LXD: Migrate / copy / move container to remote host

Migrate / copy / move container to remote host

Configure LXD

# old server (lxd-old.example.com, 10.0.0.11)
lxc config set core.https_address 10.0.0.11:8443
lxc config set core.trust_password ${MY_PASS}

# new server (lxd-new.example.com, 10.0.0.22)
lxc remote add lxd-old.example.com 10.0.0.11:8443
#lxc config set core.https_address 10.0.0.22:8443
#lxc config set core.trust_password pass1234

Migrate profile

PROFILE=nic-dev-mgmt
lxc profile copy ${REMODE_LXD_NODE}:${PROFILE} ${PROFILE}

Migrate container

# @ new LXD node
REMODE_LXD_NODE=lxd-old.example.com
CONTAINER=container1

# list container on remote host
lxc ls ${REMODE_LXD_NODE}:

lxc stop ${REMODE_LXD_NODE}:${CONTAINER}
lxc copy ${REMODE_LXD_NODE}:${CONTAINER}
#lxc start ${REMODE_LXD_NODE}:${CONTAINER}
lxc start ${CONTAINER}

# start new container
lxc start ${CONTAINER}
lxc shell ${CONTAINER}

# OPTIONAL: disable autostart on old container
lxc config set ${OLD_LXD_NODE}:${CONTAINER} boot.autostart false

# @ old LXD node
CONTAINER=www
#lxc config show ${CONTAINER}

lxc config set ${CONTAINER} boot.autostart false
lxc stop ${CONTAINER}

# copy whole container
lxc copy lxd-old.example.com:${CONTAINER} ${CONTAINER} --verbose

# move only snapshot (copy container)
# lxc snapshot ${CONTAINER}
# lxc move ${CONTAINER}/snap0 lxd2.example.com:${CONTAINER} --verbose

# @ new server
CONTAINER=www
#lxc config set ${CONTAINER} volatile.eth0.hwaddr 00:11:22:33:44:70
lxc start ${CONTAINER}

Debug

tail -f /var/log/lxd/lxd.log

Live migrate (test)
https://packages.ubuntu.com/impish/criu

wget http://mirrors.kernel.org/ubuntu/pool/universe/c/criu/criu_3.14-1_amd64.deb
dpkg -i criu_3.14-1_amd64.deb 
apt install -f
dpkg -i criu_3.14-1_amd64.deb