Merge "Add support for application patch dependencies"
This commit is contained in:
Zuul
Gerrit Code Review
commit
5edab5cf8b
@ -31,6 +31,9 @@ function _swpatch()
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upload-dir
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what-requires
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drop-host
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is-applied
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report-app-dependencies
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query-app-dependencies
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"
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if [ -f /etc/platform/.initial_config_complete ]; then
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# Post-config, so the host-install commands are accessible
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@ -48,12 +51,18 @@ function _swpatch()
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# Complete the arguments to the subcommands.
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#
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case "$subcommand" in
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apply|remove|delete|show|what-requires)
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apply|delete|show|what-requires|is-applied)
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# Query the list of known patches
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local patches=$(sw-patch completion patches 2>/dev/null)
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COMPREPLY=( $(compgen -W "${patches}" -- ${cur}) )
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return 0
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;;
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remove)
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# Query the list of known patches
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local patches=$(sw-patch completion patches 2>/dev/null)
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COMPREPLY=( $(compgen -W "--skipappcheck ${patches}" -- ${cur}) )
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return 0
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;;
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host-install|host-install-async|drop-host)
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if [ "${prev}" = "${subcommand}" -o "${prev}" = "--force" ]; then
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# Query the list of known hosts
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@ -109,6 +118,20 @@ function _swpatch()
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fi
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return 0
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;;
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report-app-dependencies)
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if [ "${prev}" = "${subcommand}" ]; then
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COMPREPLY=( $(compgen -W "--app" -- ${cur}) )
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elif [ "${prev}" = "--app" ]; then
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COMPREPLY=
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else
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local patches=$(sw-patch completion patches 2>/dev/null)
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COMPREPLY=( $(compgen -W "${patches}" -- ${cur}) )
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fi
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return 0
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;;
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query-app-dependencies)
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return 0
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;;
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*)
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;;
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esac
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@ -1,5 +1,5 @@
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"""
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Copyright (c) 2014-2017 Wind River Systems, Inc.
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Copyright (c) 2014-2019 Wind River Systems, Inc.
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SPDX-License-Identifier: Apache-2.0
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@ -258,6 +258,25 @@ class PatchAPIController(object):
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return result
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@expose('json')
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def is_applied(self, *args):
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return pc.is_applied(list(args))
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@expose('json')
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def report_app_dependencies(self, *args, **kwargs):
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try:
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result = pc.report_app_dependencies(list(args), **kwargs)
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except PatchError as e:
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return dict(status=500, error=e.message)
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pc.patch_sync()
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return result
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@expose('json')
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def query_app_dependencies(self):
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return pc.query_app_dependencies()
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class RootController(object):
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@ -1,5 +1,5 @@
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"""
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Copyright (c) 2015-2017 Wind River Systems, Inc.
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Copyright (c) 2015-2019 Wind River Systems, Inc.
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SPDX-License-Identifier: Apache-2.0
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@ -20,6 +20,8 @@ PATCH_AGENT_STATE_INSTALLING = "installing"
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PATCH_AGENT_STATE_INSTALL_FAILED = "install-failed"
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PATCH_AGENT_STATE_INSTALL_REJECTED = "install-rejected"
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PATCH_STORAGE_DIR = "/opt/patching"
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ADDRESS_VERSION_IPV4 = 4
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ADDRESS_VERSION_IPV6 = 6
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CONTROLLER_FLOATING_HOSTNAME = "controller"
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@ -45,3 +45,8 @@ class PatchValidationFailure(PatchError):
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class PatchMismatchFailure(PatchError):
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"""Patch validation error."""
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pass
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class PatchInvalidRequest(PatchError):
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"""Invalid API request."""
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pass
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@ -60,6 +60,13 @@ help_install_local = "Trigger patch install/remove on the local host. " + \
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help_drop_host = "Drop specified host from table."
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help_query_dependencies = "List dependencies for specified patch. Use " + \
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constants.CLI_OPT_RECURSIVE + " for recursive query."
