of a Dockerfile referencing secret data in the Docker Strategy section.
Build Inputs	Updated `git clone` behavior in the Git Source section.

Mon Jan 22 2018

Table 29. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHBA-2018:0113 - OpenShift Container Platform 3.6.173.0.96 Bug Fix and Enhancement Update.

Wed Jan 10 2018

Table 30. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHBA-2018:0076 - OpenShift Container Platform 3.6.173.0.83-10 Images Update.

Mon Jan 08 2018

Table 31. Scaling Performance
Affected Topic	Description of Change
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.

Table 32. Security
Affected Topic	Description of Change
Container Security Guide	Added new topic on monitoring cluster events and logs

Table 33. Architecture
Affected Topic	Description of Change
Builds and Image Streams	Added more information to the Image Streams section.

Table 34. Using Images
Affected Topic	Description of Change
Jenkins	Clarified ConfigMap and PodTemplate sync definitions in Using the Jenkins Kubernetes Plug-in to Run Jobs section.

Table 35. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.
Installation and Configuration → Planning	Added a new section on installing a Single Master and Node on One System.
Configuring the SDN	Fixed command error in the Migrating from ovs-multitenant to ovs-networkpolicy section.
Setting up the Registry → Securing and Exposing the Registry	Added default registry to the example in the Manually Securing the Registry section.
Configuring Global Build Defaults and Overrides	Changed the units from `m` to `Mi` in the Example Build Defaults Configuration.
Installing a Cluster → Prerequisites	Added more information about port 1936 to the Required Ports section.

Fri Dec 22 2017

Table 36. Scaling Performance
Affected Topic	Description of Change
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.

Table 37. Security
Affected Topic	Description of Change
Container Security Guide	Added new topic on monitoring cluster events and logs

Table 38. Architecture
Affected Topic	Description of Change
Builds and Image Streams	Added more information to the Image Streams section.

Table 39. Using Images
Affected Topic	Description of Change
Jenkins	Clarified ConfigMap and PodTemplate sync definitions in Using the Jenkins Kubernetes Plug-in to Run Jobs section.

Table 40. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.
Installation and Configuration → Planning	Added a new section on installing a Single Master and Node on One System.
Configuring the SDN	Fixed command error in the Migrating from ovs-multitenant to ovs-networkpolicy section.
Setting up the Registry → Securing and Exposing the Registry	Added default registry to the example in the Manually Securing the Registry section.
Configuring Global Build Defaults and Overrides	Changed the units from `m` to `Mi` in the Example Build Defaults Configuration.
Installing a Cluster → Prerequisites	Added more information about port 1936 to the Required Ports section.

Thu Dec 14 2017

Table 41. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHBA-2017:3438 - OpenShift Container Platform 3.6.173.0.83 Bug Fix and Enhancement Update.

Mon Dec 11 2017

Table 42. Scaling Performance
Affected Topic	Description of Change
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.

Table 43. Security
Affected Topic	Description of Change
Container Security Guide	Added new topic on monitoring cluster events and logs

Table 44. Architecture
Affected Topic	Description of Change
Builds and Image Streams	Added more information to the Image Streams section.

Table 45. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.
Installation and Configuration → Planning	Added a new section on installing a Single Master and Node on One System.
Configuring the SDN	Fixed command error in the Migrating from ovs-multitenant to ovs-networkpolicy section.

Wed Dec 06 2017

Table 46. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHSA-2017:3389 - Moderate: OpenShift Container Platform 3.6.173.0.63 Security, Bug Fix, and Enhancement Update.

Tue Nov 21 2017

Table 47. Scaling Performance
Affected Topic	Description of Change
Optimizing Storage	Added the General Storage Guidelines section for optimizing OpenShift storage.

Table 48. Security
Affected Topic	Description of Change
Container Security Guide	Added new topic on monitoring cluster events and logs

Table 49. Architecture
Affected Topic	Description of Change
Builds and Image Streams	Added more information to the Image Streams section.

Table 50. Developer Guide
Affected Topic	Description of Change
Application Life Cycle Management → Creating New Applications	New section on Searching for Images, Templates, and Other Inputs when creating new applications.

