Extend netdata info API call (#5889)

* Add array of collector plugins-modules to api/v1/info

* Add system info to api/v1/info, collect data from separate script, use environment vars in anonymous statistics script

9 files changed, 268 insertions, 140 deletions

diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index 9611f223f7..e020e517b1 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -17,4 +17,5 @@ dist_noinst_DATA = \
 
 dist_plugins_SCRIPTS = \
 	anonymous-statistics.sh \
+	system-info.sh \
 	$(NULL)
diff --git a/daemon/anonymous-statistics.sh.in b/daemon/anonymous-statistics.sh.in
index d4622c6d9a..9f548ce969 100755
--- a/daemon/anonymous-statistics.sh.in
+++ b/daemon/anonymous-statistics.sh.in
@@ -22,117 +22,23 @@ if [ -f "@configdir_POST@/.opt-out-from-anonymous-statistics" ]; then
 	exit 0
 fi
 
-# -------------------------------------------------------------------------------------------------
-# detect the operating system
-
-OS_DETECTION="unknown"
-NAME="unknown"
-VERSION="unknown"
-VERSION_ID="unknown"
-ID="unknown"
-ID_LIKE="unknown"
-
-if [ -f "/etc/os-release" ]; then
-	OS_DETECTION="/etc/os-release"
-	eval "$(grep -E "^(NAME|ID|ID_LIKE|VERSION|VERSION_ID)=" </etc/os-release)"
-fi
-
-if [ "${NAME}" = "unknown" ] || [ "${VERSION}" = "unknown" ] || [ "${ID}" = "unknown" ]; then
-	if [ -f "/etc/lsb-release" ]; then
-		if [ "${OS_DETECTION}" = "unknown" ]; then OS_DETECTION="/etc/lsb-release"; else OS_DETECTION="Mixed"; fi
-		DISTRIB_ID="unknown"
-		DISTRIB_RELEASE="unknown"
-		DISTRIB_CODENAME="unknown"
-		eval "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" </etc/lsb-release)"
-		if [ "${NAME}" = "unknown" ]; then NAME="${DISTRIB_ID}"; fi
-		if [ "${VERSION}" = "unknown" ]; then VERSION="${DISTRIB_RELEASE}"; fi
-		if [ "${ID}" = "unknown" ]; then ID="${DISTRIB_CODENAME}"; fi
-	elif [ -n "$(command -v lsb_release 2>/dev/null)" ]; then
-		if [ "${OS_DETECTION}" = "unknown" ]; then OS_DETECTION="lsb_release"; else OS_DETECTION="Mixed"; fi
-		if [ "${NAME}" = "unknown" ]; then NAME="$(lsb_release -is 2>/dev/null)"; fi
-		if [ "${VERSION}" = "unknown" ]; then VERSION="$(lsb_release -rs 2>/dev/null)"; fi
-		if [ "${ID}" = "unknown" ]; then ID="$(lsb_release -cs 2>/dev/null)"; fi
-	fi
-fi
-
-# -------------------------------------------------------------------------------------------------
-# detect the kernel
-
-KERNEL_NAME="$(uname -s)"
-KERNEL_VERSION="$(uname -r)"
-ARCHITECTURE="$(uname -m)"
-
-# -------------------------------------------------------------------------------------------------
-# detect the virtualization
-
-VIRTUALIZATION="unknown"
-VIRT_DETECTION="none"
-CONTAINER="unknown"
