fix(deps): 🎨 vendor some code from k8s.io/kubernetes to remove depen…

go.sum

@@ -232,6 +232,7 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekf
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903 h1:LbsanbbD6LieFkXbj9YNNBupiGHJgFeLpO0j0Fza1h8=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef h1:veQD95Isof8w9/WXiA+pa3tz3fJXkt5B7QaRBrM62gk=
 github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.0.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=

pkg/health/health.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/argoproj/gitops-engine/pkg/utils/kube"
 	appsv1 "k8s.io/api/apps/v1"
 	v1 "k8s.io/api/apps/v1"
 	batchv1 "k8s.io/api/batch/v1"
@@ -14,9 +15,6 @@ import (
 	"k8s.io/client-go/kubernetes/scheme"
 	apiregistrationv1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1"
 	apiregistrationv1beta1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1"
-	podutil "k8s.io/kubernetes/pkg/api/v1/pod"
-
-	"github.com/argoproj/gitops-engine/pkg/utils/kube"
 )
 
 // Represents resource health status
@@ -507,7 +505,7 @@ func getPodHealth(obj *unstructured.Unstructured) (*HealthStatus, error) {
 		switch pod.Spec.RestartPolicy {
 		case coreV1.RestartPolicyAlways:
 			// if pod is ready, it is automatically healthy
-			if podutil.IsPodReady(pod) {
+			if IsPodReady(pod) {
 				return &HealthStatus{
 					Status:  HealthStatusHealthy,
 					Message: pod.Status.Message,

pkg/health/pod.go

@@ -0,0 +1,62 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Modifications Copyright 2020 The argoproj/gitops-engine authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package health
+
+import v1 "k8s.io/api/core/v1"
+
+// IsPodReady returns true if a pod is ready; false otherwise.
+func IsPodReady(pod *v1.Pod) bool {
+	return IsPodReadyConditionTrue(pod.Status)
+}
+
+// IsPodReadyConditionTrue returns true if a pod is ready; false otherwise.
+func IsPodReadyConditionTrue(status v1.PodStatus) bool {
+	condition := GetPodReadyCondition(status)
+	return condition != nil && condition.Status == v1.ConditionTrue
+}
+
+// GetPodReadyCondition extracts the pod ready condition from the given status and returns that.
+// Returns nil if the condition is not present.
+func GetPodReadyCondition(status v1.PodStatus) *v1.PodCondition {
+	_, condition := GetPodCondition(&status, v1.PodReady)
+	return condition
+}
+
+// GetPodCondition extracts the provided condition from the given status and returns that.
+// Returns nil and -1 if the condition is not present, and the index of the located condition.
+func GetPodCondition(status *v1.PodStatus, conditionType v1.PodConditionType) (int, *v1.PodCondition) {
+	if status == nil {
+		return -1, nil
+	}
+	return GetPodConditionFromList(status.Conditions, conditionType)
+}
+
+// GetPodConditionFromList extracts the provided condition from the given list of condition and
+// returns the index of the condition and the condition. Returns -1 and nil if the condition is not present.
+func GetPodConditionFromList(conditions []v1.PodCondition, conditionType v1.PodConditionType) (int, *v1.PodCondition) {
+	if conditions == nil {
+		return -1, nil
+	}
+	for i := range conditions {
+		if conditions[i].Type == conditionType {
+			return i, &conditions[i]
+		}
+	}
+	return -1, nil
+}