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Chapter 2. Example deployment: High availability cluster with Compute and Ceph

This example scenario shows the architecture, hardware and network specifications, and the undercloud and overcloud configuration files for a high availability deployment with the OpenStack Compute service and Red Hat Ceph Storage.

Important

This deployment is intended to use as a reference for test environments and is not supported for production environments.

Figure 2.1. Example high availability deployment architecture

2.1. Example high availability hardware specifications
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The example HA deployment uses a specific hardware configuration. You can adjust the CPU, memory, storage, or NICs as needed in your own test deployment.

Expand

Table 2.1. Physical computers
Number of Computers	Purpose	CPUs	Memory	Disk Space	Power Management	NICs
1	undercloud node	4	24 GB	40 GB	IPMI	2 (1 external; 1 on provisioning) + 1 IPMI
3	Controller nodes	4	24 GB	40 GB	IPMI	3 (2 bonded on overcloud; 1 on provisioning) + 1 IPMI
3	Ceph Storage nodes	4	24 GB	40 GB	IPMI	3 (2 bonded on overcloud; 1 on provisioning) + 1 IPMI
2	Compute nodes (add more as needed)	4	24 GB	40 GB	IPMI	3 (2 bonded on overcloud; 1 on provisioning) + 1 IPMI

2.2. Example high availability network specifications
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The example HA deployment uses a specific virtual and physical network configuration. You can adjust the configuration as needed in your own test deployment.

Note

This example does not include hardware redundancy for the control plane and the provisioning network where the overcloud keystone admin endpoint is configured. For information about planning your high availability networking, see Section 1.3, “Planning high availability networking”.

Expand

Table 2.2. Physical and virtual networks
Physical NICs	Purpose	VLANs	Description
eth0	Provisioning network (undercloud)	N/A	Manages all nodes from director (undercloud)
eth1 and eth2	Controller/External (overcloud)	N/A	Bonded NICs with VLANs
	External network	VLAN 100	Allows access from outside the environment to the project networks, internal API, and OpenStack Horizon Dashboard
	Internal API	VLAN 201	Provides access to the internal API between Compute nodes and Controller nodes
	Storage access	VLAN 202	Connects Compute nodes to storage media
	Storage management	VLAN 203	Manages storage media
	Project network	VLAN 204	Provides project network services to RHOSP

2.3. Example high availability undercloud configuration files
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The example HA deployment uses the undercloud configuration files instackenv.json, undercloud.conf, and network-environment.yaml.

The instackenv.json file:

{
      "nodes": [
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.11",
          "mac": [
            "2c:c2:60:3b:b3:94"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.12",
          "mac": [
            "2c:c2:60:51:b7:fb"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.13",
          "mac": [
            "2c:c2:60:76:ce:a5"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.51",
          "mac": [
            "2c:c2:60:08:b1:e2"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.52",
          "mac": [
            "2c:c2:60:20:a1:9e"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.53",
          "mac": [
            "2c:c2:60:58:10:33"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.101",
          "mac": [
            "2c:c2:60:31:a9:55"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "2",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.102",
          "mac": [
            "2c:c2:60:0d:e7:d1"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "2",
          "pm_user": "admin"
         }
      ],
      "overcloud": {"password": "7adbbbeedc5b7a07ba1917e1b3b228334f9a2d4e",
      "endpoint": "http://192.168.1.150:5000/v2.0/"
                   }
}

