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How to use host_vars method in molecule

Best Python code snippet using molecule_python

validate.py

Source:validate.py

1from ansible.plugins.action import ActionBase2from distutils.version import LooseVersion3from ansible.module_utils.six import string_types4from ansible.errors import AnsibleUndefinedVariable5try:6    from __main__ import display7except ImportError:8    from ansible.utils.display import Display9    display = Display()10try:11    import notario12except ImportError:13    msg = "The python-notario library is missing. Please install it on the node you are running ceph-ansible to continue."14    display.error(msg)15    raise SystemExit(msg)16if LooseVersion(notario.__version__) < LooseVersion("0.0.13"):17    msg = "The python-notario libary has an incompatible version. Version >= 0.0.13 is needed, current version: %s" % notario.__version__18    display.error(msg)19    raise SystemExit(msg)20from notario.exceptions import Invalid21from notario.validators import types, chainable, iterables22from notario.decorators import optional23from notario.store import store as notario_store24CEPH_RELEASES = ['jewel', 'kraken', 'luminous', 'mimic', 'nautilus']25class ActionModule(ActionBase):26    def run(self, tmp=None, task_vars=None):27        # we must use vars, since task_vars will have un-processed variables28        host_vars = self.expand_all_jinja2_templates(task_vars['vars'])29        host = host_vars['ansible_hostname']30        mode = self._task.args.get('mode', 'permissive')31        self._supports_check_mode = False # XXX ?32        self._supports_async = True33        result = {}34        result['_ansible_verbose_always'] = True35        try:36            notario_store["groups"] = host_vars["groups"]37            notario_store["containerized_deployment"] = host_vars["containerized_deployment"]38            notario.validate(host_vars, install_options, defined_keys=True)39            if host_vars["ceph_origin"] == "repository" and not host_vars["containerized_deployment"]:40                notario.validate(host_vars, ceph_origin_repository, defined_keys=True)41                if host_vars["ceph_repository"] == "community":42                    notario.validate(host_vars, ceph_repository_community, defined_keys=True)43                if host_vars["ceph_repository"] == "rhcs":44                    notario.validate(host_vars, ceph_repository_rhcs, defined_keys=True)45                if host_vars["ceph_repository"] == "dev":46                    notario.validate(host_vars, ceph_repository_dev, defined_keys=True)47            # store these values because one must be defined and the validation method48            # will need access to all three through the store49            notario_store["monitor_address"] = host_vars.get("monitor_address", None)50            notario_store["monitor_address_block"] = host_vars.get("monitor_address_block", None)51            notario_store["monitor_interface"] = host_vars.get("monitor_interface", None)52            if host_vars["mon_group_name"] in host_vars["group_names"]:53                notario.validate(host_vars, monitor_options, defined_keys=True)54            notario_store["radosgw_address"] = host_vars.get("radosgw_address", None)55            notario_store["radosgw_address_block"] = host_vars.get("radosgw_address_block", None)56            notario_store["radosgw_interface"] = host_vars.get("radosgw_interface", None)57            if host_vars["rgw_group_name"] in host_vars["group_names"]:58                notario.validate(host_vars, rados_options, defined_keys=True)59            # validate osd scenario setup60            if host_vars["osd_group_name"] in host_vars["group_names"]:61                notario.validate(host_vars, osd_options, defined_keys=True)62                notario_store['osd_objectstore'] = host_vars["osd_objectstore"]63                if host_vars["osd_scenario"] == "collocated":64                    if not host_vars.get("osd_auto_discovery", False):65                        notario.validate(host_vars, collocated_osd_scenario, defined_keys=True)66                if host_vars["osd_scenario"] == "non-collocated":67                    notario.validate(host_vars, non_collocated_osd_scenario, defined_keys=True)68                if host_vars["osd_scenario"] == "lvm":69                    if not host_vars.get("osd_auto_discovery", False):70                        if host_vars.get("devices"):71                            notario.validate(host_vars, lvm_batch_scenario, defined_keys=True)72                        elif notario_store['osd_objectstore'] == 'filestore':73                            notario.validate(host_vars, lvm_filestore_scenario, defined_keys=True)74                        elif notario_store['osd_objectstore'] == 'bluestore':75                            notario.validate(host_vars, lvm_bluestore_scenario, defined_keys=True)76        except Invalid as error:77            display.vvv("Notario Failure: %s" % str(error))78            msg = ""79            if error.path:80                msg = "[{}] Validation failed for variable: {}".format(host, error.path[0])81                display.error(msg)82                reason = "[{}] Reason: {}".format(host, error.reason)83            else:84                reason = "[{}] Reason: {}".format(host, str(error))85            given = ""86            try:87                if "schema is missing" not in error.message:88                    for i in range(0, len(error.path)):89                        if i == 0:90                            given = "[{}] Given value for {}".format(91                                    host, error.path[0])92                        else:93                            given = given + ": {}".format(error.path[i])94                    if given:95                        display.error(given)96                else:97                    given = ""98                    reason = "[{}] Reason: {}".format(host, error.message)99            except KeyError:100                given = ""101            display.error(reason)102            result['failed'] = mode == 'strict'103            result['msg'] = "\n".join([s for s in (msg, reason, given) if len(s) > 0])104            result['stderr_lines'] = result['msg'].split('\n')105        return result106    def expand_all_jinja2_templates(self, variables):107        for k, v in variables.items():108            try:109                if self._templar.is_template(v):110                    variables[k] = self.expand_jinja2_template(v)111            except AnsibleUndefinedVariable as e:112                variables[k] = u"VARIABLE IS NOT DEFINED!"113        return variables114    def expand_jinja2_template(self, var):115        expanded_var = self._templar.template(var, convert_bare=True,116                                              fail_on_undefined=True)117        if expanded_var == var:118            if not isinstance(expanded_var, string_types):119                raise AnsibleUndefinedVariable120            expanded_var = self._templar.template("{{%s}}" % expanded_var,121                                                  convert_bare=True,122                                                  fail_on_undefined=True)123        return expanded_var124# Schemas125def osd_objectstore_choices(value):126    assert value in ['bluestore', 'filestore'], "osd_objectstore must be either 'bluestore' or 'filestore'"127def ceph_origin_choices(value):128    if not notario_store["containerized_deployment"]:129        assert value in ['repository', 'distro', 'local'], "ceph_origin must be either 'repository', 'distro' or 'local'"130def ceph_repository_choices(value):131    assert value in ['community', 'rhcs', 'dev', 'custom'], "ceph_repository must be either 'community', 'rhcs', 'dev', or 'custom'"132def ceph_repository_type_choices(value):133    assert value in ['cdn', 'iso'], "ceph_repository_type must be either 'cdn' or 'iso'"134def validate_monitor_options(value):135    """136    Either monitor_address, monitor_address_block or monitor_interface must137    be defined.138    """139    monitor_address_given = notario_store["monitor_address"] != "0.0.0.0"140    monitor_address_block_given = notario_store["monitor_address_block"] != "subnet"141    monitor_interface_given = notario_store["monitor_interface"] != "interface"142    msg = "Either monitor_address, monitor_address_block or monitor_interface must be provided"143    assert any([monitor_address_given, monitor_address_block_given, monitor_interface_given]), msg144def validate_dmcrypt_bool_value(value):145    assert value in ["true", True, "false", False], "dmcrypt can be set to true/True or false/False (default)"146def validate_osd_auto_discovery_bool_value(value):147    assert value in ["true", True, "false", False], "osd_auto_discovery can be set to true/True or false/False (default)"148def validate_osd_scenarios(value):149    assert value in ["collocated", "non-collocated", "lvm"], "osd_scenario must be set to 'collocated', 'non-collocated' or 'lvm'"150def validate_objectstore(value):151    assert value in ["filestore", "bluestore"], "objectstore must be set to 'filestore' or 'bluestore'"152def validate_ceph_stable_release(value):153    assert value in CEPH_RELEASES, "ceph_stable_release must be set to one of the following: %s" % ", ".join(CEPH_RELEASES)154def validate_rados_options(value):155    """156    Either radosgw_interface, radosgw_address or radosgw_address_block must157    be defined.158    """159    radosgw_address_given = notario_store["radosgw_address"] != "0.0.0.0"160    radosgw_address_block_given = notario_store["radosgw_address_block"] != "subnet"161    radosgw_interface_given = notario_store["radosgw_interface"] != "interface"162    msg = "Either radosgw_address, radosgw_address_block or radosgw_interface must be provided"163    assert any([radosgw_address_given, radosgw_address_block_given, radosgw_interface_given]), msg164install_options = (165    ("ceph_origin", ceph_origin_choices),166    ("containerized_deployment", types.boolean),167    ('osd_objectstore', osd_objectstore_choices),168)169ceph_origin_repository = ("ceph_repository", ceph_repository_choices)170ceph_repository_community = (171    ("ceph_mirror", types.string),172    ("ceph_stable_key", types.string),173    ("ceph_stable_release", validate_ceph_stable_release),174    ("ceph_stable_repo", types.string),175)176ceph_repository_rhcs = (177    ("ceph_repository_type", ceph_repository_type_choices),178    ("ceph_rhcs_version", chainable.AnyIn(types.string, types.integer)),179)180ceph_repository_dev = (181    ("ceph_dev_branch", types.string),182    ("ceph_dev_sha1", types.string),183)184monitor_options = (185    ("cluster_network", types.string),186    ("fsid", types.string),187    ("monitor_address", validate_monitor_options),188    ("monitor_address_block", validate_monitor_options),189    ("monitor_interface", validate_monitor_options),190    ("public_network", types.string),191)192rados_options = (193    ("radosgw_address", validate_rados_options),194    ("radosgw_address_block", validate_rados_options),195    ("radosgw_interface", validate_rados_options),196)197osd_options = (198    (optional("dmcrypt"), validate_dmcrypt_bool_value),199    (optional("osd_auto_discovery"), validate_osd_auto_discovery_bool_value),200    ("osd_scenario", validate_osd_scenarios),201)202collocated_osd_scenario = ("devices", iterables.AllItems(types.string))203non_collocated_osd_scenario = (204    (optional("bluestore_wal_devices"), iterables.AllItems(types.string)),205    (optional("dedicated_devices"), iterables.AllItems(types.string)),206    ("devices", iterables.AllItems(types.string)),207)208lvm_batch_scenario = ("devices", iterables.AllItems(types.string))209lvm_filestore_scenario = ("lvm_volumes", iterables.AllItems((210    (optional('crush_device_class'), types.string),211    ('data', types.string),212    (optional('data_vg'), types.string),213    ('journal', types.string),214    (optional('journal_vg'), types.string),215)))216lvm_bluestore_scenario = ("lvm_volumes", iterables.AllItems((217    (optional('crush_device_class'), types.string),218    ('data', types.string),219    (optional('data_vg'), types.string),220    (optional('db'), types.string),221    (optional('db_vg'), types.string),222    (optional('wal'), types.string),223    (optional('wal_vg'), types.string),...