Table 51. Cluster Administration
Affected Topic	Description of Change
Manging Nodes	Added new section on Resetting Docker Storage to free up space on nodes.

Table 52. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.
Installation and Configuration → Planning	Added a new section on installing a Single Master and Node on One System.

Fri Nov 10 2017

Table 53. Cluster Administration
Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.

Table 54. Developer Guide
Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Binary Builds	Added Binary Builds Tutorial.

Table 55. Installation and Configuration
Affected Topic	Description of Change
Installation and Configuration → Prerequisites	Added note to make sure the lastest version of Glusterfs is installed.
Setting up the Registry → Extended Registry Configuration	Added more content to the Image Pullthrough section.

Fri Nov 03 2017

Table 56. Cluster Administration
Affected Topic	Description of Change
Encrypting Data at Datastore Layer	Added a note that etcd v3 or later is required in order to use data encyption.

Table 57. Architecture
Affected Topic	Description of Change
Networking → Routes	Added `ROUTER_BACKEND_PROCESS_ENDPOINTS` to the Router Environment Variables table.

Table 58. Developer Guide
Affected Topic	Description of Change
Managing Volumes	Added `--configmap-name` to the Supported Options for Adding Volumes table.

Table 59. Installation and Configuration
Affected Topic	Description of Change
Installing a Cluster → Advanced Installation	Added the `openshift_master_admission_plugin_config` parameter to the Cluster Variables table.
Configuring Global Build Defaults and Overrides	Added a note on limiting how long pods can run and a link to RunOnceDuration plugin.
Containerized Heketi for managing dedicated GlusterFS storage	Added an example with instructions to install Heketi on OpenShift and use to manage external GlusterFS storage

Wed Oct 25 2017

Table 60. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHBA-2017:3049 - OpenShift Container Platform 3.6.173.0.49 images update.

Tue Oct 24 2017

Table 61. Cluster Administration
Affected Topic	Description of Change
Backup and Restore	Added a new Containerized etcd Deployments section.

Table 62. Scaling Performance
Affected Topic	Description of Change
Recommended Host Practices	Added a new Providing Storage to an etcd Node Using PCI Passthrough with OpenStack section.

Mon Oct 16 2017

Table 63. Installation and Configuration
Affected Topic	Description of Change
Upgrading a Cluster → Performing Manual In-place Cluster upgrades	Added a step in Preparing for a Manual upgrade section to obtain the latest image stream.
Upgrading a Cluster → Performing Automated In-place Cluster upgrades	Added a step in Preparing for an Automated upgrade section to obtain the latest image stream.
Enabling Cluster Metrics	Added `*_nodeselector` variables to the table in the Specifying Metrics Ansible Variables section.
Syncing Groups With LDAP	Noted that all attribute data coming from the LDAP server must be in the format of a UTF-8 encoded string.

Table 64. Developer Guide
Affected Topic	Description of Change
Manging Images	Clarified wording around Image Streams and added new section on Adding Trusted Certificates for External Registries.

Wed Oct 11 2017

Table 65. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHBA-2017:2847 - OpenShift Container Platform 3.6.173.0.21 images update.

Table 66. Installation and Configuration
Affected Topic	Description of Change
Aggregating Container Logs	Added the `openshift_logging_es_number_of_replicas` and `openshift_logging_es_number_of_shards` variables to the table in Specifying Logging Ansible Variables.
Installing a Cluster → Advanced Installation	Added the Configuring Registry Storage section.

Table 67. Cluster Administration
Affected Topic	Description of Change
Pruning Objects	Added details on secure versus insecure image pruning.
Backup and Restore	Added a new Registry Certificates Backup section.

Mon Oct 02 2017

Table 68. Cluster Administration
Affected Topic	Description of Change
Managing Networking	Added more information to the VMWare vSphere section.
Encrypting Data at Datastore Layer	Removed the "experimental support" language for the data encryption feature, as the feature is fully supported as of v3.6.

