DX Spider Deployment (Amateur Radio)
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README.md

README.md

DXSpider Deployment

This is a deployment project for DX Spider Amateur Radio DX Cluster software, independent of DX Spider development.

This project focuses on easy DX Spider deployment in virtualised/cloud environments and as such its focus is primarily supporting telnet nodes running on TCP networks.

Running in Docker

DX Spider node parameters can be specified via Docker environment variables:

docker run \
--env CLUSTER_CALLSIGN="MY1CALL-2" \
--env CLUSTER_SYSOP_NAME="Joe Bloggs" \
--env CLUSTER_SYSOP_CALLSIGN="MY1CALL" \
--env CLUSTER_LATITUDE=+51.5 \
--env CLUSTER_LONGITUDE=-0.13 \
--env CLUSTER_LOCATOR="IO91WM" \
--env CLUSTER_QTH='London, England' \
--env CLUSTER_SYSOP_EMAIL="joe@test.com" \
--env CLUSTER_SYSOP_BBS_ADDRESS="MY1CALL@MY1CALL-2.#1.CTY.CO" \
--env CLUSTER_PORT=1234 \
--mount source=dxspider_data,target=/spider \
-p 1234:1234 \
kconkas/dxspider:latest

In the above command, ensure that CLUSTER_PORT value equals to that of the published port -p <host port>:<container port>.

Important: Once generated, DX Spider configuration files will be preserved for subsequent runs in Docker volume named dxspider_data. For subsequent runs you can omit setting the CLUSTER_* environment variables as they will be ignored anyway. If you wish to change this behaviour and overwrite configuration files (for example to change some parameters) add --env OVERWRITE_CONFIG="yes" to the above command.

If your node started up successfully, at the end of the startup you should get an output similar to:

reading database descriptors ...
doing local initialisation ...
orft we jolly well go ...
queue msg (0)
queue msg (0)

You can now telnet to your cluster node and use it list like any other telnet node:

$ telnet localhost 1234
Trying ::1...
Connected to localhost.
Escape character is '^]'.
login: MY1CALL
MY1CALL
Hello Joe Bloggs, this is MY1CALL-2 in London, England
running DXSpider V1.55 build 0.166
Cluster: 1 nodes, 1 local / 1 total users  Max users 1  Uptime 0 00:08
MY1CALL de MY1CALL-2  4-Oct-2018 0918Z dxspider >

If you want to allow external connections to your node, you will need to allow this traffic on your firewall.

Sysop Shell

In order to get a sysop shell in your running Docker container:

  1. Find out your running container ID

    $ docker ps | grep dxspider
    CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS              PORTS                    NAMES
    672fba158ac2        dxspider:latest     "/entrypoint.sh"    About a minute ago   Up About a minute   0.0.0.0:1234->1234/tcp   dazzling_kowalevski
  2. Get sysop shell

    $ docker exec -it 672fba158ac2 bash
    sysop@672fba158ac2:/$

    You can now perform administrative tasks as sysop (such as modify configuration files using vim.tiny editor) or simply connect to your local DX Spider instance:

    sysop@672fba158ac2:/spider/local$ cd /spider/src/
    sysop@672fba158ac2:/spider/src$ ./client  MY1CALL
    Hello Joe Bloggs, this is MY1CALL-2 in East Dereham, Norfolk
    running DXSpider V1.55 build 0.166
    Cluster: 1 nodes, 1 local / 1 total users  Max users 1  Uptime 0 00:00
    MY1CALL de MY1CALL-2  4-Oct-2018 0938Z dxspider >

Copying Data to/from Docker Container

Your DX Spider data, user and spot databases, and any customisations of files under /spider directory will be saved in Docker volume called dxspider_data and will be used in subsequent runs provided you started DX Spider container as described in Running in Docker.

Sometimes you may need to copy files from your workstation into your running Docker container (or vice-versa). For instance, you may find it easier to prepare DX Spider connection files using a fully-featured editor instead of vim.tiny. You can do this by using the docker cp command:

  1. Find out your running container ID (see Sysop Shell for more details)

  2. Copy local file to container

    $ docker cp ab1cde 672fba158ac2:/spider/connect/.
    # to verify the file got copied across
    $ docker exec -it 672fba158ac2 ls -la /spider/connect
    total 24
    drwxrwsr-x  2 sysop sysop   4096 Nov  7 18:41 .
    drwxrwsr-x 24 sysop sysop   4096 Oct 28 14:27 ..
    -rw-r--r--  1 sysop sysop      2 Oct 25 13:34 .cvsignore
    -rw-r--r--  1 sysop sysop     23 Oct 25 13:34 .gitignore
    -rw-r--r--  1   502 dialout  194 Nov  7 18:40 ab1cde
    -rw-r--r--  1 sysop sysop    194 Oct 25 13:34 gb7tlh

    Note: In this example the copied file does not have the correct user/group membership. This is due to Docker container user/group databases having no relationship with host workstation's ones. If this is likely to cause issues, you can correct the permissions by running:

    $ docker exec -u root -it 672fba158ac2 chown sysop:sysop /spider/connect/ab1cde
    # verify the file ownership has changed
    $ docker exec -it 672fba158ac2 ls -la /spider/connect
    total 24
    drwxrwsr-x  2 sysop sysop 4096 Nov  7 18:05 .
    drwxrwsr-x 24 sysop sysop 4096 Oct 28 14:27 ..
    -rw-r--r--  1 sysop sysop    2 Oct 25 13:34 .cvsignore
    -rw-r--r--  1 sysop sysop   23 Oct 25 13:34 .gitignore
    -rw-r--r--  1 sysop sysop  194 Nov  7 18:40 ab1cde
    -rw-r--r--  1 sysop sysop  194 Oct 25 13:34 gb7tlh
  3. Copy file from container to local filesystem

    $ docker cp 672fba158ac2:/spider/connect/gb7tlh .
    # to verify the file got copied across
    $ ls -l gb7tlh
    -rw-r--r--  1 kconkas  users  194 25 Oct 14:34 gb7tlh

You can also use this approach to copy directory trees etc. For more details refer to docker cp documentation.

Stopping a Running Container

  1. Find out your running container ID
    $ docker ps | grep dxspider
    CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS              PORTS                    NAMES
    672fba158ac2        dxspider:latest     "/entrypoint.sh"    About a minute ago   Up About a minute   0.0.0.0:1234->1234/tcp   dazzling_kowalevski
  2. Stop the container
    $ docker stop 672fba158ac2
    672fba158ac2

Your DX Spider data is now saved in the dxspider_data volume:

$ docker volume ls --filter name=dxspider_data
DRIVER              VOLUME NAME
local               dxspider_data