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"""
Manage VMware ESXi Clusters.
.. Warning::
This module will be deprecated in a future release of Salt. VMware strongly
recommends using the
`VMware Salt extensions <https://docs.saltproject.io/salt/extensions/salt-ext-modules-vmware/en/latest/all.html>`_
instead of the ESX cluster module. Because the Salt extensions are newer and
actively supported by VMware, they are more compatible with current versions
of ESXi and they work well with the latest features in the VMware product
line.
Dependencies
============
- pyVmomi Python Module
pyVmomi
-------
PyVmomi can be installed via pip:
.. code-block:: bash
pip install pyVmomi
.. note::
Version 6.0 of pyVmomi has some problems with SSL error handling on certain
versions of Python. If using version 6.0 of pyVmomi, Python 2.7.9,
or newer must be present. This is due to an upstream dependency
in pyVmomi 6.0 that is not supported in Python versions 2.7 to 2.7.8. If the
version of Python is not in the supported range, you will need to install an
earlier version of pyVmomi. See `Issue #29537`_ for more information.
.. _Issue #29537: https://github.com/saltstack/salt/issues/29537
Based on the note above, to install an earlier version of pyVmomi than the
version currently listed in PyPi, run the following:
.. code-block:: bash
pip install pyVmomi==5.5.0.2014.1.1
The 5.5.0.2014.1.1 is a known stable version that this original ESXi State
Module was developed against.
"""
import logging
import sys
from functools import wraps
import salt.exceptions
from salt.config.schemas.esxcluster import ESXClusterConfigSchema, LicenseSchema
from salt.utils import dictupdate
from salt.utils.dictdiffer import recursive_diff
from salt.utils.listdiffer import list_diff
# External libraries
try:
import jsonschema
HAS_JSONSCHEMA = True
except ImportError:
HAS_JSONSCHEMA = False
try:
from pyVmomi import VmomiSupport
HAS_PYVMOMI = True
except ImportError:
HAS_PYVMOMI = False
# Get Logging Started
log = logging.getLogger(__name__)
def __virtual__():
if not HAS_JSONSCHEMA:
return False, "State module did not load: jsonschema not found"
if not HAS_PYVMOMI:
return False, "State module did not load: pyVmomi not found"
# We check the supported vim versions to infer the pyVmomi version
if (
"vim25/6.0" in VmomiSupport.versionMap
and sys.version_info > (2, 7)
and sys.version_info < (2, 7, 9)
):
return (
False,
"State module did not load: Incompatible versions of Python and pyVmomi"
" present. See Issue #29537.",
)
return True
def _deprecation_message(function):
"""
Decorator wrapper to warn about azurearm deprecation
"""
@wraps(function)
def wrapped(*args, **kwargs):
salt.utils.versions.warn_until(
3008,
"The 'esxcluster' functionality in Salt has been deprecated and its "
"functionality will be removed in version 3008 in favor of the "
"saltext.vmware Salt Extension. "
"(https://github.com/saltstack/salt-ext-modules-vmware)",
category=FutureWarning,
)
ret = function(*args, **salt.utils.args.clean_kwargs(**kwargs))
return ret
return wrapped
@_deprecation_message
def mod_init(low):
"""
Retrieves and adapt the login credentials from the proxy connection module
"""
return True
def _get_vsan_datastore(si, cluster_name):
"""Retrieves the vsan_datastore"""
log.trace("Retrieving vsan datastore")
vsan_datastores = [
ds
for ds in __salt__["vsphere.list_datastores_via_proxy"](service_instance=si)
if ds["type"] == "vsan"
]
if not vsan_datastores:
raise salt.exceptions.VMwareObjectRetrievalError(
f"No vSAN datastores where retrieved for cluster '{cluster_name}'"
)
return vsan_datastores[0]
@_deprecation_message
def cluster_configured(name, cluster_config):
"""
Configures a cluster. Creates a new cluster, if it doesn't exist on the
vCenter or reconfigures it if configured differently
Supported proxies: esxdatacenter, esxcluster
name
Name of the state. If the state is run in by an ``esxdatacenter``
proxy, it will be the name of the cluster.
cluster_config
Configuration applied to the cluster.
Complex datastructure following the ESXClusterConfigSchema.