Table 69. Installation and Configuration
Affected Topic	Description of Change
Setting up the Registry → Securing and Exposing the Registry	Updated procedures including the caveat that the registry is secured and exposed by default during initial cluster installations. (BZ#1481798)
Setting up the Registry → Extended Registry Configuration	Added note clarifying that the mirroring feature is different from the upstream feature in the Image Pullthrough section.
Installation and Configuration → Prerequisites	Removed information on disabling DNSMSQ from the DNS section. DNSMSQ must be enabled starting in version 3.6.
Enabling Cluster Metrics	Added link to upstream documentation in the Accessing Hawkular Metrics Directly section.

Fri Sep 22 2017

Table 70. Installation and Configuration
Affected Topic	Description of Change
Advanced Installation	Added a note that the default HAProxy load balancer is intended for non-production environments.
Configuring Authentication and User Agent	Added information on manually provisioning a user and identity when using the `lookup` mapping method for authenticating.
Setting up a Router → Using the F5 Router Plug-in	Removed the deprecated `--credentials` option from the Setting Up F5 Native Integration section.
Installing a Cluster → Disconnected Installation	Added a note to the Syncing Images section about the need for `ose-recycler` when using NFS.
Upgrading a Cluster → Performing Automated In-place Cluster upgrades	Added a note to the Upgrading to the Latest OpenShift Container Platform 3.6 Release section about the 'deployment_type' name change.
Redeploying Certificates	Added a note to the Redeploying Certificates section about certificate expiration.

Mon Sep 18 2017

Table 71. Cluster Administration
Affected Topic	Description of Change
Diagnostics Tool	Added more information about tool usage to the Using the Diagnostics Tool section.
Opaque Integer Resources	Moved information on opaque integer resources to Administrator Guide
Setting Limit Ranges	Added link to information on how CPU and memory are calculated.

Table 72. Developer guide
Affected Topic	Description of Change
Build Inputs	Clarified the Automatically Adding a Source Clone Secret to a Build Configuration section.
Integrating External Services	Added context and use cases for the `ExternalName` parameter.
Pod Autoscaling	Added information on how resource startup spikes are handled to avoid autoscaling.
Managing Images	Noted that `importPolicy.scheduled` is disabled by default.

Table 73. Installation and Configuration
Affected Topic	Description of Change
Setting up a Router → Using the F5 Router Plug-in	Added to the Prerequisites and Supportability section with supportability information.
Upgrading → Migrating etcd Data: v2 to v3	New topic on migrating etcd data from v2 to v3.
Disconnected Installation	Updated the list of required and optional images to download.
Setting Up a Router → Using the F5 Router Plug-in	Added an F5 support statement
Securing the Registry	Updated commands for registry installation.
Extended Registry Configuration	Updated commands for registry installation and added steps to use a ConfigMap not secrets to override registry defaults.
Accessing the Registry	Updated commands for registry installation.

Fri Sep 08 2017

Table 74. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHBA-2017:2642 - OpenShift Container Platform 3.6.1 bug fix and enhancement update.

Table 75. Cluster Administration
Affected Topic	Description of Change
Encrypting Data at Datastore Layer	New topic on how to enable and configure encryption of secret data at the datastore layer.

Wed Sep 06 2017

Table 76. Architecture
Affected Topic	Description of Change
Core Concepts → Routes	Added the Alternate Backends section, and various information about multiple deployments.

Table 77. Installation and Configuration
Affected Topic	Description of Change
Aggregating Container Logs	Updated `openshift-ansible` playbook steps in the Troubleshooting Kibana section.
Advanced Installation	Clarified information about using a non-default registry and router in the Configuring a Registry Location section.
Using the Default HAProxy Router	Added information on needing separate DNS entries for routing shards to the Using Router Shards section.

Table 78. Developer Guide
Affected Topic	Description of Change
Routes	Added a file path to the unsecured route CLI example in the Creating Routes section.
Deployments → Deployment Strategies	Added information about running multiple deployments.
Deployments → Advanced Deployment Strategies	Added information about running multiple deployments.

Thu Aug 31 2017

Table 79. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHBA-2017:1829 - OpenShift Container Platform 3.6.173 Bug Fix Update.

