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-rw-r--r--library/Director/Deployment/ConditionalConfigRenderer.php64
1 files changed, 64 insertions, 0 deletions
diff --git a/library/Director/Deployment/ConditionalConfigRenderer.php b/library/Director/Deployment/ConditionalConfigRenderer.php
new file mode 100644
index 0000000..0b24418
--- /dev/null
+++ b/library/Director/Deployment/ConditionalConfigRenderer.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Icinga\Module\Director\Deployment;
+
+use Icinga\Exception\NotFoundError;
+use Icinga\Module\Director\Db;
+use Icinga\Module\Director\IcingaConfig\IcingaConfig;
+use Icinga\Module\Director\Objects\DirectorActivityLog;
+
+class ConditionalConfigRenderer
+{
+ /** @var Db */
+ protected $db;
+
+ protected $forceRendering = false;
+
+ public function __construct(Db $connection)
+ {
+ $this->db = $connection;
+ }
+
+ public function forceRendering($force = true)
+ {
+ $this->forceRendering = $force;
+
+ return $this;
+ }
+
+ public function getConfig()
+ {
+ if ($this->shouldGenerate()) {
+ return IcingaConfig::generate($this->db);
+ }
+
+ return $this->loadLatestActivityConfig();
+ }
+
+ protected function loadLatestActivityConfig()
+ {
+ $db = $this->db;
+
+ return IcingaConfig::loadByActivityChecksum($db->getLastActivityChecksum(), $db);
+ }
+
+ protected function shouldGenerate()
+ {
+ return $this->forceRendering || !$this->configForLatestActivityExists();
+ }
+
+ protected function configForLatestActivityExists()
+ {
+ $db = $this->db;
+ try {
+ $latestActivity = DirectorActivityLog::loadLatest($db);
+ } catch (NotFoundError $e) {
+ return false;
+ }
+
+ return IcingaConfig::existsForActivityChecksum(
+ bin2hex($latestActivity->get('checksum')),
+ $db
+ );
+ }
+}