Valid example is:
.. code-block:: yaml
drs:
default_vm_behavior: fullyAutomated
enabled: true
vmotion_rate: 3
ha:
admission_control
_enabled: false
default_vm_settings:
isolation_response: powerOff
restart_priority: medium
enabled: true
hb_ds_candidate_policy: userSelectedDs
host_monitoring: enabled
options:
- key: das.ignoreinsufficienthbdatastore
value: 'true'
vm_monitoring: vmMonitoringDisabled
vm_swap_placement: vmDirectory
vsan:
auto_claim_storage: false
compression_enabled: true
dedup_enabled: true
enabled: true
"""
proxy_type = __salt__["vsphere.get_proxy_type"]()
if proxy_type == "esxdatacenter":
cluster_name, datacenter_name = (
name,
__salt__["esxdatacenter.get_details"]()["datacenter"],
)
elif proxy_type == "esxcluster":
cluster_name, datacenter_name = (
__salt__["esxcluster.get_details"]()["cluster"],
__salt__["esxcluster.get_details"]()["datacenter"],
)
else:
raise salt.exceptions.CommandExecutionError(f"Unsupported proxy {proxy_type}")
log.info(
"Running %s for cluster '%s' in datacenter '%s'",
name,
cluster_name,
datacenter_name,
)
cluster_dict = cluster_config
log.trace("cluster_dict = %s", cluster_dict)
changes_required = False
ret = {"name": name, "changes": {}, "result": None, "comment": "Default"}
comments = []
changes = {}
changes_required = False
try:
log.trace("Validating cluster_configured state input")
schema = ESXClusterConfigSchema.serialize()
log.trace("schema = %s", schema)
try:
jsonschema.validate(cluster_dict, schema)
except jsonschema.exceptions.ValidationError as exc:
raise salt.exceptions.InvalidESXClusterPayloadError(exc)
current = None
si = __salt__["vsphere.get_service_instance_via_proxy"]()
try:
current = __salt__["vsphere.list_cluster"](
datacenter_name, cluster_name, service_instance=si
)
except salt.exceptions.VMwareObjectRetrievalError:
changes_required = True
if __opts__["test"]:
comments.append(
"State {} will create cluster '{}' in datacenter '{}'.".format(
name, cluster_name, datacenter_name
)
)
log.info(comments[-1])
__salt__["vsphere.disconnect"](si)
ret.update({"result": None, "comment": "\n".join(comments)})
return ret
log.trace(
"Creating cluster '%s' in datacenter '%s'.",
cluster_name,
datacenter_name,
)
__salt__["vsphere.create_cluster"](
cluster_dict, datacenter_name, cluster_name, service_instance=si
)
comments.append(
"Created cluster '{}' in datacenter '{}'".format(
cluster_name, datacenter_name
)
)
log.info(comments[-1])
changes.update({"new": cluster_dict})
if current:
# Cluster already exists
# We need to handle lists sepparately
ldiff = None
if "ha" in cluster_dict and "options" in cluster_dict["ha"]:
ldiff = list_diff(
current.get("ha", {}).get("options", []),
cluster_dict.get("ha", {}).get("options", []),
"key",
)
log.trace("options diffs = %s", ldiff.diffs)
# Remove options if exist
del cluster_dict["ha"]["options"]
if "ha" in current and "options" in current["ha"]:
del current["ha"]["options"]
diff = recursive_diff(current, cluster_dict)
log.trace("diffs = %s", diff.diffs)
if not (diff.diffs or (ldiff and ldiff.diffs)):
# No differences
comments.append(
"Cluster '{}' in datacenter '{}' is up to date. Nothing to be done.".format(
cluster_name, datacenter_name
)
)
log.info(comments[-1])
else:
changes_required = True
changes_str = ""
if diff.diffs:
changes_str = f"{changes_str}{diff.changes_str}"
if ldiff and ldiff.diffs:
changes_str = "{}\nha:\n options:\n{}".format(
changes_str,
"\n".join([f" {l}" for l in ldiff.changes_str2.split("\n")]),
)
# Apply the changes
if __opts__["test"]:
comments.append(
"State {} will update cluster '{}' in datacenter '{}':\n{}".format(
name, cluster_name, datacenter_name, changes_str
)
)
else:
new_values = diff.new_values
old_values = diff.old_values
if ldiff and ldiff.new_values:
dictupdate.update(
new_values, {"ha": {"options": ldiff.new_values}}
)
if ldiff and ldiff.old_values:
dictupdate.update(
old_values, {"ha": {"options": ldiff.old_values}}
)
log.trace("new_values = %s", new_values)
__salt__["vsphere.update_cluster"](
new_values, datacenter_name, cluster_name, service_instance=si
)
comments.append(
"Updated cluster '{}' in datacenter '{}'".format(
cluster_name, datacenter_name
)
)
log.info(comments[-1])
changes.update({"new": new_values, "old": old_values})
__salt__["vsphere.disconnect"](si)
ret_status = True
if __opts__["test"] and changes_required:
ret_status = None
ret.update(
{"result": ret_status, "comment": "\n".join(comments), "changes": changes}
)
return ret
except salt.exceptions.CommandExecutionError as exc:
log.error("Error: %s", exc, exc_info=True)
if si:
__salt__["vsphere.disconnect"](si)
ret.update({"result": False, "comment": str(exc)})
return ret
@_deprecation_message
def vsan_datastore_configured(name, datastore_name):
"""
Configures the cluster's VSAN datastore
WARNING: The VSAN datastore is created automatically after the first
ESXi host is added to the cluster; the state assumes that the datastore
exists and errors if it doesn't.
