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resource-agents/SOURCES/4-gcp-vpc-move-route.patch
CentOS Sources 2512d4a118 import resource-agents-4.1.1-68.el8_3.1
2021-09-10 03:52:59 +00:00

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From 0ee4c62105ee8f90a43fe0bf8a65bc9b9da2e7e0 Mon Sep 17 00:00:00 2001
From: Helen Koike <helen.koike@collabora.com>
Date: Wed, 18 Jul 2018 11:54:40 -0300
Subject: [PATCH 1/4] gcp-vpc-move-route.in: python implementation of
gcp-vpc-move-ip.in
gcloud api is not reliable and it is slow, add a python version of
gcp-vpc-move-ip.in
---
configure.ac | 1 +
doc/man/Makefile.am | 1 +
heartbeat/Makefile.am | 1 +
heartbeat/gcp-vpc-move-route.in | 441 ++++++++++++++++++++++++++++++++++++++++
4 files changed, 444 insertions(+)
create mode 100644 heartbeat/gcp-vpc-move-route.in
diff --git a/configure.ac b/configure.ac
index 3d8f9ca74..039b4942c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -960,6 +960,7 @@ AC_CONFIG_FILES([heartbeat/eDir88], [chmod +x heartbeat/eDir88])
AC_CONFIG_FILES([heartbeat/fio], [chmod +x heartbeat/fio])
AC_CONFIG_FILES([heartbeat/gcp-vpc-move-ip], [chmod +x heartbeat/gcp-vpc-move-ip])
AC_CONFIG_FILES([heartbeat/gcp-vpc-move-vip], [chmod +x heartbeat/gcp-vpc-move-vip])
+AC_CONFIG_FILES([heartbeat/gcp-vpc-move-route], [chmod +x heartbeat/gcp-vpc-move-route])
AC_CONFIG_FILES([heartbeat/iSCSILogicalUnit], [chmod +x heartbeat/iSCSILogicalUnit])
AC_CONFIG_FILES([heartbeat/iSCSITarget], [chmod +x heartbeat/iSCSITarget])
AC_CONFIG_FILES([heartbeat/jira], [chmod +x heartbeat/jira])
diff --git a/doc/man/Makefile.am b/doc/man/Makefile.am
index e9eaf369f..3ac0569de 100644
--- a/doc/man/Makefile.am
+++ b/doc/man/Makefile.am
@@ -115,6 +115,7 @@ man_MANS = ocf_heartbeat_AoEtarget.7 \
ocf_heartbeat_garbd.7 \
ocf_heartbeat_gcp-vpc-move-ip.7 \
ocf_heartbeat_gcp-vpc-move-vip.7 \
+ ocf_heartbeat_gcp-vpc-move-route.7 \
ocf_heartbeat_iSCSILogicalUnit.7 \
ocf_heartbeat_iSCSITarget.7 \
ocf_heartbeat_iface-bridge.7 \
diff --git a/heartbeat/Makefile.am b/heartbeat/Makefile.am
index 36b271956..d4750bf09 100644
--- a/heartbeat/Makefile.am
+++ b/heartbeat/Makefile.am
@@ -112,6 +112,7 @@ ocf_SCRIPTS = AoEtarget \
garbd \
gcp-vpc-move-ip \
gcp-vpc-move-vip \
+ gcp-vpc-move-route \
iSCSILogicalUnit \
iSCSITarget \
ids \
diff --git a/heartbeat/gcp-vpc-move-route.in b/heartbeat/gcp-vpc-move-route.in
new file mode 100644
index 000000000..5f4569baa
--- /dev/null
+++ b/heartbeat/gcp-vpc-move-route.in
@@ -0,0 +1,441 @@
+#!@PYTHON@ -tt
+# - *- coding: utf- 8 - *-
+#
+#
+# OCF resource agent to move an IP address within a VPC in GCP
+#
+# License: GNU General Public License (GPL)
+# Copyright (c) 2018 Hervé Werner (MFG Labs)
+# Copyright 2018 Google Inc.
