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作者:Tatsuya Naganawa 譯者:TF編譯組
(編者按:在上一篇文章中,我們聊了關於TF組件安裝中的HA行爲、多NIC安裝、集羣規模等問題,以及如何安裝具有Tungsten Fabric CNI的Kubernetes HA環境。)
OpenStack
Openstack HA的安裝可以由anstack-deployer直接完成。
對於此示例的設置,我使用了5個EC2實例(AMI相同,ami-3185744e),每個實例具有2個vCPU、8 GB內存、20 GB磁盤空間。VPC的CIDR爲172.31.0.0/16。
yum -y install epel-release
yum -y install git ansible-2.4.2.0
ssh-keygen
cd .ssh/
cat id_rsa.pub >> authorized_keys
cd
git clone http://github.com/Juniper/contrail-ansible-deployer
cd contrail-ansible-deployer
vi config/instances.yaml
(replace contents with this)
provider_config:
bms:
ssh_user: root
ssh_public_key: /root/.ssh/id_rsa.pub
ssh_private_key: /root/.ssh/id_rsa
domainsuffix: local
ntpserver: 0.centos.pool.ntp.org
instances:
bms1:
provider: bms
ip: 172.31.6.90 # controller1's ip
roles:
config_database:
config:
control:
analytics:
webui:
openstack:
bms2:
provider: bms
ip: 172.31.25.90 # controller2's ip
roles:
config_database:
config:
control:
analytics:
webui:
openstack:
bms3:
provider: bms
ip: 172.31.31.242 # controller3's ip
roles:
config_database:
config:
control:
analytics:
webui:
openstack:
bms11:
provider: bms
ip: 172.31.42.209 # compute1's ip
roles:
vrouter:
openstack_compute:
bms12:
provider: bms
ip: 172.31.15.199 # compute2's ip
roles:
vrouter:
openstack_compute:
contrail_configuration:
RABBITMQ_NODE_PORT: 5673
AUTH_MODE: keystone
KEYSTONE_AUTH_URL_VERSION: /v3
JVM_EXTRA_OPTS: "-Xms128m -Xmx1g"
kolla_config:
kolla_globals:
kolla_internal_vip_address: 172.31.0.11 ## kolla-ansible will deploy haproxy to serve HA vip
kolla_passwords:
keystone_admin_password: contrail123 # admin user's password
global_configuration:
## if previously described AMI is used, it uses cloud-init packages whose rpm dependency is not compatible with ansible-deployer in R5.1 and later. To workaroud this, I used these commands.
yum -y remove PyYAML python-requests
easy_install pip
pip install PyYAML requests
pip install ansible
ansible-playbook -e orchestrator=openstack -i inventory/ playbooks/configure_instances.yml
- it takes about 10 minutes
ansible-playbook -e orchestrator=openstack -i inventory/ playbooks/install_openstack.yml
- it takes about 40 minutes
ansible-playbook -e orchestrator=openstack -i inventory/ playbooks/install_contrail.yml
- it takes about 20 minutes
[root@ip-172-31-6-90 ~]# contrail-status
Pod Service Original Name State Id Status
redis contrail-external-redis running 23ef79b48ae8 Up 41 minutes
analytics api contrail-analytics-api running 3139f5fd9256 Up 36 minutes
analytics collector contrail-analytics-collector running 89c9e02fb551 Up 36 minutes
analytics nodemgr contrail-nodemgr running 5eecb461f95c Up 36 minutes
config api contrail-controller-config-api running fb0dc55f76c7 Up 39 minutes
config device-manager contrail-controller-config-devicemgr running 8dbff58776a2 Up 39 minutes
config nodemgr contrail-nodemgr running b64af838545d Up 39 minutes
config schema contrail-controller-config-schema running 83e0acf17e39 Up 39 minutes
config svc-monitor contrail-controller-config-svcmonitor running 623e17e8e74e Up 39 minutes
config-database cassandra contrail-external-cassandra running db30d874dce3 Up 40 minutes
config-database nodemgr contrail-nodemgr running 590463f627f6 Up 38 minutes
config-database rabbitmq contrail-external-rabbitmq running 712ee26dda64 Up 40 minutes
config-database zookeeper contrail-external-zookeeper running 46dbdec00e46 Up 40 minutes
control control contrail-controller-control-control running 3e0e653d1588 Up 37 minutes
control dns contrail-controller-control-dns running 2cebc37c18cf Up 37 minutes