"""
cluster_name, datacenter_name = (
__salt__["esxcluster.get_details"]()["cluster"],
__salt__["esxcluster.get_details"]()["datacenter"],
)
display_name = f"{datacenter_name}/{cluster_name}"
log.info("Running vsan_datastore_configured for '%s'", display_name)
ret = {"name": name, "changes": {}, "result": None, "comment": "Default"}
comments = []
changes = {}
changes_required = False
try:
si = __salt__["vsphere.get_service_instance_via_proxy"]()
# Checking if we need to rename the vsan datastore
vsan_ds = _get_vsan_datastore(si, cluster_name)
if vsan_ds["name"] == datastore_name:
comments.append(
"vSAN datastore is correctly named '{}'. Nothing to be done.".format(
vsan_ds["name"]
)
)
log.info(comments[-1])
else:
# vsan_ds needs to be updated
changes_required = True
if __opts__["test"]:
comments.append(
"State {} will rename the vSAN datastore to '{}'.".format(
name, datastore_name
)
)
log.info(comments[-1])
else:
log.trace(
"Renaming vSAN datastore '%s' to '%s'",
vsan_ds["name"],
datastore_name,
)
__salt__["vsphere.rename_datastore"](
datastore_name=vsan_ds["name"],
new_datastore_name=datastore_name,
service_instance=si,
)
comments.append(f"Renamed vSAN datastore to '{datastore_name}'.")
changes = {
"vsan_datastore": {
"new": {"name": datastore_name},
"old": {"name": vsan_ds["name"]},
}
}
log.info(comments[-1])
__salt__["vsphere.disconnect"](si)
ret.update(
{
"result": (
True
if (not changes_required)
else None if __opts__["test"] else True
),
"comment": "\n".join(comments),
"changes": changes,
}
)
return ret
except salt.exceptions.CommandExecutionError as exc:
log.error("Error: %s", exc, exc_info=True)
if si:
__salt__["vsphere.disconnect"](si)
ret.update({"result": False, "comment": exc.strerror})
return ret
@_deprecation_message
def licenses_configured(name, licenses=None):
"""
Configures licenses on the cluster entity
Checks if each license exists on the server:
- if it doesn't, it creates it
Check if license is assigned to the cluster:
- if it's not assigned to the cluster:
- assign it to the cluster if there is space
- error if there's no space
- if it's assigned to the cluster nothing needs to be done
"""
ret = {"name": name, "changes": {}, "result": None, "comment": "Default"}
if not licenses:
raise salt.exceptions.ArgumentValueError("No licenses provided")
cluster_name, datacenter_name = (
__salt__["esxcluster.get_details"]()["cluster"],
__salt__["esxcluster.get_details"]()["datacenter"],
)
display_name = f"{datacenter_name}/{cluster_name}"
log.info("Running licenses configured for '%s'", display_name)
log.trace("licenses = %s", licenses)
entity = {"type": "cluster", "datacenter": datacenter_name, "cluster": cluster_name}
log.trace("entity = %s", entity)
comments = []
changes = {}
has_errors = False
needs_changes = False
try:
# Validate licenses
log.trace("Validating licenses")
schema = LicenseSchema.serialize()
try:
jsonschema.validate({"licenses": licenses}, schema)
except jsonschema.exceptions.ValidationError as exc:
raise salt.exceptions.InvalidLicenseError(exc)
si = __salt__["vsphere.get_service_instance_via_proxy"]()
# Retrieve licenses
existing_licenses = __salt__["vsphere.list_licenses"](service_instance=si)
# Cycle through licenses
for license_name, license in licenses.items():
# Check if license already exists
filtered_licenses = [l for l in existing_licenses if l["key"] == license]
# TODO Update license description - not of interest right now
if not filtered_licenses:
# License doesn't exist - add and assign to cluster
needs_changes = True
if __opts__["test"]:
# If it doesn't exist it clearly needs to be assigned as
# well so we can stop the check here
comments.append(
"State {} will add license '{}', and assign it to cluster '{}'.".format(
name, license_name, display_name
)
)
log.info(comments[-1])
continue
else:
try:
existing_license = __salt__["vsphere.add_license"](
key=license, description=license_name, service_instance=si
)
except salt.exceptions.VMwareApiError as ex:
comments.append(ex.err_msg)
log.error(comments[-1])
has_errors = True
continue
comments.append(f"Added license '{license_name}'.")