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help_is_applied = "Query Applied state for list of patches. " + \
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"Returns True if all are Applied, False otherwise."
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help_report_app_dependencies = "Report application patch dependencies, " + \
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"specifying application name with --app option, plus a list of patches. " + \
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"Reported dependencies can be dropped by specifying app with no patch list."
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help_query_app_dependencies = "Display set of reported application patch " + \
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"dependencies."
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help_commit = "Commit patches to free disk space. WARNING: This action " + \
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"is irreversible!"
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help_region_name = "Send the request to a specified region"
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@ -132,6 +139,15 @@ def print_help():
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print(textwrap.fill(" {0:<15} ".format("query-dependencies:") + help_query_dependencies,
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width=TERM_WIDTH, subsequent_indent=' ' * 20))
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print("")
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print(textwrap.fill(" {0:<15} ".format("is-applied:") + help_is_applied,
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width=TERM_WIDTH, subsequent_indent=' ' * 20))
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print("")
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print(textwrap.fill(" {0:<15} ".format("report-app-dependencies:") + help_report_app_dependencies,
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width=TERM_WIDTH, subsequent_indent=' ' * 20))
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print("")
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print(textwrap.fill(" {0:<15} ".format("query-app-dependencies:") + help_query_app_dependencies,
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width=TERM_WIDTH, subsequent_indent=' ' * 20))
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print("")
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print(textwrap.fill(" {0:<15} ".format("commit:") + help_commit,
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width=TERM_WIDTH, subsequent_indent=' ' * 20))
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print("")
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@ -433,14 +449,14 @@ def patch_apply_req(debug, args):
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def patch_remove_req(debug, args):
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extra_opts = ""
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if len(args) == 0:
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print_help()
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# Ignore interrupts during this function
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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extra_opts = []
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# The removeunremovable option is hidden and should not be added to help
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# text or customer documentation. It is for emergency use only - under
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# supervision of the design team.
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@ -450,12 +466,25 @@ def patch_remove_req(debug, args):
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# Get rid of the --removeunremovable
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args.pop(idx)
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# Format the extra opts
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extra_opts = "?removeunremovable=yes"
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# Append the extra opts
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extra_opts.append('removeunremovable=yes')
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if "--skipappcheck" in args:
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idx = args.index("--skipappcheck")
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# Get rid of the --skipappcheck
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args.pop(idx)
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# Append the extra opts
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extra_opts.append("skipappcheck=yes")
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if len(extra_opts) == 0:
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extra_opts_str = ''
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else:
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extra_opts_str = '?%s' % '&'.join(extra_opts)
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patches = "/".join(args)
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url = "http://%s/patch/remove/%s%s" % (api_addr, patches, extra_opts)
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url = "http://%s/patch/remove/%s%s" % (api_addr, patches, extra_opts_str)
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headers = {}
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append_auth_token_if_required(headers)
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@ -1097,6 +1126,103 @@ def patch_del_release(debug, args):
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return check_rc(req)
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def patch_is_applied_req(args):
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if len(args) == 0:
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print_help()
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patches = "/".join(args)
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url = "http://%s/patch/is_applied/%s" % (api_addr, patches)
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headers = {}
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append_auth_token_if_required(headers)
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req = requests.post(url, headers=headers)
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rc = 1
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if req.status_code == 200:
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result = json.loads(req.text)
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print(result)
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if result is True:
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rc = 0
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elif req.status_code == 500:
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print("An internal error has occurred. Please check /var/log/patching.log for details")
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return rc
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def patch_report_app_dependencies_req(debug, args):
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if len(args) < 2:
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print_help()
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extra_opts = []
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if "--app" in args:
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idx = args.index("--app")
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# Get rid of the --app and get the app name
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args.pop(idx)
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app = args.pop(idx)
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# Append the extra opts
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extra_opts.append("app=%s" % app)
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else:
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print("Application name must be specified with --app argument.")
