mirror of
https://github.com/stakater/Reloader.git
synced 2026-08-20 20:46:30 +00:00
106 lines
4.3 KiB
Go
106 lines
4.3 KiB
Go
package advanced
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import (
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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"github.com/stakater/Reloader/test/e2e/utils"
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)
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var _ = Describe("Multi-Container Tests", Serial, func() {
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var (
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deploymentName string
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configMapName string
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configMapName2 string
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adapter *utils.DeploymentAdapter
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)
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BeforeEach(func() {
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deploymentName = utils.RandName("deploy")
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configMapName = utils.RandName("cm")
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configMapName2 = utils.RandName("cm2")
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adapter = utils.NewDeploymentAdapter(kubeClient)
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})
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AfterEach(func() {
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_ = utils.DeleteDeployment(ctx, kubeClient, testNamespace, deploymentName)
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_ = utils.DeleteConfigMap(ctx, kubeClient, testNamespace, configMapName)
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_ = utils.DeleteConfigMap(ctx, kubeClient, testNamespace, configMapName2)
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})
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Context("Multiple containers same ConfigMap", func() {
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It("should reload when ConfigMap used by multiple containers changes", func() {
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By("Creating a ConfigMap")
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_, err := utils.CreateConfigMap(ctx, kubeClient, testNamespace, configMapName,
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map[string]string{"shared-key": "initial"}, nil)
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Expect(err).NotTo(HaveOccurred())
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By("Creating a Deployment with multiple containers using the same ConfigMap")
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_, err = utils.CreateDeployment(ctx, kubeClient, testNamespace, deploymentName,
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utils.WithMultipleContainers(2),
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utils.WithConfigMapEnvFrom(configMapName),
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utils.WithAnnotations(utils.BuildAutoTrueAnnotation()),
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)
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Expect(err).NotTo(HaveOccurred())
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By("Waiting for Deployment to be ready")
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err = adapter.WaitReady(ctx, testNamespace, deploymentName, utils.WorkloadReadyTimeout)
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Expect(err).NotTo(HaveOccurred())
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// Capture the reload-annotation baseline before the trigger to avoid the
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// TOCTOU race where Reloader reloads before WaitReloaded records its baseline.
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priorReload, err := adapter.GetPodTemplateAnnotation(ctx, testNamespace, deploymentName, utils.AnnotationLastReloadedFrom)
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Expect(err).NotTo(HaveOccurred())
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By("Updating the ConfigMap")
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err = utils.UpdateConfigMap(ctx, kubeClient, testNamespace, configMapName, map[string]string{"shared-key": "updated"})
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Expect(err).NotTo(HaveOccurred())
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By("Waiting for Deployment to be reloaded")
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reloaded, err := adapter.WaitReloadedFrom(ctx, testNamespace, deploymentName,
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utils.AnnotationLastReloadedFrom, priorReload, utils.ReloadTimeout)
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Expect(err).NotTo(HaveOccurred())
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Expect(reloaded).To(BeTrue(), "Deployment with multiple containers should be reloaded")
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})
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})
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Context("Multiple containers different ConfigMaps", func() {
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It("should reload when any container's ConfigMap changes", func() {
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By("Creating two ConfigMaps")
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_, err := utils.CreateConfigMap(ctx, kubeClient, testNamespace, configMapName,
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map[string]string{"key1": "initial1"}, nil)
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Expect(err).NotTo(HaveOccurred())
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_, err = utils.CreateConfigMap(ctx, kubeClient, testNamespace, configMapName2,
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map[string]string{"key2": "initial2"}, nil)
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Expect(err).NotTo(HaveOccurred())
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By("Creating a Deployment with multiple containers using different ConfigMaps")
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_, err = utils.CreateDeployment(ctx, kubeClient, testNamespace, deploymentName,
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utils.WithMultipleContainersAndEnv(configMapName, configMapName2),
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utils.WithAnnotations(utils.BuildAutoTrueAnnotation()),
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)
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Expect(err).NotTo(HaveOccurred())
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By("Waiting for Deployment to be ready")
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err = adapter.WaitReady(ctx, testNamespace, deploymentName, utils.WorkloadReadyTimeout)
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Expect(err).NotTo(HaveOccurred())
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// Capture the reload-annotation baseline before the trigger to avoid the
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// TOCTOU race where Reloader reloads before WaitReloaded records its baseline.
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priorReload, err := adapter.GetPodTemplateAnnotation(ctx, testNamespace, deploymentName, utils.AnnotationLastReloadedFrom)
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Expect(err).NotTo(HaveOccurred())
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By("Updating the first ConfigMap")
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err = utils.UpdateConfigMap(ctx, kubeClient, testNamespace, configMapName, map[string]string{"key1": "updated1"})
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Expect(err).NotTo(HaveOccurred())
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By("Waiting for Deployment to be reloaded")
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reloaded, err := adapter.WaitReloadedFrom(ctx, testNamespace, deploymentName,
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utils.AnnotationLastReloadedFrom, priorReload, utils.ReloadTimeout)
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Expect(err).NotTo(HaveOccurred())
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Expect(reloaded).To(BeTrue(), "Deployment should be reloaded when first container's ConfigMap changes")
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})
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})
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})
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