deploy: Modify dir for filebased email_backend

Allow user to modify the directory that will
be used for the filebased email backend by Django.

Also move the EMAIL_BACKEND option from astakos to
common.

ci/schemas/one_node_squeeze/deploy.conf

@@ -25,6 +25,8 @@ dns = /var/lib/snf-deploy/dnsmasq
 lib = /usr/lib/snf-deploy
 # dir to store executed commands (to enforce sequential execution)
 cmd = /var/run/snf-deploy/cmd
+# dir to be used by Django for file-based mail backend
+mail_dir = /var/log/gunicorn/synnefo-mails
 
 [keys]
 # whether to create new keys

ci/schemas/one_node_wheezy/deploy.conf

@@ -25,6 +25,8 @@ dns = /var/lib/snf-deploy/dnsmasq
 lib = /usr/lib/snf-deploy
 # dir to store executed commands (to enforce sequential execution)
 cmd = /var/run/snf-deploy/cmd
+# dir to be used by Django for file-based mail backend
+mail_dir = /var/log/gunicorn/synnefo-mails
 
 [keys]
 # whether to create new keys

snf-deploy/conf/deploy.conf

@@ -25,6 +25,8 @@ dns = /var/lib/snf-deploy/dnsmasq
 lib = /usr/lib/snf-deploy
 # dir to store executed commands (to enforce sequential execution)
 cmd = /var/run/snf-deploy/cmd
+# dir to be used by Django for file-based mail backend
+mail_dir = /var/log/gunicorn/synnefo-mails
 
 [keys]
 # whether to create new keys

snf-deploy/fabfile.py

@@ -518,9 +518,11 @@ def setup_common():
         "EMAIL_SUBJECT_PREFIX": env.host,
         "domain": env.env.domain,
         "HOST": host_info.fqdn,
+        "MAIL_DIR": env.env.mail_dir,
     }
     custom = customize_settings_from_tmpl(tmpl, replace)
     put(custom, tmpl, mode=0644)
+    try_run("mkdir -p {0}; chown root:www-data {0}; chmod 775 {0}".format(env.env.mail_dir))
     try_run("/etc/init.d/gunicorn restart")
 
 @roles("accounts")

snf-deploy/files/etc/synnefo/astakos.conf

@@ -34,9 +34,6 @@ ASTAKOS_PASSWORD_RESET_EMAIL_SUBJECT = 'Password reset on %s' % ASTAKOS_SITENAME
 
 ASTAKOS_COOKIE_DOMAIN = '%DOMAIN%'
 
-EMAIL_BACKEND = 'django.core.mail.backends.filebased.EmailBackend'
-EMAIL_FILE_PATH = '/var/log/gunicorn/synnefo-mails'
-
 ASTAKOS_SERVICES = {
     'cyclades': {
         'url': 'https://%CYCLADES%/ui/',

snf-deploy/files/etc/synnefo/common.conf

@@ -7,3 +7,5 @@ DEFAULT_FROM_EMAIL = "feedback@%DOMAIN%"
 
 SERVER_EMAIL = "root@%HOST%"
 
+EMAIL_BACKEND = 'django.core.mail.backends.filebased.EmailBackend'
+EMAIL_FILE_PATH = "%MAIL_DIR%"