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return 1
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extra_opts_str = '?%s' % '&'.join(extra_opts)
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patches = "/".join(args)
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url = "http://%s/patch/report_app_dependencies/%s%s" % (api_addr, patches, extra_opts_str)
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headers = {}
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append_auth_token_if_required(headers)
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req = requests.post(url, headers=headers)
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if req.status_code == 200:
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return 0
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else:
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return 1
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def patch_query_app_dependencies_req():
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url = "http://%s/patch/query_app_dependencies" % api_addr
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headers = {}
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append_auth_token_if_required(headers)
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req = requests.post(url, headers=headers)
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if req.status_code == 200:
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data = json.loads(req.text)
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if len(data) == 0:
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print("There are no application dependencies.")
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else:
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hdr_app = "Application"
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hdr_list = "Required Patches"
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width_app = len(hdr_app)
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width_list = len(hdr_list)
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for app, patch_list in data.items():
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width_app = max(width_app, len(app))
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width_list = max(width_list, len(', '.join(patch_list)))
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print("{0:<{width_app}} {1:<{width_list}}".format(
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hdr_app, hdr_list,
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width_app=width_app, width_list=width_list))
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print("{0} {1}".format(
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'=' * width_app, '=' * width_list))
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for app, patch_list in sorted(data.items()):
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print("{0:<{width_app}} {1:<{width_list}}".format(
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app, ', '.join(patch_list),
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width_app=width_app, width_list=width_list))
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return 0
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else:
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print("An internal error has occurred. Please check /var/log/patching.log for details")
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return 1
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def completion_opts(args):
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if len(args) != 1:
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return 1
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@ -1306,6 +1432,12 @@ def main():
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rc = patch_init_release(debug, sys.argv[2:])
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elif action == "del-release":
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rc = patch_del_release(debug, sys.argv[2:])
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elif action == "is-applied":
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rc = patch_is_applied_req(sys.argv[2:])
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elif action == "report-app-dependencies":
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rc = patch_report_app_dependencies_req(debug, sys.argv[2:])
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elif action == "query-app-dependencies":
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rc = patch_query_app_dependencies_req()
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elif action == "completion":
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rc = completion_opts(sys.argv[2:])
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else:
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@ -5,6 +5,7 @@ SPDX-License-Identifier: Apache-2.0
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"""
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import shutil
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import tempfile
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import threading
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import time
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import socket
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@ -36,6 +37,7 @@ from cgcs_patch.exceptions import MetadataFail
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from cgcs_patch.exceptions import RpmFail
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from cgcs_patch.exceptions import PatchError
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from cgcs_patch.exceptions import PatchFail
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from cgcs_patch.exceptions import PatchInvalidRequest
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from cgcs_patch.exceptions import PatchValidationFailure
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from cgcs_patch.exceptions import PatchMismatchFailure
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from cgcs_patch.patch_functions import LOG
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@ -58,7 +60,9 @@ CONF = oslo_cfg.CONF
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pidfile_path = "/var/run/patch_controller.pid"
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pc = None
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state_file = "/opt/patching/.controller.state"
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state_file = "%s/.controller.state" % constants.PATCH_STORAGE_DIR
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app_dependency_basename = "app_dependencies.json"
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app_dependency_filename = "%s/%s" % (constants.PATCH_STORAGE_DIR, app_dependency_basename)
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insvc_patch_restart_controller = "/run/patching/.restart.patch-controller"
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@ -581,6 +585,15 @@ class PatchController(PatchService):
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self.allow_insvc_patching = True
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if os.path.exists(app_dependency_filename):
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try:
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with open(app_dependency_filename, 'r') as f:
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self.app_dependencies = json.loads(f.read())
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except Exception:
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LOG.exception("Failed to read app dependencies: %s" % app_dependency_filename)
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else:
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self.app_dependencies = {}
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if os.path.isfile(state_file):
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self.read_state_file()
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else:
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@ -669,6 +682,16 @@ class PatchController(PatchService):
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self.patch_data.load_all()
