HTTPS with Ambari for Nagios

Hello guys have you thinked before to use ambari :) its not a kidding name its a server package here you can use it to change behaviour of application from http to https and there is other uses but here we will use it for nagios

1. Set up the Nagios server.
2. Log into the Nagios server host.
3.  Create a self-signed certificate on the Nagios server host. For example:

openssl genrsa -out $nserver.key 2048 
openssl req -new -key $nserver.key -out $nserver.csr  
openssl x509 -req -days 365 -in $nserver.csr -signkey $nserver.key -out $nserver.crt

1. Where $nserver is the Nagios server host name.
2. Install SSL on the Nagios server host.

yum install mod_ssl

1. Edit the SSL configuration file on the Nagios server host.
2. Using a text editor, open:

/etc/httpd/conf.d/ssl.conf

1. Add lines setting the certificate and key file names to the files you created .

SSLCertificateFile      $nserver.crt
SSLCertificateKeyFile  $nserver.key 

1. Disable HTTP access (optional)
2. Using a text editor, open:

/etc/httpd/conf/httpd.conf 

1. Comment out the port 80 listener:

# Listen 80

1. Restart the httpd service on the Nagios server host.

service httpd restart

1. Set up and restart the Ambari Server.
2. Log into the Ambari Server.
3. Run the special setup command and answer the prompts.

ambari-server setup-security

1. Select 2 for Enable HTTPS for Nagios service.
2. Respond y to Do you want to configure HTTPS for Nagios? .
3. Enter your TrustStore type. Your options are jks, jceks, or pks12.
4. Enter the path to your TrustStore file.
5. Enter the password for your TrustStore and then re-enter to confirm. The password must be at least 6 characters long.
6. Enter the path to the Nagios server certificate file.
7. Start or restart the Server

ambari-server restart