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	diff --git a/lib/services/systemd.c b/lib/services/systemd.c
	index 224ae01f73..b7fb5168d1 100644
	--- a/lib/services/systemd.c
	+++ b/lib/services/systemd.c
	@@ -1,683 +1,684 @@
	/*
	* This program 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 2.1 of the License, or (at your option) any later version.
	*
	* This software 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 this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	* Copyright (C) 2012 Andrew Beekhof <andrew@beekhof.net>
	*/

	#include <crm_internal.h>
	#include <crm/crm.h>
	#include <crm/services.h>
	#include <crm/common/mainloop.h>

	#include <gio/gio.h>
	#include <services_private.h>
	#include <systemd.h>
	#include <dbus/dbus.h>
	#include <pcmk-dbus.h>

	#define BUS_NAME "org.freedesktop.systemd1"
	#define BUS_PATH "/org/freedesktop/systemd1"

	#define BUS_PROPERTY_IFACE "org.freedesktop.DBus.Properties"

	/*
	/usr/share/dbus-1/interfaces/org.freedesktop.systemd1.Manager.xml
	*/
	gboolean
	systemd_unit_exec_with_unit(svc_action_t * op, const char *unit);


	struct unit_info {
	const char *id;
	const char *description;
	const char *load_state;
	const char *active_state;
	const char *sub_state;
	const char *following;
	const char *unit_path;
	uint32_t job_id;
	const char *job_type;
	const char *job_path;
	};

	struct pcmk_dbus_data
	{
	char *name;
	char *unit;
	DBusError error;
	svc_action_t *op;
	void (callback)(DBusMessage reply, svc_action_t *op);
	};

	static DBusMessage systemd_new_method(const char iface, const char *method)
	{
	crm_trace("Calling: %s on %s", method, iface);
	return dbus_message_new_method_call(BUS_NAME, // target for the method call
	BUS_PATH, // object to call on
	iface, // interface to call on
	method); // method name
	}


	static DBusConnection* systemd_proxy = NULL;
	static gboolean
	systemd_init(void)
	{
	static int need_init = 1;
	/* http://dbus.freedesktop.org/doc/api/html/group__DBusConnection.html */

	if (need_init) {
	need_init = 0;
	systemd_proxy = pcmk_dbus_connect();
	}
	if (systemd_proxy == NULL) {
	return FALSE;
	}
	return TRUE;
	}

	void
	systemd_cleanup(void)
	{
	if (systemd_proxy) {
	pcmk_dbus_disconnect(systemd_proxy);
	systemd_proxy = NULL;
	}
	}

	static char *
	systemd_service_name(const char *name)
	{
	if (name == NULL) {
	return NULL;

	} else if (strstr(name, ".service")) {
	return strdup(name);
	}

	return crm_strdup_printf("%s.service", name);
	}

	static void
	systemd_daemon_reload_complete(DBusPendingCall pending, void user_data)
	{
	DBusError error;
	DBusMessage *reply = NULL;
	unsigned int reload_count = GPOINTER_TO_UINT(user_data);

	dbus_error_init(&error);
	if(pending) {
	reply = dbus_pending_call_steal_reply(pending);
	}

	if(pcmk_dbus_find_error("Reload", pending, reply, &error)) {
	crm_err("Could not issue systemd reload %d: %s", reload_count, error.message);

	} else {
	crm_trace("Reload %d complete", reload_count);
	}

	if(pending) {
	dbus_pending_call_unref(pending);
	}
	if(reply) {
	dbus_message_unref(reply);
	}
	}

	static bool
	systemd_daemon_reload(int timeout)
	{
	static unsigned int reload_count = 0;
	const char *method = "Reload";


	reload_count++;
	if(reload_count % 10 == 0) {
	DBusMessage *msg = systemd_new_method(BUS_NAME".Manager", method);

	CRM_ASSERT(msg != NULL);
	pcmk_dbus_send(msg, systemd_proxy, systemd_daemon_reload_complete, GUINT_TO_POINTER(reload_count), timeout);
	dbus_message_unref(msg);
	}
	return TRUE;
	}

