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From 020f48a309bcad659dc493960d2b39e8e1243085 Mon Sep 17 00:00:00 2001
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From: Thomas Abraham <tabraham@suse.com>
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Date: Mon, 20 Apr 2020 20:28:43 -0400
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Subject: [PATCH] fence_vmware_rest: improve exception handling in
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send_command()
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If an exception occurs, simply raise it. pycurl's perform() method can
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generate a pycurl.error object, which does not support indexing and
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attempting to do so will generate an exception that hides the original
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exception.
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Also, don't assume that the remote will return a JSON formatted response.
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If it doesn't, a exception will occur accessing result which will not
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raise the intended exception.
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---
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agents/vmware_rest/fence_vmware_rest.py | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/agents/vmware_rest/fence_vmware_rest.py b/agents/vmware_rest/fence_vmware_rest.py
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index d07bc10d..1505ffe6 100644
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--- a/agents/vmware_rest/fence_vmware_rest.py
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+++ b/agents/vmware_rest/fence_vmware_rest.py
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@@ -124,7 +124,7 @@ def send_command(conn, command, method="GET"):
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try:
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conn.perform()
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except Exception as e:
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- raise Exception(e[1])
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+ raise(e)
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rc = conn.getinfo(pycurl.HTTP_CODE)
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result = web_buffer.getvalue().decode("UTF-8")
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@@ -135,7 +135,11 @@ def send_command(conn, command, method="GET"):
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result = json.loads(result)
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if rc != 200:
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- raise Exception("{}: {}".format(rc, result["value"]["messages"][0]["default_message"]))
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+ if len(result) > 0:
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+ raise Exception("{}: {}".format(rc,
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+ result["value"]["messages"][0]["default_message"]))
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+ else:
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+ raise Exception("Remote returned {} for request to {}".format(rc, url))
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logging.debug("url: {}".format(url))
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logging.debug("method: {}".format(method))
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