From 3aeab49bb64c6c89da37f3d03f781aec85f39015 Mon Sep 17 00:00:00 2001 From: grkiss Date: Mon, 1 May 2017 15:50:20 -0700 Subject: Tips on update docker to right version, > 1.8 JIRA: DOVETAIL-414 Dovetail requires docker at version > 1.8, so add some validation in code, and also versions of client and server should match with each other, or there will be unpredictable errors. Gives a notice to user to decide whether to update the docker to the latest version(1.17) Change-Id: I1331f5c19943a73e8fe25f76bd21628233e556f3 Signed-off-by: grakiss --- dovetail/utils/dovetail_utils.py | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'dovetail/utils/dovetail_utils.py') diff --git a/dovetail/utils/dovetail_utils.py b/dovetail/utils/dovetail_utils.py index 020617b8..7b613488 100644 --- a/dovetail/utils/dovetail_utils.py +++ b/dovetail/utils/dovetail_utils.py @@ -17,6 +17,7 @@ from collections import Mapping, Set, Sequence import json import urllib2 from datetime import datetime +from distutils.version import LooseVersion def exec_log(verbose, logger, msg, level, flush=False): @@ -165,3 +166,27 @@ def show_progress_bar(length): sys.stdout.flush() sys.stdout.write('Running ' + '.' * length + '\r') sys.stdout.flush() + + +def check_docker_version(logger=None): + ret, server_ver = exec_cmd("docker version -f'{{.Server.Version}}'", + logger=logger) + ret, client_ver = exec_cmd("docker version -f'{{.Client.Version}}'", + logger=logger) + logger.info("\ndocker version: \nclient:%s\nservr:%s", client_ver, + server_ver) + if(LooseVersion(client_ver) <= LooseVersion('1.8.0') or + LooseVersion(server_ver) <= LooseVersion('1.8.0')): + logger.warn("\n\nDocker version is too old, may cause unpredictable " + "errors, you can update or install the lastest docker " + "for both host and container as below:\nwget -qO- " + "https://get.docker.com/ | sh\n\nClient:%s\nServer:%s", + client_ver, server_ver) + exit(-1) + + if(client_ver != server_ver): + logger.warn("\n\nVersion mismatch, may cause unpredictable " + "errors, you can update or install the lastest " + "docker for both host and container as below:\nwget " + "-qO- https://get.docker.com/ | " + "sh\n\nClient:%s\nServer:%s", client_ver, server_ver) -- cgit 1.2.3-korg