Merge pull request #38 from Shopify/types

 types: Create internal types instead of using kubernetes types

cmd/image.go

@@ -5,7 +5,6 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	apiv1 "k8s.io/api/core/v1"
 )
 
 var imgConfig imgFlags
@@ -54,7 +53,7 @@ func printResultImg(results []Result) {
 	}
 }
 
-func checkImage(container apiv1.Container, image imgFlags, result *Result) {
+func checkImage(container Container, image imgFlags, result *Result) {
 	image.splitImageString()
 	contImage := imgFlags{img: container.Image}
 	contImage.splitImageString()

cmd/kubernetes.go

@@ -5,11 +5,8 @@ import (
 	"os"
 
 	log "github.com/sirupsen/logrus"
-	appsv1beta1 "k8s.io/api/apps/v1beta1"
 	apiv1 "k8s.io/api/core/v1"
-	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
 	networking "k8s.io/api/networking/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/pkg/version"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp" // auth for GKE clusters
@@ -48,54 +45,54 @@ func kubeClient(kubeconfig string) (*kubernetes.Clientset, error) {
 	return kube, err
 }
 
-func getNamespaces(clientset *kubernetes.Clientset) *apiv1.NamespaceList {
+func getNamespaces(clientset *kubernetes.Clientset) *NamespaceList {
 	namespaceClient := clientset.Namespaces()
-	namespaces, err := namespaceClient.List(metav1.ListOptions{})
+	namespaces, err := namespaceClient.List(ListOptions{})
 	if err != nil {
 		log.Error(err)
 	}
 	return namespaces
 }
 
-func getDeployments(clientset *kubernetes.Clientset) *appsv1beta1.DeploymentList {
+func getDeployments(clientset *kubernetes.Clientset) *DeploymentList {
 	deploymentClient := clientset.AppsV1beta1().Deployments(apiv1.NamespaceAll)
-	deployments, err := deploymentClient.List(metav1.ListOptions{})
+	deployments, err := deploymentClient.List(ListOptions{})
 	if err != nil {
 		log.Error(err)
 	}
 	return deployments
 }
 
-func getStatefulSets(clientset *kubernetes.Clientset) *appsv1beta1.StatefulSetList {
+func getStatefulSets(clientset *kubernetes.Clientset) *StatefulSetList {
 	statefulSetClient := clientset.AppsV1beta1().StatefulSets(apiv1.NamespaceAll)
-	statefulSets, err := statefulSetClient.List(metav1.ListOptions{})
+	statefulSets, err := statefulSetClient.List(ListOptions{})
 	if err != nil {
 		log.Error(err)
 	}
 	return statefulSets
 }
 
-func getDaemonSets(clientset *kubernetes.Clientset) *extensionsv1beta1.DaemonSetList {
+func getDaemonSets(clientset *kubernetes.Clientset) *DaemonSetList {
 	daemonSetClient := clientset.ExtensionsV1beta1().DaemonSets(apiv1.NamespaceAll)
-	daemonSets, err := daemonSetClient.List(metav1.ListOptions{})
+	daemonSets, err := daemonSetClient.List(ListOptions{})
 	if err != nil {
 		log.Error(err)
 	}
 	return daemonSets
 }
 
-func getPods(clientset *kubernetes.Clientset) *apiv1.PodList {
+func getPods(clientset *kubernetes.Clientset) *PodList {
 	podClient := clientset.Pods(apiv1.NamespaceAll)
-	pods, err := podClient.List(metav1.ListOptions{})
+	pods, err := podClient.List(ListOptions{})
 	if err != nil {
 		log.Error(err)
 	}
 	return pods
 }
 
