Docker swarm tricks

tricks.txt

# error from daemon in stream: Error grabbing logs: rpc error: code = Unknown desc = warning: incomplete log stream. some logs could not be retrieved for the following reasons: node xxx is not available
docker swarm ca --rotate

# list docker swarm nodes with labels
docker node ls -q | xargs docker node inspect \
  -f '{{ .ID }} [{{ .Description.Hostname }}]: {{ .Spec.Labels }}'
  
# list docker swarm nodes with IPs
for NODE in $(docker node ls --format '{{.Hostname}}'); \ 
  do echo -e "${NODE} - $(docker node inspect --format '{{.Status.Addr}}' "${NODE}")"; done
  
# show task of a service
docker service ps {service_name}

# use a existing network
# In the stack.yml declare the existing network like this
networks:
  example:
    external: true