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Acmeair-netflix-docker

These instructions are based on Docker 1.0.0 run on Ubuntu trusty boot2docker. (Japanese)

The topology

topology

Configurations

Enable remote API access of Docker daemon via TCP socket

Change Docker daemon startup configuration (/etc/default/docker) like as bellow. On boot2docker, it is enabled by default.

# Use DOCKER_OPTS to modify the daemon startup options.
#DOCKER_OPTS="-dns 8.8.8.8 -dns 8.8.4.4"
DOCKER_OPTS="-H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock"

Docker client command

If you need sudo with docker command, change docker_cmd in bin/env.sh.

docker_cmd="sudo docker"

The bridge name which is used by Docker daemon

If your Docker daemon uses a bridge different from docker0, change bridge_name in bin/env.sh.

bridge_name=bridge0

Build images

You have to agree the licenses before building the images and use them.

cd bin
./acceptlicenses.sh
./buildimages.sh

An SSH key pair is created in this process. That is bin/id_rsa and bin/id_rsa.pub. The private key is used for login to the instances via SSH. If you want to use another key pair, place it in bin directory as id_rsa and id_rsa.pub.

Start the minimum set of containers

startminimum.sh starts the minimum set of containers. The script starts SkyDNS, SkyDock, one Cassandra (cassandra1), the data loader, Eureka server (service registry), Zuul (load balancer), Microscaler and Microscaler Agent. Two auto scaling groups (ASGs) are created. One is for the authentication service, another is for the web application. Each ASG has one instance as the desired capacity. The one auth-service and one webapp are started by Microscaler. Please wait few minutes after the command finishes.

cd bin
./startminimum.sh

Switch the application servers

The default application server for auth-service and webbapp is IBM WebSphere Application Server Liberty profile (WLP). You can use Tomcat instead of WLP. Change appserver value in bin/env.sh.

# "wlp" for WAS Liberty profile or "tc" for Tomcat
appserver=tc

Delete and create the ASGs (and the loader configurations) to run auth-service and webapp on Tomcat.

cd bin
./deleteasg.sh
./configureasg.sh
./startasg.sh

Add additional containers

Auth-service and webapp are managed by Microscaler. If you want more those instances, change ASG configuration.

Cassandra

./addcassandra.sh

Stop all containers and clean the environment

./stopall.sh

Show IP Addresses of the containers

./showipaddrs.sh

Login to the container

Use SSH. SSH servers run on all containers except SkyDNS and SkyDock.

ssh -i bin/id_rsa root@172.17.0.5

Quick test

Zuul and webapp

./testwebapp.sh

or

./testwebapp.sh 172.17.0.6

auth-service

./testauth.sh

or

./testauth.sh 172.17.0.9

Cassandra

./showcassandrastatus.sh

./showcustomertable.sh

Check name resolution

dig @172.17.42.1 +short zuul.*.local.flyacmeair.net
dig @172.17.42.1 +short eureka.*.local.flyacmeair.net
dig @172.17.42.1 +short cassandra1.*.local.flyacmeair.net
dig @172.17.42.1 +short webapp1.*.local.flyacmeair.net
dig @172.17.42.1 +short auth1.*.local.flyacmeair.net

Problem?

Make sure your docker version. The version might be different from the assumption of these instructions.

$ docker version
Client version: 1.0.0
Client API version: 1.12
Go version (client): go1.2.1
Git commit (client): 63fe64c
Server version: 1.0.0
Server API version: 1.12
Go version (server): go1.2.1
Git commit (server): 63fe64c

TCP socket might not be enabled. Check options of Docker daemon.

$ ps -ef | grep docker
root     22320     1  0 14:06 ?        00:01:00 /usr/bin/docker -d -H tcp://0.0.0.0:2735 -H unix://var/run/docker.sock

Your firewall might block the communications between the containers and the Docker daemon. Please check your firewall rules.

SkyDock might not work properly. Please try restart skydock. SkyDock registers all running containers at its start time. You don't have to restart other containers.

docker restart skydock

The Docker images might different as you assume. Try following commands to clear images. NOTICE: the following commands stop all containers and remove all containers and images.

docker rm -f `docker ps -qa`
docker rmi `docker images -q`

Software versions

Image Name Version Format Source
asgard Asgard latest (dockerlocal branch) binary https://acmeair.ci.cloudbees.com/job/asgard-etiport/
asgard MongoDB 2.4.9 binary Ubuntu repository
auth-service NetflixOSS Acme Air latest (astyanax branch) binary https://acmeair.ci.cloudbees.com/job/acmeair-netflix-astyanax/
base Oracle Java 7 binary https://launchpad.net/~webupd8team/+archive/java/
base ruby 1.9.3 binary Ubuntu repository
base sshd 6.6 binary Ubuntu repository
base supervisor 3.0 binary Ubuntu repository
base Ubuntu Linux 14.04 binary Docker Index
cassandra Cassandra 2.0.7 binary http://cassandra.apache.org/
eureka Eureka server 1.1.132 binary Maven Central Repository
ibmjava IBM Java 7.0 SR5 binary https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/wasdev/downloads/jre/index.yml
liberty IBM WebSphere Application Server Liberty profile 8.5.5.2 binary https://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/wasdev/downloads/wlp/index.yml
loader Acme Air loader latest (astyanax branch) binary https://acmeair.ci.cloudbees.com/job/acmeair-netflix-astyanax/
microscaler Microscaler CLI latest source https://github.com/EmergingTechnologyInstitute/microscaler/
microscaler Microscaler latest source https://github.com/EmergingTechnologyInstitute/microscaler/
microscaler gnatsd latest source https://github.com/apcera/gnatsd/
microscaler Go 1.2.1 binary Ubuntu repository
microscaler MongoDB 2.4.9 binary Ubuntu repository
microscaler Redis 2.8.4 binary Ubuntu repository
microscaler-agent Microscaler Agent latest source https://github.com/EmergingTechnologyInstitute/microscaler/
skydns SkyDNS latest binary Docker Index
skydock SkyDock latest binary Docker Index
tomcat Tomcat 7.0.54 binary http://tomcat.apache.org/
webapp Acme Air latest (astyanax branch) binary https://acmeair.ci.cloudbees.com/job/acmeair-netflix-astyanax/
zuul Zuul 1.0.21 binary Maven Central Repository