Merge 4632011ea4 into 6d0aeec367

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

go.mod

@@ -16,10 +16,10 @@ require (
 	github.com/spf13/viper v1.21.0
 	google.golang.org/grpc v1.82.1
 	gopkg.in/yaml.v3 v3.0.1
-	k8s.io/api v0.36.2
+	k8s.io/api v0.36.3
-	k8s.io/apiextensions-apiserver v0.36.2
+	k8s.io/apiextensions-apiserver v0.36.3
-	k8s.io/apimachinery v0.36.2
+	k8s.io/apimachinery v0.36.3
-	k8s.io/client-go v0.36.2
+	k8s.io/client-go v0.36.3
 	k8s.io/utils v0.0.0-20260707023825-cf1189d6abe3
 	sigs.k8s.io/controller-runtime v0.24.1
 	sigs.k8s.io/kustomize/api v0.21.1
@@ -125,11 +125,11 @@ require (
 	google.golang.org/protobuf v1.36.12-0.20260120151049-f2248ac996af // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	k8s.io/apiserver v0.36.2 // indirect
+	k8s.io/apiserver v0.36.3 // indirect
-	k8s.io/component-base v0.36.2 // indirect
+	k8s.io/component-base v0.36.3 // indirect
 	k8s.io/klog/v2 v2.140.0 // indirect
 	k8s.io/kube-openapi v0.0.0-20260603220949-865597e52e25 // indirect
-	k8s.io/streaming v0.36.2 // indirect
+	k8s.io/streaming v0.36.3 // indirect
 	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.34.0 // indirect
 	sigs.k8s.io/gateway-api v1.6.0 // indirect
 	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect

