[docker-wait-any] Convert to Python 3, install dependency in host OS (#…

…5784)

- Convert docker-wait-any script to Python 3
- Install Python 3 Docker Engine API in host OS

build_debian.sh

@@ -413,13 +413,15 @@ done < files/image_config/sysctl/sysctl-net.conf
 
 sudo augtool --autosave "$sysctl_net_cmd_string" -r $FILESYSTEM_ROOT
 
-## docker Python API package is needed by Ansible docker module
-sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install 'docker==4.1.0'
+# docker Python API package is needed by Ansible docker module as well as some SONiC applications
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip2 install 'docker==4.1.0'
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip3 install 'docker==4.3.1'
+
 ## Note: keep pip installed for maintainance purpose
 
 ## Get gcc and python dev pkgs
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install gcc libpython2.7-dev
-sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install 'netifaces==0.10.7'
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip2 install 'netifaces==0.10.7'
 
 ## Create /var/run/redis folder for docker-database to mount
 sudo mkdir -p $FILESYSTEM_ROOT/var/run/redis

files/image_config/misc/docker-wait-any

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
     docker-wait-any
@@ -23,7 +23,7 @@
     cases where we need the dependent container to be warm-restarted without
     affecting other services (eg: warm restart of teamd service)
 
-    NOTE: This script is written against docker Python package 4.1.0. Newer
+    NOTE: This script is written against docker Python package 4.3.1. Newer
     versions of docker may have a different API.
 """
 import argparse
@@ -68,7 +68,6 @@ def main():
     docker_client = APIClient(base_url='unix://var/run/docker.sock')
 
     parser  = argparse.ArgumentParser(description='Wait for dependent docker services',
-                                      version='1.0.0',
                                       formatter_class=argparse.RawTextHelpFormatter,
                                       epilog="""
 Examples: