Slower, but more reliable way to build hosts on first run

tasks/main.yml

@@ -57,9 +57,14 @@
 - lineinfile: dest="/etc/tinc/nets.boot" line="{{ tinc_netname }}" state=present
   notify: restart_tinc
 
+# The facts aren't available on first run, so copy over all the ip addresses
+- file: path=/etc/tinc/{{ tinc_netname }}/tmp state=directory mode=0755 recurse=true
+- copy: src="{{ tinc_tmpdir}}/{{ tinc_netname }}/ip/" dest="/etc/tinc/{{ tinc_netname }}/tmp"
+
 - name: "Build hosts file"
-  lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ hostvars[item]['ansible_' + tinc_netname]['ipv4']['address'] }} {{ hostvars[item]['ansible_hostname']}}.{{ tinc_netname }}" state=present
-  with_items: play_hosts
+  lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ lookup('file', item) }} {{ item | basename }}.{{ tinc_netname }}" state=present
+  with_fileglob:
+    - "/etc/tinc/{{ tinc_netname }}/tmp/*"
   tags: hostsfile
 
 - file: dest="{{ tinc_tmpdir }}/{{ tinc_netname }}" state=absent