#2 Fix mysql backup in apps and update alerta command

templates/app.yaml

@@ -36,10 +36,12 @@ hooks:
           port: 3306
           username: '{{ application_id }}'
           password: '{{ application_id }}'
-          options: '--skip-comments'
+          options: '--skip-comments --no-tablespaces'
     before_backup:
         - echo "`date` - Starting backup"
     after_backup:
         - echo "`date` - Finished backup"
+{% if alerta_apikey is defined %}
     on_error:
-        - /usr/local/bin/alertalerta.py{% if netdata_alerta_project_id is defined %} --pid={{ netdata_alerta_project_id }}{% endif %} {{ inventory_hostname }} {{ netdata_alerta_environment|default("production") }} {{ netdata_alerta_webhook }} {{ netdata_alerta_apikey }} '{"service":["https://www.borgbase.com"],"resource":"{{ inventory_hostname }}","event":"Borg {configuration_filename}","value":"{{ application }} {{ application_id }} {repository}","text":"Borg {configuration_filename}","rawData":"{output}"}'
+        - echo -n '{"service":["https://www.borgbase.com"],"resource":"{{ inventory_hostname }}","event":"Borg {configuration_filename}","value":"{{ application }} {{ application_id }} {repository}","text":"Borg {configuration_filename}","rawData":"{output}"}' | nc -u -w1 alerta {{ alerta_proxy_port|default(20002) }}
+{% endif %}