Init: mediaserver

lib/python3.10/site-packages/ansible_collections/community/libvirt/plugins/connection/libvirt_lxc.py

@@ -0,0 +1,183 @@
+# Based on local.py (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
+# Based on chroot.py (c) 2013, Maykel Moya <mmoya@speedyrails.com>
+# (c) 2013, Michael Scherer <misc@zarb.org>
+# (c) 2015, Toshio Kuratomi <tkuratomi@ansible.com>
+# (c) 2017 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+DOCUMENTATION = '''
+---
+author:
+    - Michael Scherer (@mscherer) <misc@zarb.org>
+name: libvirt_lxc
+short_description: Run tasks in lxc containers via libvirt
+description:
+    - Run commands or put/fetch files to an existing lxc container using libvirt.
+options:
+  remote_addr:
+    description:
+        - Container identifier.
+    default: The set user as per docker's configuration
+    vars:
+        - name: ansible_host
+        - name: ansible_libvirt_lxc_host
+'''
+
+import os
+import os.path
+import subprocess
+import traceback
+
+from ansible import constants as C
+from ansible.errors import AnsibleError
+from ansible.module_utils.six.moves import shlex_quote
+from ansible.module_utils.common.process import get_bin_path
+from ansible.module_utils._text import to_bytes
+from ansible.plugins.connection import ConnectionBase, BUFSIZE
+from ansible.utils.display import Display
+
+display = Display()
+
+
+class Connection(ConnectionBase):
+    ''' Local lxc based connections '''
+
+    transport = 'community.general.libvirt_lxc'
+    has_pipelining = True
+    # su currently has an undiagnosed issue with calculating the file
+    # checksums (so copy, for instance, doesn't work right)
+    # Have to look into that before re-enabling this
+    default_user = 'root'
+    has_tty = False
+
+    def __init__(self, play_context, new_stdin, *args, **kwargs):
+        super(Connection, self).__init__(play_context, new_stdin, *args, **kwargs)
+        self.lxc = self._play_context.remote_addr
+
+        self.virsh = self._search_executable('virsh')
+
+        self._check_domain(self.lxc)
+
+    def _search_executable(self, executable):
+        try:
+            return get_bin_path(executable)
+        except ValueError:
+            raise AnsibleError("%s command not found in PATH") % executable
+
+    def _check_domain(self, domain):
+        p = subprocess.Popen([self.virsh, '-q', '-c', 'lxc:///', 'dominfo', to_bytes(domain)],
+                             stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        p.communicate()
+        if p.returncode:
+            raise AnsibleError("%s is not a lxc defined in libvirt" % domain)
+
+    def _connect(self):
+        ''' connect to the lxc; nothing to do here '''
+        super(Connection, self)._connect()
+        if not self._connected:
+            display.vvv("THIS IS A LOCAL LXC DIR", host=self.lxc)
+            self._connected = True
+
+    def _buffered_exec_command(self, cmd, stdin=subprocess.PIPE):
+        ''' run a command on the chroot.  This is only needed for implementing
+        put_file() get_file() so that we don't have to read the whole file
+        into memory.
+
+        compared to exec_command() it looses some niceties like being able to
+        return the process's exit code immediately.
+        '''
+        executable = C.DEFAULT_EXECUTABLE.split()[0] if C.DEFAULT_EXECUTABLE else '/bin/sh'
+        local_cmd = [self.virsh, '-q', '-c', 'lxc:///', 'lxc-enter-namespace']
+
+        if C.DEFAULT_LIBVIRT_LXC_NOSECLABEL:
+            local_cmd += ['--noseclabel']
+
+        local_cmd += [self.lxc, '--', executable, '-c', cmd]
+
+        display.vvv("EXEC %s" % (local_cmd,), host=self.lxc)
+        local_cmd = [to_bytes(i, errors='surrogate_or_strict') for i in local_cmd]
+        p = subprocess.Popen(local_cmd, shell=False, stdin=stdin,
+                             stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+        return p
+
+    def exec_command(self, cmd, in_data=None, sudoable=False):
+        ''' run a command on the chroot '''
+        super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable)
+
+        p = self._buffered_exec_command(cmd)
+
+        stdout, stderr = p.communicate(in_data)
+        return (p.returncode, stdout, stderr)
+
+    def _prefix_login_path(self, remote_path):
+        ''' Make sure that we put files into a standard path
+
+            If a path is relative, then we need to choose where to put it.
