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use chroot to install python3 at bootstrap time

This commit is contained in:
Max Erenberg 2021-06-06 22:46:10 -04:00
parent 68ca51f016
commit 81ed529b46
1 changed files with 8 additions and 4 deletions
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@ -130,15 +130,16 @@ apt update && apt install lxc-utils
```
For the time being, it is necessary to manually create each container and to
install python3 in it before running the corresponding playbooks. For example,
to setup the DNS container:
to setup the DNS container, run the following **as root**:
```
lxc-create -t download -n dns -- -d debian -r buster -a amd64
lxc-start dns
lxc-attach dns
chroot /var/lib/lxc/dns/rootfs
apt update
apt install -y python3
exit
```
You can now press Ctrl+D to exit the LXC shell.
We are using chroot because the network interfaces have not been setup in the
container yet (they will be setup via a playbook).
The containers should be privileged since the CSC currently uses privileged
LXC containers. If we switch to unprivileged containers in the future, this
@ -149,10 +150,13 @@ on the host where the LXC containers are running. e.g. for Debian:
```
apt install -y ansible python3-lxc
```
Now we are ready to run the playbook:
```
lxc-start -n dns
ansible-playbook dns/main.yml
```
If you see a whole bunch of errors like
```
RuntimeError: cannot release un-acquired lock