control named contrail-controller-control-named running 112bd2d8ed5f Up 37 minutes
control nodemgr contrail-nodemgr running f2e0fdc4bfb2 Up 37 minutes
device-manager dnsmasq contrail-external-dnsmasq running f84b45234d70 Up 39 minutes
webui job contrail-controller-webui-job running 3dece86513a1 Up 38 minutes
webui web contrail-controller-webui-web running 408c772b1628 Up 38 minutes
== Contrail control ==
control: active
nodemgr: active
named: active
dns: active
== Contrail config-database ==
nodemgr: initializing (Disk for DB is too low. )
zookeeper: active
rabbitmq: active
cassandra: active
== Contrail analytics ==
nodemgr: active
api: active
collector: active
== Contrail webui ==
web: active
job: active
== Contrail device-manager ==
== Contrail config ==
svc-monitor: backup
nodemgr: active
device-manager: backup
api: active
schema: backup
[root@ip-172-31-25-90 ~]# contrail-status
Pod Service Original Name State Id Status
redis contrail-external-redis running 1ed7e967085e Up 41 minutes
analytics api contrail-analytics-api running 7392ea345e83 Up 36 minutes
analytics collector contrail-analytics-collector running 82332a53a566 Up 36 minutes
analytics nodemgr contrail-nodemgr running 89141bb180cd Up 36 minutes
config api contrail-controller-config-api running b2af8bc8a6d7 Up 38 minutes
config device-manager contrail-controller-config-devicemgr running d8ed77431dfa Up 39 minutes
config nodemgr contrail-nodemgr running 8c7f3d5f05e4 Up 39 minutes
config schema contrail-controller-config-schema running 4a6099aaea2a Up 39 minutes
config svc-monitor contrail-controller-config-svcmonitor running 3a3e6d37b30e Up 39 minutes
config-database cassandra contrail-external-cassandra running 0b05e121c017 Up 40 minutes
config-database nodemgr contrail-nodemgr running fb4857fe16c1 Up 39 minutes
config-database rabbitmq contrail-external-rabbitmq running a8137277a40f Up 40 minutes
config-database zookeeper contrail-external-zookeeper running 9571f4d9fde2 Up 40 minutes
control control contrail-controller-control-control running 5460dc02cc03 Up 37 minutes
control dns contrail-controller-control-dns running 17b27877ef6e Up 37 minutes
control named contrail-controller-control-named running cdbe1bae4c40 Up 37 minutes
control nodemgr contrail-nodemgr running cb36c2b4625a Up 37 minutes
device-manager dnsmasq contrail-external-dnsmasq running dd9002e6f58d Up 39 minutes
webui job contrail-controller-webui-job running 60dc895d439e Up 38 minutes
webui web contrail-controller-webui-web running 3ddfb5e2e851 Up 38 minutes
== Contrail control ==
control: active
nodemgr: active
named: active
dns: active
== Contrail config-database ==
nodemgr: initializing (Disk for DB is too low. )
zookeeper: active
rabbitmq: active
cassandra: active
== Contrail analytics ==
nodemgr: active
api: active
collector: active
== Contrail webui ==
web: active
job: active
== Contrail device-manager ==
== Contrail config ==
svc-monitor: backup
nodemgr: active
device-manager: active
api: active
schema: backup
[root@ip-172-31-31-242 ~]# contrail-status
Pod Service Original Name State Id Status
redis contrail-external-redis running 172e35daca5a Up 42 minutes
analytics api contrail-analytics-api running 2edf90837a43 Up 36 minutes
analytics collector contrail-analytics-collector running 812d4c190841 Up 36 minutes
analytics nodemgr contrail-nodemgr running d0eafce0d49d Up 36 minutes
config api contrail-controller-config-api running 7819c7792960 Up 39 minutes
config device-manager contrail-controller-config-devicemgr running c22addf8f1f1 Up 38 minutes
config nodemgr contrail-nodemgr running bd742928f26e Up 39 minutes
config schema contrail-controller-config-schema running 8ad72d0a2c12 Up 39 minutes
