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Beehive Server

Waggle cloud software for aggregation, storage and analysis of sensor data from Waggle nodes

Installation

The recommended installation method for the waggle beehive server is Docker. But it should be easily possible to install everything in a non-virtualized ubuntu environment. In that case we recommend ubuntu trusty (14.04). If you are using Docker, you can use any operating system with a recent Linux kernel that runs Docker.

Docker

To get the latest version of Docker in Ubuntu use this (simply copy-paste the whole block):

apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
export CODENAME=$(lsb_release --codename | grep -o "[a-z]*$" | tr -d '\n')
echo "deb https://apt.dockerproject.org/repo ubuntu-${CODENAME} main" > /etc/apt/sources.list.d/docker.list
apt-get update
apt-get install -y  docker-engine

Data directory

While services are running in containers, configuration files, SSL certificates and databases have to be stored persistently on the host. This is configured in Docker with the -v option (format: "host:container"). Depending on your system you might want to use a different location to store these files.

export DATA="/mnt"

# other examples:
# export DATA="${HOME}/waggle"
# export DATA="/media/ephemeral/"

It might be helful to set this variable permanently. For example, if you are using bash:

echo "export DATA=/mnt/" >> ~/.bash_profile

Docker network

Docker network provides a mechanism for service discovery. To us it create the network "beehive":

docker network create beehive

To verify these command can be used:

docker network ls
docker network inspect beehive

SSL certificates

Create certificate authority:

See SSL/README.md

Cassandra

See beehive-cassandra/README.md

MySQL

See beehive-mysql/README.md

RabbitMQ

See beehive-rabbitmq/README.md

Beehive Server (with Docker)

docker pull waggle/beehive-server:latest

Client certificate for beehive server

[ ! -z "$DATA" ] && docker run -ti \
  --name certs \
  --rm \
  -v ${DATA}/waggle/SSL/:/usr/lib/waggle/SSL/ \
  waggle/beehive-server:latest ./SSL/create_client_cert.sh server beehive-server

Starting the docker container

If cassandra or RabbitMQ are running remotely, omit the corresponding option "--link ..." and configure /etc/waggle/beehive-server.cfg accordingly.

docker rm -f beehive-server
docker pull waggle/beehive-server
docker run -ti --name beehive-server \
  --net beehive \
  -v ${DATA}/waggle/SSL/:/usr/lib/waggle/SSL/ \
  waggle/beehive-server:latest

You should now be inside the container.

Tip: For developing purposes you can also mount the git repo into the container.

-v ${HOME}/git/beehive-server:/usr/lib/waggle/beehive-server

Configure the beehive server

You can set RabbitMQ and Cassandra hostnames in /etc/waggle/beehive-server.cfg if they are installed remotely. The configure script will create this file if it does not yet exist.

Run configure script.

./configure

Start the server.

./Server.py [--logging]

The beehive server should be running at this point.

If you are in a Docker container, leave the container and put it in background using key combinations "Ctrl-P" "Ctrl-Q". You can re-attach to the container with

docker attach beehive-server

or enter the container without attaching to the main process (Server.py) with "docker exec":

docker exec -ti beehive-server /bin/bash

Beehive Server (without Docker)

If you are not using a Docker container you can install dependencies with this script.

./install_dependencies.sh

Client certificate for beehive server

./SSL/create_client_cert.sh server beehive-server

Configure

./configure

Start the server.

./Server.py [--logging]

Build beehive-server Docker image

If you want to build the docker image on your own:

docker rm -f beehive-server
docker rmi waggle/beehive-server
docker build -t waggle/beehive-server .

Systemd

To use systemd unit files for the beehive components, follow these instructions:

systemd/README.md

TroubleShooting

SSL certificate related problems

If a node gets the error below when the node tries to connect to the beehive server, the SSL certificate key that the node is using may possibly be wrong or corrupted.

# log from node side
2016-06-28 22:34:29,260 - __main__ - ERROR - line=312 - Could not connect to Beehive server (xxx.xxx.xxx.xxx): Connection to xxx.xxx.xxx.xxx:yyyyy failed: [Errno 1] _ssl.c:510: error:0407006A:rsa routines:RSA_padding_check_PKCS1_type_1:block type is not 01

When it happens you may need to re-generate certificate from the server side by following the instruction certificate for rabbitmq. At the same time, the node should also get rid of the existing certificates and restart waggle-communications service,

# in the node terminal
cd /usr/lib/waggle
rm -rf SSL
waggle-service stop waggle-communications
waggle-service start waggle-communications

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