virt start

salt/reactor/virtUpdate.sls

@@ -0,0 +1,95 @@
+# Copyright Security Onion Solutions LLC and/or licensed to Security Onion Solutions LLC under one
+# or more contributor license agreements. Licensed under the Elastic License 2.0 as shown at 
+# https://securityonion.net/license; you may not use this file except in compliance with the
+# Elastic License 2.0.
+
+#!py
+
+import logging
+import salt.client
+local = salt.client.LocalClient()
+from subprocess import call
+import yaml
+
+
+def run():
+
+  def claim_compute(hw_type):
+    compute = hv_data['hypervisor']['hardware'][hw_type]
+    compute.update({'free': compute.get('free') - vm_data.get(hw_type)})
+    logging.error("virtUpdate reactor: claiming %s compute: %s " % (hw_type,compute))
+
+
+  def claim_pci(hw_type):
+    claimed_hw = hv_data['hypervisor']['hardware'][hw_type]['claimed']
+    # if a list of devices was defined
+    if type(vm_data[hw_type]) == list:
+      for hw in vm_data[hw_type]:
+        c_hw = {hw: hv_data['hypervisor']['hardware'][hw_type]['free'].pop(hw)}
+        claimed_hw.update(c_hw)
+        host_devices.append(c_hw[hw])
+        #hv_data['hypervisor']['hardware'][hw_type].update({'claimed': claimed_hw})
+    # if a number of devices was defined
+    else:
+      n = vm_data[hw_type]
+      vm_data[hw_type] = []
+      # grab the first number of devices as defined for the node type
+      claiming_hw = list(hv_data['hypervisor']['hardware'][hw_type]['free'].items())[:n]
+      logging.error("virtUpdate reactor: claiming %s hardware: %s " % (hw_type,claiming_hw))
+      # claiming_hw is a list of tuples containing (numerical_id, pci_id)
+      # claiming_hw example: [(1, 'pci_0000_c4_00_0'), (2, 'pci_0000_c4_00_1')]
+      for hw in claiming_hw:
+        c_hw = {hw[0]: hv_data['hypervisor']['hardware'][hw_type]['free'].pop(hw[0])}
+        claimed_hw.update(c_hw)
+        vm_data[hw_type].append(hw[0])
+        host_devices.append(hw[1])
+      logging.error("virtUpdate reactor: claimed_hw: %s " % claimed_hw)
+
+  vm_name = data['name']
+  hv_name = 'jppvirt'
+  host_devices = []
+
+  with open("/opt/so/saltstack/local/pillar/hypervisor/" + hv_name + "/" + vm_name + ".sls") as f:
+    try:
+      vm_data=yaml.safe_load(f)
+      logging.error("virtUpdate reactor: vm_data %s " % vm_data)
+      #logging.error(yaml.safe_load(f))
+    except yaml.YAMLError as exc:
+      logging.error(exc)
+
+  with open("/opt/so/saltstack/local/pillar/hypervisor/" + hv_name + "/" + hv_name + ".sls") as f:
+    try:
+      hv_data=yaml.safe_load(f)
+      logging.error("virtUpdate reactor: hv_data: %s " % hv_data)
+      #logging.error(yaml.safe_load(f))
+    except yaml.YAMLError as exc:
+      logging.error(exc)
+
+  local.cmd('jppvirt', 'virt.stop', ['name=' + vm_name])
+
+  for hw_type in ['disks', 'copper', 'sfp']:
+    claim_pci(hw_type)
+
+  for hw_type in ['cpu', 'memory']:
+    claim_compute(hw_type)
+
+  logging.error("virtUpdate reactor: host_devices: %s " % host_devices)
+
+  # update the claimed hardware for the hypervisor
+  with open("/opt/so/saltstack/local/pillar/hypervisor/" + hv_name + "/" + hv_name + ".sls", 'w') as f:
+    yaml.dump(hv_data, f, default_flow_style=False)
+
+  # since the original hw request provided was a count of hw instead of specific pci ids
+  # we need to update the vm_data file with the assigned pci ids that were claimed
+  # update the vm_data file with the hardware it claimed
+  logging.error("virtUpdate reactor: new vm_data: %s " % vm_data)
+  with open("/opt/so/saltstack/local/pillar/hypervisor/" + hv_name + "/" + vm_name + ".sls", 'w') as f:
+    yaml.dump(vm_data, f, default_flow_style=False)
+
+  mem = vm_data['memory'] * 1024
+  r = local.cmd('jppvirt', 'virt.update', ['name=' + vm_name, 'mem=' + str(mem), 'cpu=' + str(vm_data['cpu']), 'host_devices=' + str(host_devices)])
+  logging.error("virtUpdate reactor: virt.update: %s" % r)
+
+  local.cmd('jppvirt', 'virt.start', ['name=' + vm_name])
+
+  return {}