[SOLVED] Help: Undo converting a LXC to a template

[mishanw]

Hi Everyone, I was trying to increase the size of a container and did something stupid after a week of putting in a lot of work into the docker LXC. I accidentally converted it to a template. All my services are now in town and that including my reverse proxy etc.

What can I do to undo my mistake?

Thank you kindly.

 

[Ernst T.]

RightClick on the template --> Clone

 

[mishanw]

RightClick on the template --> Clone

That what I did, unfortunately for some reason I get anything to work, the Docker LXC had Portainer and I belive this is not working when cloned and since this was not configured with a static IP, and all the services were pointing staticky to the Dynamic IP of the docker container, its a mess. I was hoping to revert the template back, so everything would get restored.

I had Traefik running on the docker and so all my SSL certs are gone.

I created a new Traefic instance temporarily, but I think since the certs were already issued to the other container, there is some issue with that, its not working as well.

 

[bbgeek17]

root@pve7demo1:/tmp# pct config 100 > normal
root@pve7demo1:/tmp# pct template 100
root@pve7demo1:/tmp# pct config 100 > template
root@pve7demo1:/tmp# sdiff normal template
arch: amd64                                                     arch: amd64
cores: 1                                                        cores: 1
hostname: CT100                                                 hostname: CT100
memory: 512                                                     memory: 512
mp0: bb-iscsi:vm-100-disk-1,mp=/data,backup=1,size=8G         | mp0: bb-iscsi:base-100-disk-1,mp=/data,backup=1,size=8G
mp1: bb-iscsi:vm-100-disk-2,mp=/data1,backup=1,size=16G       | mp1: bb-iscsi:base-100-disk-2,mp=/data1,backup=1,size=16G
net0: name=eth0,bridge=vmbr0,firewall=1,hwaddr=BC:24:11:F4:73   net0: name=eth0,bridge=vmbr0,firewall=1,hwaddr=BC:24:11:F4:73
ostype: ubuntu                                                  ostype: ubuntu
rootfs: bb-iscsi:vm-100-disk-0,size=8G                        | rootfs: bb-iscsi:base-100-disk-0,size=8G
swap: 512                                                       swap: 512
                                                              > template: 1

The above are the configuration changes that happen when you convert a container to template. You can manually "undo" them following a procedure similar to https://forum.proxmox.com/threads/undo-convert-to-template.35386/

This is not an official way, obviously

---

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[Kingneutron]

FYI if you manage to recover from this and revert, remember to enable regular backups so you have something to restore from

 

[mishanw]

I ended up re-creating the entire project from ground up again. The issue was that I could not get all the dots to connect. Since docker and portainer were on that LXC, After recreating everything, I also ended up deciding to move the services out of the LXC to a VM and also backup everything.