-func getReplicationControllers(clientset *kubernetes.Clientset) *apiv1.ReplicationControllerList {
+func getReplicationControllers(clientset *kubernetes.Clientset) *ReplicationControllerList {
 	replicationControllerClient := clientset.ReplicationControllers(apiv1.NamespaceAll)
-	replicationControllers, err := replicationControllerClient.List(metav1.ListOptions{})
+	replicationControllers, err := replicationControllerClient.List(ListOptions{})
 	if err != nil {
 		log.Error(err)
 	}
@@ -104,7 +101,7 @@ func getReplicationControllers(clientset *kubernetes.Clientset) *apiv1.Replicati
 
 func getNetworkPolicies(clientset *kubernetes.Clientset) *networking.NetworkPolicyList {
 	netPolClient := clientset.NetworkPolicies(apiv1.NamespaceAll)
-	netPols, err := netPolClient.List(metav1.ListOptions{})
+	netPols, err := netPolClient.List(ListOptions{})
 	if err != nil {
 		log.Error(err)
 	}

cmd/networkPolicies.go

@@ -3,11 +3,10 @@ package cmd
 import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	networking "k8s.io/api/networking/v1"
 )
 
-func checkNamespaceNetworkPolicies(netPols *networking.NetworkPolicyList) {
-	badNetPols := []networking.NetworkPolicy{}
+func checkNamespaceNetworkPolicies(netPols *NetworkPolicyList) {
+	badNetPols := []NetworkPolicy{}
 
 	for _, netPol := range netPols.Items {
 		for _, ingress := range netPol.Spec.Ingress {

cmd/privileged.go

@@ -3,7 +3,6 @@ package cmd
 import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	apiv1 "k8s.io/api/core/v1"
 )
 
 func printResultPrivileged(results []Result) {
@@ -14,7 +13,7 @@ func printResultPrivileged(results []Result) {
 	}
 }
 
-func checkPrivileged(container apiv1.Container, result *Result) {
+func checkPrivileged(container Container, result *Result) {
 	if container.SecurityContext != nil {
 		if container.SecurityContext.Privileged != nil && *container.SecurityContext.Privileged {
 			result.err = 1

cmd/readOnlyRootFilesystem.go

@@ -3,7 +3,6 @@ package cmd
 import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	apiv1 "k8s.io/api/core/v1"
 )
 
 func printResultRFS(results []Result) {
@@ -31,7 +30,7 @@ func printResultRFS(results []Result) {
 	}
 }
 
-func checkReadOnlyRootFS(container apiv1.Container, result *Result) {
+func checkReadOnlyRootFS(container Container, result *Result) {
 	if container.SecurityContext == nil {
 		result.err = ErrorSecurityContextNIL
 		return

cmd/runAsNonRoot.go

@@ -3,7 +3,6 @@ package cmd
 import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	apiv1 "k8s.io/api/core/v1"
 )
 
 func printResultNR(results []Result) {
@@ -31,7 +30,7 @@ func printResultNR(results []Result) {
 	}
 }
 
-func checkRunAsNonRoot(container apiv1.Container, result *Result) {
+func checkRunAsNonRoot(container Container, result *Result) {
 	if container.SecurityContext == nil {
 		result.err = ErrorSecurityContextNIL
 		return

cmd/securityContext.go

@@ -5,10 +5,9 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	apiv1 "k8s.io/api/core/v1"
 )
 
-func checkSecurityContext(container apiv1.Container, result *Result) {
+func checkSecurityContext(container Container, result *Result) {
 	if container.SecurityContext == nil {
 		result.err = ErrorSecurityContextNIL
 		return

cmd/types.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	v1beta1 "k8s.io/api/apps/v1beta1"
+	apiv1 "k8s.io/api/core/v1"
+	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
+	networking "k8s.io/api/networking/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+type Pod = apiv1.Pod
+type ReplicationController = apiv1.ReplicationController
+type DaemonSet = extensionsv1beta1.DaemonSet
+type Deployment = v1beta1.Deployment
+type StatefulSet = v1beta1.StatefulSet
+type NetworkPolicy = networking.NetworkPolicy
+
+type PodList = apiv1.PodList
+type ReplicationControllerList = apiv1.ReplicationControllerList
+type DaemonSetList = extensionsv1beta1.DaemonSetList
+type DeploymentList = v1beta1.DeploymentList
+type StatefulSetList = v1beta1.StatefulSetList
+type NamespaceList = apiv1.NamespaceList
+type NetworkPolicyList = networking.NetworkPolicyList
+
+type Capability = apiv1.Capability
+type Container = apiv1.Container
+type ListOptions = metav1.ListOptions