Revision d9b25288 snf-cyclades-gtools/synnefo/ganeti/eventd.py
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raise InvalidBackendStatus(status, job) |
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def get_instance_nics(instance, logger):
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"""Query Ganeti to a get the instance's NICs.
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def get_instance_attachments(instance, logger):
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"""Query Ganeti to a get the instance's attachments (NICs and Disks)
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Get instance's NICs from Ganeti configuration data. If running on master,
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query Ganeti via Ganeti CLI client. Otherwise, get the nics from Ganeti
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configuration file. |
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Get instance's attachments from Ganeti configuration data. If running on
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master, query Ganeti via Ganeti CLI client. Otherwise, get attachments
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straight from Ganeti's configuration file.
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@type instance: string |
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@param instance: the name of the instance |
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@rtype: List of dicts |
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@return: Dictionary containing the instance's NICs. Each dictionary |
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contains the following keys: 'network', 'ip', 'mac', 'mode', |
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'link' and 'firewall' |
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@rtype: instance's NICs and Disks |
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@return: Dictionary containing the 'nics' and 'disks' of the instance. |
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""" |
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try: |
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client = cli.GetClient() |
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fields = ["nic.names", "nic.networks.names", "nic.ips", "nic.macs", |
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"nic.modes", "nic.links", "tags"] |
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info = client.QueryInstances([instance], fields, use_locking=False) |
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names, networks, ips, macs, modes, links, tags = info[0] |
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nic_keys = ["name", "network", "ip", "mac", "mode", "link"] |
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nics = zip(names, networks, ips, macs, modes, links) |
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q_fields = ["nic.names", "nic.networks.names", "nic.ips", "nic.macs", |
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"nic.modes", "nic.links", "nic.uuids", "tags", |
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"disk.names", "disk.sizes", "disk.uuids"] |
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info = client.QueryInstances([instance], q_fields, use_locking=False) |
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# Parse NICs |
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names, networks, ips, macs, modes, links, uuids, tags = info[0][:-3] |
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nic_keys = ["name", "network", "ip", "mac", "mode", "link", "uuid"] |
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nics = zip(names, networks, ips, macs, modes, links, uuids) |
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nics = map(lambda x: dict(zip(nic_keys, x)), nics) |
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# Parse Disks |
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names, sizes, uuids = info[0][-3:] |
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disk_keys = ["name", "size", "uuid"] |
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disks = zip(names, sizes, uuids) |
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disks = map(lambda x: dict(zip(disk_keys, x)), disks) |
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except ganeti_errors.OpPrereqError: |
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# Not running on master! Load the conf file |
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raw_data = utils.ReadFile(pathutils.CLUSTER_CONF_FILE) |
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config = serializer.LoadJson(raw_data) |
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i = config["instances"][instance] |
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# Parse NICs |
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nics = [] |
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for nic in i["nics"]:
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for index, nic in enumerate(i["nics"]):
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params = nic.pop("nicparams")
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nic["mode"] = params["mode"] |
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nic["link"] = params["link"] |
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nic["index"] = index |
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nics.append(nic) |
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# Parse Disks |
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disks = [] |
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for index, disk in enumerate(i["disks"]): |
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disks.append({"name": disk.pop("name"),
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"size": disk["size"], |
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"uuid": disk["uuid"], |
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"index": index}) |
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tags = i.get("tags", [])
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# Get firewall from instance Tags |
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# Tags are of the form synnefo:network:N:firewall_mode |
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firewall = t[3] |
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[nic.setdefault("firewall", firewall)
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for nic in nics if nic["name"] == nic_name] |
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return nics |
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attachments = {"nics": nics,
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"disks": disks} |
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return attachments |
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class InvalidBackendStatus(Exception): |
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op.status == "success") or |
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(op_id == "OP_INSTANCE_SET_PARAMS" and |
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op.status in ["success", "error", "cancelled"])): |
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nics = get_instance_nics(msg["instance"], self.logger) |
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msg["instance_nics"] = nics |
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attachments = get_instance_attachments(msg["instance"], |
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self.logger) |
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msg["instance_nics"] = attachments["nics"] |
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msg["instance_disks"] = attachments["disks"] |
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routekey = "ganeti.%s.event.op" % prefix_from_name(instances) |
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