Fix bug 1755: update keystone dockerfile to ubuntu 20.04

Change-Id: I79eddf6085d27823ea67561113bdba9593ad6a41
Signed-off-by: bravof <fbravo@whitestack.com>
Signed-off-by: sousaedu <eduardo.sousa@canonical.com>

docker/Keystone/Dockerfile

-# Copyright 2018 Whitestack, LLC
+# Copyright 2021 Whitestack, LLC
 #
 # 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
@@ -13,15 +13,10 @@
 # under the License.
 #
 # For those usages not covered by the Apache License, Version 2.0 please
-# contact: esousa@whitestack.com or glavado@whitestack.com
+# contact: fbravo@whitestack.com or glavado@whitestack.com
 ##
 
-FROM ubuntu:16.04
-
-LABEL Maintainer="esousa@whitestack.com" \
-      Description="Openstack Keystone Instance" \
-      Version="1.0" \
-      Author="Eduardo Sousa"
+FROM ubuntu:20.04
 
 EXPOSE 5000
 
@@ -29,18 +24,37 @@ WORKDIR /keystone
 
 COPY scripts/start.sh /keystone/start.sh
 
-RUN apt-get update && \
-    apt-get upgrade -y && \
-    apt-get autoremove -y && \
-    apt-get install -y software-properties-common && \
-    add-apt-repository -y cloud-archive:pike && \
-    apt-get update && apt dist-upgrade -y && \
-    apt-get install -y python-openstackclient keystone apache2 libapache2-mod-wsgi net-tools mysql-client dnsutils && \
-    apt-get install -y python-pip build-essential python-dev libldap2-dev libsasl2-dev libssl-dev libffi-dev libxml2-dev libxslt1-dev zlib1g-dev ldap-utils && \
-    pip install python-ldap ldappool && \
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get upgrade -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get autoremove -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y software-properties-common && \
+    add-apt-repository -y cloud-archive:victoria && \
+    DEBIAN_FRONTEND=noninteractive apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get dist-upgrade -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    apache2=2.4.* \
+    keystone=2:18.0.* \
+    libapache2-mod-wsgi-py3=4.6.* \
+    python3-pip=20.0.* \
+    build-essential=12.8* \
+    python3-dev=3.8.* \
+    libldap2-dev=2.4.* \
+    libsasl2-dev=2.1.* \
+    libssl-dev=1.1.* \
+    libffi-dev=3.3* \
+    libxml2-dev=2.9.* \
+    libxslt1-dev=1.1.* \
+    zlib1g-dev=1:1.2.* \
+    ldap-utils=2.4.* \
+    curl=7.68.* \
+    net-tools=1.60* \
+    mysql-client=8.0.* \
+    dnsutils=1:9.16.* && \
     rm -rf /var/lib/apt/lists/* && \
     chmod +x start.sh
 
+RUN pip3 install -U pip==21.3.1 && pip3 install python-ldap==3.2.0 ldappool==3.0.0
+
 # database
 ENV DB_HOST                 keystone-db
 ENV DB_PORT                 3306
@@ -81,4 +95,4 @@ ENV SERVICE_PROJECT         service
 # ENV LDAP_TLS_CACERT_BASE64              no default
 # ENV LDAP_TLS_REQ_CERT                   demand
 
-ENTRYPOINT ./start.sh
+ENTRYPOINT ["./start.sh"]