Add correct SELinux context for /tftpboot and fix map-file ACL

Change-Id: If89f1506ddd345df217739bf5dbb15d18b44c096
(cherry picked from commit 3aacfd3226)

playbooks/roles/bifrost-ironic-install/tasks/bootstrap.yml

@@ -359,6 +359,15 @@
         setype: http_port_t
         state: present
 
+    - name: "Add proper context on created data for tftpboot"
+      sefcontext:
+        target: "{{ item }}"
+        setype: tftpdir_t
+        state: present
+      loop:
+        - /tftpboot
+        - /tftpboot/pxelinux.cfg
+
     - name: "Add proper context on created data for http_boot"
       sefcontext:
         target: "{{ http_boot_folder }}(/.*)?"

playbooks/roles/bifrost-ironic-install/tasks/create_tftpboot.yml

@@ -24,7 +24,12 @@
     - "{{ http_boot_folder }}/pxelinux.cfg"
 
 - name: "Place tftpd map-file"
-  copy: src=tftpboot-map-file dest=/tftpboot/map-file owner=ironic group=ironic
+  copy:
+    src: tftpboot-map-file
+    dest: /tftpboot/map-file
+    owner: ironic
+    group: ironic
+    mode: 0644
 
 - name: "Disable service {{ tftp_service_name }}"
   service: name="{{ tftp_service_name }}" state=stopped enabled=no

releasenotes/notes/tftp-context-6f918743ba9052b0.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Adds correct SELinux context for ``/tftpboot``.