{
      "nodes": [
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.11",
          "mac": [
            "2c:c2:60:3b:b3:94"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.12",
          "mac": [
            "2c:c2:60:51:b7:fb"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.13",
          "mac": [
            "2c:c2:60:76:ce:a5"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.51",
          "mac": [
            "2c:c2:60:08:b1:e2"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.52",
          "mac": [
            "2c:c2:60:20:a1:9e"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.53",
          "mac": [
            "2c:c2:60:58:10:33"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "1",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.101",
          "mac": [
            "2c:c2:60:31:a9:55"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "2",
          "pm_user": "admin"
        },
        {
          "pm_password": "testpass",
          "memory": "24",
          "pm_addr": "10.100.0.102",
          "mac": [
            "2c:c2:60:0d:e7:d1"
          ],
          "pm_type": "ipmi",
          "disk": "40",
          "arch": "x86_64",
          "cpu": "2",
          "pm_user": "admin"
         }
      ],
      "overcloud": {"password": "7adbbbeedc5b7a07ba1917e1b3b228334f9a2d4e",
      "endpoint": "http://192.168.1.150:5000/v2.0/"
                   }
}

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The undercloud.conf file:

[DEFAULT]
image_path = /home/stack/images
local_ip = 10.200.0.1/24
undercloud_public_vip = 10.200.0.2
undercloud_admin_vip = 10.200.0.3
undercloud_service_certificate = /etc/pki/instack-certs/undercloud.pem
local_interface = eth0
masquerade_network = 10.200.0.0/24
dhcp_start = 10.200.0.5
dhcp_end = 10.200.0.24
network_cidr = 10.200.0.0/24
network_gateway = 10.200.0.1
#discovery_interface = br-ctlplane
discovery_iprange = 10.200.0.150,10.200.0.200
discovery_runbench = 1
undercloud_admin_password = testpass
...

[DEFAULT]
image_path = /home/stack/images
local_ip = 10.200.0.1/24
undercloud_public_vip = 10.200.0.2
undercloud_admin_vip = 10.200.0.3
undercloud_service_certificate = /etc/pki/instack-certs/undercloud.pem
local_interface = eth0
masquerade_network = 10.200.0.0/24
dhcp_start = 10.200.0.5
dhcp_end = 10.200.0.24
network_cidr = 10.200.0.0/24
network_gateway = 10.200.0.1
#discovery_interface = br-ctlplane
discovery_iprange = 10.200.0.150,10.200.0.200
discovery_runbench = 1
undercloud_admin_password = testpass
...

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The network-environment.yaml file:

resource_registry:
  OS::TripleO::BlockStorage::Net::SoftwareConfig: /home/stack/templates/nic-configs/cinder-storage.yaml
  OS::TripleO::Compute::Net::SoftwareConfig: /home/stack/templates/nic-configs/compute.yaml
  OS::TripleO::Controller::Net::SoftwareConfig: /home/stack/templates/nic-configs/controller.yaml
  OS::TripleO::ObjectStorage::Net::SoftwareConfig: /home/stack/templates/nic-configs/swift-storage.yaml
  OS::TripleO::CephStorage::Net::SoftwareConfig: /home/stack/templates/nic-configs/ceph-storage.yaml

parameter_defaults:
  InternalApiNetCidr: 172.16.0.0/24
  TenantNetCidr: 172.17.0.0/24
  StorageNetCidr: 172.18.0.0/24
  StorageMgmtNetCidr: 172.19.0.0/24
  ExternalNetCidr: 192.168.1.0/24
  InternalApiAllocationPools: [{start: 172.16.0.10, end: 172.16.0.200}]
  TenantAllocationPools: [{start: 172.17.0.10, end: 172.17.0.200}]
  StorageAllocationPools: [{start: 172.18.0.10, end: 172.18.0.200}]
  StorageMgmtAllocationPools: [{start: 172.19.0.10, end: 172.19.0.200}]
  # Leave room for floating IPs in the External allocation pool
  ExternalAllocationPools: [{start: 192.168.1.150, end: 192.168.1.199}]
  InternalApiNetworkVlanID: 201
  StorageNetworkVlanID: 202
  StorageMgmtNetworkVlanID: 203
  TenantNetworkVlanID: 204
  ExternalNetworkVlanID: 100
  # Set to the router gateway on the external network
  ExternalInterfaceDefaultRoute: 192.168.1.1
  # Set to "br-ex" if using floating IPs on native VLAN on bridge br-ex
  NeutronExternalNetworkBridge: "''"
  # Customize bonding options if required
  BondInterfaceOvsOptions:
    "bond_mode=active-backup lacp=off other_config:bond-miimon-interval=100"