+# Based on code from Markus Guertler (aws-vpc-move-ip)
+# All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of version 2 of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# Further, this software is distributed without any warranty that it is
+# free of the rightful claim of any third person regarding infringement
+# or the like. Any license provided herein, whether implied or
+# otherwise, applies only to this software file. Patent licenses, if
+# any, provided herein do not apply to combinations of this program with
+# other software, or any other product whatsoever.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+#
+
+
+#######################################################################
+
+import atexit
+import logging
+import os
+import sys
+import time
+
+try:
+ import googleapiclient.discovery
+ import pyroute2
+except ImportError:
+ pass
+
+if sys.version_info >= (3, 0):
+ # Python 3 imports.
+ import urllib.parse as urlparse
+ import urllib.request as urlrequest
+else:
+ # Python 2 imports.
+ import urllib as urlparse
+ import urllib2 as urlrequest
+
+
+OCF_SUCCESS = 0
+OCF_ERR_GENERIC = 1
+OCF_ERR_UNIMPLEMENTED = 3
+OCF_ERR_PERM = 4
+OCF_ERR_CONFIGURED = 6
+OCF_NOT_RUNNING = 7
+GCP_API_URL_PREFIX = 'https://www.googleapis.com/compute/v1'
+METADATA_SERVER = 'http://metadata.google.internal/computeMetadata/v1/'
+METADATA_HEADERS = {'Metadata-Flavor': 'Google'}
+METADATA = \
+'''<?xml version="1.0"?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
+<resource-agent name="gcp-vpc-move-route">
+<version>1.0</version>
+<longdesc lang="en">
+Resource Agent that can move a floating IP addresse within a GCP VPC by changing an
+entry in the routing table. This agent also configures the floating IP locally
+on the instance OS.
+Requirements :
+- IP forwarding must be enabled on all instances in order to be able to
+terminate the route
+- The floating IP address must be choosen so that it is outside all existing
+subnets in the VPC network
+- IAM permissions
+(see https://cloud.google.com/compute/docs/access/iam-permissions) :
+1) compute.routes.delete, compute.routes.get and compute.routes.update on the
+route
+2) compute.networks.updatePolicy on the network (to add a new route)
+3) compute.networks.get on the network (to check the VPC network existence)
+4) compute.routes.list on the project (to check conflicting routes)
+</longdesc>
+<shortdesc lang="en">Move IP within a GCP VPC</shortdesc>
+
+<parameters>
+
+<parameter name="stackdriver_logging" unique="0" required="0">
+<longdesc lang="en">If enabled (set to true), IP failover logs will be posted to stackdriver logging</longdesc>
+<shortdesc lang="en">Stackdriver-logging support</shortdesc>
+<content type="boolean" default="" />
+</parameter>
+
+<parameter name="ip" unique="1" required="1">
+<longdesc lang="en">
+Floating IP address. Note that this IP must be chosen outside of all existing
+subnet ranges
+</longdesc>
+<shortdesc lang="en">Floating IP</shortdesc>
+<content type="string" />
+</parameter>
+
+<parameter name="vpc_network" required="1">
+<longdesc lang="en">
+Name of the VPC network
+</longdesc>
+<shortdesc lang="en">VPC network</shortdesc>
+<content type="string" default="${OCF_RESKEY_vpc_network_default}" />
+</parameter>
+
+<parameter name="interface">
+<longdesc lang="en">
+Name of the network interface
+</longdesc>
+<shortdesc lang="en">Network interface name</shortdesc>
+<content type="string" default="${OCF_RESKEY_interface_default}" />
+</parameter>
+
+<parameter name="route_name" unique="1">
+<longdesc lang="en">
+Route name
+</longdesc>
+<shortdesc lang="en">Route name</shortdesc>
+<content type="string" default="${OCF_RESKEY_route_name_default}" />
+</parameter>
+</parameters>
+
+<actions>
+<action name="start" timeout="180s" />
+<action name="stop" timeout="180s" />
+<action name="monitor" depth="0" timeout="30s" interval="60s" />
+<action name="validate-all" timeout="5s" />
+<action name="meta-data" timeout="5s" />
+</actions>
+</resource-agent>
+'''
+
+
+class Context(object):
+ __slots__ = 'conn', 'iface_idx', 'instance', 'instance_url', 'interface', \
+ 'ip', 'iproute', 'project', 'route_name', 'vpc_network', \
+ 'vpc_network_url', 'zone'
+
+
+def wait_for_operation(ctx, response):
+ """Blocks until operation completes.
