本文整理汇总了Python中remote_helper.RemoteHelper.get_host_appscale_version方法的典型用法代码示例。如果您正苦于以下问题：Python RemoteHelper.get_host_appscale_version方法的具体用法？Python RemoteHelper.get_host_appscale_version怎么用？Python RemoteHelper.get_host_appscale_version使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类remote_helper.RemoteHelper的用法示例。
在下文中一共展示了RemoteHelper.get_host_appscale_version方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: upgrade
# 需要导入模块: from remote_helper import RemoteHelper [as 别名]
# 或者: from remote_helper.RemoteHelper import get_host_appscale_version [as 别名]
def upgrade(cls, options):
""" Upgrades the deployment to the latest AppScale version.
Args:
options: A Namespace that has fields for each parameter that can be
passed in via the command-line interface.
"""
node_layout = NodeLayout(options)
if not node_layout.is_valid():
raise BadConfigurationException("Your ips_layout is invalid:\n{}".format(node_layout.errors()))
latest_tools = APPSCALE_VERSION
try:
AppScaleLogger.log("Checking if an update is available for appscale-tools")
latest_tools = latest_tools_version()
except:
# Prompt the user if version metadata can't be fetched.
if not options.test:
response = raw_input(
"Unable to check for the latest version of appscale-tools. Would "
"you like to continue upgrading anyway? (y/N) "
)
if response.lower() not in ["y", "yes"]:
raise AppScaleException("Cancelled AppScale upgrade.")
if latest_tools > APPSCALE_VERSION:
raise AppScaleException(
"There is a newer version ({}) of appscale-tools available. Please "
"upgrade the tools package before running 'appscale upgrade'.".format(latest_tools)
)
master_ip = node_layout.head_node().public_ip
upgrade_version_available = cls.get_upgrade_version_available()
current_version = RemoteHelper.get_host_appscale_version(master_ip, options.keyname, options.verbose)
# Don't run bootstrap if current version is later that the most recent
# public one. Covers cases of revoked versions/tags and ensures we won't
# try to downgrade the code.
if current_version >= upgrade_version_available:
AppScaleLogger.log("AppScale is already up to date. Skipping code upgrade.")
AppScaleLogger.log("Running upgrade script to check if any other upgrades are needed.")
cls.shut_down_appscale_if_running(options)
cls.run_upgrade_script(options, node_layout)
return
cls.shut_down_appscale_if_running(options)
cls.upgrade_appscale(options, node_layout)