-CONT_DETECTION="none"
-
-if [ -n "$(command -v systemd-detect-virt 2>/dev/null)" ]; then
-	VIRTUALIZATION="$(systemd-detect-virt -v)"
-	VIRT_DETECTION="systemd-detect-virt"
-	CONTAINER="$(systemd-detect-virt -c)"
-	CONT_DETECTION="systemd-detect-virt"
-else
-	if grep -q "^flags.*hypervisor" /proc/cpuinfo 2>/dev/null; then
-		VIRTUALIZATION="hypervisor"
-		VIRT_DETECTION="/proc/cpuinfo"
-	fi
-fi
-
-# -------------------------------------------------------------------------------------------------
-# detect containers with heuristics
-
-if [ "${CONTAINER}" = "unknown" ]; then
-	if [ -f /proc/1/sched ] ; then
-		IFS='(, ' read -r process _ </proc/1/sched
-		if [ "${process}" = "netdata" ]; then
-			CONTAINER="container"
-			CONT_DETECTION="process"
-		fi
-	fi
-	# ubuntu and debian supply /bin/running-in-container
-	# https://www.apt-browse.org/browse/ubuntu/trusty/main/i386/upstart/1.12.1-0ubuntu4/file/bin/running-in-container
-	if /bin/running-in-container >/dev/null 2>&1; then
-		CONTAINER="container"
-		CONT_DETECTION="/bin/running-in-container"
-	fi
-
-	# lxc sets environment variable 'container'
-	#shellcheck disable=SC2154
-	if [ -n "${container}" ]; then
-		CONTAINER="lxc"
-		CONT_DETECTION="containerenv"
-	fi
-
-	# docker creates /.dockerenv
-	# http://stackoverflow.com/a/25518345
-	if [ -f "/.dockerenv" ]; then
-		CONTAINER="docker"
-		CONT_DETECTION="dockerenv"
-	fi
-fi
-
-# -------------------------------------------------------------------------------------------------
-# check netdata version
-
-if [ -z "${NETDATA_VERSION}" ]; then
-	NETDATA_VERSION="uknown"
-	netdata -V >/dev/null 2>&1 && NETDATA_VERSION="$(netdata -V 2>&1 | cut -d ' ' -f 2)"
-fi
-
-# -------------------------------------------------------------------------------------------------
-# check netdata unique id
-if [ -z "${NETDATA_REGISTRY_UNIQUE_ID}" ] ; then
-	if [ -f "@registrydir_POST@/netdata.public.unique.id" ]; then
-		NETDATA_REGISTRY_UNIQUE_ID="$(cat "@registrydir_POST@/netdata.public.unique.id")"
-	else
-		NETDATA_REGISTRY_UNIQUE_ID="unknown"
-	fi
-fi
-
+echo "&av=${NETDATA_VERSION}\
+&ec=${ACTION}\
+&ea=${ACTION_RESULT}\
+&el=${ACTION_DATA}\
+&cd1=${NETDATA_SYSTEM_OS_NAME}\
+&cd2=${NETDATA_SYSTEM_OS_ID}\
+&cd3=${NETDATA_SYSTEM_OS_ID_LIKE}\
+&cd4=${NETDATA_SYSTEM_OS_VERSION}\
+&cd5=${NETDATA_SYSTEM_OS_VERSION_ID}\
+&cd6=${NETDATA_SYSTEM_OS_DETECTION}\
+&cd7=${NETDATA_SYSTEM_KERNEL_NAME}\
+&cd8=${NETDATA_SYSTEM_KERNEL_VERSION}\
+&cd9=${NETDATA_SYSTEM_ARCHITECTURE}\
+&cd10=${NETDATA_SYSTEM_VIRTUALIZATION}\
+&cd11=${NETDATA_SYSTEM_VIRT_DETECTION}\
+&cd12=${NETDATA_SYSTEM_CONTAINER}\
+&cd13=${NETDATA_SYSTEM_CONTAINER_DETECTION}" >> /tmp/as.log
 