+ Code from GitHub's GoogleCloudPlatform/python-docs-samples
+
+ Args:
+ response: dict, a request's response
+ """
+ def _OperationGetter(response):
+ operation = response[u'name']
+ if response.get(u'zone'):
+ return ctx.conn.zoneOperations().get(
+ project=ctx.project, zone=ctx.zone, operation=operation)
+ else:
+ return ctx.conn.globalOperations().get(
+ project=ctx.project, operation=operation)
+
+ while True:
+ result = _OperationGetter(response).execute()
+
+ if result['status'] == 'DONE':
+ if 'error' in result:
+ raise Exception(result['error'])
+ return result
+
+ time.sleep(1)
+
+
+def get_metadata(metadata_key, params=None, timeout=None):
+ """Performs a GET request with the metadata headers.
+
+ Args:
+ metadata_key: string, the metadata to perform a GET request on.
+ params: dictionary, the query parameters in the GET request.
+ timeout: int, timeout in seconds for metadata requests.
+
+ Returns:
+ HTTP response from the GET request.
+
+ Raises:
+ urlerror.HTTPError: raises when the GET request fails.
+ """
+ timeout = timeout or 60
+ metadata_url = os.path.join(METADATA_SERVER, metadata_key)
+ params = urlparse.urlencode(params or {})
+ url = '%s?%s' % (metadata_url, params)
+ request = urlrequest.Request(url, headers=METADATA_HEADERS)
+ request_opener = urlrequest.build_opener(urlrequest.ProxyHandler({}))
+ return request_opener.open(request, timeout=timeout * 1.1).read()
+
+
+def validate(ctx):
+ if os.geteuid() != 0:
+ logging.error('You must run this agent as root')
+ sys.exit(OCF_ERR_PERM)
+
+ try:
+ ctx.conn = googleapiclient.discovery.build('compute', 'v1')
+ except Exception as e:
+ logging.error('Couldn\'t connect with google api: ' + str(e))
+ sys.exit(OCF_ERR_CONFIGURED)
+
+ ctx.ip = os.environ.get('OCF_RESKEY_ip')
+ if not ctx.ip:
+ logging.error('Missing ip parameter')
+ sys.exit(OCF_ERR_CONFIGURED)
+
+ try:
+ ctx.instance = get_metadata('instance/name')
+ ctx.zone = get_metadata('instance/zone').split('/')[-1]
+ ctx.project = get_metadata('project/project-id')
+ except Exception as e:
+ logging.error(
+ 'Instance information not found. Is this a GCE instance ?: %s', str(e))
+ sys.exit(OCF_ERR_CONFIGURED)
+
+ ctx.instance_url = '%s/projects/%s/zones/%s/instances/%s' % (
+ GCP_API_URL_PREFIX, ctx.project, ctx.zone, ctx.instance)
+ ctx.vpc_network = os.environ.get('OCF_RESKEY_vpc_network', 'default')
+ ctx.vpc_network_url = '%s/projects/%s/global/networks/%s' % (
+ GCP_API_URL_PREFIX, ctx.project, ctx.vpc_network)
+ ctx.interface = os.environ.get('OCF_RESKEY_interface', 'eth0')
+ ctx.route_name = os.environ.get(
+ 'OCF_RESKEY_route_name', 'ra-%s' % os.environ['__SCRIPT_NAME'])
+ ctx.iproute = pyroute2.IPRoute()
+ atexit.register(ctx.iproute.close)
+ idxs = ctx.iproute.link_lookup(ifname=ctx.interface)
+ if not idxs:
+ logging.error('Network interface not found')
+ sys.exit(OCF_ERR_CONFIGURED)
+ ctx.iface_idx = idxs[0]
+
+
+def check_conflicting_routes(ctx):
+ fl = '(destRange = "%s*") AND (network = "%s") AND (name != "%s")' % (
+ ctx.ip, ctx.vpc_network_url, ctx.route_name)
+ request = ctx.conn.routes().list(project=ctx.project, filter=fl)
+ response = request.execute()
+ route_list = response.get('items', None)
+ if route_list:
+ logging.error(
+ 'Conflicting unnmanaged routes for destination %s/32 in VPC %s found : %s',
+ ctx.ip, ctx.vpc_network, str(route_list))
+ sys.exit(OCF_ERR_CONFIGURED)
