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41 lines
1.6 KiB
41 lines
1.6 KiB
2 years ago
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From 0a9c628d9edd67af7b6f20d034be85c1c552a512 Mon Sep 17 00:00:00 2001
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From: Miroslav Rezanina <mrezanin@redhat.com>
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Date: Tue, 24 May 2022 04:10:46 -0400
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Subject: Implement restart_if for RedHat OS
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Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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azurelinuxagent/common/osutil/redhat.py | 18 ++++++++++++++++++
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1 file changed, 18 insertions(+)
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diff --git a/azurelinuxagent/common/osutil/redhat.py b/azurelinuxagent/common/osutil/redhat.py
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index 9759d113..a02647cd 100644
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--- a/azurelinuxagent/common/osutil/redhat.py
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+++ b/azurelinuxagent/common/osutil/redhat.py
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@@ -142,3 +142,21 @@ class RedhatOSUtil(Redhat6xOSUtil):
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endpoint = self.get_endpoint_from_leases_path('/var/lib/NetworkManager/dhclient-*.lease')
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return endpoint
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+
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+ def restart_if(self, ifname, retries=3, wait=5):
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+ """
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+ Restart an interface by bouncing the link.
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+ """
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+ retry_limit=retries+1
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+ for attempt in range(1, retry_limit):
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+ try:
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+ shellutil.run_command(["ip", "link", "set", ifname, "down"])
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+ shellutil.run_command(["ip", "link", "set", ifname, "up"])
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+
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+ except shellutil.CommandError as cmd_err:
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+ logger.warn("failed to restart {0}: return code {1}".format(ifname, cmd_err.returncode))
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+ if attempt < retry_limit:
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+ logger.info("retrying in {0} seconds".format(wait))
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+ time.sleep(wait)
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+ else:
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+ logger.warn("exceeded restart retries")
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--
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2.31.1
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