Expose resource creation timestamp

Author: Krymonota

src/Kinds/K8sResource.php

@@ -12,6 +12,7 @@
 use RenokiCo\PhpK8s\KubernetesCluster;
 use RenokiCo\PhpK8s\Traits\Resource\HasAnnotations;
 use RenokiCo\PhpK8s\Traits\Resource\HasAttributes;
+use RenokiCo\PhpK8s\Traits\Resource\HasCreationTimestamp;
 use RenokiCo\PhpK8s\Traits\Resource\HasEvents;
 use RenokiCo\PhpK8s\Traits\Resource\HasKind;
 use RenokiCo\PhpK8s\Traits\Resource\HasLabels;
@@ -29,6 +30,7 @@ class K8sResource implements Arrayable, Jsonable
     use HasLabels;
     use HasName;
     use HasNamespace;
+    use HasCreationTimestamp;
     use HasVersion;
     use RunsClusterOperations;
 

src/Traits/Resource/HasCreationTimestamp.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace RenokiCo\PhpK8s\Traits\Resource;
+
+trait HasCreationTimestamp
+{
+    use HasAttributes;
+
+    public function getCreationTimestamp(): \DateTimeImmutable
+    {
+        $timestamp = $this->getAttribute('metadata.creationTimestamp');
+
+        if ($timestamp === null) {
+            throw new \InvalidArgumentException('Creation timestamp is missing.');
+        }
+
+        $dateTime = \DateTimeImmutable::createFromFormat(\DateTimeInterface::ATOM, $timestamp);
+
+        if ($dateTime === false) {
+            throw new \RuntimeException('Invalid creation timestamp format.');
+        }
+
+        return $dateTime;
+    }
+}

tests/ClusterRoleBindingTest.php

@@ -121,6 +121,10 @@ public function runCreationTests()
         $this->assertEquals(['tier' => 'backend'], $crb->getLabels());
         $this->assertEquals([$subject], $crb->getSubjects());
         $this->assertEquals(['apiGroup' => 'rbac.authorization.k8s.io', 'kind' => 'ClusterRole', 'name' => 'admin-cr-for-binding'], $crb->getRole());
+        $this->assertTrue(
+            $crb->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
     }
 
     public function runGetAllTests()

tests/ClusterRoleTest.php

@@ -82,6 +82,10 @@ public function runCreationTests()
         $this->assertEquals('admin-cr', $cr->getName());
         $this->assertEquals(['tier' => 'backend'], $cr->getLabels());
         $this->assertEquals([$rule], $cr->getRules());
+        $this->assertTrue(
+            $cr->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
     }
 
     public function runGetAllTests()

tests/ConfigMapTest.php

@@ -90,6 +90,10 @@ public function runCreationTests()
         $this->assertEquals(['tier' => 'backend'], $cm->getLabels());
         $this->assertEquals(['key2' => 'val2'], $cm->getData());
         $this->assertEquals('val2', $cm->getData('key2'));
+        $this->assertTrue(
+            $cm->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
     }
 
     public function runGetAllTests()

tests/CronJobTest.php

@@ -127,6 +127,10 @@ public function runCreationTests()
         $this->assertEquals(['tier' => 'useless'], $cronjob->getLabels());
         $this->assertEquals(['perl/annotation' => 'no'], $cronjob->getAnnotations());
         $this->assertEquals('Never', $pod->getRestartPolicy());
+        $this->assertTrue(
+            $cronjob->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
 
         $this->assertInstanceOf(K8sJob::class, $cronjob->getJobTemplate());
         $this->assertInstanceOf(CronExpression::class, $cronjob->getSchedule());

tests/DaemonSetTest.php

@@ -112,6 +112,10 @@ public function runCreationTests()
         $this->assertEquals(['tier' => 'backend'], $ds->getLabels());
         $this->assertEquals(0, $ds->getMinReadySeconds());
         $this->assertEquals($pod->getName(), $ds->getTemplate()->getName());
+        $this->assertTrue(
+            $ds->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
 
         $this->assertInstanceOf(K8sPod::class, $ds->getTemplate());
 

tests/DeploymentTest.php

@@ -122,6 +122,10 @@ public function runCreationTests()
         $this->assertEquals(1, $dep->getReplicas());
         $this->assertEquals(0, $dep->getMinReadySeconds());
         $this->assertEquals($pod->getName(), $dep->getTemplate()->getName());
+        $this->assertTrue(
+            $dep->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
 
         $this->assertInstanceOf(K8sPod::class, $dep->getTemplate());
 

tests/EventTest.php

@@ -69,6 +69,10 @@ public function runCreationTests()
 
         $this->assertInstanceOf(K8sEvent::class, $matchedEvent);
         $this->assertTrue($matchedEvent->is($event));
+        $this->assertTrue(
+            $event->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
     }
 
     public function runGetAllTests()

tests/HorizontalPodAutoscalerTest.php

@@ -147,6 +147,10 @@ public function runCreationTests()
         $this->assertEquals([$cpuMetric->toArray()], $hpa->getMetrics());
         $this->assertEquals(1, $hpa->getMinReplicas());
         $this->assertEquals(10, $hpa->getMaxReplicas());
+        $this->assertTrue(
+            $hpa->getCreationTimestamp()->getTimestamp() > (time() - 60),
+            'Creation timestamp is not within the last minute.'
+        );
 
         while (! $dep->allPodsAreRunning()) {
             dump("Waiting for pods of {$dep->getName()} to be up and running...");