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From 647841dea9d93922779a4aa7d0b5f52f5bc2b4e9 Mon Sep 17 00:00:00 2001
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From: Dan Kenigsberg <danken@redhat.com>
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Date: Thu, 13 Jan 2022 14:57:26 +0200
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Subject: [PATCH] fence_kubevirt: take default namespace from context
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If --namespace is not provided to kubectl, a default one is taken from
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kubeconfig context. Let fence_kubevirt behave similarly.
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Signed-off-by: Dan Kenigsberg <danken@redhat.com>
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---
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agents/kubevirt/fence_kubevirt.py | 24 +++++++++++++-----------
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2 files changed, 14 insertions(+), 12 deletions(-)
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diff --git a/agents/kubevirt/fence_kubevirt.py b/agents/kubevirt/fence_kubevirt.py
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index 8392b75a0..8c27a0334 100755
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--- a/agents/kubevirt/fence_kubevirt.py
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+++ b/agents/kubevirt/fence_kubevirt.py
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@@ -12,12 +12,21 @@
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except ImportError:
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logging.error("Couldn\'t import kubernetes.client.exceptions.ApiException - not found or not accessible")
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+def _get_namespace(options):
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+ from kubernetes import config
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+
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+ ns = options.get("--namespace")
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+ if ns is None:
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+ ns = config.kube_config.list_kube_config_contexts()[1]['context']['namespace']
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+
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+ return ns
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+
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def get_nodes_list(conn, options):
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logging.debug("Starting list/monitor operation")
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result = {}
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try:
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apiversion = options.get("--apiversion")
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- namespace = options.get("--namespace")
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+ namespace = _get_namespace(options)
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include_uninitialized = True
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vm_api = conn.resources.get(api_version=apiversion, kind='VirtualMachine')
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vm_list = vm_api.get(namespace=namespace)
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@@ -31,7 +40,7 @@ def get_power_status(conn, options):
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logging.debug("Starting get status operation")
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try:
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apiversion = options.get("--apiversion")
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- namespace = options.get("--namespace")
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+ namespace = _get_namespace(options)
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name = options.get("--plug")
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vmi_api = conn.resources.get(api_version=apiversion,
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kind='VirtualMachineInstance')
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@@ -61,7 +70,7 @@ def set_power_status(conn, options):
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logging.debug("Starting set status operation")
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try:
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apiversion= options.get("--apiversion")
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- namespace = options.get("--namespace")
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+ namespace = _get_namespace(options)
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name = options.get("--plug")
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action = 'start' if options["--action"] == "on" else 'stop'
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virtctl_vm_action(conn, action, namespace, name, apiversion)
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@@ -75,7 +84,7 @@ def define_new_opts():
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"longopt" : "namespace",
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"help" : "--namespace=[namespace] Namespace of the KubeVirt machine",
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"shortdesc" : "Namespace of the KubeVirt machine.",
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- "required" : "1",
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+ "required" : "0",
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"order" : 2
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}
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all_opt["kubeconfig"] = {
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@@ -101,11 +110,6 @@ def virtctl_vm_action(conn, action, namespace, name, apiversion):
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path = path.format(api_version=apiversion, namespace=namespace, name=name, action=action)
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return conn.request('put', path, header_params={'accept': '*/*'})
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-def validate_options(required_options_list, options):
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- for required_option in required_options_list:
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- if required_option not in options:
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- fail_usage("Failed: %s option must be provided" % required_option)
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-
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# Main agent method
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def main():
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conn = None
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@@ -127,8 +131,6 @@ def main():
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run_delay(options)
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- validate_options(['--namespace'], options)
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-
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# Disable insecure-certificate-warning message
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if "--ssl-insecure" in options:
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import urllib3
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