데브스택 IP 변경 편집하기

;DevStack - Unable to establish connection to keystone endpoint.

==문제상황==
* IP변경 후, horizon 로그인시 키스톤 엔드포인트에 접속하지 못하는 오류 발생

https://image.slidesharecdn.com/introduction-openstack-horizon-160805010616/95/introduction-openstackhorizon-8-638.jpg

==DB 변경==
<source lang='console'>
stack@ubuntu16:~/devstack$ mysql -uroot -psecret keystone -e "SELECT url FROM endpoint LIMIT 3"
mysql: [Warning] Using a password on the command line interface can be insecure.
+----------------------------------------------+
| url                                          |
+----------------------------------------------+
| http://192.168.43.181:9292                   |
| http://192.168.43.181:8776/v2/$(project_id)s |
| http://192.168.43.181/identity_v2_admin      |
+----------------------------------------------+
</source>
<source lang='console'>
stack@ubuntu16:~/devstack$ OLD_IP=192.168.43.181
stack@ubuntu16:~/devstack$ NEW_IP=192.168.56.101
stack@ubuntu16:~/devstack$ mysql -uroot -psecret keystone -e "UPDATE endpoint SET url=REPLACE(url,'$OLD_IP','$NEW_IP');"
mysql: [Warning] Using a password on the command line interface can be insecure.
</source>
<source lang='console'>
stack@ubuntu16:~/devstack$ mysql -uroot -psecret keystone -e "SELECT url FROM endpoint LIMIT 3"
mysql: [Warning] Using a password on the command line interface can be insecure.
+----------------------------------------------+
| url                                          |
+----------------------------------------------+
| http://192.168.56.101:9292                   |
| http://192.168.56.101:8776/v2/$(project_id)s |
| http://192.168.56.101/identity_v2_admin      |
+----------------------------------------------+
</source>

==설정파일 변경==
* /etc/ 변경
<source lang='console'>
stack@ubuntu16:~/devstack$ grep -rl "$OLD_IP" /etc/ 2>/dev/null
/etc/cinder/cinder.conf
/etc/openstack/clouds.yaml
/etc/nova/nova-dhcpbridge.conf
... (생략)
</source>
<source lang='console'>
stack@ubuntu16:~/devstack$ grep -rl "$OLD_IP" /etc/ 2>/dev/null | xargs sed -i "s/$OLD_IP/$NEW_IP/g"
stack@ubuntu16:~/devstack$ grep -rl "$OLD_IP" /etc/ 2>/dev/null
stack@ubuntu16:~/devstack$ grep -rl "$NEW_IP" /etc/ 2>/dev/null
/etc/cinder/cinder.conf
/etc/openstack/clouds.yaml
/etc/nova/nova-dhcpbridge.conf
... (생략)
</source>

* /opt/stack/ 변경
<source lang='console'>
stack@ubuntu16:~/devstack$ grep -rl "$OLD_IP" /opt/stack/ 2>/dev/null
/opt/stack/devstack/userrc_early
/opt/stack/devstack/accrc/demo/demo
/opt/stack/devstack/accrc/demo/admin
... (생략)
</source>
<source lang='console'>
stack@ubuntu16:~/devstack$ grep -rl "$OLD_IP" /opt/stack/ 2>/dev/null | xargs sed -i "s/$OLD_IP/$NEW_IP/g"
stack@ubuntu16:~/devstack$ grep -rl "$OLD_IP" /opt/stack/ 2>/dev/null
stack@ubuntu16:~/devstack$ grep -rl "$NEW_IP" /opt/stack/ 2>/dev/null
/opt/stack/devstack/userrc_early
/opt/stack/devstack/accrc/demo/demo
/opt/stack/devstack/accrc/demo/admin
... (생략)
</source>

==스태킹==
<source lang='console'>
stack@ubuntu16:~/devstack$ ./stack.sh 
... (생략)
</source>

==요약정리==
<source lang='bash'>
OLD_IP=192.168.43.181
NEW_IP=192.168.56.101
mysql -uroot -psecret keystone -e "UPDATE endpoint SET url=REPLACE(url,'$OLD_IP','$NEW_IP');"
grep -rl "$OLD_IP" /etc/ 2>/dev/null | xargs sed -i "s/$OLD_IP/$NEW_IP/g"
grep -rl "$OLD_IP" /opt/stack/ 2>/dev/null | xargs sed -i "s/$OLD_IP/$NEW_IP/g"
#sudo route add default gw 192.168.122.2 virbr0
./stack.sh
</source>

==같이 보기==
* [[DevStack]]
* [[DevStack - functions-common:215 Failure retrieving default route device]]

==참고==
* https://www.symantec.com/connect/blogs/change-endpoint-ip-addresses-after-openstack-installation-devstack

[[분류: DevStack]]