config svc-monitor contrail-controller-config-svcmonitor running 86283bfc21dc Up 39 minutes
config-database cassandra contrail-external-cassandra running 315d17494665 Up 41 minutes
config-database nodemgr contrail-nodemgr running a78521b2b940 Up 39 minutes
config-database rabbitmq contrail-external-rabbitmq running dfefb054808b Up 41 minutes
config-database zookeeper contrail-external-zookeeper running a16d1a2d259b Up 41 minutes
control control contrail-controller-control-control running bc9ecb41131c Up 37 minutes
control dns contrail-controller-control-dns running beff8cf11fdd Up 37 minutes
control named contrail-controller-control-named running 2322d5598a24 Up 37 minutes
control nodemgr contrail-nodemgr running 32b611d85d19 Up 37 minutes
device-manager dnsmasq contrail-external-dnsmasq running a0b3dd0ad254 Up 39 minutes
webui job contrail-controller-webui-job running 257721b46207 Up 38 minutes
webui web contrail-controller-webui-web running c2e7b95e7321 Up 38 minutes
== Contrail control ==
control: active
nodemgr: active
named: active
dns: active
== Contrail config-database ==
nodemgr: initializing (Disk for DB is too low. )
zookeeper: active
rabbitmq: active
cassandra: active
== Contrail analytics ==
nodemgr: active
api: active
collector: active
== Contrail webui ==
web: active
job: active
== Contrail device-manager ==
== Contrail config ==
svc-monitor: active
nodemgr: active
device-manager: backup
api: active
schema: active
[root@ip-172-31-42-209 ~]# contrail-status
Pod Service Original Name State Id Status
vrouter agent contrail-vrouter-agent running a17883037f12 Up 36 minutes
vrouter nodemgr contrail-nodemgr running 6dc2258ac4f6 Up 36 minutes
vrouter kernel module is PRESENT
== Contrail vrouter ==
nodemgr: active
agent: active
[root@ip-172-31-15-199 ~]# contrail-status
Pod Service Original Name State Id Status
vrouter agent contrail-vrouter-agent running a1e7767b3302 Up 36 minutes
vrouter nodemgr contrail-nodemgr running 40d5613fec21 Up 36 minutes
vrouter kernel module is PRESENT
== Contrail vrouter ==
nodemgr: active
agent: active
然後,可以使用openstack命令創建實例。
docker cp /etc/kolla/kolla-toolbox/admin-openrc.sh kolla_toolbox:/var/tmp
docker exec -it kolla_toolbox bash
source /var/tmp/admin-openrc.sh
cd /var/tmp
curl -O -L http://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img
openstack image create cirros --disk-format qcow2 --public --container-format bare --file cirros-0.4.0-x86_64-disk.img
openstack flavor create --ram 512 --disk 1 --vcpus 1 m1.tiny
openstack network create testvn
openstack subnet create --subnet-range 192.168.100.0/24 --network testvn subnet1
NET_ID=`openstack network list | grep testvn | awk -F '|' '{print $2}' | tr -d ' '`
openstack server create --flavor m1.tiny --image cirros --nic net-id=${NET_ID} vm1
openstack server create --flavor m1.tiny --image cirros --nic net-id=${NET_ID} vm2
exit
(on compute nodes)
ip route ## check metadata ip of two instances
ssh [email protected]
ping 192.168.100.4
(kolla-toolbox)[ansible@ip-172-31-6-90 /]$ openstack server list
+--------------------------------------+------+--------+----------------------+--------+---------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+------+--------+----------------------+--------+---------+
| 9d66f0ed-d7d5-4a53-983d-dfba0385bd22 | vm2 | ACTIVE | testvn=192.168.100.4 | cirros | m1.tiny |
| 6595b4c1-1e6f-4f02-8f66-83b6355065b2 | vm1 | ACTIVE | testvn=192.168.100.3 | cirros | m1.tiny |
+--------------------------------------+------+--------+----------------------+--------+---------+
(kolla-toolbox)[ansible@ip-172-31-6-90 /]$
[root@ip-172-31-42-209 ~]# ip route
