install: use git submodules for dependencies

This is helpful for dependencies version management.

.gitmodules

@@ -0,0 +1,12 @@
+[submodule "nmos-dep/nmos-common"]
+	path = nmos-dep/nmos-common
+	url = https://github.com/pkeroulas/nmos-common.git
+[submodule "nmos-dep/nmos-reverse-proxy"]
+	path = nmos-dep/nmos-reverse-proxy
+	url = https://github.com/pkeroulas/nmos-reverse-proxy.git
+[submodule "nmos-dep/nmos-node"]
+	path = nmos-dep/nmos-node
+	url = https://github.com/bbc/nmos-node.git
+[submodule "nmos-dep/nmos-mdns-bridge"]
+	path = nmos-dep/nmos-mdns-bridge
+	url = https://github.com/pkeroulas/nmos-mdns-bridge.git

install.sh

@@ -10,8 +10,8 @@ set -e
 # Install dependencies
 apt-get install -y curl git
 
-# Capture the working directory
-DIR=$(pwd)
+# Capture the top directory
+TOP_DIR=$(dirname $(readlink -f $0))
 
 # Add apt repositories for NodeJS and Yarn
 curl -sL https://deb.nodesource.com/setup_12.x | bash -
@@ -21,10 +21,6 @@ echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.lis
 # Install NodeJS and Yarn
 apt-get update && apt-get install -y nodejs yarn
 
-# Create and cd into the directory required to run the provision_node script
-mkdir -p /home/vagrant
-cd /home/vagrant
-
 # Provision a Node
 #!/usr/bin/env bash
 
@@ -48,32 +44,30 @@ apt-get install -y python3 python3-pip python3-mock dh-python \
     python-setuptools python-all python3-setuptools python3-stdeb \
     python-is-python3
 
-git clone https://github.com/bbc/nmos-common.git
-git clone https://github.com/bbc/nmos-reverse-proxy.git
-git clone https://github.com/bbc/nmos-node.git
-git clone https://github.com/bbc/nmos-mdns-bridge.git
+git submodule update --init
+NMOS_DEP_DIR=${TOP_DIR}/nmos-dep
 
-cd /home/vagrant/nmos-common
+cd ${NMOS_DEP_DIR}/nmos-common
 pip3 install -e .
 install -m 666 /dev/null /var/log/nmos.log
 
-cd /home/vagrant/nmos-reverse-proxy
+cd ${NMOS_DEP_DIR}/nmos-reverse-proxy
 sed -i "s/, python3-nmoscommon//" stdeb.cfg
 make dsc
 mk-build-deps --install deb_dist/nmosreverseproxy_*.dsc --tool "$APT_TOOL"
 make deb
 dpkg -i dist/python3-nmosreverseproxy_*_all.deb
 apt-get -f -y install
 
-cd /home/vagrant/nmos-mdns-bridge
+cd ${NMOS_DEP_DIR}/nmos-mdns-bridge
 sed -i "s/, python3-nmoscommon//" stdeb.cfg
 make dsc
 mk-build-deps --install deb_dist/mdnsbridge_*.dsc --tool "$APT_TOOL"
 make deb
 dpkg -i dist/python3-mdnsbridge_*_all.deb
 apt-get -f -y install
 
-cd /home/vagrant/nmos-node
+cd ${NMOS_DEP_DIR}/nmos-node
 sed -i "s/, python3-nmoscommon//" stdeb.cfg
 make dsc
 mk-build-deps --install deb_dist/nodefacade_*.dsc --tool "$APT_TOOL"
@@ -84,4 +78,4 @@ apt-get -f -y install
 service apache2 restart
 
 # Move back to the starting directory
-cd $DIR
+cd $TOP_DIR