Esempio n. 1
0
gboolean
upstart_job_running(const gchar * name)
{
    bool running = FALSE;
    char *job = NULL;

    if(upstart_job_by_name(name, &job)) {
        char *path = get_first_instance(job);

        if (path) {
            char *state = pcmk_dbus_get_property(
                upstart_proxy, BUS_NAME, path, UPSTART_06_API ".Instance", "state");

            crm_info("State of %s: %s", name, state);
            if (state) {
                running = !g_strcmp0(state, "running");
            }
            free(state);
        }
        free(path);
    }

    free(job);
    crm_info("%s is%s running", name, running ? "" : " not");
    return running;
}
Esempio n. 2
0
gboolean
systemd_unit_exec_with_unit(svc_action_t * op, const char *unit)
{
    const char *method = op->action;
    DBusMessage *msg = NULL;
    DBusMessage *reply = NULL;

    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;

        } else {
            return operation_finalize(op);
        }

    } 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 {
Esempio n. 3
0
static inline char *
systemd_get_property(const char *unit, const char *name,
                     void (*callback)(const char *name, const char *value, void *userdata),
                     void *userdata, DBusPendingCall **pending, int timeout)
{
    return systemd_proxy?
           pcmk_dbus_get_property(systemd_proxy, BUS_NAME, unit, BUS_NAME_UNIT,
                                  name, callback, userdata, pending, timeout)
           : NULL;
}
Esempio n. 4
0
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;
}
Esempio n. 5
0
/* For a synchronous 'op', returns FALSE if 'op' fails */
gboolean
upstart_job_exec(svc_action_t * op, gboolean synchronous)
{
    char *job = NULL;
    int arg_wait = TRUE;
    const char *arg_env = "pacemaker=1";
    const char *action = op->action;

    DBusError error;
    DBusMessage *msg = NULL;
    DBusMessage *reply = NULL;
    DBusMessageIter iter, array_iter;

    op->rc = PCMK_OCF_UNKNOWN_ERROR;
    CRM_ASSERT(upstart_init());

    if (safe_str_eq(op->action, "meta-data")) {
        op->stdout_data = upstart_job_metadata(op->agent);
        op->rc = PCMK_OCF_OK;
        goto cleanup;
    }

    if(!upstart_job_by_name(op->agent, &job, op->timeout)) {
        crm_debug("Could not obtain job named '%s' to %s", op->agent, action);
        if (!g_strcmp0(action, "stop")) {
            op->rc = PCMK_OCF_OK;

        } else {
            op->rc = PCMK_OCF_NOT_INSTALLED;
            op->status = PCMK_LRM_OP_NOT_INSTALLED;
        }
        goto cleanup;
    }

    if (safe_str_eq(op->action, "monitor") || safe_str_eq(action, "status")) {

        char *path = get_first_instance(job, op->timeout);

        op->rc = PCMK_OCF_NOT_RUNNING;
        if(path) {
            DBusPendingCall *pending = NULL;
            char *state = pcmk_dbus_get_property(
                upstart_proxy, BUS_NAME, path, UPSTART_06_API ".Instance", "state",
                op->synchronous?NULL:upstart_job_check, op,
                op->synchronous?NULL:&pending, op->timeout);

            free(job);
            free(path);

            if(op->synchronous) {
                upstart_job_check("state", state, op);
                free(state);
                return op->rc == PCMK_OCF_OK;
            } else if (pending) {
                services_set_op_pending(op, pending);
                services_add_inflight_op(op);
                return TRUE;
            }
            return FALSE;
        }
        goto cleanup;

    } else if (!g_strcmp0(action, "start")) {
        action = "Start";
    } else if (!g_strcmp0(action, "stop")) {
        action = "Stop";
    } else if (!g_strcmp0(action, "restart")) {
        action = "Restart";
    } else {
        op->rc = PCMK_OCF_UNIMPLEMENT_FEATURE;
        goto cleanup;
    }

    crm_debug("Calling %s for %s on %s", action, op->rsc, job);

    msg = dbus_message_new_method_call(BUS_NAME, // target for the method call
                                       job, // object to call on
                                       UPSTART_JOB_IFACE, // interface to call on
                                       action); // method name
    CRM_ASSERT(msg != NULL);

    dbus_message_iter_init_append (msg, &iter);

