media, wiki-publish, caption updates

* common-playbook.yml: Start moving publishing setup to res
* group_vars/all.yml: New common variables.
* inventory.yml (prod): Number of threads, new hosts
* roles/caption/templates/process-captions.py: Add mp4, try to figure
out why script was failing, simplify
* roles/media/tasks/main.yml: New role for setting up
media.emacsconf.org for this year
* roles/prerec/templates/reencode.sh: Keep a copy of zaeph's script
* roles/stream/defaults/main.yml: Add more variables
* roles/stream: Restreaming lowres
* roles/wiki-publish/tasks/emacs.yml: Build Emacs from source

1 files changed, 29 insertions, 0 deletions

diff --git a/roles/stream/templates/on-disconnect b/roles/stream/templates/on-disconnect
new file mode 100755
index 0000000..5847356
--- /dev/null
+++ b/roles/stream/templates/on-disconnect
@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
+PIDFILE="{{ icecast_restream_dir }}/{{ emacsconf_id }}-lowres-{{ item.id }}.pid"
+echo $(date) " on disconnect {{ item.id }} $*" >> {{ icecast_restream_dir }}/restream.log
+
+. /lib/lsb/init-functions
+
+#We need this function to ensure the whole process tree will be killed
+killtree() {
+    local _pid=$1
+    local _sig=${2-TERM}
+    for _child in $(ps -o pid --no-headers --ppid ${_pid}); do
+        killtree ${_child} ${_sig}
+    done
+    kill -${_sig} ${_pid}
+}
+
+stop() {
+  echo "Stopping $DESC... "
+  if test -f $PIDFILE; then
+    while test -d /proc/$(cat $PIDFILE); do
+      killtree $(cat $PIDFILE) 15
+      sleep 0.5
+    done
+    rm $PIDFILE
+  fi
+  echo "done"
+}