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Question

I am trying to use overlay network with docker-compose up (in swarm mode) because I need some other swarm to connect to that network as well.

I am getting this error:

ERROR: for elk_elasticsearch_1 Cannot start service elasticsearch: attaching to network failed, make sure your network options are correct and check manager logs: context deadline exceeded

ERROR: for elasticsearch Cannot start service elasticsearch: attaching to network failed, make sure your network options are correct and check manager logs: context deadline exceeded

ERROR: Encountered errors while bringing up the project.

Here's my docker-compose:

networks:
  elk-network:
    attachable: true
    driver: overlay
    name: elk-network
services:
  elasticsearch:
    build:
      args:
        ELK_VERSION: 7.1.1
      context: /home/user/elk/elasticsearch
    environment:
      ELASTIC_PASSWORD: password
      ES_JAVA_OPTS: -Xmx256m -Xms256m
    networks:
      elk-network:
    ports:
    - published: 9200
      target: 9200
    - published: 9300
      target: 9300
    restart: always
    volumes:
    - /home/user/elk/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml:ro
    - /home/user/elk/data:/usr/share/elasticsearch/data:rw
  kibana:
    build:
      args:
        ELK_VERSION: 7.1.1
      context: /home/user/elk/kibana
    depends_on:
    - elasticsearch
    networks:
      elk-network:
    ports:
    - published: 5601
      target: 5601
    restart: always
    volumes:
    - /home/user/elk/kibana/config/kibana.yml:/usr/share/kibana/config/kibana.yml:ro
version: '3.5'

The node Spec.Availability says active. I'm not finding any other information about what to do by googling the error.

The network called elk-network actually shows up in docker network ls

2l911valz0a8        elk-network              overlay             swarm

Edit: Another thing I've discovered from trying to debug is it works perfectly on my mac and on another server, but it doesn't work on the one server I need it to. Any way I can get more info about what's going on?

Answer 1

Perhaps you also need to play with the subnet parameters, gateway, IP ranges, etc.

Example:

docker network create -d overlay \
  --subnet=192.168.0.0/16 \
  --subnet=192.170.0.0/16 \
  --gateway=192.168.0.100 \
  --gateway=192.170.0.100 \
  --ip-range=192.168.1.0/24 \
  --aux-address="my-router=192.168.1.5" --aux-address="my-switch=192.168.1.6" \
  --aux-address="my-printer=192.170.1.5" --aux-address="my-nas=192.170.1.6" \
  elk-network

Answer 2

I solved my issue by uninstalling docker from snap and reinstalling using apt using these commands;

sudo snap remove docker
sudo dpkg --configure -a
sudo apt update -y
sudo apt install docker.io
sudo reboot

After that, I was able to successfully create my network.

I do the dpkg and update command to make sure my system is clean for re-install.