From cead6de02810f62af1f679363843bb3444f11425 Mon Sep 17 00:00:00 2001
From: Paul Wise <pabs@debian.org>
Date: Fri, 31 May 2019 11:52:21 +0800
Subject: [PATCH] Store the list of installed packages into a puppet fact

---
 modules/debian_org/files/apt.conf.d/local-pkglist | 6 ++++++
 modules/debian_org/lib/facter/pkglist.rb          | 9 +++++++++
 modules/debian_org/manifests/apt.pp               | 8 ++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 modules/debian_org/files/apt.conf.d/local-pkglist
 create mode 100644 modules/debian_org/lib/facter/pkglist.rb

diff --git a/modules/debian_org/files/apt.conf.d/local-pkglist b/modules/debian_org/files/apt.conf.d/local-pkglist
new file mode 100644
index 000000000..4cf907c99
--- /dev/null
+++ b/modules/debian_org/files/apt.conf.d/local-pkglist
@@ -0,0 +1,6 @@
+//
+// THIS FILE IS UNDER PUPPET CONTROL. DON'T EDIT IT HERE.
+// USE: git clone git+ssh://$USER@puppet.debian.org/srv/puppet.debian.org/git/dsa-puppet.git
+//
+
+DPkg::Post-Invoke { "cd /var/lib/misc/thishost/ ; dpkg-query -W -f '${Package}\n' > pkglist.tmp ; mv pkglist.tmp pkglist"; };
diff --git a/modules/debian_org/lib/facter/pkglist.rb b/modules/debian_org/lib/facter/pkglist.rb
new file mode 100644
index 000000000..2609d4073
--- /dev/null
+++ b/modules/debian_org/lib/facter/pkglist.rb
@@ -0,0 +1,9 @@
+pkglist = '/var/lib/misc/thishost/pkglist'
+
+if FileTest.exist?(pkglist)
+	Facter.add('pkglist') do
+		setcode do
+			open(pkglist).read().split("\n").join(' ')
+		end
+	end
+end
diff --git a/modules/debian_org/manifests/apt.pp b/modules/debian_org/manifests/apt.pp
index 62feca2f4..d52005f80 100644
--- a/modules/debian_org/manifests/apt.pp
+++ b/modules/debian_org/manifests/apt.pp
@@ -132,6 +132,14 @@ class debian_org::apt {
 	file { '/etc/apt/apt.conf.d/local-cainfo':
 		source => 'puppet:///modules/debian_org/apt.conf.d/local-cainfo',
 	}
+	file { '/etc/apt/apt.conf.d/local-pkglist':
+		source => 'puppet:///modules/debian_org/apt.conf.d/local-pkglist',
+	}
+
+	exec { 'dpkg list':
+		command => 'dpkg-query -W -f \'${Package}\n\' > /var/lib/misc/thishost/pkglist',
+		creates => '/var/lib/misc/thishost/pkglist',
+	}
 
 	exec { 'apt-get update':
 		path    => '/usr/bin:/usr/sbin:/bin:/sbin',
-- 
2.20.1