 # -------------------------------------------------------------------------------------------------
 # send the anonymous statistics to GA
@@ -152,19 +58,19 @@ if [ -n "$(command -v curl 2>/dev/null)" ]; then
 		--data-urlencode "ec=${ACTION}" \
 		--data-urlencode "ea=${ACTION_RESULT}" \
 		--data-urlencode "el=${ACTION_DATA}" \
-		--data-urlencode "cd1=${NAME}" \
-		--data-urlencode "cd2=${ID}" \
-		--data-urlencode "cd3=${ID_LIKE}" \
-		--data-urlencode "cd4=${VERSION}" \
-		--data-urlencode "cd5=${VERSION_ID}" \
-		--data-urlencode "cd6=${OS_DETECTION}" \
-		--data-urlencode "cd7=${KERNEL_NAME}" \
-		--data-urlencode "cd8=${KERNEL_VERSION}" \
-		--data-urlencode "cd9=${ARCHITECTURE}" \
-		--data-urlencode "cd10=${VIRTUALIZATION}" \
-		--data-urlencode "cd11=${VIRT_DETECTION}" \
-		--data-urlencode "cd12=${CONTAINER}" \
-		--data-urlencode "cd13=${CONT_DETECTION}" \
+		--data-urlencode "cd1=${NETDATA_SYSTEM_OS_NAME}" \
+		--data-urlencode "cd2=${NETDATA_SYSTEM_OS_ID}" \
+		--data-urlencode "cd3=${NETDATA_SYSTEM_OS_ID_LIKE}" \
+		--data-urlencode "cd4=${NETDATA_SYSTEM_OS_VERSION}" \
+		--data-urlencode "cd5=${NETDATA_SYSTEM_OS_DETECTION}" \
+		--data-urlencode "cd6=${NETDATA_SYSTEM_OS_DETECTION}" \
+		--data-urlencode "cd7=${NETDATA_SYSTEM_KERNEL_NAME}" \
+		--data-urlencode "cd8=${NETDATA_SYSTEM_KERNEL_VERSION}" \
+		--data-urlencode "cd9=${NETDATA_SYSTEM_ARCHITECTURE}" \
+		--data-urlencode "cd10=${NETDATA_SYSTEM_VIRTUALIZATION}" \
+		--data-urlencode "cd11=${NETDATA_SYSTEM_VIRT_DETECTION}" \
+		--data-urlencode "cd12=${NETDATA_SYSTEM_CONTAINER}" \
+		--data-urlencode "cd13=${NETDATA_SYSTEM_CONTAINER_DETECTION}" \
 		"https://www.google-analytics.com/collect" >/dev/null 2>&1
 else
 	wget -q -O - --timeout=1 "https://www.google-analytics.com/collect?\
@@ -181,18 +87,18 @@ else
 &ec=${ACTION}\
 &ea=${ACTION_RESULT}\
 &el=${ACTION_DATA}\
-&cd1=${NAME}\
-&cd2=${ID}\
-&cd3=${ID_LIKE}\
-&cd4=${VERSION}\
-&cd5=${VERSION_ID}\
-&cd6=${OS_DETECTION}\
-&cd7=${KERNEL_NAME}\
-&cd8=${KERNEL_VERSION}\
-&cd9=${ARCHITECTURE}\
-&cd10=${VIRTUALIZATION}\
-&cd11=${VIRT_DETECTION}\
-&cd12=${CONTAINER}\
-&cd13=${CONT_DETECTION}\
+&cd1=${NETDATA_SYSTEM_OS_NAME}\
+&cd2=${NETDATA_SYSTEM_OS_ID}\
+&cd3=${NETDATA_SYSTEM_OS_ID_LIKE}\
+&cd4=${NETDATA_SYSTEM_OS_VERSION}\
+&cd5=${NETDATA_SYSTEM_OS_VERSION_ID}\
+&cd6=${NETDATA_SYSTEM_OS_DETECTION}\
+&cd7=${NETDATA_SYSTEM_KERNEL_NAME}\
+&cd8=${NETDATA_SYSTEM_KERNEL_VERSION}\
+&cd9=${NETDATA_SYSTEM_ARCHITECTURE}\
+&cd10=${NETDATA_SYSTEM_VIRTUALIZATION}\
+&cd11=${NETDATA_SYSTEM_VIRT_DETECTION}\
+&cd12=${NETDATA_SYSTEM_CONTAINER}\
+&cd13=${NETDATA_SYSTEM_CONTAINER_DETECTION}\
 " > /dev/null 2>&1
 fi
diff --git a/daemon/common.h b/daemon/common.h
index d688d28286..9a55fa3af8 100644
--- a/daemon/common.h
+++ b/daemon/common.h
@@ -79,4 +79,6 @@ extern char *netdata_configured_host_prefix;
 extern char *netdata_configured_timezone;
 extern int netdata_anonymous_statistics_enabled;
 