+            ssh chooses $HOME but we aren't guaranteed that a home dir will
+            exist in any given chroot.  So for now we're choosing "/" instead.
+            This also happens to be the former default.
+
+            Can revisit using $HOME instead if it's a problem
+        '''
+        if not remote_path.startswith(os.path.sep):
+            remote_path = os.path.join(os.path.sep, remote_path)
+        return os.path.normpath(remote_path)
+
+    def put_file(self, in_path, out_path):
+        ''' transfer a file from local to lxc '''
+        super(Connection, self).put_file(in_path, out_path)
+        display.vvv("PUT %s TO %s" % (in_path, out_path), host=self.lxc)
+
+        out_path = shlex_quote(self._prefix_login_path(out_path))
+        try:
+            with open(to_bytes(in_path, errors='surrogate_or_strict'), 'rb') as in_file:
+                if not os.fstat(in_file.fileno()).st_size:
+                    count = ' count=0'
+                else:
+                    count = ''
+                try:
+                    p = self._buffered_exec_command('dd of=%s bs=%s%s' % (out_path, BUFSIZE, count), stdin=in_file)
+                except OSError:
+                    raise AnsibleError("chroot connection requires dd command in the chroot")
+                try:
+                    stdout, stderr = p.communicate()
+                except Exception:
+                    traceback.print_exc()
+                    raise AnsibleError("failed to transfer file %s to %s" % (in_path, out_path))
+                if p.returncode != 0:
+                    raise AnsibleError("failed to transfer file %s to %s:\n%s\n%s" % (in_path, out_path, stdout, stderr))
+        except IOError:
+            raise AnsibleError("file or module does not exist at: %s" % in_path)
+
+    def fetch_file(self, in_path, out_path):
+        ''' fetch a file from lxc to local '''
+        super(Connection, self).fetch_file(in_path, out_path)
+        display.vvv("FETCH %s TO %s" % (in_path, out_path), host=self.lxc)
+
+        in_path = shlex_quote(self._prefix_login_path(in_path))
+        try:
+            p = self._buffered_exec_command('dd if=%s bs=%s' % (in_path, BUFSIZE))
+        except OSError:
+            raise AnsibleError("chroot connection requires dd command in the chroot")
+
+        with open(to_bytes(out_path, errors='surrogate_or_strict'), 'wb+') as out_file:
+            try:
+                chunk = p.stdout.read(BUFSIZE)
+                while chunk:
+                    out_file.write(chunk)
+                    chunk = p.stdout.read(BUFSIZE)
+            except Exception:
+                traceback.print_exc()
+                raise AnsibleError("failed to transfer file %s to %s" % (in_path, out_path))
+            stdout, stderr = p.communicate()
+            if p.returncode != 0:
+                raise AnsibleError("failed to transfer file %s to %s:\n%s\n%s" % (in_path, out_path, stdout, stderr))
+
+    def close(self):
+        ''' terminate the connection; nothing to do here '''
+        super(Connection, self).close()
+        self._connected = False

lib/python3.10/site-packages/ansible_collections/community/libvirt/plugins/connection/libvirt_qemu.py

@@ -0,0 +1,361 @@
+# Based on local.py (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
+# Based on chroot.py (c) 2013, Maykel Moya <mmoya@speedyrails.com>
+# (c) 2013, Michael Scherer <misc@zarb.org>
+# (c) 2015, Toshio Kuratomi <tkuratomi@ansible.com>
+# (c) 2017 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+DOCUMENTATION = """
+---
+author:
+    - Jesse Pretorius (@odyssey4me) <jesse@odyssey4.me>
+name: libvirt_qemu
+short_description: Run tasks on libvirt/qemu virtual machines
+description:
+    - Run commands or put/fetch files to libvirt/qemu virtual machines using the qemu agent API.
+notes:
+    - Currently DOES NOT work with selinux set to enforcing in the VM.
+    - Requires the qemu-agent installed in the VM.
+    - Requires access to the qemu-ga commands guest-exec, guest-exec-status, guest-file-close, guest-file-open, guest-file-read, guest-file-write.
