Calicoctl-utility python and Ubuntu upgrade.

This Patchset updated Ubuntu to  Bionic
and Python from 2.0 to 3.0

Change-Id: Idd910fc74558ceb43ace48652e2c6bd6232aeb9e

charts/calicoctl-utility/values.yaml

@@ -19,7 +19,7 @@
 
 images:
   tags:
-    calicoctl_utility: 'quay.io/airshipit/porthole-calicoctl-utility:latest-ubuntu_xenial'
+    calicoctl_utility: 'quay.io/airshipit/porthole-calicoctl-utility:latest-ubuntu_bionic'
     image_repo_sync: docker.io/docker:18.09.02
   pull_policy: IfNotPresent
   local_registry:

images/calicoctl-utility/Dockerfile.ubuntu_bionic

@@ -1,4 +1,4 @@
-ARG FROM=docker.io/ubuntu:xenial
+ARG FROM=docker.io/ubuntu:bionic
 ARG DOCKER_REGISTRY=quay.io
 ARG CALICOCTL_IMAGE_PREFIX=calico/ctl
 ARG CALICOCTL_VERSION=v3.4.4
@@ -27,6 +27,8 @@ RUN set -xe \
          locales \
          moreutils \
          sudo \
+         python3 \
+         python3-pip \
          python3-oslo.rootwrap \
          socat \
     && apt-get clean -y \

images/calicoctl-utility/Dockerfile_calicoq_calicoctl.ubuntu_bionic

@@ -1,4 +1,4 @@
-ARG FROM=docker.io/ubuntu:xenial
+ARG FROM=docker.io/ubuntu:bionic
 ARG DOCKER_REGISTRY=quay.io
 ARG CALICOCTL_IMAGE_PREFIX=tigera/calicoctl
 ARG CALICOCTL_VERSION=v2.5.1
@@ -33,6 +33,8 @@ RUN set -xe \
          locales \
          moreutils \
          sudo \
+         python3 \
+         python3-pip \
          python3-oslo.rootwrap \
          socat \
     && apt-get clean -y \

zuul.d/calicoctl-utility.yaml

@@ -17,7 +17,7 @@
     parent: &parent airship-porthole-images
     vars:
       image_name: &image_name porthole-calicoctl-utility
-      distro_suffix: &distro_suffix ubuntu_xenial
+      distro_suffix: &distro_suffix ubuntu_bionic
     files:
       - ^charts/calicoctl-utility/.*$
       - ^images/calicoctl-utility/.*$