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visiesrv2_lxc_containers [2018/04/04 08:22]
jpe
visiesrv2_lxc_containers [2018/06/15 14:15] (current)
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 The current defined containers are listed here. Note that the actual active container for visionlab website is **visielab-test** The current defined containers are listed here. Note that the actual active container for visionlab website is **visielab-test**
                                                                                                                                                                                                                                                                                                                                                                                            
-        ​ + 
-^ NAME ^ STATE ^ IPV4 ^ IPV6 ^ TYPE ^ SNAPSHOTS ^                                                                       ​ + 
-| nextcloud ​    | RUNNING | 10.27.117.84 (eth0) ​ |      | PERSISTENT | 6         ​| ​                                                                                                                                                                                                                                                                                                                                                                                        ​ +^ NAME ^ STATE ^ IPV4 ^ IPV6 ^ TYPE ^ SNAPSHOTS ^ 
-| openaudit ​    | RUNNING | 10.27.117.9 (eth0) ​  ​| ​     | PERSISTENT | 2         ​| ​                                                                                                                                                                                                                                                                                                                                                                                        +| nextcloud ​    | RUNNING | 10.27.117.84 (eth0) ​ |      | PERSISTENT | 6         | 
-| visielab ​     | STOPPED |                      |      | PERSISTENT | 3         ​| ​                                                                                                                                                                                                                                                                                                                                                                                    ​ +| openaudit ​    | RUNNING | 10.27.117.9 (eth0) ​  ​| ​     | PERSISTENT | 2         | 
-| visielab-test | RUNNING | 10.27.117.155 (eth0) |      | PERSISTENT | 7         ​| ​                                                                                                                                                                                                                                                                                                                                                                                      ​ +| visielab ​     | STOPPED |                      |      | PERSISTENT | 3         | 
-| visielab-wiki | RUNNING | 10.27.117.55 (eth0) ​ |      | PERSISTENT | 0         ​| ​                                                                                                                                                                                            ​+| visielab-test | RUNNING | 10.27.117.155 (eth0) |      | PERSISTENT | 7         | 
 +| visielab-wiki | RUNNING | 10.27.117.55 (eth0) ​ |      | PERSISTENT | 0         | 
 + 
 +To do some testing on the visielab website, just make a snapshot, and then copy the snapshot. Then you can experiment on that copy after starting it. For example, visielab-test is currently the active visielab website. To test some special stuff on that website, we do the following. 
 +<​code>​ 
 +#lxc snapshot visielab-test 
 +#lxc info visielab-test 
 +Name: visielab-test 
 +Remote: unix:// 
 +Architecture:​ x86_64 
 +Created: 2018/01/05 12:22 UTC 
 +Status: Running 
 +Type: persistent 
 +Profiles: default 
 +Pid: 14568 
 +Ips: 
 +  eth0: inet    10.27.117.155 ​  ​vethQK0QJ3 
 +  eth0: inet6   ​fe80::​216:​3eff:​fe85:​6ba6 ​       vethQK0QJ3 
 +  lo:   ​inet ​   127.0.0.1 
 +  lo:   ​inet6 ​  ::1 
 +Resources:​ 
 +  Processes: 83 
 +  Disk usage: 
 +    root: 10.10GB 
 +  Memory usage: 
 +    Memory (current): 847.15MB 
 +    Memory (peak): 862.75MB 
 +  Network usage: 
 +    eth0: 
 +      Bytes received: 316.82MB 
 +      Bytes sent: 10.25GB 
 +      Packets received: 1772073 
 +      Packets sent: 1675147 
 +    lo: 
 +      Bytes received: 106.16kB 
 +      Bytes sent: 106.16kB 
 +      Packets received: 1100 
 +      Packets sent: 1100 
 +Snapshots:​ 
 +  snap0 (taken at 2018/01/12 13:34 UTC) (stateless) 
 +  snap1 (taken at 2018/01/26 14:44 UTC) (stateless) 
 +  snap2 (taken at 2018/01/31 12:28 UTC) (stateless) 
 +  snap3 (taken at 2018/02/23 12:21 UTC) (stateless) 
 +  snap4 (taken at 2018/02/26 12:10 UTC) (stateless) 
 +  snap5 (taken at 2018/03/30 13:52 UTC) (stateless) 
 +  snap6 (taken at 2018/04/04 06:58 UTC) (stateless) 
 +   
 +#lxc copy visielab-test/​snap6 visielab-test2 
 +root@visionsrv2:/​etc/​apache2/​sites-available#​ lxc list 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +|      NAME      |  STATE  |         ​IPV4 ​        | IPV6 |    TYPE    | SNAPSHOTS | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| nextcloud ​     | RUNNING | 10.27.117.84 (eth0) ​ |      | PERSISTENT | 6         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| openaudit ​     | RUNNING | 10.27.117.9 (eth0) ​  ​| ​     | PERSISTENT | 2         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab ​      | STOPPED |                      |      | PERSISTENT | 3         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab-test ​ | RUNNING | 10.27.117.155 (eth0) |      | PERSISTENT | 7         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab-test2 | STOPPED |                      |      | PERSISTENT | 0         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab-wiki ​ | RUNNING | 10.27.117.55 (eth0) ​ |      | PERSISTENT | 0         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 + 
 +#lxc start visielab-test2 
 +#lxc start visielab-test2 
 +root@visionsrv2:/​etc/​apache2/​sites-available#​ lxc list  
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +|      NAME      |  STATE  |         ​IPV4 ​        | IPV6 |    TYPE    | SNAPSHOTS | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| nextcloud ​     | RUNNING | 10.27.117.84 (eth0) ​ |      | PERSISTENT | 6         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| openaudit ​     | RUNNING | 10.27.117.9 (eth0) ​  ​| ​     | PERSISTENT | 2         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab ​      | STOPPED |                      |      | PERSISTENT | 3         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab-test ​ | RUNNING | 10.27.117.155 (eth0) |      | PERSISTENT | 7         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab-test2 | RUNNING | 10.27.117.250 (eth0) |      | PERSISTENT | 0         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 +| visielab-wiki ​ | RUNNING | 10.27.117.55 (eth0) ​ |      | PERSISTENT | 0         | 
 ++----------------+---------+----------------------+------+------------+-----------+ 
 + 
 +</​code>​
  