go.sum

@@ -308,24 +308,24 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-k8s.io/api v0.36.2 h1:TF6YDLIzKfccK7cq9YpTcGX8TJmEkHVRv78DM51fRYY=
+k8s.io/api v0.36.3 h1:NxB+05W2UGqXWFXcLO0RB5cnqnUPP5v5sVlaOH0Iz4w=
-k8s.io/api v0.36.2/go.mod h1:F4LbMO4brjZYh7yFkXWhynSvtB7YauxV4c+HHkNRGNg=
+k8s.io/api v0.36.3/go.mod h1:JzLQKqRHC5+I8RVj/lS3lCg0mg6nWI9Fo/Sk3ElxHzg=
-k8s.io/apiextensions-apiserver v0.36.2 h1:3O5gqOj/dt2XWWbpMe+TXWpE9yU6pjM/tXxtHHJT/K4=
+k8s.io/apiextensions-apiserver v0.36.3 h1:dPmOAPhwTtqb1bTxbFPsy18KHPhktQeO3WUPXunZIB0=
-k8s.io/apiextensions-apiserver v0.36.2/go.mod h1:cL1tBWe8XSaP1H30iWKGo7hf6iAUUUJPEU70dskmAnA=
+k8s.io/apiextensions-apiserver v0.36.3/go.mod h1:KTXFqgXiuw2pRoL+Wpmttqc+up9Xt/GohadPWeLLOa4=
-k8s.io/apimachinery v0.36.2 h1:0PE/W/WNy1UX61NLbXY5TMbJ6UwLL6E6lAPkYrKFxbQ=
+k8s.io/apimachinery v0.36.3 h1:PkzMRBRG8joFD8EhCuQAtNPvJlxb82FwplP26HIzvAM=
-k8s.io/apimachinery v0.36.2/go.mod h1:fvf/HOLXq9RId0rnDIbN1OEBvHXdQbLMM8nu0LcBUf4=
+k8s.io/apimachinery v0.36.3/go.mod h1:cTSjBWgPe/6CQyBKzY/hDIRWCQQQeK0mfLbml0UYFHE=
-k8s.io/apiserver v0.36.2 h1:6vMnkmHZPeBloNkHUhmZYq7Ylv8WIB8xjyEl+eSt26E=
+k8s.io/apiserver v0.36.3 h1:MGSg2SkdfuytiDEcRylT5mQFmmSsbx90XFUO67Y4bsQ=
-k8s.io/apiserver v0.36.2/go.mod h1:9PoQ2ikCytrZyZg11mGhLEF5m8Rgsb5FJmYJ4Wvnl1k=
+k8s.io/apiserver v0.36.3/go.mod h1:fVH7zv9EUNUA7Fl7LtDKh8aB9W7u1VQPSGtWV5SjUxg=
-k8s.io/client-go v0.36.2 h1:bfgxmFKc9CgqsgX4xKLAAdmTQlWee7Ob/HlDOrJ5TBI=
+k8s.io/client-go v0.36.3 h1:M4JdVzXxYcZk4fGpfDdYnxSwhLKWCFoQsHW6t+z8Hfg=
-k8s.io/client-go v0.36.2/go.mod h1:1vgO4OAlfPnoLcb+Rze2GF5rAr14w8qjrYMoyXJzQj0=
+k8s.io/client-go v0.36.3/go.mod h1:gcPwr0c87vjjG6HB6pWEqOeuYVoXSsREjzux2j6GF30=
-k8s.io/component-base v0.36.2 h1:Z0VH80O7Ng0HDZnZj3WRR3urEGa0kTwmO8CwEwjVK1w=
+k8s.io/component-base v0.36.3 h1:vc/UFvPCkW0irPz84LAodAL1j3f4xktPM6dDJIEheAY=
-k8s.io/component-base v0.36.2/go.mod h1:mGfFOA7Gwpdm1VW2cwSQYbiDIlz8GD2WGwH88QSeCyA=
+k8s.io/component-base v0.36.3/go.mod h1:hZbNFG+gCMl9EbykDGEu73feKP9/Cq6JsV4pTo9GTO8=
 k8s.io/klog/v2 v2.140.0 h1:Tf+J3AH7xnUzZyVVXhTgGhEKnFqye14aadWv7bzXdzc=
 k8s.io/klog/v2 v2.140.0/go.mod h1:o+/RWfJ6PwpnFn7OyAG3QnO47BFsymfEfrz6XyYSSp0=
 k8s.io/kube-openapi v0.0.0-20260603220949-865597e52e25 h1:mPMaPMpBij2V1Wv/fR+HW124vVGXXvOSS9ver/9yjWs=
 k8s.io/kube-openapi v0.0.0-20260603220949-865597e52e25/go.mod h1:V/QaCUYDa+0QpcHhVVc5l99Uz56wEMEXBSj9oCDkNDY=
-k8s.io/streaming v0.36.2 h1:NSKthPPg9UFSKsRauVJUVGH2Dvn8fhKmY4qrMkw/p98=
+k8s.io/streaming v0.36.3 h1:9rAaqBk0C0Pc7+/fqGekj07NV+/Xrew58p647A0JT8w=
-k8s.io/streaming v0.36.2/go.mod h1:z6fV3D+NVkoeqRMtWwlUZK6U17SY/LqNzOxWL6GyR/s=
+k8s.io/streaming v0.36.3/go.mod h1:z6fV3D+NVkoeqRMtWwlUZK6U17SY/LqNzOxWL6GyR/s=
 k8s.io/utils v0.0.0-20260707023825-cf1189d6abe3 h1:jVkFFVfXdXP74B/zbO3hM3hpSFD0xvhQ5U686DPurkE=
 k8s.io/utils v0.0.0-20260707023825-cf1189d6abe3/go.mod h1:M2s5JB1lIYP3jzZdorPLHXIPJzt9vv2muW5a6L9DtNM=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.34.0 h1:hSfpvjjTQXQY2Fol2CS0QHMNs/WI1MOSGzCm1KhM5ec=

internal/cnpgi/operator/lifecycle.go

@@ -150,10 +150,16 @@ func (impl LifecycleImplementation) reconcileJob(
 		return nil, err
 	}
 
+	useAzureWorkloadIdentity, err := impl.collectAzureWorkloadIdentityUsage(ctx, pluginConfiguration)
+	if err != nil {
+		return nil, err
+	}
+
 	return reconcileJob(ctx, cluster, request, sidecarConfiguration{
 		env:                      env,
 		certificates:             certificates,
 		resources:                resources,
+		useAzureWorkloadIdentity: useAzureWorkloadIdentity,
 	})
 }
 
@@ -162,6 +168,7 @@ type sidecarConfiguration struct {
 	certificates             []corev1.VolumeProjection
 	resources                corev1.ResourceRequirements
 	additionalArgs           []string
+	useAzureWorkloadIdentity bool
 }
 
 func reconcileJob(
@@ -248,11 +255,17 @@ func (impl LifecycleImplementation) reconcilePod(
 		return nil, err
 	}
 
