From f2f1f2472c5efc541bd53f51289ad58a86fa2d41 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Sat, 20 May 2017 17:35:06 -0400 Subject: ./tools/notsd-move --- src/grp-machine/systemd-machined/.gitignore | 1 + src/grp-machine/systemd-machined/GNUmakefile | 1 + src/grp-machine/systemd-machined/Makefile | 75 ++++ src/grp-machine/systemd-machined/machine.slice | 11 + src/grp-machine/systemd-machined/machined.c | 415 +++++++++++++++++++++ .../systemd-machined/org.freedesktop.machine1.conf | 198 ++++++++++ .../org.freedesktop.machine1.policy.in | 102 +++++ .../org.freedesktop.machine1.service | 12 + .../systemd-machined/systemd-machined.service.in | 27 ++ .../systemd-machined/systemd-machined.service.xml | 90 +++++ 10 files changed, 932 insertions(+) create mode 100644 src/grp-machine/systemd-machined/.gitignore create mode 120000 src/grp-machine/systemd-machined/GNUmakefile create mode 100644 src/grp-machine/systemd-machined/Makefile create mode 100644 src/grp-machine/systemd-machined/machine.slice create mode 100644 src/grp-machine/systemd-machined/machined.c create mode 100644 src/grp-machine/systemd-machined/org.freedesktop.machine1.conf create mode 100644 src/grp-machine/systemd-machined/org.freedesktop.machine1.policy.in create mode 100644 src/grp-machine/systemd-machined/org.freedesktop.machine1.service create mode 100644 src/grp-machine/systemd-machined/systemd-machined.service.in create mode 100644 src/grp-machine/systemd-machined/systemd-machined.service.xml (limited to 'src/grp-machine/systemd-machined') diff --git a/src/grp-machine/systemd-machined/.gitignore b/src/grp-machine/systemd-machined/.gitignore new file mode 100644 index 0000000000..e1065b5894 --- /dev/null +++ b/src/grp-machine/systemd-machined/.gitignore @@ -0,0 +1 @@ +/org.freedesktop.machine1.policy diff --git a/src/grp-machine/systemd-machined/GNUmakefile b/src/grp-machine/systemd-machined/GNUmakefile new file mode 120000 index 0000000000..95e5924740 --- /dev/null +++ b/src/grp-machine/systemd-machined/GNUmakefile @@ -0,0 +1 @@ +../../../GNUmakefile \ No newline at end of file diff --git a/src/grp-machine/systemd-machined/Makefile b/src/grp-machine/systemd-machined/Makefile new file mode 100644 index 0000000000..432a792a18 --- /dev/null +++ b/src/grp-machine/systemd-machined/Makefile @@ -0,0 +1,75 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd 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 +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see . +include $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +systemd_machined_SOURCES = \ + src/machine/machined.c \ + src/machine/machined.h + +systemd_machined_LDADD = \ + libmachine-core.la + +rootlibexec_PROGRAMS += \ + systemd-machined + +nodist_systemunit_DATA += \ + units/systemd-machined.service + +dist_systemunit_DATA += \ + units/machine.slice + +dist_systemunit_DATA_busnames += \ + units/org.freedesktop.machine1.busname + +dist_dbussystemservice_DATA += \ + src/machine/org.freedesktop.machine1.service + +dist_dbuspolicy_DATA += \ + src/machine/org.freedesktop.machine1.conf + +polkitpolicy_files += \ + src/machine/org.freedesktop.machine1.policy + +SYSTEM_UNIT_ALIASES += \ + systemd-machined.service dbus-org.freedesktop.machine1.service + +BUSNAMES_TARGET_WANTS += \ + org.freedesktop.machine1.busname + +polkitpolicy_in_files += \ + src/machine/org.freedesktop.machine1.policy.in + +EXTRA_DIST += \ + units/systemd-machined.service.in + +# ------------------------------------------------------------------------------ +ifneq ($(ENABLE_IMPORTD),) + +ifneq ($(HAVE_LIBCURL),) +ifneq ($(HAVE_XZ),) +ifneq ($(HAVE_ZLIB),) +ifneq ($(HAVE_BZIP2),) +ifneq ($(HAVE_GCRYPT),) + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/grp-machine/systemd-machined/machine.slice