added ansible for deployment in private infrastrucutre

deploy/roles/rsync/files/rsyncd.example.conf

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+motd file = /etc/rsyncd.motd
+log file = /var/log/rsyncd.log
+pid file = /var/run/rsyncd.pid
+lock file = /var/run/rsync.lock
+
+[jupyter_data]
+   path = /nfs/jupyter/data
+   comment = Jupyter data files
+   uid = nobody
+   gid = nobody
+   read only = yes
+   list = yes
+   auth users = @rsync:ro
+   secrets file = /etc/rsyncd.secrets
+   hosts allow = 192.168.1.0/24
+   hosts deny = 0.0.0.0/0

deploy/roles/rsync/handlers/main.yml

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+---
+- name: restart the rsync service
+  systemd:
+    name: "{{ rsync.service_name }}"
+    state: restarted

deploy/roles/rsync/tasks/main.yml

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+---
+# Configure the rsync daemon on the master
+- name: copy rsync.conf up to the server
+  copy:
+    src: "{{ rsync.config_file.src }}"
+    dest: "{{ rsync.config_file.dest }}"
+  notify:
+    - restart the rsync service
+  when: inventory_hostname == rsync.master
+
+- name: configure rsync on the server
+  service:
+    enabled: yes
+    name: "{{ rsync.service_name }}"
+    state: started
+  when: inventory_hostname == rsync.master
+
+# Synchronize the data folder across hosts
+- name: synchronize the data folder
+  delegate_to: "{{ rsync.master }}"
+  synchronize:
+    src: "{{ sync.source }}"
+    dest: "{{ sync.destination }}"
+    rsync_opts: "{{ rsync.options }}"
+    use_ssh_args: yes
+  when: inventory_hostname != rsync.master

deploy/roles/rsync/vars/main.yml

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+---
+rsync:
+  config_file:
+    src: rsyncd.conf
+    dest: /etc/rsyncd.conf
+  master: ml1
+  options:
+    - "-e ssh"
+    - "--no-motd"
+  service_name: rsync