Set Default Target

Added Api to set the default target

Signed-off-by: Artiom Divak <[email protected]>

data/org.eclipse.bluechi.Node.xml

@@ -280,6 +280,20 @@
       <arg name="defaulttarget" type="s" direction="out" />
     </method>
 
+    <!--
+      SetDefaultTarget:
+      @defaulttarget the default target.
+      @force bollean value of force.
+      @out the result of the method.
+
+      Set the default value of the system to boot into.
+    -->
+    <method name="SetDefaultTarget">
+      <arg name="defaulttarget" type="s" direction="in" />
+      <arg name="force" type="b" direction="in" />
+      <arg name="out" type="a(sss)" direction="out" />  
+    </method>
+
     <!--
       Name:
 

data/org.eclipse.bluechi.internal.Agent.xml

@@ -100,6 +100,11 @@
     <method name="GetDefaultTarget">
       <arg name="defaulttarget" type="s" direction="out" /> 
     </method>
+    <method name="SetDefaultTarget">
+      <arg name="defaulttarget" type="s" direction="in" />
+      <arg name="force" type="b" direction="in" />
+      <arg name="out" type="a(sss)" direction="out" />  
+    </method>
 
     <signal name="JobDone">
       <arg name="id" type="u" />

doc/man/bluechictl.1.md

@@ -140,3 +140,7 @@ Performs a `reset-failed` on the chosen `bluechi-agent` for the selected units.
 ### **bluechictl** *get-default* [*agent*] 
 
 Fetches the default target on the chosen `bluechi-agent`.
+
+### **bluechictl** *set-default* [*agent*] [file.target]
+
+Changes the default target to `file.target` on the chosen `bluechi-agent`.

src/agent/agent.c

@@ -1787,6 +1787,7 @@ static const sd_bus_vtable internal_agent_vtable[] = {
         SD_BUS_METHOD("StartDep", "s", "", agent_method_start_dep, 0),
         SD_BUS_METHOD("StopDep", "s", "", agent_method_stop_dep, 0),
         SD_BUS_METHOD("GetDefaultTarget", "", "s", agent_method_passthrough_to_systemd, 0),
+        SD_BUS_METHOD("SetDefaultTarget", "sb", "a(sss)", agent_method_passthrough_to_systemd, 0),
         SD_BUS_SIGNAL_WITH_NAMES("JobDone", "us", SD_BUS_PARAM(id) SD_BUS_PARAM(result), 0),
         SD_BUS_SIGNAL_WITH_NAMES("JobStateChanged", "us", SD_BUS_PARAM(id) SD_BUS_PARAM(state), 0),
         SD_BUS_SIGNAL_WITH_NAMES(

src/bindings/python/bluechi/api.py

@@ -880,6 +880,15 @@ def freeze_unit(self, name: str) -> None:
             name,
         )
 
+    def get_default_target(self) -> str:
+        """
+          GetDefaultTarget:
+        @defaulttarget the default target.
+
+        Get the default value of the system to boot into.
+        """
+        return self.get_proxy().GetDefaultTarget()
+
     def get_unit_file_state(self, file: str) -> str:
         """
           GetUnitFileState:
@@ -891,14 +900,6 @@ def get_unit_file_state(self, file: str) -> str:
         return self.get_proxy().GetUnitFileState(
             file,
         )
-    def get_default_target(self) -> str:
-        """
-          GetDefaultTarget:
-         @defaulttarget the default target.
-
-        Get the default value of the system to boot into.
-        """
-        return self.get_proxy().GetDefaultTarget()
 
     def get_unit_properties(self, name: str, interface: str) -> Structure:
         """
@@ -1031,6 +1032,22 @@ def restart_unit(self, name: str, mode: str) -> ObjPath:
             mode,
         )
 
