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authorGuilhem Moulin <guilhem@fripost.org>2016-12-10 17:40:49 +0100
committerGuilhem Moulin <guilhem@fripost.org>2016-12-10 17:40:49 +0100
commit1038fa3d50bda90377117559a9f685e2e7389d8f (patch)
tree251f096f33c61c5d2a241dbc0f36ab757c114d0c /roles/IMAP
parent7a66e096695a25427311204022bc521da08c48d9 (diff)
dovecot: use Single-Instance Storage for mail attachments.
Diffstat (limited to 'roles/IMAP')
-rw-r--r--roles/IMAP/files/etc/cron.d/doveadm3
-rw-r--r--roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf6
-rw-r--r--roles/IMAP/tasks/imap.yml20
3 files changed, 18 insertions, 11 deletions
diff --git a/roles/IMAP/files/etc/cron.d/doveadm b/roles/IMAP/files/etc/cron.d/doveadm
new file mode 100644
index 0000000..1f1f139
--- /dev/null
+++ b/roles/IMAP/files/etc/cron.d/doveadm
@@ -0,0 +1,3 @@
+MAILTO=root
+
+7 5 * * * vmail test -x /usr/bin/doveadm && nice -n 19 /usr/bin/doveadm sis deduplicate /home/mail/attachments /home/mail/attachments/queue
diff --git a/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf b/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf
index ab5ceef..2e68df4 100644
--- a/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf
+++ b/roles/IMAP/files/etc/dovecot/conf.d/10-mail.conf
@@ -362,7 +362,7 @@ mdbox_preallocate_space = yes
# this for now.
# Directory root where to store mail attachments. Disabled, if empty.
-#mail_attachment_dir =
+mail_attachment_dir = /home/mail/attachments
# Attachments smaller than this aren't saved externally. It's also possible to
# write a plugin to disable saving specific attachments externally.
@@ -372,9 +372,9 @@ mdbox_preallocate_space = yes
# posix : No SiS done by Dovecot (but this might help FS's own deduplication)
# sis posix : SiS with immediate byte-by-byte comparison during saving
# sis-queue posix : SiS with delayed comparison and deduplication
-#mail_attachment_fs = sis posix
+mail_attachment_fs = sis-queue /home/mail/attachments/queue:posix
# Hash format to use in attachment filenames. You can add any text and
# variables: %{md4}, %{md5}, %{sha1}, %{sha256}, %{sha512}, %{size}.
# Variables can be truncated, e.g. %{sha256:80} returns only first 80 bits
-#mail_attachment_hash = %{sha1}
+mail_attachment_hash = %{sha256}
diff --git a/roles/IMAP/tasks/imap.yml b/roles/IMAP/tasks/imap.yml
index 51e7694..f4a23e4 100644
--- a/roles/IMAP/tasks/imap.yml
+++ b/roles/IMAP/tasks/imap.yml
@@ -36,11 +36,21 @@
owner=root group=root
mode=0755
-- name: Create /home/mail/virtual
- file: path=/home/mail/virtual
+- name: Create /home/mail/{virtual,attachments,spamspool}
+ file: path=/home/mail/{{ item }}
state=directory
owner=vmail group=vmail
mode=0700
+ with_items:
+ - virtual
+ - attachments
+ - spamspool
+
+- name: Create a cronjob for SIS deduplication
+ copy: src=etc/cron.d/doveadm
+ dest=/etc/cron.d/doveadm
+ owner=root group=root
+ mode=0644
- name: Create virtual mailbox directories
file: path=/etc/dovecot/virtual/{{ item }}
@@ -64,12 +74,6 @@
- recent
- unseen
-- name: Create directory /home/mail/spamspool
- file: path=/home/mail/spamspool
- state=directory
- owner=vmail group=vmail
- mode=0700
-
- name: Create directory /etc/dovecot/ssl
file: path=/etc/dovecot/ssl
state=directory