From ca9f4f08fbf14f9edfa7331e327cf92a25cd4401 Mon Sep 17 00:00:00 2001 From: Andrew Butcher Date: Tue, 22 Sep 2015 16:42:36 -0400 Subject: Various HA changes for pacemaker and native methods. --- inventory/byo/hosts.example | 53 +++++++++++++++++++++++++++++++-------------- 1 file changed, 37 insertions(+), 16 deletions(-) (limited to 'inventory/byo') diff --git a/inventory/byo/hosts.example b/inventory/byo/hosts.example index d6c9c3ab6..11f076a8a 100644 --- a/inventory/byo/hosts.example +++ b/inventory/byo/hosts.example @@ -21,6 +21,9 @@ ansible_ssh_user=root # deployment type valid values are origin, online and enterprise deployment_type=atomic-enterprise +# Enable cluster metrics +#use_cluster_metrics=true + # Pre-release registry URL #oreg_url=example.com/openshift3/ose-${component}:${version} @@ -55,27 +58,27 @@ openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true', # Set cockpit plugins #osm_cockpit_plugins=['cockpit-kubernetes'] -# master cluster ha variables using pacemaker or RHEL HA -#openshift_master_cluster_password=openshift_cluster -#openshift_master_cluster_vip=192.168.133.25 -#openshift_master_cluster_public_vip=192.168.133.25 +# Native high availbility cluster method with optional load balancer. +# If no lb group is defined installer assumes that a load balancer has +# been preconfigured. For installation the value of +# openshift_master_cluster_hostname must resolve to the load balancer +# or to one or all of the masters defined in the inventory if no load +# balancer is present. +#openshift_master_cluster_method=native #openshift_master_cluster_hostname=openshift-ansible.test.example.com #openshift_master_cluster_public_hostname=openshift-ansible.test.example.com -# master cluster ha variables when using a different HA solution -# For installation the value of openshift_master_cluster_hostname must resolve -# to the first master defined in the inventory. -# The HA solution must be manually configured after installation and must ensure -# that the master is running on a single master host. +# Pacemaker high availability cluster method. +# Pacemaker HA environment must be able to self provision the +# configured VIP. For installation openshift_master_cluster_hostname +# must resolve to the configured VIP. +#openshift_master_cluster_method=pacemaker +#openshift_master_cluster_password=openshift_cluster +#openshift_master_cluster_vip=192.168.133.25 +#openshift_master_cluster_public_vip=192.168.133.25 #openshift_master_cluster_hostname=openshift-ansible.test.example.com #openshift_master_cluster_public_hostname=openshift-ansible.test.example.com -#openshift_master_cluster_defer_ha=True -# Native clustering with haproxy as an optional load balancer -#openshift_master_cluster_hostname=openshift-ansible.test.example.com -#openshift_master_cluster_public_hostname=openshift-ansible.test.example.com -#openshift_master_cluster_vip=192.168.133.25 -#openshift_master_cluster_public_vip=192.168.133.25 # Override the default controller lease ttl #osm_controller_lease_ttl=30 @@ -110,6 +113,22 @@ openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true', # Detected names may be overridden by specifying the "names" key #openshift_master_named_certificates=[{"certfile": "/path/to/custom1.crt", "keyfile": "/path/to/custom1.key", "names": ["public-master-host.com"]}] +# Session options +#openshift_master_session_name=ssn +#openshift_master_session_max_seconds=3600 + +# An authentication and encryption secret will be generated if secrets +# are not provided. If provided, openshift_master_session_auth_secrets +# and openshift_master_encryption_secrets must be equal length. +# +# Signing secrets, used to authenticate sessions using +# HMAC. Recommended to use secrets with 32 or 64 bytes. +#openshift_master_session_auth_secrets=['DONT+USE+THIS+SECRET+b4NV+pmZNSO'] +# +# Encrypting secrets, used to encrypt sessions. Must be 16, 24, or 32 +# characters long, to select AES-128, AES-192, or AES-256. +#openshift_master_session_encryption_secrets=['DONT+USE+THIS+SECRET+b4NV+pmZNSO'] + # host group for masters [masters] ose3-master[1:3]-ansible.test.example.com @@ -120,7 +139,9 @@ ose3-etcd[1:3]-ansible.test.example.com [lb] ose3-lb-ansible.test.example.com -# host group for nodes +# NOTE: Currently we require that masters be part of the SDN which requires that they also be nodes +# However, in order to ensure that your masters are not burdened with running pods you should +# make them unschedulable by adding openshift_scheduleable=False any node that's also a master. [nodes] ose3-master[1:3]-ansible.test.example.com ose3-node[1:2]-ansible.test.example.com openshift_node_labels="{'region': 'primary', 'zone': 'default'}" -- cgit v1.2.3