	+static bool
	+systemd_mask_error(svc_action_t op, const char error)
	+{
	+ crm_trace("Could not issue %s for %s: %s", op->action, op->rsc, error);
	+ if(strstr(error, "org.freedesktop.systemd1.InvalidName")
	+ \|\| strstr(error, "org.freedesktop.systemd1.LoadFailed")
	+ \|\| strstr(error, "org.freedesktop.systemd1.NoSuchUnit")) {
	+
	+ if (safe_str_eq(op->action, "stop")) {
	+ crm_trace("Masking %s failure for %s: unknown services are stopped", op->action, op->rsc);
	+ op->rc = PCMK_OCF_OK;
	+ return TRUE;
	+
	+ } else {
	+ crm_trace("Mapping %s failure for %s: unknown services are not installed", op->action, op->rsc);
	+ op->rc = PCMK_OCF_NOT_INSTALLED;
	+ op->status = PCMK_LRM_OP_NOT_INSTALLED;
	+ return FALSE;
	+ }
	+ }
	+
	+ return FALSE;
	+}
	+
	static const char *
	systemd_loadunit_result(DBusMessage reply, svc_action_t op)
	{
	const char *path = NULL;
	+ DBusError error;

	- if(pcmk_dbus_find_error("LoadUnit", (void*)&path, reply, NULL)) {
	- if(op) {
	- crm_warn("No unit found for %s", op->rsc);
	+ if(pcmk_dbus_find_error("LoadUnit", (void*)&path, reply, &error)) {
	+ if(op && !systemd_mask_error(op, error.name)) {
	+ crm_err("Could not find unit %s for %s: LoadUnit error '%s'",
	+ op->agent, op->id, error.name);
	}

	} else if(pcmk_dbus_type_check(reply, NULL, DBUS_TYPE_OBJECT_PATH, __FUNCTION__, __LINE__)) {
	dbus_message_get_args (reply, NULL,
	DBUS_TYPE_OBJECT_PATH, &path,
	DBUS_TYPE_INVALID);
	}

	if(op) {
	- systemd_unit_exec_with_unit(op, path);
	+ if (path) {
	+ systemd_unit_exec_with_unit(op, path);
	+
	+ } else if (op->synchronous == FALSE) {
	+ operation_finalize(op);
	+ }
	}

	return path;
	}


	static void
	systemd_loadunit_cb(DBusPendingCall pending, void user_data)
	{
	DBusMessage *reply = NULL;
	svc_action_t * op = user_data;

	if(pending) {
	reply = dbus_pending_call_steal_reply(pending);
	}

	crm_trace("Got result: %p for %p / %p for %s", reply, pending, op->opaque->pending, op->id);

	CRM_LOG_ASSERT(pending == op->opaque->pending);
	services_set_op_pending(op, NULL);

	systemd_loadunit_result(reply, user_data);

	if(reply) {
	dbus_message_unref(reply);
	}
	}

	static char *
	systemd_unit_by_name(const gchar * arg_name, svc_action_t *op)
	{
	DBusMessage *msg;
	DBusMessage *reply = NULL;
	DBusPendingCall* pending = NULL;
	char *name = NULL;

	/*
	Equivalent to GetUnit if its already loaded
	<method name="LoadUnit">
	<arg name="name" type="s" direction="in"/>
	<arg name="unit" type="o" direction="out"/>
	</method>
	*/

	if (systemd_init() == FALSE) {
	return FALSE;
	}

	msg = systemd_new_method(BUS_NAME".Manager", "LoadUnit");
	CRM_ASSERT(msg != NULL);

	name = systemd_service_name(arg_name);
	CRM_LOG_ASSERT(dbus_message_append_args(msg, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID));
	free(name);

	if(op == NULL \|\| op->synchronous) {
	const char *unit = NULL;
	char *munit = NULL;
	DBusError error;

	dbus_error_init(&error);
	reply = pcmk_dbus_send_recv(msg, systemd_proxy, &error, op? op->timeout : DBUS_TIMEOUT_USE_DEFAULT);
	dbus_message_unref(msg);

	unit = systemd_loadunit_result(reply, op);
	if(unit) {
	munit = strdup(unit);
	}
	if(reply) {
	dbus_message_unref(reply);
	}
	return munit;
	}

	pending = pcmk_dbus_send(msg, systemd_proxy, systemd_loadunit_cb, op, op->timeout);
	if(pending) {
	services_set_op_pending(op, pending);
	}

	dbus_message_unref(msg);
	return NULL;
	}

	GList *
	systemd_unit_listall(void)
	{
	int lpc = 0;
	GList *units = NULL;
	DBusMessageIter args;
	DBusMessageIter unit;
	DBusMessageIter elem;
	DBusMessage *msg = NULL;
	DBusMessage *reply = NULL;
	const char *method = "ListUnits";
	DBusError error;

	if (systemd_init() == FALSE) {
	return NULL;
	}

	/*
	" <method name=\"ListUnits\">\n" \
	" <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \
	" </method>\n" \
	*/

	dbus_error_init(&error);
	msg = systemd_new_method(BUS_NAME".Manager", method);
	CRM_ASSERT(msg != NULL);

	reply = pcmk_dbus_send_recv(msg, systemd_proxy, &error, DBUS_TIMEOUT_USE_DEFAULT);
	dbus_message_unref(msg);

	if(error.name) {
	crm_err("Call to %s failed: %s", method, error.name);
	return NULL;