+int netdata_ready;
+
 #endif /* NETDATA_COMMON_H */
diff --git a/daemon/daemon.h b/daemon/daemon.h
index b65d2daa17..5d176341a9 100644
--- a/daemon/daemon.h
+++ b/daemon/daemon.h
@@ -12,4 +12,5 @@ extern void send_statistics(const char *action, const char *action_result, const
 
 extern char pidfile[];
 
+
 #endif /* NETDATA_DAEMON_H */
diff --git a/daemon/main.c b/daemon/main.c
index ba8d4b4ef6..231ba45f48 100644
--- a/daemon/main.c
+++ b/daemon/main.c
@@ -650,6 +650,43 @@ static int load_netdata_conf(char *filename, char overwrite_used) {
     return ret;
 }
 
+int get_system_info () {
+    char *script;
+    script = mallocz(sizeof(char) * (strlen(netdata_configured_primary_plugins_dir) + strlen("system-info.sh") + 2));
+    sprintf(script, "%s/%s", netdata_configured_primary_plugins_dir, "system-info.sh");
+    if (unlikely(access(script, R_OK) != 0)) {
+        info("System info script %s not found.",script);
+        freez(script);
+        return 1;
+    }
+
+    pid_t command_pid;
+
+    info("Executing %s", script);
+
+    FILE *fp = mypopen(script, &command_pid);
+    if(fp) {
+        char buffer[200 + 1];
+        while (fgets(buffer, 200, fp) != NULL) {
+            char *name=buffer;
+            char *value=buffer;
+            while (*value && *value != '=') value++;
+            if (*value=='=') {
+                *value='\0';
+                value++;
+                char *newline = value + strlen(value) - 1;
+                (*newline)='\0';
+            }
+            if (name && value && *name && *value) {
+                info("%s=%s", name, value);
+                setenv(name, value, 1);
+            }
+        }
+        mypclose(fp, command_pid);
+    }
+    freez(script);
+    return 0;
+}
 
 void send_statistics( const char *action, const char *action_result, const char *action_data) {
     static char *as_script;
@@ -697,6 +734,7 @@ int main(int argc, char **argv) {
     int dont_fork = 0;
     size_t default_stacksize;
 
+    netdata_ready=0;
     // set the name for logging
     program_name = "netdata";
 
@@ -1053,7 +1091,7 @@ int main(int argc, char **argv) {
     // initialize the log files
     open_all_log_files();
 	netdata_anonymous_statistics_enabled=-1;
-	send_statistics("START","-", "-");
+    if (get_system_info() == 0) send_statistics("START","-", "-");
 
 #ifdef NETDATA_INTERNAL_CHECKS
     if(debug_flags != 0) {
@@ -1113,7 +1151,7 @@ int main(int argc, char **argv) {
     }
 
     info("netdata initialization completed. Enjoy real-time performance monitoring!");
-
+    netdata_ready = 1;
 
