sample script to install N|Solid components into ~/nsolid

nsolid-install.sh

#!/bin/bash

#-------------------------------------------------------------------------------
# download/unpack componentry for N|Solid into ~/nsolid
#-------------------------------------------------------------------------------
# updates:
# 2016-05-04 print note about officially supported "Download All" tarball
# 2016-02-10 change to get N|Solid versions dynamically from index.tab
# 2016-02-10 upgrade to N|Solid 1.2.1
# 2016-01-12 upgrade to N|Solid 1.2.0
# 2015-12-04 upgrade to N|Solid 1.1.1
# 2015-11-18 upgrade to N|Solid 1.1.0
# 2015-10-20 first published
#-------------------------------------------------------------------------------

echo 'As of May 2016, with N|Solid 1.3, you can now download all the N|Solid bits'
echo 'in a single tarball.  That tarball includes an `install.sh` script similar'
echo 'to this one.  See the "Download All" links at https://downloads.nodesource.com/'
echo ''
echo 'Though this script will continue to work, you probably want to use the'
echo '"Download All" process in the future, as that is officially supported,'
echo 'and this script is not.'
echo ''

#-------------------------------------------------------------------------------
# download/unpack componentry for N|Solid into ~/nsolid
#-------------------------------------------------------------------------------

# directories

DIR_DOWN=~/Downloads
DIR_INST=~/nsolid

# URL prefixes
URL_NSOL=https://nsolid-download.nodesource.com/download
URL_ETCD=https://github.com/coreos/etcd/releases/download

# version #'s
VERSION_ETCD=v2.3.3
VERSION_NSOL=`curl -s https://nsolid-download.nodesource.com/download/nsolid-node/release/index.tab    | tail -n +2 | head -n 1 | cut -f2`
VERSION_CONS=`curl -s https://nsolid-download.nodesource.com/download/nsolid-console/release/index.tab | tail -n +2 | head -n 1 | cut -f2`
VERSION_PROX=`curl -s https://nsolid-download.nodesource.com/download/nsolid-proxy/release/index.tab   | tail -n +2 | head -n 1 | cut -f2`

echo "downloading N|Solid to ${DIR_DOWN}"
echo "installing  N|Solid in ${DIR_INST}"
echo ""

# get os version
if [[ "$OSTYPE" == "linux-gnu" ]]; then
  OS=linux
  ETCD_EXT=tar.gz
elif [[ "$OSTYPE" == "darwin"* ]]; then
  OS=darwin
  ETCD_EXT=zip
else
  echo "unknown OS, downloading linux"
  OS=linux
  ETCD_EXT=tar.gz
fi

#-------------------------------------------------------------------------------
# start downloads
#-------------------------------------------------------------------------------

mkdir -p ${DIR_DOWN}

echo "downloading N|Solid Runtime ${VERSION_NSOL}"
curl \
  --user-agent nsolid-install.sh \
  --location \
  --progress-bar \
  --output ${DIR_DOWN}/nsolid-node.tar.gz \
  ${URL_NSOL}/nsolid-node/release/${VERSION_NSOL}/nsolid-${VERSION_NSOL}-${OS}-x64.tar.gz

echo "downloading N|Solid Console ${VERSION_CONS}"
curl \
  --user-agent nsolid-install.sh \
  --location \
  --progress-bar \
  --output ${DIR_DOWN}/nsolid-cons.tar.gz \
  ${URL_NSOL}/nsolid-console/release/${VERSION_CONS}/nsolid-console-${VERSION_CONS}-${OS}-x64.tar.gz

echo "downloading N|Solid Proxy ${VERSION_PROX}"
curl \
  --user-agent nsolid-install.sh \
  --location \
  --progress-bar \
  --output ${DIR_DOWN}/nsolid-prox.tar.gz \
  ${URL_NSOL}/nsolid-proxy/release/${VERSION_PROX}/nsolid-proxy-${VERSION_PROX}.tar.gz

echo "downloading etcd ${VERSION_ETCD}"
curl \
  --user-agent nsolid-install.sh \
  --location \
  --progress-bar \
  --output ${DIR_DOWN}/etcd.${ETCD_EXT} \
  ${URL_ETCD}/${VERSION_ETCD}/etcd-${VERSION_ETCD}-${OS}-amd64.${ETCD_EXT}

#-------------------------------------------------------------------------------
# unpack
#-------------------------------------------------------------------------------

echo ""
echo "unpacking tarballs"

mkdir -p ${DIR_INST}
mkdir -p ${DIR_INST}/console
mkdir -p ${DIR_INST}/proxy
mkdir -p ${DIR_INST}/etcd

rm -rf   ${DIR_INST}/console/*
rm -rf   ${DIR_INST}/proxy/*
rm -rf   ${DIR_INST}/etcd/*

tar --strip-components 1 -zxf ${DIR_DOWN}/nsolid-node.tar.gz -C ${DIR_INST}
tar --strip-components 1 -zxf ${DIR_DOWN}/nsolid-cons.tar.gz -C ${DIR_INST}/console
tar --strip-components 1 -zxf ${DIR_DOWN}/nsolid-prox.tar.gz -C ${DIR_INST}/proxy
tar --strip-components 1 -zxf ${DIR_DOWN}/etcd.${ETCD_EXT}   -C ${DIR_INST}/etcd

#-------------------------------------------------------------------------------
# write launch scripts
#-------------------------------------------------------------------------------

#--------------------------------------
echo "writing launch-etcd.sh"

cat > ${DIR_INST}/launch-etcd.sh << END_ETCD_SH
#!/bin/sh
cd ${DIR_INST}/etcd
./etcd
END_ETCD_SH

chmod +x ${DIR_INST}/launch-etcd.sh

#--------------------------------------
echo "writing launch-nsolid-console.sh"

cat > ${DIR_INST}/launch-nsolid-console.sh << END_CONSOLE_SH
#!/bin/sh
cd ${DIR_INST}/console
NODE_ENV=production ../bin/nsolid bin/nsolid-console --interval=3000
END_CONSOLE_SH

chmod +x ${DIR_INST}/launch-nsolid-console.sh

#--------------------------------------
echo "writing launch-proxy.sh"

cat > ${DIR_INST}/launch-nsolid-proxy.sh << END_PROXY_SH
#!/bin/sh
cd ${DIR_INST}/proxy
../bin/nsolid proxy.js
END_PROXY_SH

chmod +x ${DIR_INST}/launch-nsolid-proxy.sh