+extends_documentation_fragment:
+    - community.libvirt.requirements
+version_added: "2.10.0"
+options:
+  remote_addr:
+    description: Virtual machine name.
+    default: inventory_hostname
+    vars:
+      - name: ansible_host
+  executable:
+    description:
+      - Shell to use for execution inside container.
+      - Set this to 'cmd' or 'powershell' for Windows VMs.
+    default: /bin/sh
+    vars:
+      - name: ansible_shell_type
+  virt_uri:
+    description: Libvirt URI to connect to to access the virtual machine.
+    default: qemu:///system
+    vars:
+      - name: ansible_libvirt_uri
+"""
+
+import base64
+import json
+import shlex
+import time
+import traceback
+
+try:
+    import libvirt
+    import libvirt_qemu
+except ImportError as imp_exc:
+    LIBVIRT_IMPORT_ERROR = imp_exc
+else:
+    LIBVIRT_IMPORT_ERROR = None
+
+from ansible import constants as C
+from ansible.errors import AnsibleError, AnsibleConnectionFailure, AnsibleFileNotFound
+from ansible.module_utils._text import to_bytes, to_native, to_text
+from ansible.module_utils.six import raise_from
+from ansible.plugins.connection import ConnectionBase, BUFSIZE
+from ansible.plugins.shell.powershell import _parse_clixml
+from ansible.utils.display import Display
+from functools import partial
+from os.path import exists, getsize
+
+display = Display()
+
+
+REQUIRED_CAPABILITIES = [
+    {'enabled': True, 'name': 'guest-exec', 'success-response': True},
+    {'enabled': True, 'name': 'guest-exec-status', 'success-response': True},
+    {'enabled': True, 'name': 'guest-file-close', 'success-response': True},
+    {'enabled': True, 'name': 'guest-file-open', 'success-response': True},
+    {'enabled': True, 'name': 'guest-file-read', 'success-response': True},
+    {'enabled': True, 'name': 'guest-file-write', 'success-response': True}
+]
+
+
+class Connection(ConnectionBase):
+    ''' Local libvirt qemu based connections '''
+
+    transport = 'community.libvirt.libvirt_qemu'
+    # TODO(odyssey4me):
+    # Figure out why pipelining does not work and fix it
+    has_pipelining = False
+    has_tty = False
+
+    def __init__(self, play_context, new_stdin, *args, **kwargs):
+        if LIBVIRT_IMPORT_ERROR:
+            raise_from(
+                AnsibleError('libvirt python bindings must be installed to use this plugin'),
+                LIBVIRT_IMPORT_ERROR)
+
+        super(Connection, self).__init__(play_context, new_stdin, *args, **kwargs)
+
+        self._host = self._play_context.remote_addr
+
+        # Windows operates differently from a POSIX connection/shell plugin,
+        # we need to set various properties to ensure SSH on Windows continues
+        # to work
+        # Ensure that any Windows hosts in your inventory have one of the
+        # following set, in order to trigger this code:
+        # ansible_shell_type: cmd
+        # ansible_shell_type: powershell
+        if getattr(self._shell, "_IS_WINDOWS", False):
+            self.has_native_async = True
+            self.always_pipeline_modules = True
+            self.module_implementation_preferences = ('.ps1', '.exe', '')
+            self.allow_executable = False
+
+    def _connect(self):
+        ''' connect to the virtual machine; nothing to do here '''
+        super(Connection, self)._connect()
+        if not self._connected:
+
+            self._virt_uri = self.get_option('virt_uri')
+
+            self._display.vvv(u"CONNECT TO {0}".format(self._virt_uri), host=self._host)
+            try:
+                self.conn = libvirt.open(self._virt_uri)
+            except libvirt.libvirtError as err:
+                raise AnsibleConnectionFailure(to_native(err))
+
+            self._display.vvv(u"FIND DOMAIN {0}".format(self._host), host=self._host)
+            try:
+                self.domain = self.conn.lookupByName(self._host)
+            except libvirt.libvirtError as err:
+                raise AnsibleConnectionFailure(to_native(err))
+
+            request_cap = json.dumps({'execute': 'guest-info'})
+            response_cap = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_cap, 5, 0))
+            self.capabilities = response_cap['return']['supported_commands']
+            self._display.vvvvv(u"GUEST CAPABILITIES: {0}".format(self.capabilities), host=self._host)
+            missing_caps = []
+            for cap in REQUIRED_CAPABILITIES:
+                if cap not in self.capabilities:
+                    missing_caps.append(cap['name'])
+            if len(missing_caps) > 0:
