====== LXD =====

Installation sur Debian : 
<code bash>
simon@deb:~$ sudo apt install snapd

simon@deb:~$ sudo snap install lxd
2019-05-03T20:05:52+02:00 INFO Waiting for restart...
lxd 3.12 from Canonical✓ installed

simon@deb:~$ sudo -s

root@deb:/home/simon# . /etc/profile.d/apps-bin-path.sh

root@deb:/home/simon# lxd --version
3.12
</code>

Initialisation :
<code bash>
root@deb:/home/simon# lxd init
Would you like to use LXD clustering? (yes/no) [default=no]: no
Do you want to configure a new storage pool? (yes/no) [default=yes]: yes
Name of the new storage pool [default=default]: 
Name of the storage backend to use (btrfs, ceph, dir, lvm) [default=btrfs]: dir
Would you like to connect to a MAAS server? (yes/no) [default=no]: 
Would you like to create a new local network bridge? (yes/no) [default=yes]: 
What should the new bridge be called? [default=lxdbr0]: 
What IPv4 address should be used? (CIDR subnet notation, “auto” or “none”) [default=auto]: 
What IPv6 address should be used? (CIDR subnet notation, “auto” or “none”) [default=auto]: 
Would you like LXD to be available over the network? (yes/no) [default=no]: 
Would you like stale cached images to be updated automatically? (yes/no) [default=yes] 
Would you like a YAML "lxd init" preseed to be printed? (yes/no) [default=no]: yes
config: {}
networks:
- config:
    ipv4.address: auto
    ipv6.address: auto
  description: ""
  managed: false
  name: lxdbr0
  type: ""
storage_pools:
- config: {}
  description: ""
  name: default
  driver: dir
profiles:
- config: {}
  description: ""
  devices:
    eth0:
      name: eth0
      nictype: bridged
      parent: lxdbr0
      type: nic
    root:
      path: /
      pool: default
      type: disk
  name: default
cluster: null
</code>

<code bash>
root@deb:/home/simon# lxc launch images:debian/stretch debian-lxd
To start your first container, try: lxc launch ubuntu:18.04

Creating debian-lxd
Starting debian-lxd 

root@deb:/home/simon# lxc list
+------------+---------+----------------------+-----------------------------------------------+------------+-----------+
|    NAME    |  STATE  |         IPV4         |                     IPV6                      |    TYPE    | SNAPSHOTS |
+------------+---------+----------------------+-----------------------------------------------+------------+-----------+
| debian-lxd | RUNNING | 10.97.202.197 (eth0) | fd42:9b16:df01:2c27:216:3eff:fe42:3ddf (eth0) | PERSISTENT |           |
+------------+---------+----------------------+-----------------------------------------------+------------+-----------+

root@deb:/home/simon# lxc exec debian-lxd bash
root@debian-lxd:~# 
</code>

Le conteneur a bien accès au réseau, il a reçu une IP : 
<code bash>
root@debian-lxd:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
9: eth0@if10: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:16:3e:42:3d:df brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 10.97.202.197/24 brd 10.97.202.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fd42:9b16:df01:2c27:216:3eff:fe42:3ddf/64 scope global mngtmpaddr dynamic 
       valid_lft 3424sec preferred_lft 3424sec
    inet6 fe80::216:3eff:fe42:3ddf/64 scope link 
       valid_lft forever preferred_lft forever
</code>

Machine "host" : 
<code bash>
simon@deb:~$ ip a
(...)
8: lxdbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether fe:3f:51:70:02:df brd ff:ff:ff:ff:ff:ff
    inet 10.97.202.1/24 scope global lxdbr0
       valid_lft forever preferred_lft forever
    inet6 fd42:9b16:df01:2c27::1/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::3809:35ff:fe34:90eb/64 scope link 
       valid_lft forever preferred_lft forever

simon@deb:~$ ping 10.97.202.197
PING 10.97.202.197 (10.97.202.197) 56(84) bytes of data.
64 bytes from 10.97.202.197: icmp_seq=1 ttl=64 time=0.077 ms
(...)
</code>

On peut installer [[wget]] et télécharger le logo de ce wiki, par exemple : 
<code bash>
root@debian-lxd:~# apt install wget

root@debian-lxd:~# wget https://simonlefort.be/wiki/lib/tpl/bootstrap3/images/logo.png
(...)
2019-05-03 18:45:08 (7.22 MB/s) - ‘logo.png’ saved [3820/3820]

root@debian-lxd:~# ls
logo.png
</code>

===== Autres articles liés =====
  * [[Installation de LXD sur une Odroid-XU3]]

===== Sources =====
  * [[https://stgraber.org/2017/01/18/lxd-on-debian/|https://stgraber.org/2017/01/18/lxd-on-debian/]]
  * [[https://help.ubuntu.com/lts/serverguide/lxd.html|https://help.ubuntu.com/lts/serverguide/lxd.html]]
  *