Update k8s from 1.17 to 1.18 (#1842)

Author: RobertLucian

cli/cmd/cluster_gcp.go

@@ -454,7 +454,7 @@ func createGKECluster(clusterConfig *clusterconfig.GCPConfig, gcpClient *gcp.Cli
 
 	gkeClusterConfig := containerpb.Cluster{
 		Name:                  clusterConfig.ClusterName,
-		InitialClusterVersion: "1.17",
+		InitialClusterVersion: "1.18",
 		LoggingService:        "none",
 		NodePools: []*containerpb.NodePool{
 			{

images/cluster-autoscaler/Dockerfile

@@ -1 +1 @@
-FROM k8s.gcr.io/autoscaling/cluster-autoscaler:v1.17.3
+FROM k8s.gcr.io/autoscaling/cluster-autoscaler:v1.18.3

images/manager/Dockerfile

@@ -15,7 +15,7 @@ RUN pip install --upgrade pip && \
 
 RUN apk add --no-cache bash curl gettext jq openssl
 
-RUN curl --location "https://github.com/weaveworks/eksctl/releases/download/0.27.0/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp && \
+RUN curl --location "https://github.com/weaveworks/eksctl/releases/download/0.36.2/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp && \
     mv /tmp/eksctl /usr/local/bin
 
 RUN curl -o aws-iam-authenticator https://amazon-eks.s3.us-west-2.amazonaws.com/1.17.9/2020-08-04/bin/linux/amd64/aws-iam-authenticator && \

manager/generate_eks.py

@@ -192,7 +192,7 @@ def generate_eks(cluster_config_path):
         "metadata": {
             "name": cluster_config["cluster_name"],
             "region": cluster_config["region"],
-            "version": "1.17",
+            "version": "1.18",
             "tags": cluster_config["tags"],
         },
         "vpc": {"nat": {"gateway": nat_gateway}},