b/src/grp-machine/systemd-machined/machine.slice new file mode 100644 index 0000000000..3d40dfd73b --- /dev/null +++ b/src/grp-machine/systemd-machined/machine.slice @@ -0,0 +1,11 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Virtual Machine and Container Slice +Documentation=man:systemd.special(7) +Before=slices.target diff --git a/src/grp-machine/systemd-machined/machined.c b/src/grp-machine/systemd-machined/machined.c new file mode 100644 index 0000000000..d6ce7e0c26 --- /dev/null +++ b/src/grp-machine/systemd-machined/machined.c @@ -0,0 +1,415 @@ +/*** + This file is part of systemd. + + Copyright 2013 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include +#include +#include + +#include + +#include "machine-core/machined.h" +#include "sd-bus/bus-error.h" +#include "sd-bus/bus-util.h" +#include "systemd-basic/alloc-util.h" +#include "systemd-basic/cgroup-util.h" +#include "systemd-basic/dirent-util.h" +#include "systemd-basic/fd-util.h" +#include "systemd-basic/formats-util.h" +#include "systemd-basic/hostname-util.h" +#include "systemd-basic/label.h" +#include "systemd-basic/signal-util.h" +#include "systemd-shared/machine-image.h" + +Manager *manager_new(void) { + Manager *m; + int r; + + m = new0(Manager, 1); + if (!m) + return NULL; + + m->machines = hashmap_new(&string_hash_ops); + m->machine_units = hashmap_new(&string_hash_ops); + m->machine_leaders = hashmap_new(NULL); + + if (!m->machines || !m->machine_units || !m->machine_leaders) { + manager_free(m); + return NULL; + } + + r = sd_event_default(&m->event); + if (r < 0) { + manager_free(m); + return NULL; + } + + sd_event_set_watchdog(m->event, true); + + return m; +} + +void manager_free(Manager *m) { + Machine *machine; + Image *i; + + assert(m); + + while (m->operations) + operation_free(m->operations); + + assert(m->n_operations == 0); + + while ((machine = hashmap_first(m->machines))) + machine_free(machine); + + hashmap_free(m->machines); + hashmap_free(m->machine_units); + hashmap_free(m->machine_leaders); + + while ((i = hashmap_steal_first(m->image_cache))) + image_unref(i); + + hashmap_free(m->image_cache); + + sd_event_source_unref(m->image_cache_defer_event); + + bus_verify_polkit_async_registry_free(m->polkit_registry); + + sd_bus_unref(m->bus); + sd_event_unref(m->event); + + free(m); +} + +static int manager_add_host_machine(Manager *m) { + _cleanup_free_ char *rd = NULL, *unit = NULL; + sd_id128_t mid; + Machine *t; + int r; + + if (m->host_machine) + return 0; + + r = sd_id128_get_machine(&mid); + if (r < 0) + return log_error_errno(r, "Failed to get machine ID: %m"); + + rd = strdup("/"); + if (!rd) + return log_oom(); + + unit = strdup("-.slice"); + if (!unit) + return log_oom(); + + t = machine_new(m, MACHINE_HOST, ".host"); + if (!t) + return log_oom(); + + t->leader = 1; + t->id = mid; + + t->root_directory = rd; + t->unit = unit; + rd = unit = NULL; + + dual_timestamp_from_boottime_or_monotonic(&t->timestamp, 0); + + m->host_machine = t; + + return 0; +} + +int manager_enumerate_machines(Manager *m) { + _cleanup_closedir_ DIR *d = NULL; + struct dirent *de; + int r = 0; + + assert(m); + + r = manager_add_host_machine(m); + if (r < 0) + return r; + + /* Read in machine data stored on disk */ + d = opendir("/run/systemd/machines"); + if (!d) { + if (errno == ENOENT) + return 0; + + return log_error_errno(errno, "Failed to open /run/systemd/machines: %m"); + } + + FOREACH_DIRENT(de, d, return -errno) { + struct Machine *machine; + int k; + + if (!dirent_is_file(de)) + continue; + + /* Ignore symlinks that map the unit name to the machine */ + if (startswith(de->d_name, "unit:")) + continue; + + if (!machine_name_is_valid(de->d_name)) + continue; + + k = manager_add_machine(m, de->d_name, &machine); + if (k < 0) { + r = log_error_errno(k, "Failed to add machine by file name %s: %m", de->d_name); + continue; + } + + machine_add_to_gc_queue(machine); + + k = machine_load(machine); + if (k < 0) + r = k; + } + + return r; +} + +static int manager_connect_bus(Manager *m) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(m); + assert(!m->bus); + + r = sd_bus_default_system(&m->bus); + if (r < 0) + return log_error_errno(r, "Failed to connect to system bus: %m"); + + r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", manager_vtable, m); + if (r < 0) + return log_error_errno(r, "Failed to add manager object vtable: %m"); + + r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/machine1/machine", "org.freedesktop.machine1.Machine", machine_vtable, machine_object_find, m); + if (r < 0) + return log_error_errno(r, "Failed to add machine object vtable: %m"); + + r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/machine1/machine", machine_node_enumerator, m); + if (r < 0) + return log_error_errno(r, "Failed to add machine enumerator: %m"); + + r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/machine1/image", "org.freedesktop.machine1.Image", image_vtable, image_object_find, m); + if (r < 0) + return log_error_errno(r, "Failed to add image object vtable: %m"); + + r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/machine1/image", image_node_enumerator, m); + if (r < 0) + return log_error_errno(r, "Failed to add image enumerator: %m"); + + r = sd_bus_add_match(m->bus, + NULL, + "type='signal'," + "sender='org.freedesktop.systemd1'," + "interface='org.freedesktop.systemd1.Manager'," + "member='JobRemoved'," + "path='/org/freedesktop/systemd1'", + match_job_removed, + m); + if (r < 0) + return log_error_errno(r, "Failed to add match for JobRemoved: %m"); + + r = sd_bus_add_match(m->bus, + NULL, + "type='signal'," + "sender='org.freedesktop.systemd1'," + "interface='org.freedesktop.systemd1.Manager'," + "member='UnitRemoved'," + "path='/org/freedesktop/systemd1'", + match_unit_removed, + m); + if (r < 0) + return log_error_errno(r, "Failed to add match for UnitRemoved: %m"); + + r = sd_bus_add_match(m->bus, + NULL, + "type='signal'," + "sender='org.freedesktop.systemd1'," + "interface='org.freedesktop.DBus.Properties'," + "member='PropertiesChanged'," + "arg0='org.freedesktop.systemd1.Unit'", + match_properties_changed, + m); + if (r < 0) + return log_error_errno(r, "Failed to add match for PropertiesChanged: %m"); + + r = sd_bus_add_match(m->bus, + NULL, + "type='signal'," + "sender='org.freedesktop.systemd1'," + "interface='org.freedesktop.systemd1.Manager'," + "member='Reloading'," + "path='/org/freedesktop/systemd1'", + match_reloading, + m); + if (r < 0) + return log_error_errno(r, "Failed to add match for Reloading: %m"); + + r = sd_bus_call_method( + m->bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "Subscribe", + &error, + NULL, NULL); + if (r < 0) { + log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); + return r; + } + + r = sd_bus_request_name(m->bus, "org.freedesktop.machine1", 0); + if (r < 0) + return log_error_errno(r, "Failed to register name: %m"); + + r = sd_bus_attach_event(m->bus, m->event, 0); + if (r < 0) + return log_error_errno(r, "Failed to attach bus to event loop: %m"); + + return 0; +} + +void manager_gc(Manager *m, bool drop_not_started) { + Machine *machine; + + assert(m); + + while ((machine = m->machine_gc_queue)) { + LIST_REMOVE(gc_queue, m->machine_gc_queue, machine); + machine->in_gc_queue = false; + + /* First, if we are not closing yet, initiate stopping */ + if (!machine_check_gc(machine, drop_not_started) && + machine_get_state(machine) != MACHINE_CLOSING) + machine_stop(machine); + + /* Now, the