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| author | Wesley Wiedenmeier <wesley.wiedenmeier@gmail.com> | 2016-03-18 01:38:27 -0500 |
|---|---|---|
| committer | Wesley Wiedenmeier <wesley.wiedenmeier@gmail.com> | 2016-03-18 01:38:27 -0500 |
| commit | 671493a26966b179ecc09ce222b987fbc5376fe2 (patch) | |
| tree | 9e1fe1dd8b4b147268d716b09cfca22a3bdd7df3 /cloudinit/sources/helpers/vmware/imc/guestcust_util.py | |
| parent | 16a44056eaa5cc36fd9f6b08fe3a6bb4700fe1e7 (diff) | |
| parent | 56402e91e95960f54a39eb18cbda391f00f95b6e (diff) | |
| download | vyos-cloud-init-671493a26966b179ecc09ce222b987fbc5376fe2.tar.gz vyos-cloud-init-671493a26966b179ecc09ce222b987fbc5376fe2.zip | |
Merge from trunk
Diffstat (limited to 'cloudinit/sources/helpers/vmware/imc/guestcust_util.py')
| -rw-r--r-- | cloudinit/sources/helpers/vmware/imc/guestcust_util.py | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/cloudinit/sources/helpers/vmware/imc/guestcust_util.py b/cloudinit/sources/helpers/vmware/imc/guestcust_util.py new file mode 100644 index 00000000..d39f0a65 --- /dev/null +++ b/cloudinit/sources/helpers/vmware/imc/guestcust_util.py @@ -0,0 +1,128 @@ +# vi: ts=4 expandtab
+#
+# Copyright (C) 2016 Canonical Ltd.
+# Copyright (C) 2016 VMware Inc.
+#
+# Author: Sankar Tanguturi <stanguturi@vmware.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3, as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+import os
+import time
+
+from cloudinit import util
+
+from .guestcust_state import GuestCustStateEnum
+from .guestcust_event import GuestCustEventEnum
+
+logger = logging.getLogger(__name__)
+
+
+CLOUDINIT_LOG_FILE = "/var/log/cloud-init.log"
+QUERY_NICS_SUPPORTED = "queryNicsSupported"
+NICS_STATUS_CONNECTED = "connected"
+
+
+# This will send a RPC command to the underlying
+# VMware Virtualization Platform.
+def send_rpc(rpc):
+ if not rpc:
+ return None
+
+ out = ""
+ err = "Error sending the RPC command"
+
+ try:
+ logger.debug("Sending RPC command: %s", rpc)
+ (out, err) = util.subp(["vmware-rpctool", rpc], rcs=[0])
+ # Remove the trailing newline in the output.
+ if out:
+ out = out.rstrip()
+ except Exception as e:
+ logger.debug("Failed to send RPC command")
+ logger.exception(e)
+
+ return (out, err)
+
+
+# This will send the customization status to the
+# underlying VMware Virtualization Platform.
+def set_customization_status(custstate, custerror, errormessage=None):
+ message = ""
+
+ if errormessage:
+ message = CLOUDINIT_LOG_FILE + "@" + errormessage
+ else:
+ message = CLOUDINIT_LOG_FILE
+
+ rpc = "deployPkg.update.state %d %d %s" % (custstate, custerror, message)
+ (out, err) = send_rpc(rpc)
+ return (out, err)
+
+
+# This will read the file nics.txt in the specified directory
+# and return the content
+def get_nics_to_enable(dirpath):
+ if not dirpath:
+ return None
+
+ NICS_SIZE = 1024
+ nicsfilepath = os.path.join(dirpath, "nics.txt")
+ if not os.path.exists(nicsfilepath):
+ return None
+
+ with open(nicsfilepath, 'r') as fp:
+ nics = fp.read(NICS_SIZE)
+
+ return nics
+
+
+# This will send a RPC command to the underlying VMware Virtualization platform
+# and enable nics.
+def enable_nics(nics):
+ if not nics:
+ logger.warning("No Nics found")
+ return
+
+ enableNicsWaitRetries = 5
+ enableNicsWaitCount = 5
+ enableNicsWaitSeconds = 1
+
+ for attempt in range(0, enableNicsWaitRetries):
+ logger.debug("Trying to connect interfaces, attempt %d", attempt)
+ (out, err) = set_customization_status(
+ GuestCustStateEnum.GUESTCUST_STATE_RUNNING,
+ GuestCustEventEnum.GUESTCUST_EVENT_ENABLE_NICS,
+ nics)
+ if not out:
+ time.sleep(enableNicsWaitCount * enableNicsWaitSeconds)
+ continue
+
+ if out != QUERY_NICS_SUPPORTED:
+ logger.warning("NICS connection status query is not supported")
+ return
+
+ for count in range(0, enableNicsWaitCount):
+ (out, err) = set_customization_status(
+ GuestCustStateEnum.GUESTCUST_STATE_RUNNING,
+ GuestCustEventEnum.GUESTCUST_EVENT_QUERY_NICS,
+ nics)
+ if out and out == NICS_STATUS_CONNECTED:
+ logger.info("NICS are connected on %d second", count)
+ return
+
+ time.sleep(enableNicsWaitSeconds)
+
+ logger.warning("Can't connect network interfaces after %d attempts",
+ enableNicsWaitRetries)
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