+	useAzureWorkloadIdentity, err := impl.collectAzureWorkloadIdentityUsage(ctx, pluginConfiguration)
+	if err != nil {
+		return nil, err
+	}
+
 	return reconcileInstancePod(ctx, cluster, request, pluginConfiguration, sidecarConfiguration{
 		env:                      env,
 		certificates:             certificates,
 		resources:                resources,
 		additionalArgs:           additionalArgs,
+		useAzureWorkloadIdentity: useAzureWorkloadIdentity,
 	})
 }
 
@@ -322,6 +335,25 @@ func (impl LifecycleImplementation) collectAdditionalInstanceArgs(
 	return nil, nil
 }
 
+func (impl LifecycleImplementation) collectAzureWorkloadIdentityUsage(
+	ctx context.Context,
+	pluginConfiguration *config.PluginConfiguration,
+) (bool, error) {
+	for _, objectKey := range pluginConfiguration.GetReferredBarmanObjectsKey() {
+		var objectStore barmancloudv1.ObjectStore
+		if err := impl.Client.Get(ctx, objectKey, &objectStore); err != nil {
+			return false, fmt.Errorf("while getting object store %s: %w", objectKey.String(), err)
+		}
+
+		if objectStore.Spec.Configuration.Azure != nil &&
+			objectStore.Spec.Configuration.Azure.UseDefaultAzureCredentials {
+			return true, nil
+		}
+	}
+
+	return false, nil
+}
+
 func reconcileInstancePod(
 	ctx context.Context,
 	cluster *cnpgv1.Cluster,
@@ -400,6 +432,13 @@ func reconcilePodSpec(
 		},
 	)
 
+	if config.useAzureWorkloadIdentity {
+		envs = append(envs, corev1.EnvVar{
+			Name:  "AZURE_FEDERATED_TOKEN_FILE",
+			Value: azureFederatedTokenFilePath,
+		})
+	}
+
 	envs = append(envs, config.env...)
 
 	baseProbe := &corev1.Probe{
@@ -488,6 +527,34 @@ func reconcilePodSpec(
 		spec.Volumes = removeVolume(spec.Volumes, barmanCertificatesVolumeName)
 	}
 
+	if config.useAzureWorkloadIdentity {
+		sidecarTemplate.VolumeMounts = ensureVolumeMount(
+			sidecarTemplate.VolumeMounts,
+			corev1.VolumeMount{
+				Name:      azureFederatedTokenVolumeName,
+				MountPath: azureFederatedTokenMountPath,
+				ReadOnly:  true,
+			},
+		)
+
+		spec.Volumes = ensureVolume(spec.Volumes, corev1.Volume{
+			Name: azureFederatedTokenVolumeName,
+			VolumeSource: corev1.VolumeSource{
+				Projected: &corev1.ProjectedVolumeSource{
+					Sources: []corev1.VolumeProjection{
+						{
+							ServiceAccountToken: &corev1.ServiceAccountTokenProjection{
+								Path:              azureFederatedTokenFileName,
+								Audience:          azureFederatedTokenAudience,
+								ExpirationSeconds: ptr.To[int64](azureFederatedTokenExpirationSeconds),
+							},
+						},
+					},
+				},
+			},
+		})
+	}
+
 	if err := injectPluginSidecarPodSpec(spec, &sidecarTemplate, mainContainerName); err != nil {
 		return err
 	}
@@ -495,6 +562,15 @@ func reconcilePodSpec(
 	return nil
 }
 
+const (
+	azureFederatedTokenVolumeName        = "azure-identity-token"
+	azureFederatedTokenMountPath         = "/var/run/secrets/azure/tokens"
+	azureFederatedTokenFileName          = "azure-identity-token"
+	azureFederatedTokenFilePath          = azureFederatedTokenMountPath + "/" + azureFederatedTokenFileName
+	azureFederatedTokenAudience          = "api://AzureADTokenExchange"
+	azureFederatedTokenExpirationSeconds = 3600
+)
+
 // TODO: move to machinery once the logic is finalized
 
 // InjectPluginVolumePodSpec injects the plugin volume into a CNPG Pod spec.

internal/cnpgi/operator/lifecycle_test.go

@@ -22,6 +22,7 @@ package operator
 import (
 	"encoding/json"
 