	} else if (reply == NULL) {
	crm_err("Call to %s failed: Message has no reply", method);
	return NULL;

	} else if (!dbus_message_iter_init(reply, &args)) {
	crm_err("Call to %s failed: Message has no arguments", method);
	dbus_message_unref(reply);
	return NULL;
	}

	if(!pcmk_dbus_type_check(reply, &args, DBUS_TYPE_ARRAY, __FUNCTION__, __LINE__)) {
	crm_err("Call to %s failed: Message has invalid arguments", method);
	dbus_message_unref(reply);
	return NULL;
	}

	dbus_message_iter_recurse(&args, &unit);
	while (dbus_message_iter_get_arg_type (&unit) != DBUS_TYPE_INVALID) {
	DBusBasicValue value;

	if(!pcmk_dbus_type_check(reply, &unit, DBUS_TYPE_STRUCT, __FUNCTION__, __LINE__)) {
	continue;
	}

	dbus_message_iter_recurse(&unit, &elem);
	if(!pcmk_dbus_type_check(reply, &elem, DBUS_TYPE_STRING, __FUNCTION__, __LINE__)) {
	continue;
	}

	dbus_message_iter_get_basic(&elem, &value);
	crm_trace("Got: %s", value.str);
	if(value.str) {
	char *match = strstr(value.str, ".service");

	if (match) {
	lpc++;
	match[0] = 0;

	units = g_list_append(units, strdup(value.str));
	}
	}
	dbus_message_iter_next (&unit);
	}

	dbus_message_unref(reply);

	crm_trace("Found %d systemd services", lpc);
	return units;
	}

	gboolean
	systemd_unit_exists(const char *name)
	{
	char *unit = NULL;

	/* Note: Makes a blocking dbus calls
	* Used by resources_find_service_class() when resource class=service
	*/
	unit = systemd_unit_by_name(name, NULL);
	if(unit) {
	free(unit);
	return TRUE;
	}
	return FALSE;
	}

	static char *
	systemd_unit_metadata(const char *name, int timeout)
	{
	char *meta = NULL;
	char *desc = NULL;
	char *path = systemd_unit_by_name(name, NULL);

	if (path) {
	/* TODO: Worth a making blocking call for? Probably not. Possibly if cached. */
	desc = pcmk_dbus_get_property(systemd_proxy, BUS_NAME, path, BUS_NAME ".Unit", "Description", NULL, NULL, NULL, timeout);
	} else {
	desc = crm_strdup_printf("Systemd unit file for %s", name);
	}

	meta = crm_strdup_printf("<?xml version=\"1.0\"?>\n"
	"<!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n"
	"<resource-agent name=\"%s\" version=\"0.1\">\n"
	" <version>1.0</version>\n"
	" <longdesc lang=\"en\">\n"
	" %s\n"
	" </longdesc>\n"
	" <shortdesc lang=\"en\">systemd unit file for %s</shortdesc>\n"
	" <parameters>\n"
	" </parameters>\n"
	" <actions>\n"
	" <action name=\"start\" timeout=\"15\" />\n"
	" <action name=\"stop\" timeout=\"15\" />\n"
	" <action name=\"status\" timeout=\"15\" />\n"
	" <action name=\"restart\" timeout=\"15\" />\n"
	" <action name=\"monitor\" timeout=\"15\" interval=\"15\" start-delay=\"15\" />\n"
	" <action name=\"meta-data\" timeout=\"5\" />\n"
	" </actions>\n"
	" <special tag=\"systemd\">\n"
	" </special>\n" "</resource-agent>\n", name, desc, name);
	free(desc);
	free(path);
	return meta;
	}