resource_registry:
  OS::TripleO::BlockStorage::Net::SoftwareConfig: /home/stack/templates/nic-configs/cinder-storage.yaml
  OS::TripleO::Compute::Net::SoftwareConfig: /home/stack/templates/nic-configs/compute.yaml
  OS::TripleO::Controller::Net::SoftwareConfig: /home/stack/templates/nic-configs/controller.yaml
  OS::TripleO::ObjectStorage::Net::SoftwareConfig: /home/stack/templates/nic-configs/swift-storage.yaml
  OS::TripleO::CephStorage::Net::SoftwareConfig: /home/stack/templates/nic-configs/ceph-storage.yaml

parameter_defaults:
  InternalApiNetCidr: 172.16.0.0/24
  TenantNetCidr: 172.17.0.0/24
  StorageNetCidr: 172.18.0.0/24
  StorageMgmtNetCidr: 172.19.0.0/24
  ExternalNetCidr: 192.168.1.0/24
  InternalApiAllocationPools: [{start: 172.16.0.10, end: 172.16.0.200}]
  TenantAllocationPools: [{start: 172.17.0.10, end: 172.17.0.200}]
  StorageAllocationPools: [{start: 172.18.0.10, end: 172.18.0.200}]
  StorageMgmtAllocationPools: [{start: 172.19.0.10, end: 172.19.0.200}]
  # Leave room for floating IPs in the External allocation pool
  ExternalAllocationPools: [{start: 192.168.1.150, end: 192.168.1.199}]
  InternalApiNetworkVlanID: 201
  StorageNetworkVlanID: 202
  StorageMgmtNetworkVlanID: 203
  TenantNetworkVlanID: 204
  ExternalNetworkVlanID: 100
  # Set to the router gateway on the external network
  ExternalInterfaceDefaultRoute: 192.168.1.1
  # Set to "br-ex" if using floating IPs on native VLAN on bridge br-ex
  NeutronExternalNetworkBridge: "''"
  # Customize bonding options if required
  BondInterfaceOvsOptions:
    "bond_mode=active-backup lacp=off other_config:bond-miimon-interval=100"

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2.4. Example high availability overcloud configuration files
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The example HA deployment uses the overcloud configuration files haproxy.cfg, corosync.cfg, and ceph.cfg.

This file identifies the services that HAProxy manages. It contains the settings for the services that HAProxy monitors. This file is identical on all Controller nodes: ./var/lib/config-data/puppet-generated/haproxy/etc/haproxy/haproxy.cfg.

This file is managed by Puppet

# This file is managed by Puppet
global
  daemon
  group  haproxy
  log  /dev/log local0
  maxconn  20480
  pidfile  /var/run/haproxy.pid
  ssl-default-bind-ciphers  !SSLv2:kEECDH:kRSA:kEDH:kPSK:+3DES:!aNULL:!eNULL:!MD5:!EXP:!RC4:!SEED:!IDEA:!DES
  ssl-default-bind-options  no-sslv3
  stats  socket /var/lib/haproxy/stats mode 600 level user
  stats  timeout 2m
  user  haproxy

defaults
  log  global
  maxconn  4096
  mode  tcp
  retries  3
  timeout  http-request 10s
  timeout  queue 2m
  timeout  connect 10s
  timeout  client 2m
  timeout  server 2m
  timeout  check 10s

listen aodh
  bind 192.168.1.150:8042 transparent
  bind 172.16.0.10:8042 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8042 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8042 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8042 check fall 5 inter 2000 rise 2

listen cinder
  bind 192.168.1.150:8776 transparent
  bind 172.16.0.10:8776 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8776 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8776 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8776 check fall 5 inter 2000 rise 2