    CRM_LOG_ASSERT(dbus_message_iter_open_container (&iter,
                                                     DBUS_TYPE_ARRAY,
                                                     DBUS_TYPE_STRING_AS_STRING,
                                                     &array_iter));

    CRM_LOG_ASSERT(dbus_message_iter_append_basic (&array_iter, DBUS_TYPE_STRING, &arg_env));
    CRM_LOG_ASSERT(dbus_message_iter_close_container (&iter, &array_iter));

    CRM_LOG_ASSERT(dbus_message_append_args(msg, DBUS_TYPE_BOOLEAN, &arg_wait, DBUS_TYPE_INVALID));

    if (op->synchronous == FALSE) {
        DBusPendingCall* pending = pcmk_dbus_send(msg, upstart_proxy, upstart_async_dispatch, op, op->timeout);
        free(job);

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

    dbus_error_init(&error);
    reply = pcmk_dbus_send_recv(msg, upstart_proxy, &error, op->timeout);

    if(error.name) {
        if(!upstart_mask_error(op, error.name)) {
            crm_err("Could not issue %s for %s: %s (%s)", action, op->rsc, error.name, job);
        }

    } else if (!g_strcmp0(op->action, "stop")) {
        /* No return vaue */
        op->rc = PCMK_OCF_OK;

    } 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;
    }


  cleanup:
    free(job);
    if(msg) {
        dbus_message_unref(msg);
    }

    if(reply) {
        dbus_message_unref(reply);
    }

    if (op->synchronous == FALSE) {
        return operation_finalize(op);
    }
    return op->rc == PCMK_OCF_OK;
}
Esempio n. 6
0
gboolean
systemd_unit_exec_with_unit(svc_action_t * op, const char *unit)
{
    const char *method = op->action;
    DBusMessage *msg = NULL;
    DBusMessage *reply = NULL;

    CRM_ASSERT(unit);

    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;
    }

    if (safe_str_eq(op->action, "monitor") || safe_str_eq(method, "status")) {
        char *state = pcmk_dbus_get_property(systemd_proxy, BUS_NAME, unit, BUS_NAME ".Unit", "ActiveState",
                                             op->synchronous?NULL:systemd_unit_check, op);
        if (op->synchronous) {
            systemd_unit_check("ActiveState", state, op);
            free(state);
            return op->rc == PCMK_OCF_OK;
        }
        return TRUE;

    } else if (g_strcmp0(method, "start") == 0) {
        FILE *file_strm = NULL;
        char *override_dir = g_strdup_printf("%s/%s", SYSTEMD_OVERRIDE_ROOT, unit);
        char *override_file = g_strdup_printf("%s/%s/50-pacemaker.conf", SYSTEMD_OVERRIDE_ROOT, unit);

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

        file_strm = fopen(override_file, "w");
        if (file_strm != NULL) {
            int rc = fprintf(file_strm, "[Service]\nRestart=no");
            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();
        free(override_file);
        free(override_dir);

    } else if (g_strcmp0(method, "stop") == 0) {
        char *override_file = g_strdup_printf("%s/%s/50-pacemaker.conf", SYSTEMD_OVERRIDE_ROOT, unit);

        method = "StopUnit";
        unlink(override_file);
        free(override_file);
        systemd_daemon_reload();

    } 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) {
        return pcmk_dbus_send(msg, systemd_proxy, systemd_async_dispatch, op);

    } else {
        DBusError error;

        reply = pcmk_dbus_send_recv(msg, systemd_proxy, &error);
        systemd_exec_result(reply, op);
        if(reply) {
            dbus_message_unref(reply);
        }
    }

    if(msg) {
        dbus_message_unref(msg);
    }

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

    return op->rc == PCMK_OCF_OK;
}