Added ansible playbook to generate setup-profile

setup-profiles/ansible-setup-profile/README.md

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+# Ansible setup-profile
+Ansible playbook to generate setup-profile for [gbench](https://github.com/gluster/gbench/) using jinja2 template.
+
+## How to run?
+
+Run the playbook `configure.yml` with additional parameters for servers, clients and devices. Where servers are list of coma seperated hosts(IP addresses/hostnames) that are going to be glusterfs server, clients are coma seperated clients(IP addresses/hosts) that are going to be gluster clients and devices are the list of coma seperated drives(currently same devices names are considered) that are attached to the servers.
+
+```console
+ansible-playbook configure.yml -e 'servers=host1,host2,...hostn clients=client1,client2,...clientn devices=sda,sdb'
+```
+
+## What `configure.yml` does?
+`configure.yml` takes the aditional facts and use it to generate another yaml file `exportenv.yml` using jinja template and `systems.yml` which stores server and client IP/hostname and then it includes the generated `exportenv.yml` and runs its tasks.
+
+`exportenv.yml` creates directories for server and client and adds public files in those created directories.
+
+For example there are three servers whose IP addresses are `10.0.0.1`, `10.0.0.2` and `10.0.0.3` and two clients `10.0.0.4` and `10.0.0.5` the generated directory structure will look like the following which is according to the desired setup-profile
+```console
+ansible-playbook configure.yml -e 'servers=10.0.0.1,10.0.0.2,10.0.0.3 clients=10.0.0.4,10.0.0.5 devices=sda,sdb,sdc'
+```
+
+```
+setup-profile
+├── group_vars
+│   ├── all
+│   ├── client1
+│   │   └── public
+│   ├── client2
+│   │   └── public
+│   ├── server1
+│   │   └── public
+│   ├── server2
+│   │   └── public
+│   └── server3
+│       └── public
+└── inventory.ini
+```

setup-profiles/ansible-setup-profile/configure.yml

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+---
+- hosts: localhost
+  tasks:
+
+  # Create exportenv.yml from the src jinja2 file
+  - template:
+      src: templates/exportenv.yml.j2
+      dest: exportenv.yml
+
+  # Create systems file containing servers and clients from the src jinja2 file
+  - template:
+      src: templates/systems.yml.j2
+      dest: systems.yml
+
+  # includes the tasks from exportenv.yml which was created above
+  - include: exportenv.yml
+...
+

setup-profiles/ansible-setup-profile/setup-profile/group_vars/all

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+---
+# Common variables for all hosts
+
+ansible_connection: ssh
+ansible_user: root
+
+# Cleanup of devices is allowed on this setup
+gbench_device_cleanup: yes
+
+gbench_client_mountpoint: "/mnt/gbench/"
+# Infiniband (IB) over IP variables
+#ipoib_device: ib0
+#ipoib_netmask: 255.255.255.0
+#ipoib_use_gateway: yes
+#ipoib_gateway: em1
+

setup-profiles/ansible-setup-profile/templates/client_public.j2

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+---
+glusterip: {{ hostvars[inventory_hostname]['client%s' | format(var)] }}
+

setup-profiles/ansible-setup-profile/templates/exportenv.yml.j2

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+---
+  - include_vars: systems.yml
+
+  - template:
+      src: templates/inventory.ini.j2
+      dest: setup-profile/inventory.ini
+
+# Create directory for servers and copy public file with value set to server ip/hostname
+{% for server in servers.split(',') %}
+{% set var = loop.index %}
+  - file:
+      path: setup-profile/group_vars/server{{ loop.index }}
+      state: directory
+
+  - name: server{{ var }}
+    template:
+      src: templates/server_public.j2
+      dest: setup-profile/group_vars/server{{ var }}/public
+    vars:
+       var: {{ var }}
+
+{% endfor %}
+
+# Create directory for clients and copy public file with value set to client ip/hostname
+{% for client in clients.split(',') %}
+{% set var = loop.index %}
+  - file:
+      path: setup-profile/group_vars/client{{ loop.index }}
+      state: directory
+
+  - name: client{{ var }}
+    template:
+      src: templates/client_public.j2
+      dest: setup-profile/group_vars/client{{ var }}/public
+    vars:
+       var: {{ var }}
+
+{% endfor %}
+
+...
+

setup-profiles/ansible-setup-profile/templates/inventory.ini.j2

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+[servers]
+{% for host in servers.split(',') %}
+{{ host }}
+{% endfor %}
+
+[clients]
+{% for host in clients.split(',') %}
+{{ host }}
+{% endfor %}
+
+{% for server in servers.split(',') %}
+[server{{ loop.index }}]
+{{ server }}
+
+{% endfor %}
+
+{% for client in clients.split(',') %}
+[client{{ loop.index }}]
+{{ client }}
+
+{% endfor %}
+
+

setup-profiles/ansible-setup-profile/templates/server_public.j2

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+---
+glusterip: {{ hostvars[inventory_hostname]['server%s' | format(var)] }}
+
+devices:
+# Generate list of drives
+{% for device in devices.split(',') %}
+  - '/dev/{{ device }}'
+{% endfor %}

setup-profiles/ansible-setup-profile/templates/systems.yml.j2

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+---
+servers: {{ servers }}
+clients: {{ clients }}
+
+{% for server in servers.split(',') %}
+server{{ loop.index }}: {{ server }}
+{% endfor %}
+
+{% for client in clients.split(',') %}
+client{{ loop.index }}: {{ client }}
+{% endfor %}