put mail data on a persistent volume

2 files changed, 28 insertions, 5 deletions

diff --git a/mail/mail/manifests/mailu.pp b/mail/mail/manifests/mailu.pp
index d7b4eec..b80e675 100644
--- a/mail/mail/manifests/mailu.pp
+++ b/mail/mail/manifests/mailu.pp
@@ -1,20 +1,19 @@
 class mail::mailu {
+  include mail::persistent
   include docker
 
   file {
-    "/mailu":
-      ensure => directory;
     "/mailu/docker-compose.yml":
       source => "puppet:///modules/mail/docker-compose.yml",
-      require => File["/mailu"];
+      require => Class["mail::persistent"];
     "/mailu/.env.tmpl":
       source => "puppet:///modules/mail/env",
-      require => File["/mailu"];
+      require => Class["mail::persistent"];
   }
 
   secret { "/mailu/secret-key":
     source => "mailu-secret-key",
-    require => File["/mailu"];
+    require => Class["mail::persistent"];
   }
 
   exec { "create env file":
diff --git a/mail/mail/manifests/persistent.pp b/mail/mail/manifests/persistent.pp
new file mode 100644
index 0000000..db6adea
--- /dev/null
+++ b/mail/mail/manifests/persistent.pp
@@ -0,0 +1,24 @@
+class mail::persistent {
+  file {
+    "/mailu":
+      ensure => directory;
+  }
+
+  $fstab_line = "/dev/disk/by-id/scsi-0DO_Volume_mail-persistent /mailu ext4 rw,relatime 0 2"
+  exec { "populate fstab":
+    provider => shell,
+    command => "echo '${fstab_line}' >> /etc/fstab",
+    unless => "/usr/bin/grep -qF '${fstab_line}' /etc/fstab",
+    require => File["/mailu"];
+  }
+
+  exec { "mount /mailu":
+    provider => shell,
+    command => "/usr/bin/mount /mailu",
+    unless => "grep ' /mailu ' /proc/mounts",
+    require => [
+      File["/mailu"],
+      Exec["populate fstab"],
+    ];
+  }
+}