propellor spin

Propellor/Property/Postfix.hs

@@ -0,0 +1,26 @@
+module Propellor.Property.Postfix where
+
+import Propellor
+import qualified Propellor.Property.Apt as Apt
+import Propellor.Property.User
+import Utility.SafeCommand
+import Utility.FileMode
+
+import System.PosixCompat
+
+installed :: Property
+installed = Apt.serviceInstalledRunning "postfix"
+
+-- | Configures postfix as a satellite system, which 
+-- relats all mail through a relay host, which defaults to smtp.domain. 
+--
+-- The smarthost may refuse to relay mail on to other domains, without
+-- futher coniguration/keys. But this should be enough to get cron job
+-- mail flowing to a place where it will be seen.
+satellite :: Property
+satellite = Apt.reConfigure "postfix"
+	[ ("postfix/main_mailer_type", "select", "Satellite system")
+	, ("postfix/destinations", "string", "")
+	]
+	`describe` "postfix satellite system"
+	`requires` installed

config-joey.hs

@@ -18,6 +18,7 @@ import qualified Propellor.Property.OpenId as OpenId
 import qualified Propellor.Property.Docker as Docker
 import qualified Propellor.Property.Git as Git
 import qualified Propellor.Property.Apache as Apache
+import qualified Propellor.Property.Postfix as Postfix
 import qualified Propellor.Property.SiteSpecific.GitHome as GitHome
 import qualified Propellor.Property.SiteSpecific.GitAnnexBuilder as GitAnnexBuilder
 import qualified Propellor.Property.SiteSpecific.JoeySites as JoeySites
@@ -40,7 +41,9 @@ hosts =               --                  (o)  `
 		& Apt.unattendedUpgrades
 		& Network.ipv6to4
 		& Tor.isBridge
+		& Postfix.satellite
 		& Docker.configured
+
 		& cname "shell.olduse.net"
 		& JoeySites.oldUseNetShellBox
 
@@ -62,6 +65,7 @@ hosts =               --                  (o)  `
 	, standardSystem "orca.kitenet.net" Unstable "amd64"
 		& Hostname.sane
 		& Apt.unattendedUpgrades
+		& Postfix.satellite
 		& Docker.configured
 		& Docker.docked hosts "amd64-git-annex-builder"
 		& Docker.docked hosts "i386-git-annex-builder"
@@ -79,8 +83,7 @@ hosts =               --                  (o)  `
 		& Apt.unattendedUpgrades
 		& Apt.serviceInstalledRunning "ntp"
 		& Dns.zones myDnsSecondary
-
-		& Apt.serviceInstalledRunning "postfix"
+		& Postfix.satellite
 	
 		& Apt.serviceInstalledRunning "apache2"
 		& File.hasPrivContent "/etc/ssl/certs/web.pem"

propellor.cabal

@@ -81,6 +81,7 @@ Library
     Propellor.Property.Network
     Propellor.Property.Obnam
     Propellor.Property.OpenId
+    Propellor.Property.Postfix
     Propellor.Property.Reboot
     Propellor.Property.Scheduled
     Propellor.Property.Service