     // ------------------------------------------------------------------------
     // unblock signals
diff --git a/daemon/system-info.sh b/daemon/system-info.sh
new file mode 100755
index 0000000000..e92971efd3
--- /dev/null
+++ b/daemon/system-info.sh
@@ -0,0 +1,109 @@
+#!/usr/bin/env sh
+
+# -------------------------------------------------------------------------------------------------
+# detect the operating system
+
+OS_DETECTION="unknown"
+NAME="unknown"
+VERSION="unknown"
+VERSION_ID="unknown"
+ID="unknown"
+ID_LIKE="unknown"
+
+if [ -f "/etc/os-release" ]; then
+	OS_DETECTION="/etc/os-release"
+	eval "$(grep -E "^(NAME|ID|ID_LIKE|VERSION|VERSION_ID)=" </etc/os-release)"
+fi
+
+if [ "${NAME}" = "unknown" ] || [ "${VERSION}" = "unknown" ] || [ "${ID}" = "unknown" ]; then
+	if [ -f "/etc/lsb-release" ]; then
+		if [ "${OS_DETECTION}" = "unknown" ]; then OS_DETECTION="/etc/lsb-release"; else OS_DETECTION="Mixed"; fi
+		DISTRIB_ID="unknown"
+		DISTRIB_RELEASE="unknown"
+		DISTRIB_CODENAME="unknown"
+		eval "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" </etc/lsb-release)"
+		if [ "${NAME}" = "unknown" ]; then NAME="${DISTRIB_ID}"; fi
+		if [ "${VERSION}" = "unknown" ]; then VERSION="${DISTRIB_RELEASE}"; fi
+		if [ "${ID}" = "unknown" ]; then ID="${DISTRIB_CODENAME}"; fi
+	elif [ -n "$(command -v lsb_release 2>/dev/null)" ]; then
+		if [ "${OS_DETECTION}" = "unknown" ]; then OS_DETECTION="lsb_release"; else OS_DETECTION="Mixed"; fi
+		if [ "${NAME}" = "unknown" ]; then NAME="$(lsb_release -is 2>/dev/null)"; fi
+		if [ "${VERSION}" = "unknown" ]; then VERSION="$(lsb_release -rs 2>/dev/null)"; fi
+		if [ "${ID}" = "unknown" ]; then ID="$(lsb_release -cs 2>/dev/null)"; fi
+	fi
+fi
+
+# -------------------------------------------------------------------------------------------------
+# detect the kernel
+
+KERNEL_NAME="$(uname -s)"
+KERNEL_VERSION="$(uname -r)"
+ARCHITECTURE="$(uname -m)"
+
+# -------------------------------------------------------------------------------------------------
+# detect the virtualization
+
+VIRTUALIZATION="unknown"
+VIRT_DETECTION="none"
+CONTAINER="unknown"
+CONT_DETECTION="none"
+
+if [ -n "$(command -v systemd-detect-virt 2>/dev/null)" ]; then
+	VIRTUALIZATION="$(systemd-detect-virt -v)"
+	VIRT_DETECTION="systemd-detect-virt"
+	CONTAINER="$(systemd-detect-virt -c)"
+	CONT_DETECTION="systemd-detect-virt"
+else
+	if grep -q "^flags.*hypervisor" /proc/cpuinfo 2>/dev/null; then
+		VIRTUALIZATION="hypervisor"
+		VIRT_DETECTION="/proc/cpuinfo"
+	fi
+fi
+
+# -------------------------------------------------------------------------------------------------
+# detect containers with heuristics
+
+if [ "${CONTAINER}" = "unknown" ]; then
+	if [ -f /proc/1/sched ] ; then
+		IFS='(, ' read -r process _ </proc/1/sched
+		if [ "${process}" = "netdata" ]; then
+			CONTAINER="container"
+			CONT_DETECTION="process"
+		fi
+	fi
+	# ubuntu and debian supply /bin/running-in-container
+	# https://www.apt-browse.org/browse/ubuntu/trusty/main/i386/upstart/1.12.1-0ubuntu4/file/bin/running-in-container
+	if /bin/running-in-container >/dev/null 2>&1; then
+		CONTAINER="container"
+		CONT_DETECTION="/bin/running-in-container"
+	fi
+
+	# lxc sets environment variable 'container'
+	#shellcheck disable=SC2154
+	if [ -n "${container}" ]; then
+		CONTAINER="lxc"
+		CONT_DETECTION="containerenv"
+	fi
+
+	# docker creates /.dockerenv
+	# http://stackoverflow.com/a/25518345
+	if [ -f "/.dockerenv" ]; then
+		CONTAINER="docker"
+		CONT_DETECTION="dockerenv"
+	fi
+fi
+
+echo "NETDATA_SYSTEM_OS_NAME=\"${NAME}\""
+echo "NETDATA_SYSTEM_OS_ID=${ID}"
+echo "NETDATA_SYSTEM_OS_ID_LIKE=${ID_LIKE}"
+echo "NETDATA_SYSTEM_OS_VERSION=${VERSION}"
+echo "NETDATA_SYSTEM_OS_VERSION_ID=${VERSION_ID}"
+echo "NETDATA_SYSTEM_OS_DETECTION=${OS_DETECTION}"
+echo "NETDATA_SYSTEM_KERNEL_NAME=${KERNEL_NAME}"
+echo "NETDATA_SYSTEM_KERNEL_VERSION=${KERNEL_VERSION}"
+echo "NETDATA_SYSTEM_ARCHITECTURE=${ARCHITECTURE}"
+echo "NETDATA_SYSTEM_VIRTUALIZATION=${VIRTUALIZATION}"
+echo "NETDATA_SYSTEM_VIRT_DETECTION=${VIRT_DETECTION}"
+echo "NETDATA_SYSTEM_CONTAINER=${CONTAINER}"
+echo "NETDATA_SYSTEM_CONTAINER_DETECTION=${CONT_DETECTION}"
+
diff --git a/web/api/formatters/charts2json.c b/web/api/formatters/charts2json.c
index 413f1a6d1f..e3dbd40dc3 100644
--- a/web/api/formatters/charts2json.c
+++ b/web/api/formatters/charts2json.c
@@ -135,3 +135,44 @@ void charts2json(RRDHOST *host, BUFFER *wb) {
 
