ptut-virtenv/install-scripts/installer

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2018-06-10 15:16:08 +00:00
#!/bin/bash
#*************************#
# RELEASER:check #
#*************************#
# Designed & Developed by #
# Adrien Marquès #
# <xdrm-brackets> #
#*************************#
# git.xdrm.io #
#*************************#
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S="20"
inline_progress(){
# 1. init arguments
text=""
size="$S"
sep=" "
# 2. extract text
test ! -z "$1" && text="$1";
# 3. extract size
test ! -z "$2" && test "`expr $2 + 0 2>/dev/null`" = "$2" && size="$2";
# 4. Write text
len="`echo -n \"$text\" | wc -m`";
echo -n "$text";
for i in `seq $len $size`; do echo -n "$sep"; done;
return;
}
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# (1) Check if requirements are installed
#--------------------------------------------------------#
echo -e "\e[33m>\e[0m (1) required programs \e[33m<\e[0m"
requirements="curl git docker docker-compose make"
for r in $requirements; do
inline_progress " . $r";
if which $r >/dev/null 2>&1; then
echo "ok";
else
echo "missing";
echo -e "\n\e[31m/!\\\\\e[0m you must install \e[33m$r\e[0m.";
echo -e " this program is required to install the project";
exit 1;
fi;
done;
# (2) Check docker permissions
#--------------------------------------------------------#
echo;
echo -e "\e[33m>\e[0m (2) docker \e[33m<\e[0m";
# (1) docker permissions #
inline_progress " . group";
if groups | grep 'docker' >/dev/null 2>&1; then
echo "ok";
else
echo "missing";
echo;
echo -e " you might add the current user to the \e[33mdocker\e[0m group !";
echo -e "\e[31m/!\\\\\e[0m it is safer for administrative tasks. You might want";
echo -e " to avoid using 'root' for docker.";
exit 1;
fi;
# (3) find out http installer
#--------------------------------------------------------#
echo;
echo -e "\e[33m>\e[0m (3) http installer \e[33m<\e[0m";
inline_progress " * http server";
echo;
# 1. Check for installed candidates
existing="apache2 httpd nginx"
candidates="";
ncandidates="0"
i="0"
for current in $existing; do
inline_progress " . $current";
if which $current >/dev/null 2>&1; then
echo "ok";
test -z "$candidates" && candidates="$current" || candidates="$candidates $current";
ncandidates="`expr $ncandidates + 1`";
else
echo "..";
fi;
i="`expr $i + 1`";
done;
# 2. fail if no candidate
if [ "$ncandidates" -lt 1 ]; then
echo;
echo -e " no http server has been found, you might install one.";
echo -e "\e[31m/!\\\\\e[0m the installer supports the most common ones: \e[33mnginx\e[0m"
echo -e " and \e[33mapache\e[0m (httpd)";
exit 1;
# 3. only one candidate
elif [ "$ncandidates" -eq 1 ]; then
echo;
echo -e " \e[33m$candidates\e[0m http server has been found. a reverse proxy will be"
echo -e "\e[34m(!)\e[0m installed in order for the project to be remotely accessible.";
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echo -e " do you want to use $candidates ? \e[33my\e[0m/\e[33mn\e[0m";
read -p " > " -n1 install; echo;
case "$install" in
Y|y) ;;
*) echo -e "\n\e[31m/!\\\\\e[0m aborting installation"; exit 1;;
esac;
http_installer="$candidates";
# 4. multiple candidates
else
echo;
echo -e " multiple http server candidates have been found. a reverse proxy will be"
echo -e "\e[34m(!)\e[0m installed in order for the project to be remotely accessible.";
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echo -e " please choose the http server one you want to use:"
echo -e " (0) \e[33mabort\e[0m"
i="1";
for c in $candidates; do echo -e " ($i) \e[33m$c\e[0m"; i="`expr $i + 1`"; done;
read -p " > " -n1 install; echo;
# 4.1. Abort (or invalid)
if [ "`expr $install + 0 2>/dev/null`" != "$install" -o "$install" = "0" ]; then
echo -e "\n\e[31m/!\\\\\e[0m aborting installation"; exit 1;
elif [ "$install" -gt "$ncandidates" ]; then
echo -e "\n\e[31m/!\\\\\e[0m aborting installation"; exit 1;
fi;
http_installer=$(echo $candidates | awk "{print \$$install}")
fi;
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echo;
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# 5. 'httpd' is service name, but config dir is apache2
http_root="/etc/$http_installer";
test "$http_installer" = "httpd" && http_root="/etc/apache2";
# 6. configuration root dir
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inline_progress " . config root";
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if [ -d "$http_root" ]; then
echo "ok";
else
echo "missing";
echo -e "\n\e[31m/!\\\\\e[0m cannot find configuration folder \e[33m$http_root\e[0m. aborting installation";