listen glance_api
  bind 192.168.1.150:9292 transparent
  bind 172.18.0.10:9292 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk GET /healthcheck
  server overcloud-controller-0.internalapi.localdomain 172.18.0.17:9292 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.18.0.15:9292 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.18.0.16:9292 check fall 5 inter 2000 rise 2

listen gnocchi
  bind 192.168.1.150:8041 transparent
  bind 172.16.0.10:8041 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8041 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8041 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8041 check fall 5 inter 2000 rise 2

listen haproxy.stats
  bind 10.200.0.6:1993 transparent
  mode http
  stats enable
  stats uri /
  stats auth admin:PnDD32EzdVCf73CpjHhFGHZdV

listen heat_api
  bind 192.168.1.150:8004 transparent
  bind 172.16.0.10:8004 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  timeout client 10m
  timeout server 10m
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8004 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8004 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8004 check fall 5 inter 2000 rise 2

listen heat_cfn
  bind 192.168.1.150:8000 transparent
  bind 172.16.0.10:8000 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  timeout client 10m
  timeout server 10m
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8000 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8000 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8000 check fall 5 inter 2000 rise 2

listen horizon
  bind 192.168.1.150:80 transparent
  bind 172.16.0.10:80 transparent
  mode http
  cookie SERVERID insert indirect nocache
  option forwardfor
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:80 check cookie overcloud-controller-0 fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:80 check cookie overcloud-controller-0 fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:80 check cookie overcloud-controller-0 fall 5 inter 2000 rise 2

listen keystone_admin
  bind 192.168.24.15:35357 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk GET /v3
  server overcloud-controller-0.ctlplane.localdomain 192.168.24.9:35357 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.ctlplane.localdomain 192.168.24.8:35357 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.ctlplane.localdomain 192.168.24.18:35357 check fall 5 inter 2000 rise 2

listen keystone_public
  bind 192.168.1.150:5000 transparent
  bind 172.16.0.10:5000 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk GET /v3
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:5000 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:5000 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:5000 check fall 5 inter 2000 rise 2

listen mysql
  bind 172.16.0.10:3306 transparent
  option tcpka
  option httpchk
  stick on dst
  stick-table type ip size 1000
  timeout client 90m
  timeout server 90m
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:3306 backup check inter 1s on-marked-down shutdown-sessions port 9200
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:3306 backup check inter 1s on-marked-down shutdown-sessions port 9200
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:3306 backup check inter 1s on-marked-down shutdown-sessions port 9200

listen neutron
  bind 192.168.1.150:9696 transparent
  bind 172.16.0.10:9696 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:9696 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:9696 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:9696 check fall 5 inter 2000 rise 2

listen nova_metadata
  bind 172.16.0.10:8775 transparent
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8775 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8775 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8775 check fall 5 inter 2000 rise 2

listen nova_novncproxy
  bind 192.168.1.150:6080 transparent
  bind 172.16.0.10:6080 transparent
  balance source
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option tcpka
  timeout tunnel 1h
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:6080 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:6080 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:6080 check fall 5 inter 2000 rise 2

listen nova_osapi
  bind 192.168.1.150:8774 transparent
  bind 172.16.0.10:8774 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8774 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8774 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8774 check fall 5 inter 2000 rise 2

listen nova_placement
  bind 192.168.1.150:8778 transparent
  bind 172.16.0.10:8778 transparent
  mode http
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8778 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8778 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8778 check fall 5 inter 2000 rise 2

listen panko
  bind 192.168.1.150:8977 transparent
  bind 172.16.0.10:8977 transparent
  http-request set-header X-Forwarded-Proto https if { ssl_fc }
  http-request set-header X-Forwarded-Proto http if !{ ssl_fc }
  option httpchk
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:8977 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:8977 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:8977 check fall 5 inter 2000 rise 2