default via 172.31.32.1 dev vhost0
169.254.0.1 dev vhost0 proto 109 scope link
169.254.0.3 dev vhost0 proto 109 scope link
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1
172.31.32.0/20 dev vhost0 proto kernel scope link src 172.31.42.209
[root@ip-172-31-42-209 ~]# ssh [email protected]
[email protected]'s password:
$ ip -o a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1\ link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
1: lo inet 127.0.0.1/8 scope host lo\ valid_lft forever preferred_lft forever
1: lo inet6 ::1/128 scope host \ valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000\ link/ether 02:79:59:ea:d4:17 brd ff:ff:ff:ff:ff:ff
2: eth0 inet 192.168.100.3/24 brd 192.168.100.255 scope global eth0\ valid_lft forever preferred_lft forever
2: eth0 inet6 fe80::79:59ff:feea:d417/64 scope link \ valid_lft forever preferred_lft forever
$
$ ping 192.168.100.4
PING 192.168.100.4 (192.168.100.4): 56 data bytes
64 bytes from 192.168.100.4: seq=0 ttl=64 time=13.876 ms
64 bytes from 192.168.100.4: seq=1 ttl=64 time=2.417 ms
64 bytes from 192.168.100.4: seq=2 ttl=64 time=2.375 ms
^C
--- 192.168.100.4 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 2.375/6.222/13.876 ms
$
$
[root@ip-172-31-15-199 ~]# ip route
default via 172.31.0.1 dev vhost0
169.254.0.1 dev vhost0 proto 109 scope link
169.254.0.3 dev vhost0 proto 109 scope link
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1
172.31.0.0/20 dev vhost0 proto kernel scope link src 172.31.15.199
[root@ip-172-31-15-199 ~]# ssh [email protected]
[email protected]'s password:
$ ip -o a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1\ link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
1: lo inet 127.0.0.1/8 scope host lo\ valid_lft forever preferred_lft forever
1: lo inet6 ::1/128 scope host \ valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000\ link/ether 02:08:e6:0d:1e:3b brd ff:ff:ff:ff:ff:ff
2: eth0 inet 192.168.100.4/24 brd 192.168.100.255 scope global eth0\ valid_lft forever preferred_lft forever
2: eth0 inet6 fe80::8:e6ff:fe0d:1e3b/64 scope link \ valid_lft forever preferred_lft forever
$
注意:如果計算節點不支持kvm,則可能需要添加此設置。
vi /etc/kolla/nova-compute/nova.conf
(add them in [libvirt] section)
virt_type=qemu
cpu_mode=none
docker restart nova_compute
注意:如果是使用AWS,則還需要從EC2實例的右鍵菜單中設置網絡>管理IP地址,以允許從其它節點訪問haproxy VIP。
這樣,控制器之間的HA和2個計算節點之間的overlay都完全配置好了!
有些要點本文檔沒有覆蓋,例如某些控制節點宕機時的行爲,或在計算節點之間執行實時遷移。上次我嘗試實時遷移時,發現有大約1秒鐘的報文丟包,但是請注意自己的設置,因爲有很多要注意的地方(例如前綴將在實時遷移完成後更新)。
查看每個控制器的鄰居狀態和路由表,您會發現它們之間的有趣之處。
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py ctr nei
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
| peer | peer_address | peer_asn | encoding | peer_type | state | send_state | flap_count | flap_time |
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
| ip-172-31-25-90.local | 172.31.25.90 | 64512 | BGP | internal | Established | in sync | 0 | n/a |
| ip-172-31-31-242.local | 172.31.31.242 | 64512 | BGP | internal | Established | in sync | 0 | n/a |
| ip-172-31-42-209.local | 172.31.42.209 | 0 | XMPP | internal | Established | in sync | 0 | n/a |
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py --host 172.31.25.90 ctr nei
Introspect Host: 172.31.25.90
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
| peer | peer_address | peer_asn | encoding | peer_type | state | send_state | flap_count | flap_time |
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
| ip-172-31-31-242.local | 172.31.31.242 | 64512 | BGP | internal | Established | in sync | 0 | n/a |
| ip-172-31-6-90.local | 172.31.6.90 | 64512 | BGP | internal | Established | in sync | 0 | n/a |