+    def set_default_target(
+        self, defaulttarget: str, force: bool
+    ) -> List[Tuple[str, str, str]]:
+        """
+          SetDefaultTarget:
+        @defaulttarget the default target.
+        @force bollean value of force.
+        @out the result of the method.
+
+        Set the default value of the system to boot into.
+        """
+        return self.get_proxy().SetDefaultTarget(
+            defaulttarget,
+            force,
+        )
+
     def set_log_level(self, level: str) -> None:
         """
           SetLogLevel:

src/client/main.c

@@ -12,9 +12,9 @@
 
 #include "client.h"
 #include "method-daemon-reload.h"
+#include "method-default-target.h"
 #include "method-enable-disable.h"
 #include "method-freeze-thaw.h"
-#include "method-get-default-target.h"
 #include "method-help.h"
 #include "method-is-enabled.h"
 #include "method-kill.h"
@@ -62,6 +62,7 @@ const Method methods[] = {
         { "status",          0, ARG_ANY, OPT_WATCH,                               method_status,             usage_method_status             },
         { "set-loglevel",    1, 2,       OPT_NONE,                                method_set_loglevel,       usage_method_set_loglevel       },
         { "get-default",     1, 1,       OPT_NONE,                                method_get_default_target, usage_method_get_default_target },
+        { "set-default",     3, 3,       OPT_NONE,                                method_set_default_target, usage_method_set_default_target },
         { "version",         0, 0,       OPT_NONE,                                method_version,            usage_bluechi                   },
         { NULL,              0, 0,       0,                                       NULL,                      NULL                            }
 };

src/client/meson.build

@@ -22,7 +22,7 @@ client_src = [
   'method-enable-disable.c',
   'method-reset-failed.c',
   'method-daemon-reload.c',
-  'method-get-default-target.c',
+  'method-default-target.c',
   'usage.c',
 ]
 

src/client/method-default-target.c

@@ -0,0 +1,131 @@
+/*
+ * Copyright Contributors to the Eclipse BlueChi project
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+#include "method-default-target.h"
+#include "client.h"
+#include "usage.h"
+
+#include "libbluechi/common/opt.h"
+
+static int method_get_default_target_on(Client *client, char *node_name) {
+        _cleanup_sd_bus_error_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_sd_bus_message_ sd_bus_message *message = NULL;
+        char *result = NULL;
+        int r = 0;
+
+        r = assemble_object_path_string(NODE_OBJECT_PATH_PREFIX, node_name, &client->object_path);
+        if (r < 0) {
+                return r;
+        }
+
+        r = sd_bus_call_method(
+                        client->api_bus,
+                        BC_INTERFACE_BASE_NAME,
+                        client->object_path,
+                        NODE_INTERFACE,
+                        "GetDefaultTarget",
+                        &error,
+                        &message,
+                        "");
+        if (r < 0) {
+                fprintf(stderr, "Failed to issue method call: %s\n", error.message);
+                return r;
+        }
+
+        r = sd_bus_message_read(message, "s", &result);
+        if (r < 0) {
+                fprintf(stderr, "Failed to parse response message: %s\n", strerror(-r));
+                return r;
+        }
+
+        printf("The default target of this node is: %s\n", result);
+
+        return r;
+}
+
+
+static int method_set_default_target_on(Client *client, char *node_name, char *target, char *force) {
+        _cleanup_sd_bus_error_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_sd_bus_message_ sd_bus_message *message = NULL;
+        int r = 0;
+        bool force_b = 0;
+        if (!strcmp(force, "true")) {
+                force_b = 1;
+        } else if (!strcmp(force, "false")) {
+                force_b = 0;
+        } else {
+                fprintf(stderr, "Please provide a true/false value for force parameter\n");
+                return -1;
+        }
+
+
+        r = assemble_object_path_string(NODE_OBJECT_PATH_PREFIX, node_name, &client->object_path);
+        if (r < 0) {
+                return r;
+        }
+
+        r = sd_bus_call_method(
+                        client->api_bus,
+                        BC_INTERFACE_BASE_NAME,
+                        client->object_path,
+                        NODE_INTERFACE,
+                        "SetDefaultTarget",
+                        &error,
+                        &message,
+                        "sb",
+                        target,
+                        force_b);
+        if (r < 0) {
+                fprintf(stderr, "Failed to issue method call: %s\n", error.message);
+                return r;
+        }
+
+        r = sd_bus_message_enter_container(message, SD_BUS_TYPE_ARRAY, "(sss)");
+        if (r < 0) {
+                fprintf(stderr, "Failed to open the strings array container: %s\n", strerror(-r));
+                return r;
+        }
+        printf("[");
+        for (;;) {
+                const char *result1 = NULL;
+                const char *result2 = NULL;
+                const char *result3 = NULL;
+
+                r = sd_bus_message_read(message, "(sss)", &result1, &result2, &result3);
+                if (r < 0) {
+                        fprintf(stderr, "Failed to read the SetDefaultTarget response: %s\n", strerror(-r));
+                        return r;
+                }
+                if (r == 0) {
+                        break;
+                }
+                printf("(%s %s %s),", result1, result2, result3);
+        }
+        printf("]\n");
+
+        printf("The default target of node %s is now: %s\n", node_name, target);
+
+        return r;
+}
+
+void usage_method_get_default_target() {
+        usage_print_header();
+        usage_print_usage("bluechictl get-default [nodename]");
+}
+
+void usage_method_set_default_target() {
+        usage_print_header();
+        usage_print_usage("bluechictl set-default [nodename]");
+}
+
+
+int method_get_default_target(Command *command, void *userdata) {
+        return method_get_default_target_on(userdata, command->opargv[0]);
+}
+
+int method_set_default_target(Command *command, void *userdata) {
+        return method_set_default_target_on(
+                        userdata, command->opargv[0], command->opargv[1], command->opargv[2]);
+}