+                self._display.vvv(u"REQUIRED CAPABILITIES MISSING: {0}".format(missing_caps), host=self._host)
+                raise AnsibleConnectionFailure('Domain does not have required capabilities')
+
+            display.vvv(u"ESTABLISH {0} CONNECTION".format(self.transport), host=self._host)
+            self._connected = True
+
+    def exec_command(self, cmd, in_data=None, sudoable=True):
+        """ execute a command on the virtual machine host """
+        super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable)
+
+        self._display.vvv(u"EXEC {0}".format(cmd), host=self._host)
+
+        cmd_args_list = shlex.split(to_native(cmd, errors='surrogate_or_strict'))
+
+        if getattr(self._shell, "_IS_WINDOWS", False):
+            # Become method 'runas' is done in the wrapper that is executed,
+            # need to disable sudoable so the bare_run is not waiting for a
+            # prompt that will not occur
+            sudoable = False
+
+            # Generate powershell commands
+            cmd_args_list = self._shell._encode_script(cmd, as_list=True, strict_mode=False, preserve_rc=False)
+
+        # TODO(odyssey4me):
+        # Implement buffering much like the other connection plugins
+        # Implement 'env' for the environment settings
+        # Implement 'input-data' for whatever it might be useful for
+        request_exec = {
+            'execute': 'guest-exec',
+            'arguments': {
+                'path': cmd_args_list[0],
+                'capture-output': True,
+                'arg': cmd_args_list[1:]
+            }
+        }
+        request_exec_json = json.dumps(request_exec)
+
+        display.vvv(u"GA send: {0}".format(request_exec_json), host=self._host)
+
+        # TODO(odyssey4me):
+        # Add timeout parameter
+        result_exec = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_exec_json, 5, 0))
+
+        display.vvv(u"GA return: {0}".format(result_exec), host=self._host)
+
+        command_start = time.clock_gettime(time.CLOCK_MONOTONIC)
+
+        request_status = {
+            'execute': 'guest-exec-status',
+            'arguments': {
+                'pid': result_exec['return']['pid']
+            }
+        }
+        request_status_json = json.dumps(request_status)
+
+        display.vvv(u"GA send: {0}".format(request_status_json), host=self._host)
+
+        # TODO(odyssey4me):
+        # Work out a better way to wait until the command has exited
+        result_status = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_status_json, 5, 0))
+
+        display.vvv(u"GA return: {0}".format(result_status), host=self._host)
+
+        while not result_status['return']['exited']:
+            # Wait for 5% of the time already elapsed
+            sleep_time = (time.clock_gettime(time.CLOCK_MONOTONIC) - command_start) * (5 / 100)
+            if sleep_time < 0.0002:
+                sleep_time = 0.0002
+            elif sleep_time > 1:
+                sleep_time = 1
+            time.sleep(sleep_time)
+            result_status = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_status_json, 5, 0))
+
+        display.vvv(u"GA return: {0}".format(result_status), host=self._host)
+
+        if result_status['return'].get('out-data'):
+            stdout = base64.b64decode(result_status['return']['out-data'])
+        else:
+            stdout = b''
+
+        if result_status['return'].get('err-data'):
+            stderr = base64.b64decode(result_status['return']['err-data'])
+        else:
+            stderr = b''
+
+        # Decode xml from windows
+        if getattr(self._shell, "_IS_WINDOWS", False) and stdout.startswith(b"#< CLIXML"):
+            stdout = _parse_clixml(stdout)
+
+        display.vvv(u"GA stdout: {0}".format(to_text(stdout)), host=self._host)
+        display.vvv(u"GA stderr: {0}".format(to_text(stderr)), host=self._host)
+
+        return result_status['return']['exitcode'], stdout, stderr
+
+    def put_file(self, in_path, out_path):
+        ''' transfer a file from local to domain '''
+        super(Connection, self).put_file(in_path, out_path)
+        display.vvv("PUT %s TO %s" % (in_path, out_path), host=self._host)
+
+        if not exists(to_bytes(in_path, errors='surrogate_or_strict')):
+            raise AnsibleFileNotFound(
+                "file or module does not exist: %s" % in_path)
+
+        request_handle = {
+            'execute': 'guest-file-open',
+            'arguments': {
+                'path': out_path,
+                'mode': 'wb+'
+            }
+        }
