feature: add hostNetwork to the podSpec (envoyproxy#1944)

* added hostNetwork to the podSpec Signed-off-by: tanujd11 <[email protected]> * make gen-check Signed-off-by: tanujd11 <[email protected]> --------- Signed-off-by: tanujd11 <[email protected]> Co-authored-by: Xunzhuo <[email protected]>
zhaohuabing · Dec 14, 2023 · 9aebfdc · 9aebfdc
1 parent 176823c
commit 9aebfdc
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diff --git a/api/v1alpha1/shared_types.go b/api/v1alpha1/shared_types.go
@@ -113,6 +113,10 @@ type KubernetesPodSpec struct {
 	//
 	// +optional
 	Volumes []corev1.Volume `json:"volumes,omitempty"`
+
+	// HostNetwork, If this is set to true, the pod will use host's network namespace.
+	// +optional
+	HostNetwork bool `json:"hostNetwork,omitempty"`
 }
 
 // KubernetesContainerSpec defines the desired state of the Kubernetes container resource.

diff --git a/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_envoyproxies.yaml b/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_envoyproxies.yaml
@@ -3024,6 +3024,10 @@ spec:
                                   should be appended to the pods. By default, no pod
                                   annotations are appended.
                                 type: object
+                              hostNetwork:
+                                description: HostNetwork, If this is set to true,
+                                  the pod will use host's network namespace.
+                                type: boolean
                               labels:
                                 additionalProperties:
                                   type: string

diff --git a/internal/infrastructure/kubernetes/proxy/resource_provider.go b/internal/infrastructure/kubernetes/proxy/resource_provider.go
@@ -216,6 +216,7 @@ func (r *ResourceRender) Deployment() (*appsv1.Deployment, error) {
 					RestartPolicy:                 corev1.RestartPolicyAlways,
 					SchedulerName:                 "default-scheduler",
 					SecurityContext:               deploymentConfig.Pod.SecurityContext,
+					HostNetwork:                   deploymentConfig.Pod.HostNetwork,
 					Affinity:                      deploymentConfig.Pod.Affinity,
 					Tolerations:                   deploymentConfig.Pod.Tolerations,
 					Volumes:                       expectedDeploymentVolumes(r.infra.Name, deploymentConfig),

diff --git a/internal/infrastructure/kubernetes/proxy/resource_provider_test.go b/internal/infrastructure/kubernetes/proxy/resource_provider_test.go
@@ -93,6 +93,7 @@ func TestDeployment(t *testing.T) {
 					SecurityContext: &corev1.PodSecurityContext{
 						RunAsUser: pointer.Int64(1000),
 					},
+					HostNetwork: true,
 				},
 				Container: &egv1a1.KubernetesContainerSpec{
 					Image: pointer.String("envoyproxy/envoy:v1.2.3"),

diff --git a/internal/infrastructure/kubernetes/proxy/testdata/deployments/custom.yaml b/internal/infrastructure/kubernetes/proxy/testdata/deployments/custom.yaml
@@ -34,6 +34,7 @@ spec:
         prometheus.io/scrape: "true"
     spec:
       automountServiceAccountToken: false
+      hostNetwork: true
       containers:
         - args:
             - --service-cluster default

diff --git a/internal/infrastructure/kubernetes/ratelimit/resource_provider.go b/internal/infrastructure/kubernetes/ratelimit/resource_provider.go
@@ -178,6 +178,7 @@ func (r *ResourceRender) Deployment() (*appsv1.Deployment, error) {
 					RestartPolicy:                 corev1.RestartPolicyAlways,
 					SchedulerName:                 "default-scheduler",
 					SecurityContext:               r.rateLimitDeployment.Pod.SecurityContext,
+					HostNetwork:                   r.rateLimitDeployment.Pod.HostNetwork,
 					Volumes:                       expectedDeploymentVolumes(r.rateLimit, r.rateLimitDeployment),
 					Affinity:                      r.rateLimitDeployment.Pod.Affinity,
 					Tolerations:                   r.rateLimitDeployment.Pod.Tolerations,

diff --git a/internal/infrastructure/kubernetes/ratelimit/resource_provider_test.go b/internal/infrastructure/kubernetes/ratelimit/resource_provider_test.go
@@ -158,6 +158,7 @@ func TestDeployment(t *testing.T) {
 					SecurityContext: &corev1.PodSecurityContext{
 						RunAsUser: pointer.Int64(1000),
 					},
+					HostNetwork: true,
 				},
 				Container: &egv1a1.KubernetesContainerSpec{
 					Image: pointer.String("custom-image"),

diff --git a/internal/infrastructure/kubernetes/ratelimit/testdata/deployments/custom.yaml b/internal/infrastructure/kubernetes/ratelimit/testdata/deployments/custom.yaml
@@ -31,6 +31,7 @@ spec:
         prometheus.io/scrape: "true"
     spec:
       automountServiceAccountToken: false
+      hostNetwork: true
       containers:
       - command:
         - /bin/ratelimit

diff --git a/site/content/en/latest/api/extension_types.md b/site/content/en/latest/api/extension_types.md
@@ -1011,6 +1011,7 @@ _Appears in:_
 | `affinity` _[Affinity](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.26/#affinity-v1-core)_ | If specified, the pod's scheduling constraints. |
 | `tolerations` _[Toleration](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.26/#toleration-v1-core) array_ | If specified, the pod's tolerations. |
 | `volumes` _[Volume](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.26/#volume-v1-core) array_ | Volumes that can be mounted by containers belonging to the pod. More info: https://kubernetes.io/docs/concepts/storage/volumes |
+| `hostNetwork` _boolean_ | HostNetwork, If this is set to true, the pod will use host's network namespace. |
 
 
 #### KubernetesServiceSpec