+	barmanapi "github.com/cloudnative-pg/barman-cloud/pkg/api"
 	cnpgv1 "github.com/cloudnative-pg/cloudnative-pg/api/v1"
 	"github.com/cloudnative-pg/cloudnative-pg/pkg/utils"
 	"github.com/cloudnative-pg/cnpg-i/pkg/lifecycle"
@@ -517,6 +518,134 @@ var _ = Describe("LifecycleImplementation", func() {
 			Expect(err).To(HaveOccurred())
 		})
 	})
+
+	Describe("collectAzureWorkloadIdentityUsage", func() {
+		It("returns true when any referred object store uses default Azure credentials", func(ctx SpecContext) {
+			ns := "test-ns"
+			cluster := &cnpgv1.Cluster{ObjectMeta: metav1.ObjectMeta{Name: "c", Namespace: ns}}
+			pc := &config.PluginConfiguration{
+				Cluster:                  cluster,
+				BarmanObjectName:         "primary-store",
+				RecoveryBarmanObjectName: "recovery-store",
+			}
+			primaryStore := &barmancloudv1.ObjectStore{
+				ObjectMeta: metav1.ObjectMeta{Name: pc.BarmanObjectName, Namespace: ns},
+				Spec: barmancloudv1.ObjectStoreSpec{
+					Configuration: barmanapi.BarmanObjectStoreConfiguration{
+						BarmanCredentials: barmanapi.BarmanCredentials{
+							Azure: &barmanapi.AzureCredentials{UseDefaultAzureCredentials: true},
+						},
+					},
+				},
+			}
+			recoveryStore := &barmancloudv1.ObjectStore{
+				ObjectMeta: metav1.ObjectMeta{Name: pc.RecoveryBarmanObjectName, Namespace: ns},
+			}
+			cli := buildClientFunc(primaryStore, recoveryStore).Build()
+
+			impl := LifecycleImplementation{Client: cli}
+			useWorkloadIdentity, err := impl.collectAzureWorkloadIdentityUsage(ctx, pc)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(useWorkloadIdentity).To(BeTrue())
+		})
+
+		It("returns false when none of the referred object stores use default Azure credentials", func(ctx SpecContext) {
+			ns := "test-ns"
+			cluster := &cnpgv1.Cluster{ObjectMeta: metav1.ObjectMeta{Name: "c", Namespace: ns}}
+			pc := &config.PluginConfiguration{
+				Cluster:          cluster,
+				BarmanObjectName: "primary-store",
+			}
+			primaryStore := &barmancloudv1.ObjectStore{
+				ObjectMeta: metav1.ObjectMeta{Name: pc.BarmanObjectName, Namespace: ns},
+				Spec: barmancloudv1.ObjectStoreSpec{
+					Configuration: barmanapi.BarmanObjectStoreConfiguration{
+						BarmanCredentials: barmanapi.BarmanCredentials{
+							Azure: &barmanapi.AzureCredentials{InheritFromAzureAD: true},
+						},
+					},
+				},
+			}
+			cli := buildClientFunc(primaryStore).Build()
+
+			impl := LifecycleImplementation{Client: cli}
+			useWorkloadIdentity, err := impl.collectAzureWorkloadIdentityUsage(ctx, pc)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(useWorkloadIdentity).To(BeFalse())
+		})
+	})
+})
+
+var _ = Describe("reconcilePodSpec", func() {
+	It("injects the Azure federated token volume and env when workload identity is enabled", func() {
+		cluster := &cnpgv1.Cluster{ObjectMeta: metav1.ObjectMeta{Name: "cluster-1", Namespace: "ns-1"}}
+		spec := &corev1.PodSpec{
+			Containers: []corev1.Container{
+				{
+					Name: "postgres",
+					Env: []corev1.EnvVar{
+						{Name: "AZURE_CLIENT_ID", Value: "client-id"},
+					},
+				},
+			},
+		}
+
+		err := reconcilePodSpec(
+			cluster,
+			spec,
+			"postgres",
+			corev1.Container{Args: []string{"instance"}},
+			sidecarConfiguration{useAzureWorkloadIdentity: true},
+		)
+		Expect(err).NotTo(HaveOccurred())
+		Expect(spec.Volumes).To(ContainElement(HaveField("Name", azureFederatedTokenVolumeName)))
+		Expect(spec.InitContainers).To(HaveLen(1))
+		Expect(spec.InitContainers[0].Env).To(ContainElement(corev1.EnvVar{
+			Name:  "AZURE_FEDERATED_TOKEN_FILE",
+			Value: azureFederatedTokenFilePath,
+		}))
+		Expect(spec.InitContainers[0].Env).To(ContainElement(corev1.EnvVar{
+			Name:  "AZURE_CLIENT_ID",
+			Value: "client-id",
+		}))
+		Expect(spec.InitContainers[0].VolumeMounts).To(ContainElement(corev1.VolumeMount{
+			Name:      azureFederatedTokenVolumeName,
+			MountPath: azureFederatedTokenMountPath,
+			ReadOnly:  true,
+		}))
+	})
+
+	It("does not override an existing federated token file env", func() {
+		cluster := &cnpgv1.Cluster{ObjectMeta: metav1.ObjectMeta{Name: "cluster-1", Namespace: "ns-1"}}
+		spec := &corev1.PodSpec{
+			Containers: []corev1.Container{
+				{
+					Name: "postgres",
+					Env: []corev1.EnvVar{
+						{Name: "AZURE_FEDERATED_TOKEN_FILE", Value: "/custom/token"},
+					},
+				},
+			},
+		}
+
+		err := reconcilePodSpec(
+			cluster,
+			spec,
+			"postgres",
+			corev1.Container{Args: []string{"instance"}},
+			sidecarConfiguration{useAzureWorkloadIdentity: true},
+		)
+		Expect(err).NotTo(HaveOccurred())
+		Expect(spec.InitContainers).To(HaveLen(1))
+		Expect(spec.InitContainers[0].Env).To(ContainElement(corev1.EnvVar{
+			Name:  "AZURE_FEDERATED_TOKEN_FILE",
+			Value: "/custom/token",
+		}))
+		Expect(spec.InitContainers[0].Env).NotTo(ContainElement(corev1.EnvVar{
+			Name:  "AZURE_FEDERATED_TOKEN_FILE",
+			Value: azureFederatedTokenFilePath,
+		}))
+	})
 })
 
