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[help] docker conflicts with host network, causing no internet connectivity (lemmy.kde.social)
submitted 1 year ago* (last edited 1 year ago) by tubbadu@lemmy.kde.social to c/linux@lemmy.ml
14 comments fedilink hide all child comments
 

Hello! Thanks to everyone who helped me yesterday, but I could not solve the issue. I however identified the problem. I opened a new thread to better focus on the real problem.

I just set up a debian server, installed docker from the official repo and then immich using docker compose. When I run docker compose up -d (after a few seconds) my server loses internet connectivity: it can access local addresses (I can ssh into it) but cannot access the internet: ping linux.org fails.

if I put down immich (docker compose down) it starts working again. the issue is probably that docker is creating a network bridge that conflicts with the host.

After searching the web, I tried to create /etc/docker/daemon.json like this:

{
  "bip": "172.18.0.1/24",
  "default-address-pools": [
    {"base": "172.19.0.0/16", "size": 24}
  ]
}

after the changes systemctl restart docker, then wait 10 seconds for everything to restart correctly.
I tried different configurations of addresses here (every stackoverflow answer gave different values, so I tried all of them), but none of them worked. I don't know how to get which values to put here (if this is actually the solution)

a strange behavior I observed is that running ip route flush 0/0 temporary solves the problem, until the restart of docker, and Immich works normally (at least the "normal" behavior, I don't know if this affects some functionalities)

Any tips? This is my really first experience in self hosting and I have to admit it, I thought it would have been easier :P

In case you'll need it, here's the output of ip addr show:

0.0.0.0 dev veth4c84e92 scope link
0.0.0.0 dev veth1f88dcc scope link
0.0.0.0 dev vethda721de scope link
0.0.0.0 dev vethd123481 scope link
0.0.0.0 dev veth23a05f6 scope link
default dev veth4c84e92 scope link # this line and the line below disappear after the flush
default dev veth1f88dcc scope link # (this one)
default via 192.168.1.1 dev enp1s0
169.254.0.0/16 dev veth23a05f6 proto kernel scope link src 169.254.6.247
169.254.0.0/16 dev vethd123481 proto kernel scope link src 169.254.226.60
169.254.0.0/16 dev vethda721de proto kernel scope link src 169.254.248.163
169.254.0.0/16 dev veth1f88dcc proto kernel scope link src 169.254.136.146
169.254.0.0/16 dev veth4c84e92 proto kernel scope link src 169.254.29.133
169.254.0.0/16 dev enp1s0 scope link metric 1000
172.16.0.0/20 dev br-237d14e56e71 proto kernel scope link src 172.16.0.1
172.18.0.0/24 dev docker0 proto kernel scope link src 172.18.0.1 linkdown
192.168.1.0/24 dev enp1s0 proto kernel scope link src 192.168.1.4
192.168.1.1 dev enp1s0 scope link

EDIT: I gave up. I removed debian and installed fedora, and now it all works like a charm

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[–] N0x0n@lemmy.ml 5 points 1 year ago* (last edited 1 year ago) (7 children)

Humm... this seems rather strange. Maybe show us you docker-compose to have a look on how you configured immich's network?

169.254.0.0/16 are APIPA addresses . So this a network misconfiguration.

After searching the web, I tried to create /etc/docker/daemon.json

This is not how you configure a docker network. This is only used if your local networks overlaps with docker's defaut network.

The easiest way i can think on how to make your docker-compose work is to reinstall docker and use the host network. DO NOT forget to delete the /etc/docker/daemon.json file in case you want a fresh start. This seems a badly network configuration on you docker stack !

This will give you a good starting point! After that try to configure a bridge network for your docker compose.

Normally after you get the gist on how docker works, it's rather easy!

[–] tubbadu@lemmy.kde.social 2 points 1 year ago (6 children)

Maybe show us you docker-compose to have a look on how you configured immich’s network?

I didn't change anything, just followed the instructions on the wiki:

version: "3.8"

#
# WARNING: Make sure to use the docker-compose.yml of the current release:
#
# https://github.com/immich-app/immich/releases/latest/download/docker-compose.yml
#
# The compose file on main may not be compatible with the latest release.
#

name: immich

services:
immich-server:
container_name: immich_server
image: ghcr.io/immich-app/immich-server:${IMMICH_VERSION:-release}
command: [ "start.sh", "immich" ]
volumes:
- ${UPLOAD_LOCATION}:/usr/src/app/upload
- /etc/localtime:/etc/localtime:ro
env_file:
- .env
ports:
- 2283:3001
depends_on:
- redis
- database
restart: always

immich-microservices:
container_name: immich_microservices
image: ghcr.io/immich-app/immich-server:${IMMICH_VERSION:-release}
# extends:
#   file: hwaccel.yml
#   service: hwaccel
command: [ "start.sh", "microservices" ]
volumes:
- ${UPLOAD_LOCATION}:/usr/src/app/upload
- /etc/localtime:/etc/localtime:ro
env_file:
- .env
depends_on:
- redis
- database
restart: always

immich-machine-learning:
container_name: immich_machine_learning
image: ghcr.io/immich-app/immich-machine-learning:${IMMICH_VERSION:-release}
volumes:
- model-cache:/cache
env_file:
- .env
restart: always

redis:
container_name: immich_redis
image: redis:6.2-alpine@sha256:c5a607fb6e1bb15d32bbcf14db22787d19e428d59e31a5da67511b49bb0f1ccc
restart: always

database:
container_name: immich_postgres
image: tensorchord/pgvecto-rs:pg14-v0.1.11@sha256:0335a1a22f8c5dd1b697f14f079934f5152eaaa216c09b61e293be285491f8ee
env_file:
- .env
environment:
POSTGRES_PASSWORD: ${DB_PASSWORD}
POSTGRES_USER: ${DB_USERNAME}
POSTGRES_DB: ${DB_DATABASE_NAME}
volumes:
- pgdata:/var/lib/postgresql/data
restart: always

volumes:
pgdata:
model-cache:

The easiest way i can think on how to make your docker-compose work is to reinstall docker and use the host network

I'll try as soon as I can and post here the results, thanks for the time and help!

This seems a badly network configuration on you docker stack !

oops, I have lots to learn I guess XD

[–] N0x0n@lemmy.ml 2 points 1 year ago (1 children)

Immich isn't the easiest docker stack ! I will up it on my own server and give you some feedback.

Because their isn't any network configuration in the compose it uses the default docker network. Thus... maybe... it overlaps with your own network, that's what your first post was about :)

I will look into it and if nobody comes up with an anwser before me, will give you some feedback on how it went and try to find out what's wrong !

[–] tubbadu@lemmy.kde.social 2 points 1 year ago

I "solved" giving up. I installed fedora after hours of pain, and now all works flawlessly

thank you very much for your help!!

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