+        request_handle_json = json.dumps(request_handle)
+
+        display.vvv(u"GA send: {0}".format(request_handle_json), host=self._host)
+
+        result_handle = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_handle_json, 5, 0))
+
+        display.vvv(u"GA return: {0}".format(result_handle), host=self._host)
+
+        # TODO(odyssey4me):
+        # Handle exception for file/path IOError
+        with open(to_bytes(in_path, errors='surrogate_or_strict'), 'rb') as in_file:
+            for chunk in iter(partial(in_file.read, BUFSIZE), b''):
+                try:
+                    request_write = {
+                        'execute': 'guest-file-write',
+                        'arguments': {
+                            'handle': result_handle['return'],
+                            'buf-b64': base64.b64encode(chunk).decode()
+                        }
+                    }
+                    request_write_json = json.dumps(request_write)
+
+                    display.vvvvv(u"GA send: {0}".format(request_write_json), host=self._host)
+
+                    result_write = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_write_json, 5, 0))
+
+                    display.vvvvv(u"GA return: {0}".format(result_write), host=self._host)
+
+                except Exception:
+                    traceback.print_exc()
+                    raise AnsibleError("failed to transfer file %s to %s" % (in_path, out_path))
+
+        request_close = {
+            'execute': 'guest-file-close',
+            'arguments': {
+                'handle': result_handle['return']
+            }
+        }
+        request_close_json = json.dumps(request_close)
+
+        display.vvv(u"GA send: {0}".format(request_close_json), host=self._host)
+
+        result_close = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_close_json, 5, 0))
+
+        display.vvv(u"GA return: {0}".format(result_close), host=self._host)
+
+    def fetch_file(self, in_path, out_path):
+        ''' fetch a file from domain to local '''
+        super(Connection, self).fetch_file(in_path, out_path)
+        display.vvv("FETCH %s TO %s" % (in_path, out_path), host=self._host)
+
+        request_handle = {
+            'execute': 'guest-file-open',
+            'arguments': {
+                'path': in_path,
+                'mode': 'r'
+            }
+        }
+        request_handle_json = json.dumps(request_handle)
+
+        display.vvv(u"GA send: {0}".format(request_handle_json), host=self._host)
+
+        result_handle = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_handle_json, 5, 0))
+
+        display.vvv(u"GA return: {0}".format(result_handle), host=self._host)
+
+        request_read = {
+            'execute': 'guest-file-read',
+            'arguments': {
+                'handle': result_handle['return'],
+                'count': BUFSIZE
+            }
+        }
+        request_read_json = json.dumps(request_read)
+
+        display.vvv(u"GA send: {0}".format(request_read_json), host=self._host)
+
+        with open(to_bytes(out_path, errors='surrogate_or_strict'), 'wb+') as out_file:
+            try:
+                result_read = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_read_json, 5, 0))
+                display.vvvvv(u"GA return: {0}".format(result_read), host=self._host)
+                out_file.write(base64.b64decode(result_read['return']['buf-b64']))
+                while not result_read['return']['eof']:
+                    result_read = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_read_json, 5, 0))
+                    display.vvvvv(u"GA return: {0}".format(result_read), host=self._host)
+                    out_file.write(base64.b64decode(result_read['return']['buf-b64']))
+
+            except Exception:
+                traceback.print_exc()
+                raise AnsibleError("failed to transfer file %s to %s" % (in_path, out_path))
+
+        request_close = {
+            'execute': 'guest-file-close',
+            'arguments': {
+                'handle': result_handle['return']
+            }
+        }
+        request_close_json = json.dumps(request_close)
+
+        display.vvv(u"GA send: {0}".format(request_close_json), host=self._host)
+
+        result_close = json.loads(libvirt_qemu.qemuAgentCommand(self.domain, request_close_json, 5, 0))
+
+        display.vvv(u"GA return: {0}".format(result_close), host=self._host)
+
+    def close(self):
+        ''' terminate the connection; nothing to do here '''
+        super(Connection, self).close()
+        self._connected = False