| ip-172-31-15-199.local | 172.31.15.199 | 0 | XMPP | internal | Established | in sync | 0 | n/a |
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
[root@ip-172-31-6-90 ~]#
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py --host 172.31.31.242 ctr nei
Introspect Host: 172.31.31.242
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
| peer | peer_address | peer_asn | encoding | peer_type | state | send_state | flap_count | flap_time |
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
| ip-172-31-25-90.local | 172.31.25.90 | 64512 | BGP | internal | Established | in sync | 0 | n/a |
| ip-172-31-6-90.local | 172.31.6.90 | 64512 | BGP | internal | Established | in sync | 0 | n/a |
| ip-172-31-15-199.local | 172.31.15.199 | 0 | XMPP | internal | Established | in sync | 0 | n/a |
| ip-172-31-42-209.local | 172.31.42.209 | 0 | XMPP | internal | Established | in sync | 0 | n/a |
+------------------------+---------------+----------+----------+-----------+-------------+------------+------------+-----------+
[root@ip-172-31-6-90 ~]#
[root@ip-172-31-6-90 ~]#
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py ctr route summary
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
| name | prefixes | paths | primary_paths | secondary_paths | infeasible_paths |
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
| default-domain:admin:testvn:testvn.inet.0 | 2 | 4 | 1 | 3 | 0 |
| default-domain:default- | 0 | 0 | 0 | 0 | 0 |
| project:__link_local__:__link_local__.inet.0 | | | | | |
| default-domain:default-project:dci- | 0 | 0 | 0 | 0 | 0 |
| network:__default__.inet.0 | | | | | |
| default-domain:default-project:dci-network:dci- | 0 | 0 | 0 | 0 | 0 |
| network.inet.0 | | | | | |
| default-domain:default-project:default-virtual- | 0 | 0 | 0 | 0 | 0 |
| network:default-virtual-network.inet.0 | | | | | |
| inet.0 | 0 | 0 | 0 | 0 | 0 |
| default-domain:default-project:ip-fabric:ip- | 1 | 1 | 1 | 0 | 0 |
| fabric.inet.0 | | | | | |
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py --host 172.31.25.90 ctr route summary
Introspect Host: 172.31.25.90
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
| name | prefixes | paths | primary_paths | secondary_paths | infeasible_paths |
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
| default-domain:admin:testvn:testvn.inet.0 | 2 | 4 | 1 | 3 | 0 |
| default-domain:default- | 0 | 0 | 0 | 0 | 0 |
| project:__link_local__:__link_local__.inet.0 | | | | | |
| default-domain:default-project:dci- | 0 | 0 | 0 | 0 | 0 |
| network:__default__.inet.0 | | | | | |
| default-domain:default-project:dci-network:dci- | 0 | 0 | 0 | 0 | 0 |
| network.inet.0 | | | | | |
| default-domain:default-project:default-virtual- | 0 | 0 | 0 | 0 | 0 |
| network:default-virtual-network.inet.0 | | | | | |
| inet.0 | 0 | 0 | 0 | 0 | 0 |
| default-domain:default-project:ip-fabric:ip- | 1 | 1 | 1 | 0 | 0 |
| fabric.inet.0 | | | | | |
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py --host 172.31.31.242 ctr route summary
Introspect Host: 172.31.31.242
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
| name | prefixes | paths | primary_paths | secondary_paths | infeasible_paths |
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
| default-domain:admin:testvn:testvn.inet.0 | 2 | 4 | 2 | 2 | 0 |
| default-domain:default- | 0 | 0 | 0 | 0 | 0 |
| project:__link_local__:__link_local__.inet.0 | | | | | |
| default-domain:default-project:dci- | 0 | 0 | 0 | 0 | 0 |
| network:__default__.inet.0 | | | | | |
| default-domain:default-project:dci-network:dci- | 0 | 0 | 0 | 0 | 0 |
| network.inet.0 | | | | | |
| default-domain:default-project:default-virtual- | 0 | 0 | 0 | 0 | 0 |