src/client/method-get-default-target.h → src/client/method-default-target.h

@@ -9,3 +9,5 @@
 
 int method_get_default_target(Command *command, void *userdata);
 void usage_method_get_default_target();
+int method_set_default_target(Command *command, void *userdata);
+void usage_method_set_default_target();

src/client/method-help.c

@@ -51,6 +51,8 @@ void usage_bluechi() {
         printf("    usage: set-loglevel [nodename] [loglevel]\n");
         printf("  - get-default: get a default target of connected node\n");
         printf("    usage: get-default [nodename]\n");
+        printf("  - set-default: set a default target of connected node\n");
+        printf("    usage: set-default [nodename] [target] [force]\n");
 }
 
 int method_help(UNUSED Command *command, UNUSED void *userdata) {

src/controller/node.c

@@ -88,6 +88,7 @@ static const sd_bus_vtable node_vtable[] = {
         SD_BUS_METHOD("KillUnit", "ssi", "", node_method_passthrough_to_agent, 0),
         SD_BUS_METHOD("SetLogLevel", "s", "", node_method_set_log_level, 0),
         SD_BUS_METHOD("GetDefaultTarget", "", "s", node_method_passthrough_to_agent, 0),
+        SD_BUS_METHOD("SetDefaultTarget", "sb", "a(sss)", node_method_passthrough_to_agent, 0),
         SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Node, name), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("Status", "s", node_property_get_status, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
         SD_BUS_PROPERTY("PeerIp", "s", node_property_get_peer_ip, 0, SD_BUS_VTABLE_PROPERTY_EXPLICIT),

tests/bluechi_test/bluechictl.py

@@ -182,6 +182,22 @@ def get_default_target(
             expected_result,
         )
 
+    def set_default_target(
+        self,
+        node_name: str = "",
+        target: str = "",
+        force: str = "true",
+        check_result: bool = True,
+        expected_result: int = 0,
+    ) -> Tuple[Optional[int], Union[Iterator[bytes], Any, Tuple[bytes, bytes]]]:
+        cmd = f"set-default {node_name} {target} {force}"
+        return self._run(
+            f"SetDefaultTarget of node {node_name} ",
+            cmd,
+            check_result,
+            expected_result,
+        )
+
     def kill_unit(
         self,
         node_name: str,

tests/tests/tier0/bluechictl-set-get-default-target/main.fmf

@@ -0,0 +1,2 @@
+summary: Test the set and get default target function
+id: 6cfa53b6-7429-43fd-a9b5-ff59e98b7408