exit 1;
fi;
# 7. configuration structure
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inline_progress " . config tree";
if [ -d "$http_root/sites-available" -a -d "$http_root/sites-enabled" ]; then
echo "ok";
else
echo "invalid";
echo -e "\n invalid configuration structure. You might have \e[33m$http_root/sites-available\e[0m containing";
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echo -e "\e[31m/!\\\\\e[0m your configurations and \e[33m$http_root/sites-enabled\e[0m containing symbolic links";
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echo -e " only for activated configurations. aborting installation";
exit 1;
fi;
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# (4) information disclaimer
#--------------------------------------------------------#
echo;
echo -e "\e[33m>\e[0m (4) information \e[33m<\e[0m";
echo;
echo -e " \e[34m(!)\e[0m (1) the project will run inside docker containers (3 containers).";
echo;
echo -e " \e[34m(!)\e[0m (2) the only links it has with the host machine (this machine) are:";
echo;
echo -e " \e[34m(!)\e[0m - \e[34mweb files\e[0m (that will be shared between multiple containers)";
echo -e " \e[34m(!)\e[0m - \e[34menvironment files\e[0m (for continuous integration)";
echo -e " \e[34m(!)\e[0m - \e[34ma listening socket\e[0m (to accept incoming http requests)";
echo;
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echo -e " \e[34m(!)\e[0m (3) in order for incoming requests to follow the path:";
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echo -e " \e[34m(!)\e[0m [remote] => [http server] => [docker]";
echo;
echo -e " \e[34m(!)\e[0m we will install a reverse proxy on the http server ($http_installer) to";
echo -e " \e[34m(!)\e[0m automatically redirect requests from a specific \e[34m<HOST>\e[0m to docker's";
echo -e " \e[34m(!)\e[0m listening \e[34m<PORT>\e[0m.";
echo;
echo -e " \e[34m(!)\e[0m WARNING: The \e[34m<HOST>\e[0m must be available for your server and be a sub-domain";
echo -e " \e[34m(!)\e[0m in order for your DNS to be valid.";
echo;
echo -e " \e[34m(!)\e[0m EXAMPLE: If your server has \e[33mexample.net\e[0m as a DNS.";
echo -e " \e[34m(!)\e[0m the \e[34m<HOST>\e[0m \e[33mtest.example.net\e[0m is valid";
echo -e " \e[34m(!)\e[0m the \e[34m<HOST>\e[0m \e[33mtest.google.com\e[0m is not valid";
# (5) prompt server variables
#--------------------------------------------------------#
echo;
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echo -e "\e[33m>\e[0m (5) redirection variables \e[33m<\e[0m";
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# 1. Port
minport="1024"
maxport="49151"
echo -e " * what port do you want docker to use ? (between $minport and $maxport)";
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echo -e " ( values other than \e[33m8080\e[0m may be unstable )";
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echo -en " \e[34m<PORT>\e[0m = ";
read port;
if [ -z "$port" -o "`expr $port + 0 2>/dev/null`" != "$port" ]; then
echo;
echo -e "\e[31m/!\\\\\e[0m invalid port number. aborting installation"
exit 1;
elif [ "$port" -lt $minport -o "$port" -gt $maxport ]; then
echo;
echo -e "\e[31m/!\\\\\e[0m port out of range. aborting installation"
exit 1;
fi;
# 2. Host
echo -e " * what host do you want to redirect to docker ?";
echo -en " \e[34m<HOST>\e[0m = ";
read host;
if [ -z "$host" ]; then
echo;
echo -e "\e[31m/!\\\\\e[0m invalid host. aborting installation"
exit 1;
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fi;
# 3. Unlock permissions
echo -n " * sudo access ";
if sudo echo "granted"; then
echo -n "";
else
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echo;
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echo -e "\e[31m/!\\\\\e[0m permission issue. you must launch the installer with a sudoer. aborting installation"
exit 1;
fi;
# (6) pre-install: reverse-proxy
#--------------------------------------------------------#
echo;
echo -e "\e[33m>\e[0m (6) reverse proxy \e[33m<\e[0m";
# (1) LOCAL DNS #
inline_progress " . local dns";
# 1.1. remove previously generated + append new line
cat /etc/hosts | grep -vP "# generated by: ptut installer" > /tmp/installer_hosts;
echo -e "127.0.0.1\t$host\t# generated by: ptut installer" | sudo tee -a /tmp/installer_hosts >/dev/null;
sudo cp /etc/hosts /etc/hosts.backup;
sudo mv /tmp/installer_hosts /etc/hosts;
c2="$?";
# 1.2. manage errors
if [ "$c2" = "0" ]; then
echo "ok";
else
echo;
echo -e "\e[31m/!\\\\\e[0m cannot write to /etc/hosts. skipping this step."