Tue Aug 29 2017

Table 80. Architecture
Affected Topic	Description of Change
Additional Concepts → OpenShift SDN	Corrected `vxlan0` to `vxlan_sys_4789` in the Design on Nodes section.

Table 81. Installation and Configuration
Affected Topic	Description of Change
Aggregating Container Logs	Corrected the link to the logging yaml file example in the Specifying Logging Ansible Variables section.
Master and Node Configuration	Expanded `openshift_master_audit_config` details.
Installing a Cluster → Advanced Installation	Added `openshift_master_audit_config` details.
Configuring Azure Blob Storage for Integrated Docker Registry	Added an example for configuring Azure Blob Storage for OpenShift Integrated Docker Registry.

Table 82. Cluster Administration
Affected Topic	Description of Change
Image Policy	Added note clarifying the need for the image prefix to set the default registry string in the Configuring the ImagePolicy Admission Plug-in section.
Pruning Objects	Added valid units of measurement for `--keep-younger-than`.
Troubleshooting OpenShift SDN	Changed the Further Help section to Finding Network Issues Using the Diagnostics Tool and added information about the Diagnostic Tool.
Troubleshooting OpenShift SDN	Corrected `vxlan0` to `vxlan_sys_4789` in the Debugging Local Networking section.

Fri Aug 25 2017

Table 83. Installation and Configuration
Affected Topic	Description of Change
Upgrading a Cluster → Known Issues	New topic cataloging workarounds to known cluster upgrade issues.
Setting up the Registry → Deploying a Registry on Existing Clusters	Removed Technology Preview notice from the Deploying the Registry as a DaemonSet section.

Table 84. Developer Guide
Affected Topic	Description of Change
Using Daemonsets	Removed Technology Preview notice.

Tue Aug 22 2017

Table 85. Architecture
Affected Topic	Description of Change
Additional Concepts → F5 BIG-IP® Router Plug-in	Added information about the necessary F5 BIG-IP® versions to the F5 Native Integration section.

Table 86. Installation & Configuration
Affected Topic	Description of Change
Installing a Cluster → Prerequisites	Added the Using OverlayFS section.

Table 87. Cluster Administration
Affected Topic	Description of Change
Managing Networking	Added admonition to the Using an Egress Router to Allow External Resources to Recognize Pod Traffic section about Amazon AWS not working with the egress router.
Diagnostics Tool	Enhanced the Ansible-based Health Checks section with information on running via ansible-playbook or Docker CLI.

Table 88. Scaling and Performance Guide
Affected Topic	Description of Change
Optimizing Compute Resources	Added the Debugging Using Ansible-based Health Checks section.

Thu Aug 17 2017

Table 89. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for RHEA-2017:2475 - OpenShift Container Platform 3.6.173.0.5-4 Images Update.

Mon Aug 14 2017

Table 90. Installation and Configuration
Affected Topic	Description of Change
Advanced Installation	Added information on configuring the default ports used by the master API and web console.

Table 91. Cluster Administration
Affected Topic	Description of Change
Garbage Collection	Changed the `image-gc-high-threshold` default value to 85 from 90.
High Availability	Added verbiage clarifying the example outlined in the Configuring a Highly-available Service section.

Table 92. Scaling and Performance Guide
Affected Topic	Description of Change
Routing and Network Optimization	Added the Optimizing the MTU for Your Network section.

Wed Aug 09 2017

OpenShift Container Platform 3.6 Initial Release

Table 93. Release Notes
Affected Topic	Description of Change
OpenShift Container Platform 3.6 Release Notes	Added release notes for initial release.

Table 94. Getting Started
Affected Topic	Description of Change
Overview	Added Introduction and Why should I use OpenShift? sections.
Install OpenShift Container Platform	New topic describing how to install a basic OpenShift Container Platform environment.
Configure OpenShift Container Platform	New topic describing how to configure a basic OpenShift Container Platform environment.
Create and Build an Image Using the Web Console	Updated topic title and removed link to outdated video.
Create and Build an Image Using the CLI	Updated topic title and removed link to outdated video.

