diff options
Diffstat (limited to 'lib/ansible/module_utils/facts/hardware/openbsd.py')
| -rw-r--r-- | lib/ansible/module_utils/facts/hardware/openbsd.py | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/lib/ansible/module_utils/facts/hardware/openbsd.py b/lib/ansible/module_utils/facts/hardware/openbsd.py new file mode 100644 index 0000000..3bcf8ce --- /dev/null +++ b/lib/ansible/module_utils/facts/hardware/openbsd.py @@ -0,0 +1,184 @@ +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>. + +from __future__ import (absolute_import, division, print_function) +__metaclass__ = type + +import re +import time + +from ansible.module_utils._text import to_text + +from ansible.module_utils.facts.hardware.base import Hardware, HardwareCollector +from ansible.module_utils.facts import timeout + +from ansible.module_utils.facts.utils import get_file_content, get_mount_size +from ansible.module_utils.facts.sysctl import get_sysctl + + +class OpenBSDHardware(Hardware): + """ + OpenBSD-specific subclass of Hardware. Defines memory, CPU and device facts: + - memfree_mb + - memtotal_mb + - swapfree_mb + - swaptotal_mb + - processor (a list) + - processor_cores + - processor_count + - processor_speed + - uptime_seconds + + In addition, it also defines number of DMI facts and device facts. + """ + platform = 'OpenBSD' + + def populate(self, collected_facts=None): + hardware_facts = {} + self.sysctl = get_sysctl(self.module, ['hw']) + + hardware_facts.update(self.get_processor_facts()) + hardware_facts.update(self.get_memory_facts()) + hardware_facts.update(self.get_device_facts()) + hardware_facts.update(self.get_dmi_facts()) + hardware_facts.update(self.get_uptime_facts()) + + # storage devices notorioslly prone to hang/block so they are under a timeout + try: + hardware_facts.update(self.get_mount_facts()) + except timeout.TimeoutError: + pass + + return hardware_facts + + @timeout.timeout() + def get_mount_facts(self): + mount_facts = {} + + mount_facts['mounts'] = [] + fstab = get_file_content('/etc/fstab') + if fstab: + for line in fstab.splitlines(): + if line.startswith('#') or line.strip() == '': + continue + fields = re.sub(r'\s+', ' ', line).split() + if fields[1] == 'none' or fields[3] == 'xx': + continue + mount_statvfs_info = get_mount_size(fields[1]) + mount_info = {'mount': fields[1], + 'device': fields[0], + 'fstype': fields[2], + 'options': fields[3]} + mount_info.update(mount_statvfs_info) + mount_facts['mounts'].append(mount_info) + return mount_facts + + def get_memory_facts(self): + memory_facts = {} + # Get free memory. vmstat output looks like: + # procs memory page disks traps cpu + # r b w avm fre flt re pi po fr sr wd0 fd0 int sys cs us sy id + # 0 0 0 47512 28160 51 0 0 0 0 0 1 0 116 89 17 0 1 99 + rc, out, err = self.module.run_command("/usr/bin/vmstat") + if rc == 0: + memory_facts['memfree_mb'] = int(out.splitlines()[-1].split()[4]) // 1024 + memory_facts['memtotal_mb'] = int(self.sysctl['hw.usermem']) // 1024 // 1024 + + # Get swapctl info. swapctl output looks like: + # total: 69268 1K-blocks allocated, 0 used, 69268 available + # And for older OpenBSD: + # total: 69268k bytes allocated = 0k used, 69268k available + rc, out, err = self.module.run_command("/sbin/swapctl -sk") + if rc == 0: + swaptrans = {ord(u'k'): None, + ord(u'm'): None, + ord(u'g'): None} + data = to_text(out, errors='surrogate_or_strict').split() + memory_facts['swapfree_mb'] = int(data[-2].translate(swaptrans)) // 1024 + memory_facts['swaptotal_mb'] = int(data[1].translate(swaptrans)) // 1024 + + return memory_facts + + def get_uptime_facts(self): + # On openbsd, we need to call it with -n to get this value as an int. + sysctl_cmd = self.module.get_bin_path('sysctl') + cmd = [sysctl_cmd, '-n', 'kern.boottime'] + + rc, out, err = self.module.run_command(cmd) + + if rc != 0: + return {} + + kern_boottime = out.strip() + if not kern_boottime.isdigit(): + return {} + + return { + 'uptime_seconds': int(time.time() - int(kern_boottime)), + } + + def get_processor_facts(self): + cpu_facts = {} + processor = [] + for i in range(int(self.sysctl['hw.ncpuonline'])): + processor.append(self.sysctl['hw.model']) + + cpu_facts['processor'] = processor + # The following is partly a lie because there is no reliable way to + # determine the number of physical CPUs in the system. We can only + # query the number of logical CPUs, which hides the number of cores. + # On amd64/i386 we could try to inspect the smt/core/package lines in + # dmesg, however even those have proven to be unreliable. + # So take a shortcut and report the logical number of processors in + # 'processor_count' and 'processor_cores' and leave it at that. + cpu_facts['processor_count'] = self.sysctl['hw.ncpuonline'] + cpu_facts['processor_cores'] = self.sysctl['hw.ncpuonline'] + + return cpu_facts + + def get_device_facts(self): + device_facts = {} + devices = [] + devices.extend(self.sysctl['hw.disknames'].split(',')) + device_facts['devices'] = devices + + return device_facts + + def get_dmi_facts(self): + dmi_facts = {} + # We don't use dmidecode(8) here because: + # - it would add dependency on an external package + # - dmidecode(8) can only be ran as root + # So instead we rely on sysctl(8) to provide us the information on a + # best-effort basis. As a bonus we also get facts on non-amd64/i386 + # platforms this way. + sysctl_to_dmi = { + 'hw.product': 'product_name', + 'hw.version': 'product_version', + 'hw.uuid': 'product_uuid', + 'hw.serialno': 'product_serial', + 'hw.vendor': 'system_vendor', + } + + for mib in sysctl_to_dmi: + if mib in self.sysctl: + dmi_facts[sysctl_to_dmi[mib]] = self.sysctl[mib] + + return dmi_facts + + +class OpenBSDHardwareCollector(HardwareCollector): + _fact_class = OpenBSDHardware + _platform = 'OpenBSD' |