inventory.py

Source:inventory.py

1#!/usr/bin/python32import ipaddress3import json4import subprocess5from collections import defaultdict6from pathlib import Path7class InventoryBuilder:8    def __init__(self):9        self.vms = json.loads(10            subprocess.run(11                ["vml", "show", "--format-json", "--running"],12                stdout=subprocess.PIPE,13            ).stdout14        )15        self.names = [vm["name"] for vm in self.vms]16        self.inventory = {17            "all": {18                "hosts": self.names,19                "vars": {"ansible_python_interpreter": "/usr/bin/python3"},20            },21            "_meta": {"hostvars": {}},22        }23    def hostvars(self):24        for vm in self.vms:25            host_vars = {}26            if host := vm.get("ssh_host"):27                host_vars["ansible_host"] = host28            if port := vm.get("ssh_port"):29                host_vars["ansible_port"] = port30            if user := vm.get("ssh_user"):31                host_vars["ansible_user"] = user32            if key := vm.get("ssh_key"):33                host_vars["ansible_ssh_private_key_file"] = key34            if options := vm.get("ssh_options"):35                host_vars["ansible_ssh_common_args"] = options36            if cidr := vm.get("network_address"):37                host_vars["network_cidr"] = cidr38                address = str(ipaddress.ip_interface(cidr).ip)39                host_vars["network_address"] = address40            if host_vars:41                self.inventory["_meta"]["hostvars"][vm["name"]] = host_vars42    def groups(self):43        groups = defaultdict(set)44        for name in self.names:45            for group in [p.as_posix() for p in Path(name).parents][:-1]:46                groups[group].add(name)47        if groups:48            self.inventory["all"]["children"] = list(groups.keys())49            for group, hosts in groups.items():50                self.inventory[group] = {"hosts": list(hosts)}51def main():52    ib = InventoryBuilder()53    ib.hostvars()54    ib.groups()55    print(json.dumps(ib.inventory))56if __name__ == '__main__':...

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