+
+
+def route_release(ctx):
+ request = ctx.conn.routes().delete(project=ctx.project, route=ctx.route_name)
+ wait_for_operation(ctx, request.execute())
+
+
+def ip_monitor(ctx):
+ logging.info('IP monitor: checking local network configuration')
+
+ def address_filter(addr):
+ for attr in addr['attrs']:
+ if attr[0] == 'IFA_LOCAL':
+ if attr[1] == ctx.ip:
+ return True
+ else:
+ return False
+
+ route = ctx.iproute.get_addr(
+ index=ctx.iface_idx, match=address_filter)
+ if not route:
+ logging.warn(
+ 'The floating IP %s is not locally configured on this instance (%s)',
+ ctx.ip, ctx.instance)
+ return OCF_NOT_RUNNING
+
+ logging.debug(
+ 'The floating IP %s is correctly configured on this instance (%s)',
+ ctx.ip, ctx.instance)
+ return OCF_SUCCESS
+
+
+def ip_release(ctx):
+ ctx.iproute.addr('del', index=ctx.iface_idx, address=ctx.ip, mask=32)
+
+
+def ip_and_route_start(ctx):
+ logging.info('Bringing up the floating IP %s', ctx.ip)
+
+ # Add a new entry in the routing table
+ # If the route entry exists and is pointing to another instance, take it over
+
+ # Ensure that there is no route that we are not aware of that is also handling our IP
+ check_conflicting_routes(ctx)
+
+ # There is no replace API, We need to first delete the existing route if any
+ try:
+ request = ctx.conn.routes().get(project=ctx.project, route=ctx.route_name)
+ request.execute()
+ # TODO: check specific exception for 404
+ except googleapiclient.errors.HttpError as e:
+ if e.resp.status != 404:
+ raise
+ else:
+ route_release(ctx)
+
+ route_body = {
+ 'name': ctx.route_name,
+ 'network': ctx.vpc_network_url,
+ 'destRange': '%s/32' % ctx.ip,
+ 'nextHopInstance': ctx.instance_url,
+ }
+ try:
+ request = ctx.conn.routes().insert(project=ctx.project, body=route_body)
+ wait_for_operation(ctx, request.execute())
+ except googleapiclient.errors.HttpError:
+ try:
+ request = ctx.conn.networks().get(
+ project=ctx.project, network=ctx.vpc_network)
+ request.execute()
+ except googleapiclient.errors.HttpError as e:
+ if e.resp.status == 404:
+ logging.error('VPC network not found')
+ sys.exit(OCF_ERR_CONFIGURED)
+ else:
+ raise
+ else:
+ raise
+
+ # Configure the IP address locally
+ # We need to release the IP first
+ if ip_monitor(ctx) == OCF_SUCCESS:
+ ip_release(ctx)
+
+ ctx.iproute.addr('add', index=ctx.iface_idx, address=ctx.ip, mask=32)
+ ctx.iproute.link('set', index=ctx.iface_idx, state='up')
+ logging.info('Successfully brought up the floating IP %s', ctx.ip)
+
+
+def route_monitor(ctx):
+ logging.info('GCP route monitor: checking route table')
+
+ # Ensure that there is no route that we are not aware of that is also handling our IP
+ check_conflicting_routes
+
+ try:
+ request = ctx.conn.routes().get(project=ctx.project, route=ctx.route_name)
+ response = request.execute()
+ except googleapiclient.errors.HttpError as e:
+ if 'Insufficient Permission' in e.content:
+ return OCF_ERR_PERM
+ elif e.resp.status == 404:
+ return OCF_NOT_RUNNING
+ else:
+ raise
+
+ routed_to_instance = response.get('nextHopInstance', '<unknown>')
+ instance_url = '%s/projects/%s/zones/%s/instances/%s' % (
+ GCP_API_URL_PREFIX, ctx.project, ctx.zone, ctx.instance)
+ if routed_to_instance != instance_url:
+ logging.warn(
+ 'The floating IP %s is not routed to this instance (%s) but to instance %s',
+ ctx.ip, ctx.instance, routed_to_instance.split('/')[-1])