fi;
inline_progress " * $http_installer"; echo;
# 1. Copy configuration
echo -n " - create proxy configuration ";
if [ "$http_installer" = "apache2" -o "$http_installer" = "httpd" ]; then
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echo """<VirtualHost *:80>
ServerName $host
ServerAlias www.$host
ProxyPreserveHost On
ProxyRequests off
ProxyPass / http://127.0.0.1:$port/
ProxyPassReverse / http://127.0.0.1:$port/
</VirtualHost>""" | sudo tee $http_root/sites-available/$host.reverse-proxy > /dev/null;
elif [ "$http_installer" = "nginx" ]; then
echo """server {
listen 80;
server_name $host www.$host;
location / {
proxy_set_header Host \$host;
proxy_pass http://127.0.0.1:$port;
}
}""" | sudo tee $http_root/sites-available/$host.reverse-proxy > /dev/null;
else
echo "error";
echo -e "\n\e[31m/!\\\\\e[0m no installer matches '$http_installer'. aborting installation";
exit 1;
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fi;
# manage error
if [ "$?" = "0" ]; then
echo "ok";
else
echo "error";
echo -e "\n\e[31m/!\\\\\e[0m cannot write to $http_root/sites-availables/. aborting installation";
exit 1;
fi;
echo -n " - enable proxy ";
sudo ln -fs ../sites-available/$host.reverse-proxy $http_root/sites-enabled/$host.reverse-proxy;
echo "ok";
echo -n " - reload server ";
sudo systemctl is-active $http_installer || sudo systemctl start $http_installer;
sudo systemctl reload $http_installer;
echo "ok";
# (7) clone sources
#--------------------------------------------------------#
echo;
echo -e "\e[33m>\e[0m (7) fetching \e[33m<\e[0m";
# 1. Clone
inline_progress " . cloning";
git clone --recursive https://git.xdrm.io/ptut/virtenv.git $host;
if [ "$?" = "0" ]; then
echo "ok";
else
echo "error";
echo -e "\n\e[31m/!\\\\\e[0m cannot clone sources to ./$host. aborting installation";
exit 1;
fi;
# 2. Fetch database
inline_progress " . fetch data";
mkdir -p ./$host/metactl/persistent \
&& curl https://xdrm.io/script/ptut-database > ./$host/metactl/persistent/mariadb.sql;
if [ "$?" = "0" ]; then
echo "ok";
else
echo "error";
echo -e "\n\e[31m/!\\\\\e[0m cannot fetch data. aborting installation";
exit 1;
fi;
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# 3. Set custom port
inline_progress " . port $port";
cat ./$host/docker-compose.yml | sed "s/8080:80/$port:80/" > /tmp/docker-compose-new-port;
mv /tmp/docker-compose-new-port ./$host/docker-compose.yml;
echo "ok";
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# (8) make installer
#--------------------------------------------------------#
echo;
echo -e "\e[33m>\e[0m (8) installer \e[33m<\e[0m";
make -C ./$host start;