gboolean
systemd_unit_exec(svc_action_t * op)
{
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->rc = PCMK_OCF_OK;
if (op->synchronous == FALSE) {
operation_finalize(op);
}
return TRUE;
}
systemd_unit_by_name(op->agent, op);
if (op->synchronous == FALSE) {
return TRUE;
}
return op->rc == PCMK_OCF_OK;
}
gboolean
systemd_unit_exists(const char *name)
{
/* Note: Makes a blocking dbus calls
* Used by resources_find_service_class() when resource class=service
*/
if(systemd_unit_by_name(name, NULL)) {
return TRUE;
}
return FALSE;
}
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 char *
systemd_unit_metadata(const char *name)
{
char *path = NULL;
char *meta = NULL;
char *desc = NULL;
GError *error = NULL;
CRM_ASSERT(systemd_init());
if (systemd_unit_by_name(systemd_proxy, name, &path, NULL, &error)) {
desc = systemd_unit_property(path, BUS_NAME ".Unit", "Description");
} else {
desc = g_strdup_printf("systemd unit file for %s", name);
}
meta = g_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);
return meta;
}
gboolean
systemd_unit_exists(const char *name)
{
char *path = NULL;
GError *error = NULL;
gboolean pass = FALSE;
if (systemd_init() == FALSE) {
return FALSE;
}
pass = systemd_unit_by_name(systemd_proxy, name, &path, NULL, &error);
if (error || pass == FALSE) {
crm_err("Call to ListUnits failed: %s", error ? error->message : "unknown");
g_error_free(error);
pass = FALSE;
} else {
crm_trace("Got %s", path);
}
/* free(path) */
return pass;
}
gboolean
systemd_unit_exec(svc_action_t * op, gboolean synchronous)
{
char *unit = NULL;
GError *error = NULL;
gboolean pass = FALSE;
GVariant *_ret = NULL;
const char *action = op->action;
char *name = systemd_service_name(op->agent);
op->rc = PCMK_EXECRA_UNKNOWN_ERROR;
CRM_ASSERT(systemd_init());
crm_debug("Performing %ssynchronous %s op on systemd unit %s named '%s'",
synchronous ? "" : "a", op->action, op->agent, op->rsc);
if (safe_str_eq(op->action, "meta-data")) {
op->stdout_data = systemd_unit_metadata(op->agent);
op->rc = PCMK_EXECRA_OK;
goto cleanup;
}
pass = systemd_unit_by_name(systemd_proxy, op->agent, &unit, NULL, &error);
if (error || pass == FALSE) {
crm_debug("Could not obtain unit named '%s': %s", op->agent,
error ? error->message : "unknown");
if (error && strstr(error->message, "systemd1.NoSuchUnit")) {
op->rc = PCMK_EXECRA_NOT_INSTALLED;
}
g_error_free(error);
goto cleanup;
}
if (safe_str_eq(op->action, "monitor") || safe_str_eq(action, "status")) {
char *state = systemd_unit_property(unit, BUS_NAME ".Unit", "ActiveState");
if (g_strcmp0(state, "active") == 0) {
op->rc = PCMK_EXECRA_OK;
} else {
op->rc = PCMK_EXECRA_NOT_RUNNING;
}
free(state);
goto cleanup;
} else if (g_strcmp0(action, "start") == 0) {
action = "StartUnit";
} else if (g_strcmp0(action, "stop") == 0) {
action = "StopUnit";
} else if (g_strcmp0(action, "restart") == 0) {
action = "RestartUnit";
} else {
op->rc = PCMK_EXECRA_UNIMPLEMENT_FEATURE;
goto cleanup;
}
crm_debug("Calling %s for %s: %s", action, op->rsc, unit);
if (synchronous == FALSE) {
g_dbus_proxy_call(systemd_proxy, action, g_variant_new("(ss)", name, "replace"),
G_DBUS_CALL_FLAGS_NONE, op->timeout, NULL, systemd_unit_exec_done, op);
free(unit);
free(name);
return TRUE;
}
_ret = g_dbus_proxy_call_sync(systemd_proxy, action, g_variant_new("(ss)", name, "replace"),
G_DBUS_CALL_FLAGS_NONE, op->timeout, NULL, &error);
if (error) {
/* ignore "already started" or "not running" errors */
if (safe_str_eq(op->action, "stop")
&& strstr(error->message, "systemd1.InvalidName")) {
crm_trace("Masking Stop failure for %s: unknown services are stopped", op->rsc);
op->rc = PCMK_EXECRA_OK;
} else {
crm_err("Could not issue %s for %s: %s (%s)", action, op->rsc, error->message, unit);
}
g_error_free(error);
} else if(g_variant_is_of_type (_ret, G_VARIANT_TYPE("(o)"))) {
char *path = NULL;
g_variant_get(_ret, "(o)", &path);
crm_info("Call to %s passed: type '%s' %s", op->action, g_variant_get_type_string(_ret),
path);
op->rc = PCMK_EXECRA_OK;
} else {
crm_err("Call to %s passed but return type was '%s' not '(o)'", op->action, g_variant_get_type_string(_ret));
op->rc = PCMK_EXECRA_OK;
}
cleanup:
free(unit);
free(name);
if (_ret) {
g_variant_unref(_ret);
}
if (synchronous == FALSE) {
operation_finalize(op);
return TRUE;
}
return op->rc == PCMK_EXECRA_OK;
}