+ return OCF_NOT_RUNNING
+
+ logging.debug(
+ 'The floating IP %s is correctly routed to this instance (%s)',
+ ctx.ip, ctx.instance)
+ return OCF_SUCCESS
+
+
+def ip_and_route_stop(ctx):
+ logging.info('Bringing down the floating IP %s', ctx.ip)
+
+ # Delete the route entry
+ # If the route entry exists and is pointing to another instance, don't touch it
+ if route_monitor(ctx) == OCF_NOT_RUNNING:
+ logging.info(
+ 'The floating IP %s is already not routed to this instance (%s)',
+ ctx.ip, ctx.instance)
+ else:
+ route_release(ctx)
+
+ if ip_monitor(ctx) == OCF_NOT_RUNNING:
+ logging.info('The floating IP %s is already down', ctx.ip)
+ else:
+ ip_release(ctx)
+
+
+def configure_logs(ctx):
+ # Prepare logging
+ logging.basicConfig(
+ format='gcp:route - %(levelname)s - %(message)s', level=logging.INFO)
+ logging.getLogger('googleapiclient').setLevel(logging.WARN)
+ logging_env = os.environ.get('OCF_RESKEY_stackdriver_logging')
+ if logging_env:
+ logging_env = logging_env.lower()
+ if any(x in logging_env for x in ['yes', 'true', 'enabled']):
+ try:
+ import google.cloud.logging.handlers
+ client = google.cloud.logging.Client()
+ handler = google.cloud.logging.handlers.CloudLoggingHandler(
+ client, name=ctx.instance)
+ handler.setLevel(logging.INFO)
+ formatter = logging.Formatter('gcp:route "%(message)s"')
+ handler.setFormatter(formatter)
+ root_logger = logging.getLogger()
+ root_logger.addHandler(handler)
+ except ImportError:
+ logging.error('Couldn\'t import google.cloud.logging, '
+ 'disabling Stackdriver-logging support')
+
+
+def main():
+ if 'meta-data' in sys.argv[1]:
+ print(METADATA)
+ return
+
+ ctx = Context()
+
+ validate(ctx)
+ if 'validate-all' in sys.argv[1]:
+ return
+
+ configure_logs(ctx)
+ if 'start' in sys.argv[1]:
+ ip_and_route_start(ctx)
+ elif 'stop' in sys.argv[1]:
+ ip_and_route_stop(ctx)
+ elif 'status' in sys.argv[1] or 'monitor' in sys.argv[1]:
+ sys.exit(ip_monitor(ctx))
+ else:
+ usage = 'usage: $0 {start|stop|monitor|status|meta-data|validate-all}'
+ logging.error(usage)
+ sys.exit(OCF_ERR_UNIMPLEMENTED)
+
+
+if __name__ == "__main__":
+ main()
From 6590c99f462403808854114ec1031755e5ce6b36 Mon Sep 17 00:00:00 2001
From: Helen Koike <helen.koike@collabora.com>
Date: Thu, 19 Jul 2018 12:33:44 -0300
Subject: [PATCH 2/4] gcp-vpc-move-ip.in: add deprecation message
---
heartbeat/gcp-vpc-move-ip.in | 2 ++
1 file changed, 2 insertions(+)
diff --git a/heartbeat/gcp-vpc-move-ip.in b/heartbeat/gcp-vpc-move-ip.in
index 4a6c343a8..3b8d998b3 100755
--- a/heartbeat/gcp-vpc-move-ip.in
+++ b/heartbeat/gcp-vpc-move-ip.in
@@ -348,6 +348,8 @@ ip_and_route_stop() {
#
###############################################################################
+ocf_log warn "gcp-vpc-move-ip is deprecated, prefer to use gcp-vpc-move-route instead"
+
case $__OCF_ACTION in
meta-data) metadata
exit $OCF_SUCCESS
From 73608196d21068c6c2d5fb9f77e3d40179c85fee Mon Sep 17 00:00:00 2001
From: Helen Koike <helen.koike@collabora.com>
Date: Fri, 20 Jul 2018 08:26:17 -0300
Subject: [PATCH 3/4] gcp-vpc-move-route.in: move stackdriver parameter
Move stackdriver parameter to the bottom of metadata list
---
heartbeat/gcp-vpc-move-route.in | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/heartbeat/gcp-vpc-move-route.in b/heartbeat/gcp-vpc-move-route.in
index 5f4569baa..8d5bfff36 100644
--- a/heartbeat/gcp-vpc-move-route.in