Table 95. Architecture
Affected Topic	Description of Change
Core Concepts → Routes	Added information about the `DEFAULT_DESTINATION_CA_PATH` environment variable.
	Described the `ROUTER_SYSLOG_FORMAT` environment variable.
	Added the Router Cipher Suite section and various changes about ciphers.
	Added the HAProxy Strict SNI section
	Added the Route-specific IP Whitelists section.
Additional Concepts → Authorization	Users no longer need cluster administrator privileges to create a role binding that references a role in their namespace.
Additional Concepts → Authorization	Updated SCC capabilities information.
Additional Concepts → Persistent Storage	Added the Mount Options section.

Table 96. Container Security Guide
Affected Topic	Description of Change
Deployment	Added the Controlling What Image Sources Can Be Deployed section.

Table 97. Installation and Configuration
Affected Topic	Description of Change
Installing a Cluster → Prerequisites	Added disk requirements other than */var/*.
Installing a Cluster → Host Preparation	Added the Enabling Image Signature Support section.
Installing a Cluster → Host Preparation	Updated the Installing Base Packages section to add alternative instructions for preparing for the containerized installer.
Installing a Cluster → Advanced Installation	Added subsections to the Running the Advanced Installation section: Running the RPM-based Installer for the existing procedure and a new Running the Containerized Installer procedure.
	Added Enabling the Service Catalog, Configuring the Ansible Service Broker, Configuring the Template Service Broker, and Deploying the Template Service Broker sections.
	Added Configuring Cluster Pre-install Checks section.
	Added `openshift_template_service_broker_namespaces` to the Cluster Variables table.
	The `deployment_type` parameter is now `openshift_deployment_type`.
Installing a Cluster → Installing a Stand-alone OpenShift Container Registry	The `deployment_type` parameter is now `openshift_deployment_type`.
Setting Up the Registry → Accessing the Registry	Added the Accessing Registry Metrics section.
Setting Up the Registry → Extended Registry Configuration	Added the OpenShift section.
Setting up a Router → Using the Default HAProxy Router	Updated the default values for ARP cache size on nodes in the ARP Cache Tuning for Large-scale Clusters section.
	Added the TLS Cipher Suites section and various changes about ciphers.
	Added a new HAProxy Strict SNI section.
Setting up a Router → Using the F5 Router Plug-in	Added prerequisite information to the F5 Router Partition Paths section.
Upgrading a Cluster → Performing Automated In-place Cluster upgrades	The `deployment_type` parameter is now `openshift_deployment_type`.
Configuring for VMWare vSphere	Added the Configuring for VMWare vSphere topic.
Configuring Persistent Storage → Persistent Storage Using VMWare vSphere Volume	Added the Persistent Storage Using VMWare vSphere Volume topic.
Configuring Persistent Storage → Volume Security	Removed the volume type `svirt_sandbox_file_t` from the SELinux Options section.
Configuring Persistent Storage → Persistent Storage Using iSCSI	Added information about multipath portals and Challenge Handshake Authentication Protocol (CHAP) configuration.
Aggregating Container Logs	Added content to reference the use of Kibana certificates.
	Added Exported Fields section.
	Added Kibana Visualize section.
Configuring Persistent Storage → Persistent Storage Using FlexVolume Plug-ins	New topic about using FlexVolume plug-ins.
Configuring Persistent Storage → Dynamic Provisioning and Creating Storage Classes	Added Changing the Default StorageClass section.
Configuring Persistent Storage → iSCSI Multipathing	Added a new topic for multipath support for iSCSI volume plugin.
Customizing the Web Console	Added a new Application Launcher section.
Customizing the Web Console	Added a new Extension Option for External Logging Solutions section.
Deploying External Persistent Volume Provisioners	Added new topic for external provisioners.

Table 98. Administrator Solutions
Affected Topic	Description of Change
Master and Node Configuration	The `deployment_type` parameter is now `openshift_deployment_type`.