stop probably made this referenced + * again, but if it didn't, then it's time to let it + * go entirely. */ + if (!machine_check_gc(machine, drop_not_started)) { + machine_finalize(machine); + machine_free(machine); + } + } +} + +int manager_startup(Manager *m) { + Machine *machine; + Iterator i; + int r; + + assert(m); + + /* Connect to the bus */ + r = manager_connect_bus(m); + if (r < 0) + return r; + + /* Deserialize state */ + manager_enumerate_machines(m); + + /* Remove stale objects before we start them */ + manager_gc(m, false); + + /* And start everything */ + HASHMAP_FOREACH(machine, m->machines, i) + machine_start(machine, NULL, NULL); + + return 0; +} + +static bool check_idle(void *userdata) { + Manager *m = userdata; + + if (m->operations) + return false; + + manager_gc(m, true); + + return hashmap_isempty(m->machines); +} + +int manager_run(Manager *m) { + assert(m); + + return bus_event_loop_with_idle( + m->event, + m->bus, + "org.freedesktop.machine1", + DEFAULT_EXIT_USEC, + check_idle, m); +} + +int main(int argc, char *argv[]) { + Manager *m = NULL; + int r; + + log_set_target(LOG_TARGET_AUTO); + log_set_facility(LOG_AUTH); + log_parse_environment(); + log_open(); + + umask(0022); + + if (argc != 1) { + log_error("This program takes no arguments."); + r = -EINVAL; + goto finish; + } + + /* Always create the directories people can create inotify + * watches in. Note that some applications might check for the + * existence of /run/systemd/machines/ to determine whether + * machined is available, so please always make sure this + * check stays in. */ + mkdir_label("/run/systemd/machines", 0755); + + assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0); + + m = manager_new(); + if (!m) { + r = log_oom(); + goto finish; + } + + r = manager_startup(m); + if (r < 0) { + log_error_errno(r, "Failed to fully start up daemon: %m"); + goto finish; + } + + log_debug("systemd-machined running as pid "PID_FMT, getpid()); + + sd_notify(false, + "READY=1\n" + "STATUS=Processing requests..."); + + r = manager_run(m); + + log_debug("systemd-machined stopped as pid "PID_FMT, getpid()); + +finish: + manager_free(m); + + return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; +} diff --git a/src/grp-machine/systemd-machined/org.freedesktop.machine1.conf b/src/grp-machine/systemd-machined/org.freedesktop.machine1.conf new file mode 100644 index 0000000000..562b9d3cc0 --- /dev/null +++ b/src/grp-machine/systemd-machined/org.freedesktop.machine1.conf @@ -0,0 +1,198 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/src/grp-machine/systemd-machined/org.freedesktop.machine1.policy.in b/src/grp-machine/systemd-machined/org.freedesktop.machine1.policy.in new file mode 100644 index 0000000000..69f78a5c25 --- /dev/null +++ b/src/grp-machine/systemd-machined/org.freedesktop.machine1.policy.in @@ -0,0 +1,102 @@ + + + + + + + + The systemd Project + http://www.freedesktop.org/wiki/Software/systemd + + + <_description>Log into a local container + <_message>Authentication is required to log into a local container. + + auth_admin + auth_admin + auth_admin_keep + + + + + <_description>Log into the local host + <_message>Authentication is required to log into the local host. + + auth_admin + auth_admin + yes + + + + + <_description>Acquire a shell in a local container + <_message>Authentication is required to acquire a shell in a local container. + + auth_admin + auth_admin + auth_admin_keep + + org.freedesktop.login1.login + + + + <_description>Acquire a shell on the local host + <_message>Authentication is required to acquire a shell on the local host. + + auth_admin + auth_admin + auth_admin_keep + + org.freedesktop.login1.host-login + + + + <_description>Acquire a