listen redis
  bind 172.16.0.13:6379 transparent
  balance first
  option tcp-check
  tcp-check send AUTH\ V2EgUh2pvkr8VzU6yuE4XHsr9\r\n
  tcp-check send PING\r\n
  tcp-check expect string +PONG
  tcp-check send info\ replication\r\n
  tcp-check expect string role:master
  tcp-check send QUIT\r\n
  tcp-check expect string +OK
  server overcloud-controller-0.internalapi.localdomain 172.16.0.13:6379 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.internalapi.localdomain 172.16.0.14:6379 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.internalapi.localdomain 172.16.0.15:6379 check fall 5 inter 2000 rise 2

listen swift_proxy_server
  bind 192.168.1.150:8080 transparent
  bind 172.18.0.10:8080 transparent
  option httpchk GET /healthcheck
  timeout client 2m
  timeout server 2m
  server overcloud-controller-0.storage.localdomain 172.18.0.17:8080 check fall 5 inter 2000 rise 2
  server overcloud-controller-1.storage.localdomain 172.18.0.15:8080 check fall 5 inter 2000 rise 2
  server overcloud-controller-2.storage.localdomain 172.18.0.16:8080 check fall 5 inter 2000 rise 2

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This file defines the cluster infrastructure, and is available on all Controller nodes: ./etc/corosync/corosync.conf.

totem {
	version: 2
	cluster_name: tripleo_cluster
	transport: udpu
	token: 10000
}


nodelist {
	  node {
      	ring0_addr: overcloud-controller-0
      	nodeid: 1
	  }


  	node {
      	ring0_addr: overcloud-controller-1
      	nodeid: 2
  	}


	  node {
      	ring0_addr: overcloud-controller-2
    	  nodeid: 3
	  }
}

quorum {
	  provider: corosync_votequorum
}

logging {
    to_logfile: yes
	  logfile: /var/log/cluster/corosync.log
	  to_syslog: yes
}

totem {
	version: 2
	cluster_name: tripleo_cluster
	transport: udpu
	token: 10000
}


nodelist {
	  node {
      	ring0_addr: overcloud-controller-0
      	nodeid: 1
	  }


  	node {
      	ring0_addr: overcloud-controller-1
      	nodeid: 2
  	}


	  node {
      	ring0_addr: overcloud-controller-2
    	  nodeid: 3
	  }
}

quorum {
	  provider: corosync_votequorum
}

logging {
    to_logfile: yes
	  logfile: /var/log/cluster/corosync.log
	  to_syslog: yes
}

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This file contains Ceph high availability settings, including the hostnames and IP addresses of the monitoring hosts: ./etc/ceph/ceph.conf.

[global]
osd_pool_default_pgp_num = 128
auth_service_required = cephx
mon_initial_members = overcloud-controller-0,overcloud-controller-1,overcloud-controller-2
fsid = 8c835acc-6838-11e5-bb96-2cc260178a92
cluster_network = 172.19.0.11/24
auth_supported = cephx
auth_cluster_required = cephx
mon_host = 172.18.0.17,172.18.0.15,172.18.0.16
auth_client_required = cephx
osd_pool_default_size = 3
osd_pool_default_pg_num = 128
public_network = 172.18.0.17/24

[global]
osd_pool_default_pgp_num = 128
auth_service_required = cephx
mon_initial_members = overcloud-controller-0,overcloud-controller-1,overcloud-controller-2
fsid = 8c835acc-6838-11e5-bb96-2cc260178a92
cluster_network = 172.19.0.11/24
auth_supported = cephx
auth_cluster_required = cephx
mon_host = 172.18.0.17,172.18.0.15,172.18.0.16
auth_client_required = cephx
osd_pool_default_size = 3
osd_pool_default_pg_num = 128
public_network = 172.18.0.17/24

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Chapter 2. Example deployment: High availability cluster with Compute and Ceph

2.1. Example high availability hardware specifications
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2.3. Example high availability undercloud configuration files
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Chapter 2. Example deployment: High availability cluster with Compute and Ceph

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2.1. Example high availability hardware specifications
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2.3. Example high availability undercloud configuration files
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2.4. Example high availability overcloud configuration files
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