refactor(dockerfile): include aws-iam-authenticator tool in ansible-r…

…unner (#308)

Signed-off-by: ksatchit <karthik.s@openebs.io>

tools/ansible-runner/Dockerfile

@@ -15,8 +15,9 @@ RUN pip install ansible
 #Installing Kubectl
 ENV KUBE_LATEST_VERSION="v1.12.0"
 RUN curl -L https://storage.googleapis.com/kubernetes-release/release/${KUBE_LATEST_VERSION}/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl && \
-    chmod +x /usr/local/bin/kubectl
-
+    chmod +x /usr/local/bin/kubectl && \
+    curl -o /usr/local/bin/aws-iam-authenticator https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-07-26/bin/linux/amd64/aws-iam-authenticator && \chmod +x /usr/local/bin/aws-iam-authenticator
+
 #Adding hosts entries and making ansible folders
 RUN mkdir /etc/ansible/ /ansible && \
     echo "[local]" >> /etc/ansible/hosts && \