log.info(comments[-1])
else:
# License exists let's check if it's assigned to the cluster
comments.append(
"License '{}' already exists. Nothing to be done.".format(
license_name
)
)
log.info(comments[-1])
existing_license = filtered_licenses[0]
log.trace("Checking licensed entities...")
assigned_licenses = __salt__["vsphere.list_assigned_licenses"](
entity=entity, entity_display_name=display_name, service_instance=si
)
# Checking if any of the licenses already assigned have the same
# name as the new license; the already assigned license would be
# replaced by the new license
#
# Licenses with different names but matching features would be
# replaced as well, but searching for those would be very complex
#
# the name check if good enough for now
already_assigned_license = (
assigned_licenses[0] if assigned_licenses else None
)
if already_assigned_license and already_assigned_license["key"] == license:
# License is already assigned to entity
comments.append(
"License '{}' already assigned to cluster '{}'. Nothing to be done.".format(
license_name, display_name
)
)
log.info(comments[-1])
continue
needs_changes = True
# License needs to be assigned to entity
if existing_license["capacity"] <= existing_license["used"]:
# License is already fully used
comments.append(
"Cannot assign license '{}' to cluster '{}'. No free capacity"
" available.".format(license_name, display_name)
)
log.error(comments[-1])
has_errors = True
continue
# Assign license
if __opts__["test"]:
comments.append(
"State {} will assign license '{}' to cluster '{}'.".format(
name, license_name, display_name
)
)
log.info(comments[-1])
else:
try:
__salt__["vsphere.assign_license"](
license_key=license,
license_name=license_name,
entity=entity,
entity_display_name=display_name,
service_instance=si,
)
except salt.exceptions.VMwareApiError as ex:
comments.append(ex.err_msg)
log.error(comments[-1])
has_errors = True
continue
comments.append(
"Assigned license '{}' to cluster '{}'.".format(
license_name, display_name
)
)
log.info(comments[-1])
# Note: Because the already_assigned_license was retrieved
# from the assignment license manager it doesn't have a used
# value - that's a limitation from VMware. The license would
# need to be retrieved again from the license manager to get
# the value
# Hide license keys
assigned_license = __salt__["vsphere.list_assigned_licenses"](
entity=entity, entity_display_name=display_name, service_instance=si
)[0]
assigned_license["key"] = "<hidden>"
if already_assigned_license:
already_assigned_license["key"] = "<hidden>"
if (
already_assigned_license
and already_assigned_license["capacity"] == sys.maxsize
):
already_assigned_license["capacity"] = "Unlimited"
changes[license_name] = {
"new": assigned_license,
"old": already_assigned_license,
}
continue
__salt__["vsphere.disconnect"](si)
ret.update(
{
"result": (
True
if (not needs_changes)
else None if __opts__["test"] else False if has_errors else True
),
"comment": "\n".join(comments),
"changes": changes if not __opts__["test"] else {},
}
)
return ret
except salt.exceptions.CommandExecutionError as exc:
log.error("Error: %s", exc, exc_info=True)
if si:
__salt__["vsphere.disconnect"](si)
ret.update({"result": False, "comment": exc.strerror})
return ret