Added project 0x0F

0x0F-load_balancer/0-custom_http_response_header

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+#!/usr/bin/env bash
+# Configure Nginx so that its HTTP response contains a custom header
+# HTTP response contains a custom header (on web-01 and web-02)
+var=$(hostname)
+new_string="error_page 404 \/custom_404.html;\n location \/redirect_me {\n return 301 \$scheme:\/\/www.google.com;"
+new_string2="server {\n\tadd_header X-Served-By $var;"
+
+apt-get update -y
+apt-get install nginx -y
+echo "Hello World!" > /usr/share/nginx/html/index.html
+mkdir -p /var/www/html
+echo "Ceci n'est pas une page" > /var/www/html/custom_404.html
+sudo sed -i -E "s/^[^#]+location \/ \{/$new_string/" /etc/nginx/sites-available/default
+sudo sed -i -E "s/^server \{/$new_string2/" /etc/nginx/sites-available/default
+sudo service nginx start

0x0F-load_balancer/1-install_load_balancer

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+#!/usr/bin/env bash
+#Installs and configures HAproxy in a load balancer server
+
+apt-get install -y software-properties-common
+add-apt-repository -y ppa:vbernat/haproxy-1.8
+apt-get update
+apt-get install -y haproxy=1.8.\*
+
+echo "ENABLED=1" >> /etc/default/haproxy
+mv /etc/haproxy/haproxy.cfg{,.original}
+touch /etc/haproxy/haproxy.cfg
+
+printf %s "global
+    log 127.0.0.1 local0 notice
+    maxconn 2000
+    user haproxy
+    group haproxy
+defaults
+    log     global
+    mode    http
+    option  httplog
+    option  dontlognull
+    retries 3
+    option redispatch
+    timeout connect  5000
+    timeout client  10000
+    timeout server  10000
+listen hbnb
+    bind 0.0.0.0:80
+    mode http
+    stats enable
+    stats uri /haproxy?stats
+    balance roundrobin
+    option httpclose
+    option forwardfor
+    server 356520-web-01 54.89.27.149:80 check
+    server 356520-web-02 100.25.152.185:80 check
+" >> /etc/haproxy/haproxy.cfg
+
+service haproxy start

0x0F-load_balancer/2-puppet_custom_http_response_header.pp

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+# Installs a Nginx server with custom HTTP header
+
+exec {'update':
+  provider => shell,
+  command  => 'sudo apt-get -y update',
+  before   => Exec['install Nginx'],
+}
+
+exec {'install Nginx':
+  provider => shell,
+  command  => 'sudo apt-get -y install nginx',
+  before   => Exec['add_header'],
+}
+
+exec { 'add_header':
+  provider    => shell,
+  environment => ["HOST=${hostname}"],
+  command     => 'sudo sed -i "s/include \/etc\/nginx\/sites-enabled\/\*;/include \/etc\/nginx\/sites-enabled\/\*;\n\tadd_header X-Served-By \"$HOST\";/" /etc/nginx/nginx.conf',
+  before      => Exec['restart Nginx'],
+}
+
+exec { 'restart Nginx':
+  provider => shell,
+  command  => 'sudo service nginx restart',
+}

0x0F-load_balancer/README.md

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+# Load balancer