+++ b/heartbeat/gcp-vpc-move-route.in
@@ -90,12 +90,6 @@ route
<parameters>
-<parameter name="stackdriver_logging" unique="0" required="0">
-<longdesc lang="en">If enabled (set to true), IP failover logs will be posted to stackdriver logging</longdesc>
-<shortdesc lang="en">Stackdriver-logging support</shortdesc>
-<content type="boolean" default="" />
-</parameter>
-
<parameter name="ip" unique="1" required="1">
<longdesc lang="en">
Floating IP address. Note that this IP must be chosen outside of all existing
@@ -128,6 +122,12 @@ Route name
<shortdesc lang="en">Route name</shortdesc>
<content type="string" default="${OCF_RESKEY_route_name_default}" />
</parameter>
+
+<parameter name="stackdriver_logging" unique="0" required="0">
+<longdesc lang="en">If enabled (set to true), IP failover logs will be posted to stackdriver logging</longdesc>
+<shortdesc lang="en">Stackdriver-logging support</shortdesc>
+<content type="boolean" default="" />
+</parameter>
</parameters>
<actions>
From e54565ec69f809b28337c0471ad0a9b26a64f8bf Mon Sep 17 00:00:00 2001
From: Helen Koike <helen.koike@collabora.com>
Date: Fri, 20 Jul 2018 08:45:53 -0300
Subject: [PATCH 4/4] gcp-vpc-move-route.in: minor fixes
---
heartbeat/gcp-vpc-move-route.in | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/heartbeat/gcp-vpc-move-route.in b/heartbeat/gcp-vpc-move-route.in
index 8d5bfff36..566a70f86 100644
--- a/heartbeat/gcp-vpc-move-route.in
+++ b/heartbeat/gcp-vpc-move-route.in
@@ -104,7 +104,7 @@ subnet ranges
Name of the VPC network
</longdesc>
<shortdesc lang="en">VPC network</shortdesc>
-<content type="string" default="${OCF_RESKEY_vpc_network_default}" />
+<content type="string" default="default" />
</parameter>
<parameter name="interface">
@@ -112,7 +112,7 @@ Name of the VPC network
Name of the network interface
</longdesc>
<shortdesc lang="en">Network interface name</shortdesc>
-<content type="string" default="${OCF_RESKEY_interface_default}" />
+<content type="string" default="eth0" />
</parameter>
<parameter name="route_name" unique="1">
@@ -120,7 +120,7 @@ Name of the network interface
Route name
</longdesc>
<shortdesc lang="en">Route name</shortdesc>
-<content type="string" default="${OCF_RESKEY_route_name_default}" />
+<content type="string" default="ra-%s" />
</parameter>
<parameter name="stackdriver_logging" unique="0" required="0">
@@ -138,7 +138,7 @@ Route name
<action name="meta-data" timeout="5s" />
</actions>
</resource-agent>
-'''
+''' % os.path.basename(sys.argv[0])
class Context(object):
@@ -229,7 +229,7 @@ def validate(ctx):
GCP_API_URL_PREFIX, ctx.project, ctx.vpc_network)
ctx.interface = os.environ.get('OCF_RESKEY_interface', 'eth0')
ctx.route_name = os.environ.get(
- 'OCF_RESKEY_route_name', 'ra-%s' % os.environ['__SCRIPT_NAME'])
+ 'OCF_RESKEY_route_name', 'ra-%s' % os.path.basename(sys.argv[0]))
ctx.iproute = pyroute2.IPRoute()
atexit.register(ctx.iproute.close)
idxs = ctx.iproute.link_lookup(ifname=ctx.interface)
@@ -432,7 +432,8 @@ def main():
elif 'status' in sys.argv[1] or 'monitor' in sys.argv[1]:
sys.exit(ip_monitor(ctx))
else:
- usage = 'usage: $0 {start|stop|monitor|status|meta-data|validate-all}'
+ usage = 'usage: %s {start|stop|monitor|status|meta-data|validate-all}' % \
+ os.path.basename(sys.argv[0])
logging.error(usage)
sys.exit(OCF_ERR_UNIMPLEMENTED)
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