	-static bool
	-systemd_mask_error(svc_action_t op, const char error)
	-{
	- crm_trace("Could not issue %s for %s: %s", op->action, op->rsc, error);
	- if(strstr(error, "org.freedesktop.systemd1.InvalidName")
	- \|\| strstr(error, "org.freedesktop.systemd1.LoadFailed")
	- \|\| strstr(error, "org.freedesktop.systemd1.NoSuchUnit")) {
	-
	- if (safe_str_eq(op->action, "stop")) {
	- crm_trace("Masking %s failure for %s: unknown services are stopped", op->action, op->rsc);
	- op->rc = PCMK_OCF_OK;
	- return TRUE;
	-
	- } else {
	- crm_trace("Mapping %s failure for %s: unknown services are not installed", op->action, op->rsc);
	- op->rc = PCMK_OCF_NOT_INSTALLED;
	- op->status = PCMK_LRM_OP_NOT_INSTALLED;
	- return FALSE;
	- }
	- }
	-
	- return FALSE;
	-}
	-
	static void
	systemd_exec_result(DBusMessage reply, svc_action_t op)
	{
	DBusError error;

	if(pcmk_dbus_find_error(op->action, (void*)&error, reply, &error)) {

	/* ignore "already started" or "not running" errors */
	if (!systemd_mask_error(op, error.name)) {
	crm_err("Could not issue %s for %s: %s (%s)", op->action, op->rsc, error.message);
	}

	} else {
	if(!pcmk_dbus_type_check(reply, NULL, DBUS_TYPE_OBJECT_PATH, __FUNCTION__, __LINE__)) {
	crm_warn("Call to %s passed but return type was unexpected", op->action);
	op->rc = PCMK_OCF_OK;

	} else {
	const char *path = NULL;

	dbus_message_get_args (reply, NULL,
	DBUS_TYPE_OBJECT_PATH, &path,
	DBUS_TYPE_INVALID);
	crm_info("Call to %s passed: %s", op->action, path);
	op->rc = PCMK_OCF_OK;
	}
	}

	operation_finalize(op);
	}

	static void
	systemd_async_dispatch(DBusPendingCall pending, void user_data)
	{
	DBusError error;
	DBusMessage *reply = NULL;
	svc_action_t *op = user_data;

	dbus_error_init(&error);
	if(pending) {
	reply = dbus_pending_call_steal_reply(pending);
	}

	crm_trace("Got result: %p for %p for %s, %s", reply, pending, op->rsc, op->action);

	CRM_LOG_ASSERT(pending == op->opaque->pending);
	services_set_op_pending(op, NULL);
	systemd_exec_result(reply, op);

	if(reply) {
	dbus_message_unref(reply);
	}
	}

	#define SYSTEMD_OVERRIDE_ROOT "/run/systemd/system/"

	static void
	systemd_unit_check(const char name, const char state, void *userdata)
	{
	svc_action_t * op = userdata;

	crm_trace("Resource %s has %s='%s'", op->rsc, name, state);

	if(state == NULL) {
	op->rc = PCMK_OCF_NOT_RUNNING;

	} else if (g_strcmp0(state, "active") == 0) {
	op->rc = PCMK_OCF_OK;
	} else if (g_strcmp0(state, "activating") == 0) {
	op->rc = PCMK_OCF_PENDING;
	} else if (g_strcmp0(state, "deactivating") == 0) {
	op->rc = PCMK_OCF_PENDING;
	} else {
	op->rc = PCMK_OCF_NOT_RUNNING;
	}

	if (op->synchronous == FALSE) {
	services_set_op_pending(op, NULL);
	operation_finalize(op);
	}
	}

	gboolean
	systemd_unit_exec_with_unit(svc_action_t * op, const char *unit)
	{
	const char *method = op->action;
	DBusMessage *msg = NULL;
	DBusMessage *reply = NULL;

	- if (unit == NULL) {
	- crm_debug("Could not obtain unit named '%s'", op->agent);
	- op->rc = PCMK_OCF_NOT_INSTALLED;
	- op->status = PCMK_LRM_OP_NOT_INSTALLED;
	- goto cleanup;
	- }
	+ CRM_ASSERT(unit);

	if (safe_str_eq(op->action, "monitor") \|\| safe_str_eq(method, "status")) {
	DBusPendingCall *pending = NULL;
	char *state;

	state = pcmk_dbus_get_property(systemd_proxy, BUS_NAME, unit,
	BUS_NAME ".Unit", "ActiveState",
	op->synchronous?NULL:systemd_unit_check,
	op, op->synchronous?NULL:&pending, op->timeout);
	if (op->synchronous) {
	systemd_unit_check("ActiveState", state, op);
	free(state);
	return op->rc == PCMK_OCF_OK;
	} else if (pending) {
	services_set_op_pending(op, pending);
	return TRUE;
	}

	return FALSE;

