Add support for Bare Metal Provisioning (BMP) of Dell switches via seed

We extend the configuration of the Bifrost dnsmasq server on the seed to
support Bare Metal Provisioning of Dell switches.

ansible/dell-switch-bmp.yml

@@ -0,0 +1,11 @@
+---
+# This playbook will configure a Bare Metal Provisioning (BMP) environment for
+# Dell switches on the seed node so that they can be network booted.
+
+- name: Ensure that a Bare Metal Provisioning (BMP) environment is configured for Dell switches on the seed
+  hosts: seed
+  roles:
+    - role: dell-switch-bmp
+      # This is the Nginx web server on the seed node.
+      dell_switch_bmp_http_base_url: "http://{{ provision_oc_net_name | net_ip }}:8080"
+      when: "{{ dell_switch_bmp_images }}"

ansible/group_vars/all/dell-switch-bmp

@@ -0,0 +1,10 @@
+---
+# Dell Switch Bare Metal Provisioning (BMP) configuration.
+
+# List of images to provide a BMP configuration for.
+# Each item should be a dict with the following keys:
+# url: URL of the image to download.
+# dest: Name of the file to download the image to.
+# match: dnsmasq match rule to match hosts against.
+# tag: dnsmasq tag to apply to matching hosts.
+dell_switch_bmp_images: []

ansible/roles/dell-switch-bmp/defaults/main.yml

@@ -0,0 +1,16 @@
+---
+# List of images to provide a BMP configuration for.
+# Each item should be a dict with the following keys:
+# url: URL of the image to download.
+# dest: Name of the file to download the image to.
+# match: dnsmasq match rule to match hosts against.
+# tag: dnsmasq tag to apply to matching hosts.
+# checksum: optional checksum of image, in format required for Ansible's
+#           get_url module.
+dell_switch_bmp_images: []
+
+# Base URL of HTTP server.
+dell_switch_bmp_http_base_url:
+
+# Path to HTTP server base directory.
+dell_switch_bmp_httpboot_path: "/httpboot"

ansible/roles/dell-switch-bmp/handlers/main.yml

@@ -0,0 +1,28 @@
+---
+- name: Copy dnsmasq configuration
+  command: >
+    docker exec bifrost_deploy
+    bash -c 'source /bifrost/env-vars &&
+    ansible -vvvv target -i /bifrost/playbooks/inventory/target
+    -m copy
+    -a "src=/etc/bifrost/dell-switch-bmp.conf dest=/etc/dnsmasq.d/dell-switch-bmp.conf"
+    -e "ansible_python_interpreter=/var/lib/kolla/venv/bin/python"'
+
+- name: Restart bifrost dnsmasq
+  command: >
+    docker exec bifrost_deploy
+    bash -c 'source /bifrost/env-vars &&
+    ansible -vvvv target -i /bifrost/playbooks/inventory/target
+    -m service
+    -a "name=dnsmasq state=restarted"
+    -e "ansible_python_interpreter=/var/lib/kolla/venv/bin/python"'
+
+- name: Copy Dell switch BMP images
+  command: >
+    docker exec bifrost_deploy
+    bash -c 'source /bifrost/env-vars &&
+    ansible -vvvv target -i /bifrost/playbooks/inventory/target
+    -m copy
+    -a "src=/etc/bifrost/{{ item.dest }} dest={{ dell_switch_bmp_httpboot_path }}/{{ item.dest }}"
+    -e "ansible_python_interpreter=/var/lib/kolla/venv/bin/python"'
+  with_items: "{{ dell_switch_bmp_images }}"

ansible/roles/dell-switch-bmp/tasks/main.yml

@@ -0,0 +1,22 @@
+---
+- name: Ensure dnsmasq configuration is present
+  template:
+    src: dell-switch-bmp.conf.j2
+    dest: /etc/kolla/bifrost/dell-switch-bmp.conf
+  notify:
+    - Copy dnsmasq configuration
+    - Restart bifrost dnsmasq
+  become: True
+
+- name: Ensure Dell BMP installer images are downloaded
+  get_url:
+    url: "{{ item.url }}"
+    dest: "/etc/kolla/bifrost/{{ item.dest }}"
+    # If no checksum is provided, download images every time to ensure changes
+    # are pulled.
+    force: "{{ omit if item.checksum is defined else 'yes' }}"
+    checksum: "{{ item.checksum | default(omit) }}"
+  with_items: "{{ dell_switch_bmp_images }}"
+  notify:
+    - Copy Dell switch BMP images
+  become: True

ansible/roles/dell-switch-bmp/templates/dell-switch-bmp.conf.j2

@@ -0,0 +1,12 @@
+# {{ ansible_managed }}
+
+# This file provides dnsmasq configuration for Dell Switches using Bare Metal
+# Provisioning (BMP).
+
+{% for image in dell_switch_bmp_images %}
+# Match entry for Dell Switch BMP image {{ image.dest }}.
+dhcp-match=set:{{ image.tag }},{{ image.match }}
+# Boot entry for Dell Switch BMP image {{ image.dest }}.
+dhcp-boot=tag:{{ image.tag }},{{ dell_switch_bmp_http_base_url }}/{{ image.dest | basename }}
+
+{% endfor %}

etc/kayobe/dell-switch-bmp.yml

@@ -0,0 +1,14 @@
+---
+# Dell Switch Bare Metal Provisioning (BMP) configuration.
+
+# List of images to provide a BMP configuration for.
+# Each item should be a dict with the following keys:
+# url: URL of the image to download.
+# dest: Name of the file to download the image to.
+# match: dnsmasq match rule to match hosts against.
+# tag: dnsmasq tag to apply to matching hosts.
+#dell_switch_bmp_images:
+
+###############################################################################
+# Dummy variable to allow Ansible to accept this file.
+workaround_ansible_issue_8743: yes

kayobe/cli/commands.py

@@ -193,7 +193,9 @@ class SeedServiceDeploy(KollaAnsibleMixin, KayobeAnsibleMixin, Command):
         self.app.LOG.debug("Deploying seed services")
         ansible.run_playbook(parsed_args, "ansible/kolla-bifrost.yml")
         kolla_ansible.run_seed(parsed_args, "deploy-bifrost")
-        ansible.run_playbook(parsed_args, "ansible/seed-introspection-rules.yml")
+        playbooks = _build_playbook_list(
+            "seed-introspection-rules", "dell-switch-bmp")
+        ansible.run_playbooks(parsed_args, playbooks)
 
 
 class SeedContainerImageBuild(KayobeAnsibleMixin, Command):