Add node message support for ACLK new architecture (#11514)

* node info function

* Code cleanup

* Remove unnecessary strdupz / freez functions

* Fix complication error if ACLK_NG is not available

3 files changed, 70 insertions, 6 deletions

diff --git a/database/sqlite/sqlite_aclk.c b/database/sqlite/sqlite_aclk.c
index 6e22be80ed..7dbc8e69ee 100644
--- a/database/sqlite/sqlite_aclk.c
+++ b/database/sqlite/sqlite_aclk.c
@@ -6,7 +6,7 @@
 // TODO: To be added
 //#include "sqlite_aclk_chart.h"
 //#include "sqlite_aclk_alert.h"
-//#include "sqlite_aclk_node.h"
+#include "sqlite_aclk_node.h"
 
 const char *aclk_sync_config[] = {
     NULL,
@@ -412,13 +412,9 @@ void aclk_database_worker(void *arg)
                     break;
 
 // NODE OPERATIONS
-                case ACLK_DATABASE_RESET_NODE:
-                    debug(D_ACLK_SYNC,"Resetting the node instance id of %s", (char *) cmd.data);
-//                    aclk_reset_node_event(wc, cmd);
-                    break;
                 case ACLK_DATABASE_NODE_INFO:
                     debug(D_ACLK_SYNC,"Sending node info for %s", wc->uuid_str);
-//                    sql_build_node_info(wc, cmd);
+                    sql_build_node_info(wc, cmd);
                     break;
                 case ACLK_DATABASE_UPD_STATS:
 //                    sql_update_metric_statistics(wc, cmd);
diff --git a/database/sqlite/sqlite_aclk_node.c b/database/sqlite/sqlite_aclk_node.c
new file mode 100644
index 0000000000..98dbd1f99b
--- /dev/null
+++ b/database/sqlite/sqlite_aclk_node.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "sqlite_functions.h"
+#include "sqlite_aclk_node.h"
+
+#ifdef ACLK_NG
+#include "../../aclk/aclk_charts_api.h"
+#endif
+
+void sql_build_node_info(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
+{
+    UNUSED(cmd);
+
+#ifdef ACLK_NG
+    struct update_node_info node_info;
+
+    rrd_wrlock();
+    node_info.node_id = wc->node_id;
+    node_info.claim_id = is_agent_claimed();
+    node_info.machine_guid = wc->host_guid;
+    node_info.child = (wc->host != localhost);
+    now_realtime_timeval(&node_info.updated_at);
+
+    RRDHOST *host = wc->host;
+
+    node_info.data.name = host->hostname;
+    node_info.data.os = (char *) host->os;
+    node_info.data.os_name = host->system_info->host_os_name;
+    node_info.data.os_version = host->system_info->host_os_version;
+    node_info.data.kernel_name = host->system_info->kernel_name;
+    node_info.data.kernel_version = host->system_info->kernel_version;
+    node_info.data.architecture = host->system_info->architecture;
+    node_info.data.cpus = str2uint32_t(host->system_info->host_cores);
+    node_info.data.cpu_frequency = host->system_info->host_cpu_freq;
+    node_info.data.memory = host->system_info->host_ram_total;
+    node_info.data.disk_space = host->system_info->host_disk_space;
+    node_info.data.version = VERSION;
+    node_info.data.release_channel = "nightly";
+    node_info.data.timezone = (char *) host->abbrev_timezone;
+    node_info.data.virtualization_type = host->system_info->virtualization;
+    node_info.data.container_type = host->system_info->container;
+    node_info.data.custom_info = config_get(CONFIG_SECTION_WEB, "custom dashboard_info.js", "");
+    node_info.data.services = NULL;   // char **
+    node_info.data.service_count = 0;
+    node_info.data.machine_guid = wc->host_guid;
+
+    struct label_index *labels = &host->labels;
+    netdata_rwlock_wrlock(&labels->labels_rwlock);
+    node_info.data.host_labels_head = labels->head;
+
+    aclk_update_node_info(&node_info);
+
+    netdata_rwlock_unlock(&labels->labels_rwlock);
+    rrd_unlock();
+    freez(node_info.claim_id);
+#else
+    UNUSED(wc);
+#endif
+
+    return;
+}
diff --git a/database/sqlite/sqlite_aclk_node.h b/database/sqlite/sqlite_aclk_node.h
new file mode 100644
index 0000000000..b8f8c6bbf4
--- /dev/null
+++ b/database/sqlite/sqlite_aclk_node.h
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_SQLITE_ACLK_NODE_H
+#define NETDATA_SQLITE_ACLK_NODE_H
+
+void sql_build_node_info(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd);
+#endif //NETDATA_SQLITE_ACLK_NODE_H