From 85eecfe470274e746df7d776f357fdba2c5de44f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Tue, 13 Jul 2021 19:26:14 +0200
Subject: Add way to manage pacman hooks.

---
 modules/pacman/manifests/hook.pp | 68 ++++++++++++++++++++++++++++++++++++++++
 modules/pacman/manifests/init.pp | 20 ++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 modules/pacman/manifests/hook.pp
 create mode 100644 modules/pacman/manifests/init.pp

(limited to 'modules/pacman/manifests')

diff --git a/modules/pacman/manifests/hook.pp b/modules/pacman/manifests/hook.pp
new file mode 100644
index 0000000..940ae5f
--- /dev/null
+++ b/modules/pacman/manifests/hook.pp
@@ -0,0 +1,68 @@
+
+type Pacman::Operation = Enum['Install', 'Upgrade', 'Remove']
+# type Variant[Type, Array[Type, 1]] = Variant[Type, Array[Type, 1]]
+
+type Pacman::Trigger = Struct[{
+  type      => Enum['Path', 'Package'],
+  operation => Variant[Pacman::Operation, Array[Pacman::Operation, 1]],
+  target    => Variant[String, Array[String, 1]],
+}]
+
+define pacman::hook (
+  Integer $priority = 50,
+  Optional[String] $description = undef,
+  Enum['PreTransation', 'PostTransaction'] $when,
+  String $exec,
+  Optional[Variant[String, Array[String, 1]]] $depends = undef,
+  Boolean $abortOnFail = false, # only for PreTransation
+  Boolean $needsTargets = false,
+  Variant[Pacman::Trigger, Array[Pacman::Trigger, 1]] $trigger,
+) {
+
+  require ::pacman
+
+  if ($abortOnFail and $when != 'PreTransation') {
+    fail('abortOnFail only valid when "when" => "PreTransation"')
+  }
+
+  $triggers = $trigger ? {
+    Array => $trigger,
+    default  => [$trigger],
+  }
+
+  $str = epp('pacman/hook.epp', {
+    description => $description,
+    depends => $depends ? {
+      Optional => [],
+      Array    => $depends,
+      default  => [$depends],
+    },
+    triggers => $triggers.map |$trigger| {
+      {
+        type      => $trigger['type'],
+        operation => $trigger['operation'] ? {
+          Array   => $trigger['operation'],
+          default => [$trigger['operation']],
+        },
+        target => $trigger['target'] ? {
+          Array   => $trigger['target'],
+          default => [$trigger['target']],
+        }
+      }
+    },
+    exec         => $exec,
+    when         => $when,
+    abortOnFail  => $abortOnFail,
+    needsTargets => $needsTargets,
+  })
+
+  $chksum = $str.md5()
+
+  file { $chksum:
+    ensure         => 'present',
+    content        => $str,
+    path           => "${pacman::hooks_path}/${priority}-${name}.hook",
+    checksum       => 'md5',
+    checksum_value => $chksum,
+  }
+}
diff --git a/modules/pacman/manifests/init.pp b/modules/pacman/manifests/init.pp
new file mode 100644
index 0000000..eadc1c2
--- /dev/null
+++ b/modules/pacman/manifests/init.pp
@@ -0,0 +1,20 @@
+class pacman (
+  String $hooks_path = '/etc/pacman.d/hooks-puppet',
+  String $conf_path = '/etc/pacman.conf',
+) {
+
+  # TODO ability to set multiple settings
+  ini_setting { 'Pacman HookDir':
+    path    => $conf_path,
+    section => 'options',
+    setting => 'HookDir',
+    value   => $hooks_path,
+
+  }
+
+  file { $hooks_path:
+    ensure  => directory,
+    recurse => true,
+    purge   => true,
+  }
+}
-- 
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