	} else if (g_strcmp0(method, "start") == 0) {
	FILE *file_strm = NULL;
	char *override_dir = crm_strdup_printf("%s/%s.service.d", SYSTEMD_OVERRIDE_ROOT, op->agent);
	char *override_file = crm_strdup_printf("%s/%s.service.d/50-pacemaker.conf", SYSTEMD_OVERRIDE_ROOT, op->agent);

	method = "StartUnit";
	crm_build_path(override_dir, 0755);

	file_strm = fopen(override_file, "w");
	if (file_strm != NULL) {
	/* TODO: Insert the start timeout in too */
	char *override = crm_strdup_printf(
	"[Unit]\n"
	"Description=Cluster Controlled %s\n"
	"Before=pacemaker.service\n"
	"\n"
	"[Service]\n"
	"Restart=no\n",
	op->agent);

	int rc = fprintf(file_strm, "%s\n", override);

	free(override);
	if (rc < 0) {
	crm_perror(LOG_ERR, "Cannot write to systemd override file %s", override_file);
	}

	} else {
	crm_err("Cannot open systemd override file %s for writing", override_file);
	}

	if (file_strm != NULL) {
	fflush(file_strm);
	fclose(file_strm);
	}
	systemd_daemon_reload(op->timeout);
	free(override_file);
	free(override_dir);

	} else if (g_strcmp0(method, "stop") == 0) {
	char *override_file = crm_strdup_printf("%s/%s.service.d/50-pacemaker.conf", SYSTEMD_OVERRIDE_ROOT, op->agent);

	method = "StopUnit";
	unlink(override_file);
	free(override_file);
	systemd_daemon_reload(op->timeout);

	} else if (g_strcmp0(method, "restart") == 0) {
	method = "RestartUnit";

	} else {
	op->rc = PCMK_OCF_UNIMPLEMENT_FEATURE;
	goto cleanup;
	}

	crm_debug("Calling %s for %s: %s", method, op->rsc, unit);

	msg = systemd_new_method(BUS_NAME".Manager", method);
	CRM_ASSERT(msg != NULL);

	/* (ss) */
	{
	const char *replace_s = "replace";
	char *name = systemd_service_name(op->agent);

	CRM_LOG_ASSERT(dbus_message_append_args(msg, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID));
	CRM_LOG_ASSERT(dbus_message_append_args(msg, DBUS_TYPE_STRING, &replace_s, DBUS_TYPE_INVALID));

	free(name);
	}

	if (op->synchronous == FALSE) {
	DBusPendingCall* pending = pcmk_dbus_send(msg, systemd_proxy, systemd_async_dispatch, op, op->timeout);

	dbus_message_unref(msg);
	if(pending) {
	services_set_op_pending(op, pending);
	return TRUE;
	}
	return FALSE;

	} else {
	DBusError error;

	reply = pcmk_dbus_send_recv(msg, systemd_proxy, &error, op->timeout);
	dbus_message_unref(msg);
	systemd_exec_result(reply, op);

	if(reply) {
	dbus_message_unref(reply);
	}
	return FALSE;
	}

	cleanup:
	if (op->synchronous == FALSE) {
	- operation_finalize(op);
	- return TRUE;
	+ return operation_finalize(op);
	}

	return op->rc == PCMK_OCF_OK;
	}

	static gboolean
	systemd_timeout_callback(gpointer p)
	{
	svc_action_t * op = p;

	op->opaque->timerid = 0;
	crm_warn("%s operation on systemd unit %s named '%s' timed out", op->action, op->agent, op->rsc);
	operation_finalize(op);

	return FALSE;
	}

	gboolean
	systemd_unit_exec(svc_action_t * op)
	{
	char *unit = NULL;

	CRM_ASSERT(op);
	CRM_ASSERT(systemd_init());
	op->rc = PCMK_OCF_UNKNOWN_ERROR;
	crm_debug("Performing %ssynchronous %s op on systemd unit %s named '%s'",
	op->synchronous ? "" : "a", op->action, op->agent, op->rsc);

	if (safe_str_eq(op->action, "meta-data")) {
	/* TODO: See if we can teach the lrmd not to make these calls synchronously */
	op->stdout_data = systemd_unit_metadata(op->agent, op->timeout);
	op->rc = PCMK_OCF_OK;

	if (op->synchronous == FALSE) {
	operation_finalize(op);
	}
	return TRUE;
	}

	unit = systemd_unit_by_name(op->agent, op);
	free(unit);

	if (op->synchronous == FALSE) {
	op->opaque->timerid = g_timeout_add(op->timeout + 5000, systemd_timeout_callback, op);
	return TRUE;
	}

	return op->rc == PCMK_OCF_OK;
	}

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