irc: update inspircd config for v4

roles/irc/tasks/main.yml

@@ -31,6 +31,11 @@
     - motd.txt
     - rules.txt
 
+- name: Generate dhparams
+  command: openssh dhparams -out /etc/inspircd/dhparams 2048
+  args:
+    creates: /etc/inspircd/dhparams
+
 # Install anope configuration.
 
 - file:

roles/irc/templates/inspircd/modules.conf

@@ -56,10 +56,11 @@
 <module name="m_services_account.so">
 <module name="m_sethost.so">
 <module name="m_sslmodes.so">
+<module name="m_sslrehashsignal.so">
 
 # TLS configuration
 <module name="m_ssl_gnutls.so">
-<gnutls certfile="/etc/credentials/public/irc.autistici.org/fullchain.pem"
+<sslprofile certfile="/etc/credentials/public/irc.autistici.org/fullchain.pem"
         keyfile="/etc/credentials/public/irc.autistici.org/privkey.pem"
         hash="sha1" priority="NORMAL:-MD5"
         dhfile="/etc/inspircd/dhparams"