def METHOD_NAME(self):
    virtual_facts = {}
    host_tech = set()
    guest_tech = set()
    # Check if it's a zone
    zonename = self.module.get_bin_path('zonename')
    if zonename:
        rc, out, err = self.module.run_command(zonename)
        if rc == 0:
            if out.rstrip() == "global":
                host_tech.add('zone')
            else:
                guest_tech.add('zone')
                virtual_facts['container'] = 'zone'
    # Check if it's a branded zone (i.e. Solaris 8/9 zone)
    if os.path.isdir('/.SUNWnative'):
        guest_tech.add('zone')
        virtual_facts['container'] = 'zone'
    # If it's a zone check if we can detect if our global zone is itself virtualized.
    # Relies on the "guest tools" (e.g. vmware tools) to be installed
    if 'container' in virtual_facts and virtual_facts['container'] == 'zone':
        modinfo = self.module.get_bin_path('modinfo')
        if modinfo:
            rc, out, err = self.module.run_command(modinfo)
            if rc == 0:
                for line in out.splitlines():
                    if 'VMware' in line:
                        guest_tech.add('vmware')
                        virtual_facts['virtualization_type'] = 'vmware'
                        virtual_facts['virtualization_role'] = 'guest'
                    if 'VirtualBox' in line:
                        guest_tech.add('virtualbox')
                        virtual_facts['virtualization_type'] = 'virtualbox'
                        virtual_facts['virtualization_role'] = 'guest'
    if os.path.exists('/proc/vz'):
        guest_tech.add('virtuozzo')
        virtual_facts['virtualization_type'] = 'virtuozzo'
        virtual_facts['virtualization_role'] = 'guest'
    # Detect domaining on Sparc hardware
    virtinfo = self.module.get_bin_path('virtinfo')
    if virtinfo:
        # The output of virtinfo is different whether we are on a machine with logical
        # domains ('LDoms') on a T-series or domains ('Domains') on a M-series. Try LDoms first.
        rc, out, err = self.module.run_command("/usr/sbin/virtinfo -p")
        # The output contains multiple lines with different keys like this:
        #   DOMAINROLE|impl=LDoms|control=false|io=false|service=false|root=false
        # The output may also be not formatted and the returncode is set to 0 regardless of the error condition:
        #   virtinfo can only be run from the global zone
        if rc == 0:
            try:
                for line in out.splitlines():
                    fields = line.split('|')
                    if fields[0] == 'DOMAINROLE' and fields[1] == 'impl=LDoms':
                        guest_tech.add('ldom')
                        virtual_facts['virtualization_type'] = 'ldom'
                        virtual_facts['virtualization_role'] = 'guest'
                        hostfeatures = []
                        for field in fields[2:]:
                            arg = field.split('=')
                            if arg[1] == 'true':
                                hostfeatures.append(arg[0])
                        if len(hostfeatures) > 0:
                            virtual_facts['virtualization_role'] = 'host (' + ','.join(hostfeatures) + ')'
            except ValueError:
                pass
    else:
        smbios = self.module.get_bin_path('smbios')
        if not smbios:
            return
        rc, out, err = self.module.run_command(smbios)
        if rc == 0:
            for line in out.splitlines():
                if 'VMware' in line:
                    guest_tech.add('vmware')
                    virtual_facts['virtualization_type'] = 'vmware'
                    virtual_facts['virtualization_role'] = 'guest'
                elif 'Parallels' in line:
                    guest_tech.add('parallels')
                    virtual_facts['virtualization_type'] = 'parallels'
                    virtual_facts['virtualization_role'] = 'guest'
                elif 'VirtualBox' in line:
                    guest_tech.add('virtualbox')
                    virtual_facts['virtualization_type'] = 'virtualbox'
                    virtual_facts['virtualization_role'] = 'guest'
                elif 'HVM domU' in line:
                    guest_tech.add('xen')
                    virtual_facts['virtualization_type'] = 'xen'
                    virtual_facts['virtualization_role'] = 'guest'
                elif 'KVM' in line:
                    guest_tech.add('kvm')
                    virtual_facts['virtualization_type'] = 'kvm'
                    virtual_facts['virtualization_role'] = 'guest'
    virtual_facts['virtualization_tech_guest'] = guest_tech
    virtual_facts['virtualization_tech_host'] = host_tech
    return virtual_facts