Merge "Add ctlplane-ip-range role"

playbooks/ctlplane-ip-range.yaml

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+---
+- hosts: undercloud
+  vars:
+    metadata:
+      name: Check the number of IP addresses available for the overcloud nodes
+      description: >
+        Verify that the number of IP addresses defined in `dhcp_start` and
+        `dhcp_end` fields in `undercloud.conf` is not too low.
+      groups:
+        - pre-introspection
+    ctlplane_iprange_min_size: 25
+  roles:
+    - ctlplane-ip-range

roles/ctlplane-ip-range/defaults/main.yml

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+---
+ctlplane_iprange_min_size: 25

roles/ctlplane-ip-range/meta/main.yml

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+galaxy_info:
+  author: TripleO Validations Team
+  company: Red Hat
+  license: Apache
+  min_ansible_version: 2.4
+
+  platforms:
+  - name: CentOS
+    versions:
+    - 7
+  - name: RHEL
+    versions:
+    - 7
+
+  categories:
+    - cloud
+    - baremetal
+    - system
+  galaxy_tags: []
+    # List tags for your role here, one per line. A tag is a keyword that describes
+    # and categorizes the role. Users find roles by searching for tags. Be sure to
+    # remove the '[]' above, if you add tags to this list.
+    #
+    # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
+    #       Maximum 20 tags per role.
+
+dependencies: []

roles/ctlplane-ip-range/tasks/main.yml

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+---
+- name: Get the path of tripleo undercloud config file
+  become: true
+  hiera:
+    name: "tripleo_undercloud_conf_file"
+
+- name: Get dhcp_start value from the undercloud.conf file
+  become: true
+  ini:
+    path: "{{ tripleo_undercloud_conf_file }}"
+    section: ctlplane-subnet
+    key: dhcp_start
+    ignore_missing_file: True
+  register: dhcp_start
+
+- name: Get dhcp_end value from the undercloud.conf file
+  become: true
+  ini:
+    path: "{{ tripleo_undercloud_conf_file }}"
+    section: ctlplane-subnet
+    key: dhcp_end
+    ignore_missing_file: True
+  register: dhcp_end
+
+- name: Check the size of the DHCP range for overcloud nodes
+  ip_range:
+    start: "{{ dhcp_start.value|default('192.0.2.5') }}"
+    end: "{{ dhcp_end.value|default('192.0.2.24') }}"
+    min_size: "{{ ctlplane_iprange_min_size }}"

roles/ctlplane-ip-range/vars/main.yml

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+---
+metadata:
+  name: Check the number of IP addresses available for the overcloud nodes
+  description: >
+    Verify that the number of IP addresses defined in `dhcp_start` and
+    `dhcp_end` fields in `undercloud.conf` is not too low.
+  groups:
+    - pre-introspection