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Add SecurityContext to Eventlistener containers #1494

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merged 1 commit into from
Feb 14, 2023
Merged

Add SecurityContext to Eventlistener containers #1494

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26 changes: 26 additions & 0 deletions pkg/reconciler/eventlistener/eventlistener_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -273,6 +273,19 @@ func makeDeployment(ops ...func(d *appsv1.Deployment)) *appsv1.Deployment {
Name: "METRICS_PROMETHEUS_PORT",
Value: "9000",
}},
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
}},
SecurityContext: &corev1.PodSecurityContext{
RunAsNonRoot: ptr.Bool(true),
Expand Down Expand Up @@ -421,6 +434,19 @@ func makeWithPod(ops ...func(d *duckv1.WithPod)) *duckv1.WithPod {
Name: "METRICS_PROMETHEUS_PORT",
Value: "9000",
}},
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
ReadinessProbe: &corev1.Probe{
ProbeHandler: corev1.ProbeHandler{
HTTPGet: &corev1.HTTPGetAction{
Expand Down
14 changes: 14 additions & 0 deletions pkg/reconciler/eventlistener/resources/container.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import (
"github.com/tektoncd/triggers/pkg/apis/triggers/v1beta1"
corev1 "k8s.io/api/core/v1"
reconcilersource "knative.dev/eventing/pkg/reconciler/source"
"knative.dev/pkg/ptr"
)

type ContainerOption func(*corev1.Container)
Expand Down Expand Up @@ -79,6 +80,19 @@ func MakeContainer(el *v1beta1.EventListener, configAcc reconcilersource.ConfigA
Name: "K_SINK_TIMEOUT",
Value: strconv.FormatInt(*c.TimeOutHandler, 10),
}}...),
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
}

for _, opt := range opts {
Expand Down
66 changes: 66 additions & 0 deletions pkg/reconciler/eventlistener/resources/container_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ import (
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
reconcilersource "knative.dev/eventing/pkg/reconciler/source"
"knative.dev/pkg/ptr"
)

func TestContainer(t *testing.T) {
Expand Down Expand Up @@ -82,6 +83,19 @@ func TestContainer(t *testing.T) {
Name: "K_SINK_TIMEOUT",
Value: strconv.FormatInt(DefaultTimeOutHandler, 10),
}},
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
},
}, {
name: "with resources option",
Expand Down Expand Up @@ -143,6 +157,19 @@ func TestContainer(t *testing.T) {
Name: "K_SINK_TIMEOUT",
Value: strconv.FormatInt(DefaultTimeOutHandler, 10),
}},
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
},
}, {
name: "with env option",
Expand Down Expand Up @@ -183,6 +210,19 @@ func TestContainer(t *testing.T) {
Name: "BAR",
Value: "food",
}},
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
},
}, {
name: "with namespace selector",
Expand Down Expand Up @@ -232,6 +272,19 @@ func TestContainer(t *testing.T) {
Name: "K_SINK_TIMEOUT",
Value: strconv.FormatInt(DefaultTimeOutHandler, 10),
}},
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
},
}, {
name: "without payload validation",
Expand Down Expand Up @@ -283,6 +336,19 @@ func TestContainer(t *testing.T) {
Name: "K_SINK_TIMEOUT",
Value: strconv.FormatInt(DefaultTimeOutHandler, 10),
}},
SecurityContext: &corev1.SecurityContext{
AllowPrivilegeEscalation: ptr.Bool(false),
Capabilities: &corev1.Capabilities{
Drop: []corev1.Capability{"ALL"},
},
// 65532 is the distroless nonroot user ID
RunAsUser: ptr.Int64(65532),
RunAsGroup: ptr.Int64(65532),
RunAsNonRoot: ptr.Bool(true),
SeccompProfile: &corev1.SeccompProfile{
Type: corev1.SeccompProfileTypeRuntimeDefault,
},
},
},
}}

Expand Down
27 changes: 27 additions & 0 deletions pkg/reconciler/eventlistener/resources/custom_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,15 @@ func TestCustomObject(t *testing.T) {
"protocol": "TCP",
},
},
"securityContext": map[string]interface{}{
"allowPrivilegeEscalation": false,
"capabilities": map[string]interface{}{
"drop": []interface{}{string("ALL")}},
"runAsGroup": int64(65532),
"runAsNonRoot": bool(true),
"runAsUser": int64(65532),
"seccompProfile": map[string]interface{}{"type": string("RuntimeDefault")},
},
"resources": map[string]interface{}{},
"readinessProbe": map[string]interface{}{
"httpGet": map[string]interface{}{
Expand Down Expand Up @@ -217,6 +226,15 @@ func TestCustomObject(t *testing.T) {
"protocol": "TCP",
},
},
"securityContext": map[string]interface{}{
"allowPrivilegeEscalation": false,
"capabilities": map[string]interface{}{
"drop": []interface{}{string("ALL")}},
"runAsGroup": int64(65532),
"runAsNonRoot": bool(true),
"runAsUser": int64(65532),
"seccompProfile": map[string]interface{}{"type": string("RuntimeDefault")},
},
"resources": map[string]interface{}{},
"readinessProbe": map[string]interface{}{
"httpGet": map[string]interface{}{
Expand Down Expand Up @@ -285,6 +303,15 @@ func TestCustomObject(t *testing.T) {
"cpu": "101m",
},
},
"securityContext": map[string]interface{}{
"allowPrivilegeEscalation": false,
"capabilities": map[string]interface{}{
"drop": []interface{}{string("ALL")}},
"runAsGroup": int64(65532),
"runAsNonRoot": bool(true),
"runAsUser": int64(65532),
"seccompProfile": map[string]interface{}{"type": string("RuntimeDefault")},
},
"readinessProbe": map[string]interface{}{
"httpGet": map[string]interface{}{
"path": "/live",
Expand Down