Blame SOURCES/bz1977588-2-fence_kubevirt.patch

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diff --color -uNr a/agents/kubevirt/fence_kubevirt.py b/agents/kubevirt/fence_kubevirt.py
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--- a/agents/kubevirt/fence_kubevirt.py	1970-01-01 01:00:00.000000000 +0100
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+++ b/agents/kubevirt/fence_kubevirt.py	2021-10-25 13:25:59.904501348 +0200
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@@ -0,0 +1,140 @@
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+#!@PYTHON@ -tt
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+
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+import sys
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+import logging
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+sys.path.append("@FENCEAGENTSLIBDIR@")
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+from fencing import *
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+from fencing import fail, fail_usage, run_delay, EC_STATUS
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+
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+try:
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+    sys.path.insert(0, '/usr/lib/fence-agents/bundled/kubevirt')
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+    from kubernetes.client.exceptions import ApiException
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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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+
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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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+        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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+        for vm in vm_list.items:
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+            result[vm.metadata.name] = ("", None)
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+    except Exception as e:
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+        logging.error("Exception when calling VirtualMachine list: %s", e)
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+    return result
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+
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+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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+        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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+        vmi = vmi_api.get(name=name, namespace=namespace)
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+        if vmi is not None:
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+            phase = vmi.status.phase
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+            if phase == "Running":
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+                return "on"
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+        return "off"
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+    except ApiException as e:
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+        if e.status == 404:
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+            return "off"
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+        logging.error("Failed to get power status, with API Exception: %s", e)
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+        fail(EC_STATUS)
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+    except Exception as e:
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+        logging.error("Failed to get power status, with Exception: %s", e)
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+        fail(EC_STATUS)
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+
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+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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+        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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+    except Exception as e:
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+        logging.error("Failed to set power status, with Exception: %s", e)
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+        fail(EC_STATUS)
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+
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+def define_new_opts():
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+    all_opt["namespace"] = {
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+        "getopt" : ":",
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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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+        "order" : 2
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+    }
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+    all_opt["kubeconfig"] = {
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+        "getopt" : ":",
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+        "longopt" : "kubeconfig",
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+        "help" : "--kubeconfig=[kubeconfig]      Kubeconfig file path",
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+        "shortdesc": "Kubeconfig file path",
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+        "required": "0",
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+        "order": 4
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+    }
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+    all_opt["apiversion"] = {
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+        "getopt" : ":",
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+        "longopt" : "apiversion",
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+        "help" : "--apiversion=[apiversion]      Version of the KubeVirt API",
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+        "shortdesc" : "Version of the KubeVirt API.",
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+        "required" : "0",
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+        "default" : "kubevirt.io/v1",
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+        "order" : 5
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+    }
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+
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+def virtctl_vm_action(conn, action, namespace, name, apiversion):
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+    path = '/apis/subresources.{api_version}/namespaces/{namespace}/virtualmachines/{name}/{action}'
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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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+
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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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+
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+    device_opt = ["port", "namespace", "kubeconfig", "ssl_insecure", "no_password", "apiversion"]
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+    define_new_opts()
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+    options = check_input(device_opt, process_input(device_opt))
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+
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+    docs = {}
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+    docs["shortdesc"] = "Fence agent for KubeVirt"
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+    docs["longdesc"] = "fence_kubevirt is an I/O Fencing agent for KubeVirt."
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+    docs["vendorurl"] = "https://kubevirt.io/"
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+    show_docs(options, docs)
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+
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+    run_delay(options)
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+
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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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+        urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
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+
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+    try:
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+        from kubernetes import config
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+        from openshift.dynamic import DynamicClient
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+        kubeconfig = options.get('--kubeconfig')
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+        k8s_client = config.new_client_from_config(config_file=kubeconfig)
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+        conn = DynamicClient(k8s_client)
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+    except ImportError:
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+        logging.error("Couldn\'t import kubernetes.config or "
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+                      "openshift.dynamic.DynamicClient - not found or not accessible")
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+
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+    # Operate the fencing device
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+    result = fence_action(conn, options, set_power_status, get_power_status, get_nodes_list)
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+    sys.exit(result)
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+
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+if __name__ == "__main__":
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+	main()