105 lines
4.6 KiB
Markdown
105 lines
4.6 KiB
Markdown
# Building and installing Moonfire NVR using provided scripts
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This guide will walk you through building and installing Moonfire NVR with the
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provided scripts. You should have already downloaded the source code as
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mentioned in [install.md](install.md), and after completing these instructions
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you should go back to that page to complete configuration.
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There are no binary packages of Moonfire NVR available yet, so it must be built
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from source. This is made easy using a few scripts that will do the job for you
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unless you have very a different operating system. The scripts are written and
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tested under ubuntu and raspbian but should not be hard to modify if necessary.
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## Setting everything up
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Start by executing the setup script:
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$ cd moonfire-nvr
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$ scripts/setup-ubuntu.sh
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If this is the very first time you run this script, a file named `prep.config`
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will be created and the script will stop. This file is where you will set
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or change variables that describe the Moonfire installation you want. The
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initial execution will put default values in this value, but only for the
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most commonly changed variables. For a full list of variables, see below.
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Once you modify this file (if desired), you run the setup script again. This
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time it will use the values in the file and proceed with the setup.
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The script will download and install any pre-requisites. Watch carefully for
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error messages. It may be you have conflicting installations. If that is the
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case you must either resolve those first, or go the manual route.
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The script may be given the `-f` option. If you do, you are telling the script
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that you do not want any existing installation of ffmpeg to be overwritten with
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a newer one. This could be important to you. If you do use it, and the version
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you have installed is not compatible with Moonfire, you will be told through
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a message. If you have no ffmpeg installed, the option is effectively ignored
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and the necessary version of ffmpeg will be installed.
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The setup script should only need to be run once (after `prep.config` has been
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created), although if you do a re-install of Moonfire, in particular a much
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newer version, it is a good idea to run it again as requirements and pre-requisites
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may have changed. Running the script multiple times should not have any negative effects.
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*Note:* It is quite possible that during the running of the setup script,
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in particular during the building of libavutil you will see several compiler
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warnings. This, while undesirable, is a direct result of the original
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developers not cleaning up the cause(s) of these warnings. They are, however,
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just warnings and will not affect correct functioning of Moonfire.
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Once the setup is complete, two steps remain: building and then installing.
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There is a script for each of these scenarios, but since generally you would
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want to install after a succesul build, the build script automatically invokes
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the install script, unless specifically told not to.
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## Building
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The build script is involved like this:
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$ scripts/build.sh
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This script will perform all steps necessary to build a complete Moonfire
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setup. If there are no build errors, this script will then automatically
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invoke the install script (see below).
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There are two options you may pass to this script. The first is `-B` which
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means "build only". In other words, this will stop the automatic invocation
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of the install script. The other option available is `-t` and causes the
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script to ignore the results of any tests. In other words, even if tests
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fail, the build phase will be considered successful. This can occasionally
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be useful if you are doing development, and have temporarily broken one
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or more test, but want to proceed anyway.
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## Installing
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The install step is performed by the script that can be manually invoked
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like this:
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$ scripts/install.sh
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This script will copy various files resulting from the build to the correct
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locations. It will also create a "service configuration" for systemctl that
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can be used to control Moonfire. This service configuration can be prevented
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by using the `-s` option to this script. It will also prevent the automatic
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start of this configuration.
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## Configuration variables
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Although not all listed in the default `prep.config` file, these are the
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available configuration variable and their defaults.
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NVR_USER=moonfire-nvr
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NVR_PORT=8080
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NVR_HOME_BASE=/var/lib
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DB_NAME=db
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DB_DIR=$NVR_HOME/$DB_NAME
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SERVICE_NAME=moonfire-nvr
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SERVICE_DESC="Moonfire NVR"
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SERVICE_BIN=/usr/local/bin/$SERVICE_NAME
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## Completing installation
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After the steps on this page, go back to [Downloading, installing, and
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configuring Moonfire NVR](install.md) to set up the sample file directory and
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configure the system.
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