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Updated production environment (markdown)

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Simon Pamies
2013-02-08 14:28:31 +01:00
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[[_TOC_]]
## General
Our current server deployment uses a 64bit Java7 Hotspot virtual machine and runs on a 64bit Linux CentOS distribution. We have a single host (sapsailing.com) which runs a number of Java VMs, some to offer the application in different development stages (dev, test, prod, ...), some to perform specific tasks such as replicating UDP wind data to the various server processes, or a process to store data received from the SwissTiming connector durably while forwarding that data to a server VM requesting it.
The various processes run in "tmux" sessions to which, once connected to sapsailing.com with an ssh client, users can gain access using the `tmux -2 attach-session -t sailing` command. The tmux environment including is started automagically upon system boot.
For the OSGi containers by convention we have one directory under _/home/trac/servers/_ per deployable branch (dev, test, prod1, prod2). In those directories we have copies of the "install" script from the git's java/target folder. Running it after a successful product build on the branch corresponding to the current directory will copy the compiled product to the server directory. Running the start script will then launch the respective server instance. A safety check in the install script avoids accidentally overwriting a server directory with a non-matching product version by comparing the directory name with the branch name checked out under _/home/trac/git_.
## Configuration Files
Configuration files are coming from a git repository that is located at server:/home/trac/git-serverconfig. There is a clone at server:/home/trac/serverconfig/production. This clone is based on the branch production. Files from this directory are used as the base for all configuration files on the server. NEVER touch git-serverconfig (the ORIGIN).