Yet another node info collector - for respondd to be used with meshviewer to Grafana (with influxdb or graphite)
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Howto install Yanic

go

Install

cd /usr/local/
wget https://dl.google.com/go/go1.13.1.linux-amd64.tar.gz -O go-release-linux-amd64.tar.gz
tar xvf go-release-linux-amd64.tar.gz
rm go-release-linux-amd64.tar.gz

Configure go

Add these lines in your root shell startup file (e.g. /root/.bashrc):

export GOPATH=/opt/go
export PATH=$PATH:/usr/local/go/bin:$GOPATH/bin

Yanic

Compile

As root:

go get -v -u github.com/FreifunkBremen/yanic

Work with other databases

If you like to use another database solution than influxdb, Pull Requests are welcome. Just fork this project and create another subpackage within the folder database/. Take this folder as example: database/logging/.

Configure Yanic

cp /opt/go/src/github.com/FreifunkBremen/yanic/config_example.toml /etc/yanic.conf

For an easy startup you only need to edit the interfaces in section [respondd] in file /etc/yanic.conf.

Then create the following files and folders:

mkdir -p /var/lib/yanic
mkdir -p /var/www/html/meshviewer/data
touch /var/log/yanic.log
chown yanic /var/log/yanic.log /var/lib/yanic /var/www/html/meshviewer/data

Standalone

If you like to run a standalone meshviewer, just set enable in section [webserver] to true.

Configure the meshviewer:

set dataPath in config.json to /data/ and make the build directory accessible under /var/www/html/meshviewer.

With webserver (Apache, nginx)

The meshviewer needs the output files like nodes_path and graph_path inside the same directory as the dataPath. Change the path in the section [[nodes.output.meshviewer]] accordingly.

Service

cp /opt/go/src/github.com/FreifunkBremen/yanic/contrib/init/linux-systemd/yanic.service /lib/systemd/system/yanic.service
systemctl daemon-reload

Before start, you should configure yanic by the file /etc/yanic.conf:

systemctl start yanic

Enable to start on boot:

systemctl enable yanic

Update

For an update just stop yanic and then call the same go command again (again as root):

systemctl stop yanic
go get -v -u github.com/FreifunkBremen/yanic

Then update the config file, for example look at the diff with the new example:

diff /opt/go/src/github.com/FreifunkBremen/yanic/config_example.toml /etc/yanic.conf