Create validate_device_mapping_file.yml

Signed-off-by: sakshiarora13 sakshi_arora1@dell.com
Signed-off-by: sakshiarora13 <sakshi_arora1@dell.com>

control_plane/roles/control_plane_common/tasks/validate_device_mapping_file.yml

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+# Copyright 2021 Dell Inc. or its subsidiaries. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# limitations under the License.
+---
+- name: Check that device mapping file exists at mentioned path
+  stat:
+    path: "{{ mngmnt_mapping_file_path }}"
+  register: stat_result
+  tags: install
+
+- name: Fail if config file doesn't exist
+  fail:
+    msg: "{{ fail_msg_mapping_file + mngmnt_mapping_file_path }}"
+  when: not stat_result.stat.exists
+  tags: install
+
+- name: Read device mapping file from CSV file and return a dictionary
+  read_csv:
+    path: "{{ mngmnt_mapping_file_path }}"
+    key: "{{ mapping_file_key }}"
+  register: device_mapping_file
+  delegate_to: localhost
+  tags: install
+
+- name: Check if header is present in mapping file
+  shell:  set -o pipefail && awk 'NR==1 { print $1}' "{{ mngmnt_mapping_file_path }}"
+  register: mngmnt_header
+  changed_when: false
+  tags: install
+
+- name: Fail if header not in correct format
+  fail:
+    msg: "{{ fail_device_mapping_file_header }}"
+  when: mngmnt_header.stdout !=  device_mapping_header_format
+  tags: install
+
+- name: Check if mapping file is comma seperated
+  shell: awk -F\, '{print NF-1}' "{{ mngmnt_mapping_file_path }}"
+  register: mngmnt_comma_seperated
+  changed_when: false
+  tags: install
+
+- name: Fail if not comma seperated or if all fields are not given
+  fail:
+    msg: "{{ fail_mapping_file_field_seperation }}"
+  when: not(item =="1")
+  with_items: "{{ mngmnt_comma_seperated.stdout_lines }}"
+  tags: install
+
+- name: Initialize count variables
+  set_fact:
+    list_of_ips: []
+    count_total_items: "{{ device_mapping_file.dict |length }}"
+  tags: install
+
+- name: Create list of IPs in mapping file
+  set_fact:
+    list_of_ips: "{{ [ item.value.IP ] + list_of_ips }}"
+  loop: "{{ device_mapping_file.dict | dict2items }}"
+  loop_control:
+    label: "{{ item.value.MAC }}"
+  tags: install
+
+- name: Find count of unique IPs
+  set_fact:
+    count_of_unique_ip : "{{ list_of_ips| unique| length }}"
+  tags: install
+
+- name: Validation to check if unique IPs are provided for each node
+  fail:
+    msg: "{{ fail_mapping_file_duplicate_ip + mngmnt_mapping_file_path }}"
+  when: not(count_of_unique_ip|int == count_total_items|int)
+  tags: install