 var _ = Describe("Volume utilities", func() {

test/e2e/internal/tests/walrestore/fixtures.go

@@ -121,8 +121,8 @@ func newS3ClientDeployment(namespace string) *appsv1.Deployment {
 						{
 							Name: s3ClientName,
 							// renovate: datasource=docker depName=amazon/aws-cli versioning=docker
-							// Version: 2.36.3
+							// Version: 2.36.7
-							Image:   "docker.io/amazon/aws-cli@sha256:bdd02067a00c354684086071b475955c54caa7bd88b851aac99a51326fe19652",
+							Image:   "docker.io/amazon/aws-cli@sha256:5b76c069e37cfa091ec6398dc683c09e0c9ef8ae2e557b0a36d931df34011227",
 							Command: []string{"sleep", "infinity"},
 							Env: []corev1.EnvVar{
 								{

web/docs/object_stores.md

@@ -272,9 +272,10 @@ flow, which uses [`DefaultAzureCredential`](https://learn.microsoft.com/en-us/py
 to automatically discover and use available credentials in the following order:
 
 1. **Environment Variables** — `AZURE_CLIENT_ID`, `AZURE_CLIENT_SECRET`, and `AZURE_TENANT_ID` for Service Principal authentication
-2. **Managed Identity** — Uses the managed identity assigned to the pod
+2. **Workload Identity** — Uses `AZURE_CLIENT_ID`, `AZURE_TENANT_ID`, and a federated service account token
-3. **Azure CLI** — Uses credentials from the Azure CLI if available
+3. **Managed Identity** — Uses the managed identity assigned to the pod
-4. **Azure PowerShell** — Uses credentials from Azure PowerShell if available
+4. **Azure CLI** — Uses credentials from the Azure CLI if available
+5. **Azure PowerShell** — Uses credentials from Azure PowerShell if available
 
 This approach is particularly useful for getting started with development and testing; it allows
 the SDK to attempt multiple authentication mechanisms seamlessly across different environments.
@@ -295,6 +296,30 @@ spec:
   [...]
 ```
 
+When `useDefaultAzureCredentials: true` is set, the plugin sidecar projects a
+service account token with the Azure workload identity audience and exposes it
+as `AZURE_FEDERATED_TOKEN_FILE`. If your platform does not already inject
+`AZURE_CLIENT_ID` and `AZURE_TENANT_ID`, you can provide them through
+`.spec.instanceSidecarConfiguration.env`:
+
+```yaml
+apiVersion: barmancloud.cnpg.io/v1
+kind: ObjectStore
+metadata:
+  name: azure-store
+spec:
+  configuration:
+    destinationPath: "<destination path here>"
+    azureCredentials:
+      useDefaultAzureCredentials: true
+  instanceSidecarConfiguration:
+    env:
+    - name: AZURE_CLIENT_ID
+      value: "<managed-identity-client-id>"
+    - name: AZURE_TENANT_ID
+      value: "<tenant-id>"
+```
+
 ### Access Key, SAS Token, or Connection String
 
 Store credentials in a Kubernetes secret: