Add script for email announcements

files/email-template.txt

@@ -0,0 +1,4 @@
+subject:email to all users
+from:info@your-instance.com
+
+this is a test email.

files/send-email-to-users.bash

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+echo -e "This will send an email to all users, based on the template in $(pwd)/email-template.txt. Content:\n\n"
+cat email-template.txt
+echo -e "\n\n"
+
+read -p "Send test email (y/N)? " SEND_EMAIL
+case "$SEND_EMAIL" in
+  [yY]* ) ;;
+  [nN]* ) exit;;
+  * ) exit;;
+esac
+
+EMAIL_LIST=$(mktemp)
+echo $EMAIL_LIST
+docker-compose exec -T -u postgres postgres psql -U peertube -d peertube -c "SELECT email FROM public.user WHERE NOT blocked" -t > $EMAIL_LIST
+echo "Sending email to $(wc -l $EMAIL_LIST | cut -d' ' -f1) users"
+
+cat $EMAIL_LIST | while read EMAIL
+do
+    echo "sending to $EMAIL"
+    cat email-template.txt | \
+        docker exec -i "$(docker-compose ps -q postfix)" sendmail -t "$EMAIL"
+done
+
+rm $EMAIL_LIST

peertube.yml

@@ -25,11 +25,13 @@
       - { path: '/peertube/volumes/certbot/' }
       - { path: '/peertube/volumes/config/' }
 
-  - name: copy docker config
-    copy: src={{item.src}} dest={{item.dest}} mode='0644'
+  - name: copy files
+    copy: src={{item.src}} dest={{item.dest}} mode={{item.mode}} force={{item.force}}
     with_items:
-      - { src: 'files/docker-daemon.json', dest: '/etc/docker/daemon.json' }
-      - { src: 'files/local-production.json', dest: '/peertube/volumes/config/local-production.json' }
+      - { src: 'files/docker-daemon.json', dest: '/etc/docker/daemon.json', mode: '0644', force: 'yes' }
+      - { src: 'files/local-production.json', dest: '/peertube/volumes/config/local-production.json', mode: '0644', force: 'yes' }
+      - { src: 'files/send-email-to-users.bash', dest: '/peertube/send-email-to-users.bash', mode: '755', force: 'yes' }
+      - { src: 'files/email-template.txt', dest: '/peertube/email-template.txt', mode: '0644', force: 'no' }
 
   - name: get latest peertube version from github
     uri: