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#! /bin/bash
# This script will install Jenkins on CentOS 7 minimal ISO

PASSWORD="nekipassword"
DOMAIN="jenkins.domain.cc"


# installing useful tools
yum -y install vim net-tools wget telnet

# install nginx
yum -y install epel-release
yum -y install nginx
systemctl enable nginx
systemctl start nginx
systemctl stop firewalld
systemctl disable firewalld

# Install Java and Jenkins
wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key
yum -y install jenkins java
systemctl enable jenkins && systemctl start jenkins

# Setup vhost/server block
mkdir -p /var/www/$DOMAIN/public_html
echo 'Hello world!' > /var/www/$DOMAIN/public_html/index.html
chmod 755 /var/www/$DOMAIN/public_html
mkdir /etc/nginx/sites-available /etc/nginx/sites-enabled
sed -i '/http {/a include /etc/nginx/sites-enabled/*.conf;\nserver_names_hash_bucket_size 64;' /etc/nginx/nginx.conf

echo "server {

listen 80;
server_name $DOMAIN;

location / {

# Fix the "It appears that your reverse proxy set up is broken" error.
proxy_pass http://127.0.0.1:8080;
proxy_read_timeout 90;

proxy_redirect http://127.0.0.1:8080 http://$DOMAIN;

# Required for new HTTP-based CLI
proxy_http_version 1.1;
proxy_request_buffering off;
# workaround for https://issues.jenkins-ci.org/browse/JENKINS-45651
add_header X-SSH-Endpoint jenkins.domain.tld:50022 always;
}
}

" > /etc/nginx/sites-available/$DOMAIN.conf

sed -i '/location \/ {/a\ proxy_set_header Host $host:$server_port;\n proxy_set_header X-Real-IP $remote_addr;\n proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n proxy_set_header X-Forwarded-Proto $scheme;' /etc/nginx/sites-available/$DOMAIN.conf

ln -s /etc/nginx/sites-available/$DOMAIN.conf /etc/nginx/sites-enabled/$DOMAIN.conf
#set selinux
yum install -y setroubleshoot-server selinux-policy-devel
semanage port -m -t http_port_t -p tcp 8080
chcon -Rt httpd_sys_content_t /var/www/
systemctl restart nginx jenkins

# enable jenkins user to login to ssh and create keys
yum -y install sshpass
echo -e "$PASSWORD\n$PASSWORD" | passwd jenkins
sed -i 's/\/var\/lib\/jenkins\:\/bin\/false/\/var\/lib\/jenkins\:\/bin\/bash/g' /etc/passwd

mkdir /var/lib/jenkins/.ssh
ssh-keygen -f /var/lib/jenkins/.ssh/jenkins -t rsa -N ''
cp /var/lib/jenkins/.ssh/jenkins.pub /var/lib/jenkins/.ssh/authorized_keys
mv /var/lib/jenkins/.ssh/jenkins /var/lib/jenkins/.ssh/id_rsa
chown -R jenkins /var/lib/jenkins/.ssh/
echo -e 'Host *\nStrictHostKeyChecking=no' > /var/lib/jenkins/.ssh/config

set -x

set +x

set -e