pseudo TTY in a local container + <_message>Authentication is required to acquire a pseudo TTY in a local container. + + auth_admin + auth_admin + auth_admin_keep + + + + + <_description>Acquire a pseudo TTY on the local host + <_message>Authentication is required to acquire a pseudo TTY on the local host. + + auth_admin + auth_admin + auth_admin_keep + + + + + <_description>Manage local virtual machines and containers + <_message>Authentication is required to manage local virtual machines and containers. + + auth_admin + auth_admin + auth_admin_keep + + org.freedesktop.login1.shell org.freedesktop.login1.login + + + + <_description>Manage local virtual machine and container images + <_message>Authentication is required to manage local virtual machine and container images. + + auth_admin + auth_admin + auth_admin_keep + + + + diff --git a/src/grp-machine/systemd-machined/org.freedesktop.machine1.service b/src/grp-machine/systemd-machined/org.freedesktop.machine1.service new file mode 100644 index 0000000000..d3dc99852b --- /dev/null +++ b/src/grp-machine/systemd-machined/org.freedesktop.machine1.service @@ -0,0 +1,12 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[D-BUS Service] +Name=org.freedesktop.machine1 +Exec=/bin/false +User=root +SystemdService=dbus-org.freedesktop.machine1.service diff --git a/src/grp-machine/systemd-machined/systemd-machined.service.in b/src/grp-machine/systemd-machined/systemd-machined.service.in new file mode 100644 index 0000000000..911ead79ee --- /dev/null +++ b/src/grp-machine/systemd-machined/systemd-machined.service.in @@ -0,0 +1,27 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Virtual Machine and Container Registration Service +Documentation=man:systemd-machined.service(8) +Documentation=http://www.freedesktop.org/wiki/Software/systemd/machined +Wants=machine.slice +After=machine.slice + +[Service] +ExecStart=@rootlibexecdir@/systemd-machined +BusName=org.freedesktop.machine1 +WatchdogSec=3min +CapabilityBoundingSet=CAP_KILL CAP_SYS_PTRACE CAP_SYS_ADMIN CAP_SETGID CAP_SYS_CHROOT CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_CHOWN CAP_FOWNER CAP_FSETID CAP_MKNOD +MemoryDenyWriteExecute=yes +RestrictRealtime=yes +RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6 +SystemCallFilter=~@clock @cpu-emulation @debug @keyring @module @obsolete @raw-io + +# Note that machined cannot be placed in a mount namespace, since it +# needs access to the host's mount namespace in order to implement the +# "machinectl bind" operation. diff --git a/src/grp-machine/systemd-machined/systemd-machined.service.xml b/src/grp-machine/systemd-machined/systemd-machined.service.xml new file mode 100644 index 0000000000..999aeee1c6 --- /dev/null +++ b/src/grp-machine/systemd-machined/systemd-machined.service.xml @@ -0,0 +1,90 @@ + + + + + + + + + systemd-machined.service + systemd + + + + Developer + Lennart + Poettering + lennart@poettering.net + + + + + + systemd-machined.service + 8 + + + + systemd-machined.service + systemd-machined + Virtual machine and container registration manager + + + + systemd-machined.service + /usr/lib/systemd/systemd-machined + + + + Description + + systemd-machined is a system service that + keeps track of virtual machines and containers, and processes + belonging to them. + + See + systemd-nspawn1 + for some examples on how to run containers with OS tools. + + Use + nss-mymachines8 + to make the names of local containers known to + systemd-machined locally resolvable as host + names. + + See the + + machined D-Bus API Documentation for information about the + APIs systemd-machined provides. + + + + See Also + + systemd1, + machinectl1, + systemd-nspawn1, + nss-mymachines8, + systemd.special7 + + + + -- cgit v1.2.3-54-g00ecf