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self.check_patch_states()
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self.hosts_lock.release()
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if os.path.exists(app_dependency_filename):
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try:
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with open(app_dependency_filename, 'r') as f:
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self.app_dependencies = json.loads(f.read())
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except Exception:
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LOG.exception("Failed to read app dependencies: %s" % app_dependency_filename)
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else:
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self.app_dependencies = {}
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self.patch_data_lock.release()
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return True
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@ -1221,6 +1244,24 @@ class PatchController(PatchService):
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return dict(info=msg_info, warning=msg_warning, error=msg_error)
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if kwargs.get("skipappcheck") != "yes":
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# Check application dependencies before removing
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required_patches = {}
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for patch_id in patch_list:
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for appname, iter_patch_list in self.app_dependencies.items():
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if patch_id in iter_patch_list:
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if patch_id not in required_patches:
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required_patches[patch_id] = []
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required_patches[patch_id].append(appname)
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if len(required_patches) > 0:
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for req_patch, app_list in required_patches.items():
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msg = "%s is required by application(s): %s" % (req_patch, ", ".join(sorted(app_list)))
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msg_error += msg + "\n"
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LOG.info(msg)
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return dict(info=msg_info, warning=msg_warning, error=msg_error)
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for patch_id in patch_list:
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msg = "Removing patch: %s" % patch_id
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LOG.info(msg)
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@ -2103,6 +2144,71 @@ class PatchController(PatchService):
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return dict(info=msg_info, warning=msg_warning, error=msg_error)
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def is_applied(self, patch_ids):
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all_applied = True
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self.patch_data_lock.acquire()
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for patch_id in patch_ids:
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if patch_id not in self.patch_data.metadata:
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all_applied = False
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break
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if self.patch_data.metadata[patch_id]["patchstate"] != constants.APPLIED:
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all_applied = False
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break
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self.patch_data_lock.release()
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return all_applied
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def report_app_dependencies(self, patch_ids, **kwargs):
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"""
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Handle report of application dependencies
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"""
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if "app" not in kwargs:
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raise PatchInvalidRequest
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appname = kwargs.get("app")
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LOG.info("Handling app dependencies report: app=%s, patch_ids=%s" %
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(appname, ','.join(patch_ids)))
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self.patch_data_lock.acquire()
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if len(patch_ids) == 0:
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if appname in self.app_dependencies:
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del self.app_dependencies[appname]
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else:
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self.app_dependencies[appname] = patch_ids
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try:
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tmpfile, tmpfname = tempfile.mkstemp(
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prefix=app_dependency_basename,
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dir=constants.PATCH_STORAGE_DIR)
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os.write(tmpfile, json.dumps(self.app_dependencies))
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os.close(tmpfile)
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os.rename(tmpfname, app_dependency_filename)
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except Exception:
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LOG.exception("Failed in report_app_dependencies")
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raise PatchFail("Internal failure")
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finally:
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self.patch_data_lock.release()
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def query_app_dependencies(self):
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"""
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Query application dependencies
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"""
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self.patch_data_lock.acquire()
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data = self.app_dependencies
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self.patch_data_lock.release()
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return dict(data)
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# The wsgiref.simple_server module has an error handler that catches
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# and prints any exceptions that occur during the API handling to stderr.
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@ -1,5 +1,5 @@
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"""
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Copyright (c) 2014-2018 Wind River Systems, Inc.
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Copyright (c) 2014-2019 Wind River Systems, Inc.
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SPDX-License-Identifier: Apache-2.0
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@ -38,7 +38,7 @@ except Exception:
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SW_VERSION = "unknown"
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# Constants
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patch_dir = "/opt/patching"
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patch_dir = constants.PATCH_STORAGE_DIR
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avail_dir = "%s/metadata/available" % patch_dir
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applied_dir = "%s/metadata/applied" % patch_dir
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committed_dir = "%s/metadata/committed" % patch_dir
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|
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