# Setup

sudo yum install subversion
sudo yum install ant

sudo yum install gcc gcc-c++.x86_64

# The following is needed for packages such as ExtUtils::MakeMaker
sudo yum install perl-devel

yum install zlib-devel

# JDK 1.8 alraedy present

export JAVA_HOME=/usr/lib/jvm/java-1.8.0/
export PATH=$JAVA_HOME/bin:$PATH
export CFLAGS=-fPIC

# Compile up

ant
ant prepare
ant install


# Optional nicity

sudo yum install emacs

#====
# Set up a public facing web server
#====

sudo yum -y install httpd
sudo service httpd start

# In the AWS console, for the instance access 'security' group
# and add inbound rule for port 80

#====
# Now configure it to operate over https
#----
# => Need to install certbot
#
# On AWS Linux2 this gets a bit fiddly ((yum install error concerning snapd/cerbot related to selinux)
# Next section of details cribbed from:
#  https://aws.amazon.com/blogs/compute/extending-amazon-linux-2-with-epel-and-lets-encrypt/


pushd /tmp
wget --no-check-certificate -O epel.rpm –nv \
  https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
sudo yum install -y ./epel.rpm
popd

# The following doesn't give you the latest auto certbot script, but
# is enough to get the job done

sudo yum install python2-certbot-apache.noarch


sudo certbot --apache

# Note 1: got an error the first time mentioning a pki file that wasn't there
#         when checked, it was there.  running the command for a second time was then ok)
# Note 2: as this isn't the latest 'certbot' it looks like you need to set up your own
#         certbot renew cronjob
# 
# Example output when run on mars.sowemustthinkk.space

<output>
  ...
  Select the appropriate numbers separated by commas and/or spaces, or leave input
  blank to select all options shown (Enter 'c' to cancel): 1
  Requesting a certificate for mars.sowemustthink.space
  Performing the following challenges:
  http-01 challenge for mars.sowemustthink.space
  Waiting for verification...
  Cleaning up challenges
  Created an SSL vhost at /etc/httpd/conf/httpd-le-ssl.conf
  Deploying Certificate to VirtualHost /etc/httpd/conf/httpd-le-ssl.conf
  Enabling site /etc/httpd/conf/httpd-le-ssl.conf by adding Include to root configuration
  Redirecting vhost in /etc/httpd/conf/httpd.conf to ssl vhost in /etc/httpd/conf/httpd-le-ssl.conf

  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  Congratulations! You have successfully enabled https://mars.sowemustthink.space
  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  IMPORTANT NOTES:
   - Congratulations! Your certificate and chain have been saved at:
     /etc/letsencrypt/live/mars.sowemustthink.space/fullchain.pem
     Your key file has been saved at:
     /etc/letsencrypt/live/mars.sowemustthink.space/privkey.pem
     Your cert will expire on 2021-04-13. To obtain a new or tweaked
     version of this certificate in the future, simply run certbot again
     with the "certonly" option. To non-interactively renew *all* of
     your certificates, run "certbot renew"
   - If you like Certbot, please consider supporting our work by:
  
     Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
     Donating to EFF:                    https://eff.org/donate-le
</output>

#----
# Add inbound rule in AWS console for https
#----

#----
# Set up the apache2 httpd config rules to plumb in Greenstone3

emacs /etc/httpd/conf/httpd.conf

#--
<VirtualHost *:80>
    ServerName mars.sowemustthink.space

RewriteEngine on
RewriteCond %{SERVER_NAME} =mars.sowemustthink.space
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]

</VirtualHost>
#--


emacs /etc/httpd/conf/httpd-le-se.conf

#--
<VirtualHost *:443>
    ServerName mars.sowemustthink.space

    ProxyPass /greenstone3 http://localhost:8383/greenstone3
    ProxyPassReverse /greenstone3 http://localhost:8383/greenstone3
    ProxyPassReverseCookiePath /greenstone3 /greenstone3

# And in theory for another Greenstone3 install on the same computer, you
# would want something like the follow
#
#    ProxyPass /other-greenstone3 http://localhost:9393/greenstone3
#    ProxyPassReverse /other-greenstone3 http://localhost:9393/greenstone3
#    <Locaation /other-greenstone3>
#        ProxyPassReverseCookiePath /greenstone3 /other-greenstone3
#    </Location>

SSLCertificateFile /etc/letsencrypt/live/mars.sowemustthink.space/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/mars.sowemustthink.space/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf

    RewriteEngine on
    RewriteRule "^/$"  "/greenstone3/library" [R]

</VirtualHost>
#--

#----
# Restart web server
#----

sudo systemctl restart httpd