Table 99. Cluster Administration
Affected Topic	Description of Change
Managing Pods	Added information about allowing domain names in `EgressNetworkPolicy`.
Managing Networking	Added an admonition about DNS and egress network policy to the Using an Egress Firewall to Limit Access to External Resources section.
	Added procedure to the Enabling NetworkPolicy section.
	Removed the Technology Preview designation for SDN Multicast.
	Added the Using iptables Rules to Limit Access to External Resources section, and various edits.
	Added a note about limitations with the egress network policy.
	Added the Egress Router Modes, Redirecting to Multiple Destinations, Using a ConfigMap to specify EGRESS_DESTINATION, and Deploying an Egress Router Pod in Redirect Mode sections, as well as various content changes.
	Added the Disabling Host Name Collision Prevention For Ingress Objects section.
Image Policy	Added details about using image streams in Kubernetes resources.
Image Signatures	Added the Verifying Image Signatures Using OpenShift CLI section.
Scheduling	Added subsections for new scheduling features. Moved the current Scheduling topic into section as Default Scheduling.
Setting Quotas	Added list of storage resources that can be managed by quota to the Resources Managed by Quota section and added gold and bronze storage classes to `storage-consumption.yaml` example.
Pruning Objects	Added note to Pruning Builds linking to the Build Pruning section.
Overcommitting	Added the Tune Buffer Chunk Limit section.
Overcommitting	Added new section on reserving resources for pods based on QOS level.
Monitoring and Debugging Routers	Described the `ROUTER_SYSLOG_FORMAT` environment variable.
Diagnostics Tool	Added Additional Diagnostic Checks via Ansible section.
Analyzing Cluster Capacity	Added the Analyzing Cluster Capacity file.

Table 100. Scaling and Performance Guide
Affected Topic	Description of Change
Recommended Host Practices	Updated etcd performance guidance.
Routing and Network Optimization	Added a new section on performance optimizations for the HAProxy router.

Table 101. Developer Guide
Affected Topic	Description of Change
Migrating Applications → Migrating Web Framework Applications	Added information on migrating Ghost applications.
Builds → Build Strategy Options	Added links pointing to the Build Environment chapter, and added content on mapping between `BuildConfig` environment variables and Jenkins job parameters to the Environment Variables section.
	Added a new Environment Variable section to include information on how to make environment variables available to the Pipeline build process.
	Added a new section on adding Docker build arguments.
Builds → Triggering Builds	Added a new section on Setting Triggers Manually.
Builds → Triggering Builds	Added new sections on GitLab and Bitbucket webhooks.
Builds → Build Environment	Added Build Environment chapter.
Builds → Advanced Build Operations	Added the Build Pruning section.
Builds → Advanced Build Operations	Corrected example chained build indentation in Chaining Builds section.
Templates	Clarified that Kubernetes' JSONPath implementation interprets some characters as metacharacters, regardless of their position in the expression, unless they are escaped with a backslash.
Templates	Added a new Exposing Object Fields section.
Managing Images	Added Pulling from Private Registries with Delegated Authentication section, including steps for using the Red Hat Connect Partner Registry (`registry.connect.redhat.com`)
	Noted that the tracking tag works correctly only within a single image stream.
	Added a new section on Using Image Streams with Kubernetes Resources, a Technology Preview feature.
Getting Traffic into the Cluster	Added information about the cluster accepting IPV6 traffic.
ConfigMaps	Added information on injecting environment variables into pods at creation to the Consuming in Environment Variable section.
Downward API	Updated `.json` references to `.yaml`, and added valueFrom content to the Downward API chapter.
Projected Volumes	Added new section on Kubernetes projected volumes to the Developer Guide.
Pod Autoscaling	Added the Autoscaling for Memory Utilization and changed parts of the section to be specific to CPU Utilization.

Table 102. Using Images
Affected Topic	Description of Change
Jenkins	Added `slave-label` explanation to the image stream or image stream tag in the pod template in the Using the Jenkins Kubernetes Plug-in to Run Jobs section.
	Added content to the Using the Jenkins Kubernetes Plug-in to Run Jobs section for new pod template support.
	New sections about OpenShift Container Platform Client Plug-in and OpenShift Container Platform Sync Plug-in.

Table 103. REST API Reference
Affected Topic	Description of Change
OpenShift Container Platform v1 REST API	Added information about allowing domain names in `EgressNetworkPolicy`.