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Meetup

Create swarm

docker-machine create -d virtualbox ops1
docker-machine create -d virtualbox ops2
docker-machine create -d virtualbox ops3

eval $(docker-machine env ops1)
docker swarm init --advertise-addr 192.168.99.100
Swarm initialized: current node (d07w3nifvzwb5dmfykw8d0p88) is now a manager.
To add a worker to this swarm, run the following command:

    docker swarm join \
    --token SWMTKN-1-5637fsoo3iavhazcwywhldxi5jeuw61i7nvfrybgxherazphjn-3h6tyc12kzy960p66qz8hds9v \
    192.168.99.100:2377

To add a manager to this swarm, run 'docker swarm join-token manager' and follow the instructions.

eval $(docker-machine env ops2)
docker swarm join \
--token SWMTKN-1-5637fsoo3iavhazcwywhldxi5jeuw61i7nvfrybgxherazphjn-3h6tyc12kzy960p66qz8hds9v \
192.168.99.100:2377

eval $(docker-machine env ops3)
docker swarm join \
--token SWMTKN-1-5637fsoo3iavhazcwywhldxi5jeuw61i7nvfrybgxherazphjn-3h6tyc12kzy960p66qz8hds9v \
192.168.99.100:2377

Create network

eval $(docker-machine env ops1)
docker network create -d overlay dockercoins

docker service create --name rng --network dockercoins --mode global jpetazzo/dockercoins_rng:1465439244

Debug overlay network

docker service create --network dockercoins \
--name debug --mode global \
alpine sleep 1000000000

/ # drill rng
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 868
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; rng.   IN      A

;; ANSWER SECTION:
rng.      600     IN      A       10.0.0.2

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:

;; Query time: 0 msec
;; SERVER: 127.0.0.11
;; WHEN: Mon Nov 14 20:36:45 2016
;; MSG SIZE  rcvd: 40

Rolling update

eval $(docker-machine env ops1)

docker tag jpetazzo/dockercoins_rng:1465439244 ballot/dockercoins_rng:latest

watch -n1 "docker service ps rng | grep -v Shutdown.*Shutdown"

docker service update rng --image ballot/dockercoins_rng:latest

ELK

docker network create --driver overlay logging

docker service create --network logging --name elasticsearch elasticsearch:2.4

docker service create --network logging --name kibana \
--publish 5601:5601 \
-e ELASTICSEARCH_URL=http://elasticsearch:9200 kibana:4.6

docker service create --network logging \
--name logstash -p 12201:12201/udp \
logstash:2.4 -e "$(cat /home/ballot/git/training/docker_ops_intermediate/logstash.conf)"