 ===== networking of the LXC containers ===== ===== networking of the LXC containers =====
-We defined all networking in /​etc/​lxd_bridge.conf .The correct variable must be defined in /​etc/​default/​lxd-bridge -> LXD_CONFILE="/​etc/​lxd_bridge.conf"​+We defined all networking in /​etc/​lxd_bridge.conf .To use dnsmasq with this data, the correct variable must be defined in /​etc/​default/​lxd-bridge -> LXD_CONFILE="/​etc/​lxd_bridge.conf"​. If you modify something in this file, you have to stop dnsmasq manually (kill) and restart it afterwards. dnsmasq doesn'​t seem to run as a service. the process and it's parameters can be copied from here : 
 +<​code>​ 
 +dnsmasq --conf-file=/​etc/​lxd_bridge.conf -s ua.ac.be -S /ua.ac.be/ -u lxd --strict-order --bind-interfaces --pid-file=/​run/​lxd-bridge//​dnsmasq.pid --dhcp-no-override --except-interface=lo --interface=lxdbr0 --dhcp-leasefile=/​var/​lib/​lxd-bridge//​dnsmasq.lxdbr0.leases --dhcp-authoritative --listen-address 10.27.117.1 --dhcp-range 10.27.117.2,​10.27.117.254 --dhcp-lease-max=252 
 +</​code>​
  
 <​code>​ <​code>​
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 ===== reverse proxying via apache ===== ===== reverse proxying via apache =====
-to address the different websites in the lxc containers, we use reverse proxying with apache2. ​+to address the different websites in the lxc containers, we use reverse proxying with apache2. ​We define the lxc backends and there ip addresses in **/​etc/​hosts** (lso check that the ip addresses match with the above lxd_bridge.conf definitions):​ 
 +<​code>​ 
 +127.0.0.1 ​      ​localhost 
 +127.0.1.1 ​      ​visionsrv2.ua.ac.be ​    ​visionsrv2 
 +10.27.117.84 ​   nextcloud_be 
 +10.27.117.9 ​    ​openaudit_be 
 +10.27.117.144 ​  ​visielab_be 
 +10.27.117.155 ​  ​visielab-test_be 
 +10.27.117.250 ​  ​visielab-test2_be 
 +10.27.117.55 ​   visielab_wiki_be 
 +</​code>​ 
 + 
 +For apache the following sites are available : 
 +^ site config ^ DNS ^ domain ^ LXC backend ^ description ^ 
 +| visieinv | visieinv | ua.ac.be | openaudit_be | for inventory of the PC's at visionlab | 
 +| visielab-pc | visielab-pc | ua.ac.be \\ uantwerpen.be | nextcloud_be | private cloud for visionlab , secured with a SSL certificate | 
 +| visielab-ssl | visielab | ua.ac.be \\ uantwerpen.be | visielab-test_be | visielab'​s website, secured with a SSL certificate | 
 +| visielab | visielab | ua.ac.be \\ uantwerpen.be | visielab-test_be | redirect of http to https |  
 +| visielab-test | visielab-test | ua.ac.be | visielab-test2_be | visielab test website , to test things out | 
 +| visielab-wiki | visiedoc | ua.ac.be | visielab_wiki_be | the dokuwiki website of visionlab |
visiesrv2_lxc_containers.1522830168.txt.gz · Last modified: 2018/04/04 08:22 by jpe