| network:default-virtual-network.inet.0 | | | | | |
| inet.0 | 0 | 0 | 0 | 0 | 0 |
| default-domain:default-project:ip-fabric:ip- | 2 | 2 | 2 | 0 | 0 |
| fabric.inet.0 | | | | | |
+----------------------------------------------------+----------+-------+---------------+-----------------+------------------+
[root@ip-172-31-6-90 ~]#
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py --host 172.31.31.242 ctr route show 192.168.100.3
Introspect Host: 172.31.31.242
default-domain:admin:testvn:testvn.inet.0: 2 destinations, 4 routes (2 primary, 2 secondary, 0 infeasible)
192.168.100.3/32, age: 0:01:18.234010, last_modified: 2019-Apr-27 14:03:19.075046
[XMPP (interface)|ip-172-31-42-209.local] age: 0:01:18.239011, localpref: 200, nh: 172.31.42.209, encap: ['gre', 'udp'], label: 25, AS path: None
[BGP|172.31.6.90] age: 0:01:18.230559, localpref: 200, nh: 172.31.42.209, encap: ['gre', 'udp'], label: 25, AS path: None
[root@ip-172-31-6-90 ~]# ./contrail-introspect-cli/ist.py --host 172.31.31.242 ctr route show 192.168.100.4
Introspect Host: 172.31.31.242
default-domain:admin:testvn:testvn.inet.0: 2 destinations, 4 routes (2 primary, 2 secondary, 0 infeasible)
192.168.100.4/32, age: 0:00:52.035230, last_modified: 2019-Apr-27 14:03:47.460835
[XMPP (interface)|ip-172-31-15-199.local] age: 0:00:52.039485, localpref: 200, nh: 172.31.15.199, encap: ['gre', 'udp'], label: 25, AS path: None
[BGP|172.31.25.90] age: 0:00:51.996464, localpref: 200, nh: 172.31.15.199, encap: ['gre', 'udp'], label: 25, AS path: None
[root@ip-172-31-6-90 ~]#
由於vRouter始終具有2個XMPP連接,所以當存在3個控制器時,XMPP的連接狀態在控制器之間是不同的,並且它們之間的路由表也可能有所不同。考慮到路由目標過濾,如果某些控制器未從XMPP接收到某些特定的路由目標,則它們甚至可能具有完全不同的路由表。
這就是由於Tungsten Fabric的橫向擴展行爲帶來的結果。
有關ansible-ployer的更詳細的配置(包括多NIC示例),您可以看看這些文檔。
-
https://github.com/Juniper/contrail-ansible-deployer/wiki/Contrail-with-Openstack-Kolla
- https://github.com/Juniper/contrail-ansible-deployer/wiki/Configuration-Sample-for-Multi-Node-Openstack-HA-and-Contrail-(multi-interface)
vCenter
Tungsten Fabric可以很好地與vCenter集成在一起,我們在“編排器集成”的部分有所描述。
要嘗試此功能,可以按照以下說明進行操作。
- https://github.com/Juniper/contrail-ansible-deployer/blob/master/README_vcenter.m
- 請注意vRouterVM的OVF文件目前還未公開提供
由於Tungsten Fabric的HA行爲與Kubernetes和OpenStack安裝中的行爲完全相同,因此我將不對其進行詳細描述。
對於編排器端的HA,vCenter HA是完全可用的。
- 我尚未嘗試過這種組合,但是由於vCenter HA將使用與vCenter服務相同的IP,因此我認爲vcenter-plugin與vCenter HA一起使用的可能性很高。
多vCenter或跨vCenter(使用鏈接模式時)將是一個很有趣的主題。我將在附錄部分進一步討論它們。
容器標籤的使用
容器註冊表docker.io/opencontrailnight具有各種各樣的標籤。
關於在新的安裝中選擇什麼樣的標籤,我有一些考慮。
我經常使用的是三個標籤:latest,5.1.0-latest,5.0-latest。它們位於每個Tungsten Fabric分支的頭部(master/R5.1/R5.0),並且每個分支中都包含各種錯誤修復。因此,您可以爲用例選擇其中的標籤。如果需要R5.1中的新功能(例如可選的analytics組件),那麼你可以選擇5.1.0-latest標籤。
由於latest是真正的開發分支,因此我不建議您將它們作爲常規使用的標籤,因爲在某些情況下,此版本已被“破壞”以添加新的功能。
其它發行版本的分支更加穩定,因爲在大多數情況下,它們只是進行了錯誤修復,儘管在創建新的分支後的某些特定時期內,發行版本的分支似乎也具有新的功能。
要指定標籤,您可以使用這些參數,並且當針對ansible-deployer和conutil-container-builder輸入git clone時,還需要指定同一分支。
(ansible-deployer)
git clone -b R5.1 http://github.com/Juniper/contrail-ansible-deployer
contrail_configuration:
CONTRAIL_CONTAINER_TAG: 5.1.0-latest
(kubeadm)
git clone -b R5.1 https://github.com/Juniper/contrail-container-builder.git
common.env in contrail-container-builder repo
CONTRAIL_CONTAINER_TAG: 5.1.0-latest
需要注意的一點是,由於與OpenStack一起使用的容器(例如nova-init、neutron-init、heat-init等)具有OpenStack發行版的版本依賴性,因此標記可能需要更改爲5.1.0-latest-queens、5.1.0-latest-rocky等。
由於安裝了一些帶有特定版本的OpenStack模塊,因此,如果標籤不同,則OpenStack容器將無法正常工作。
Tungsten Fabric入門寶典系列文章——
- TF組件的七種“武器”
- 編排器集成
-
Tungsten Fabric 架構解析系列文章——
第一篇:TF主要特點和用例
第二篇:TF怎麼運作
第三篇:詳解vRouter體系結構
第四篇:TF的服務鏈
第五篇:vRouter的部署選項
第六篇:TF如何收集、分析、部署?
第七篇:TF如何編排
第八篇:TF支持API一覽
第九篇:TF如何連接到物理網絡
第十篇:TF基於應用程序的安全策略