     buffer_sprintf(wb, "\n\t]\n}\n");
 }
+
+int print_collector(void *entry, void *data) {
+    struct array_printer *ap = (struct array_printer *)data;
+    BUFFER *wb = ap->wb;
+    struct collector *col=(struct collector *) entry;
+    if(ap->c) buffer_strcat(wb, ",");
+    buffer_strcat(wb, "\n\t\t{\n\t\t\t\"plugin\": \"");
+    buffer_strcat(wb, col->plugin);
+    buffer_strcat(wb, "\",\n\t\t\t\"module\": \"");
+    buffer_strcat(wb, col->module);
+    buffer_strcat(wb, "\"\n\t\t}");
+    (ap->c)++;
+    return 0;
+}
+
+void chartcollectors2json(RRDHOST *host, BUFFER *wb) {
+    DICTIONARY *dict = dictionary_create(DICTIONARY_FLAG_SINGLE_THREADED);
+    RRDSET *st;
+    char name[500];
+
+    time_t now = now_realtime_sec();
+    rrdhost_rdlock(host);
+    rrdset_foreach_read(st, host) {
+        if (rrdset_is_available_for_viewers(st)) {
+            struct collector col = {
+                    .plugin = st->plugin_name ? st->plugin_name : "",
+                    .module = st->module_name ? st->module_name : ""
+            };
+            sprintf(name, "%s:%s", col.plugin, col.module);
+            dictionary_set(dict, name, &col, sizeof(struct collector));
+            st->last_accessed_time = now;
+        }
+    }
+    rrdhost_unlock(host);
+    struct array_printer ap = {
+            .c = 0,
+            .wb = wb
+    };
+    dictionary_get_all(dict, print_collector, &ap);
+    dictionary_destroy(dict);
+}
diff --git a/web/api/formatters/charts2json.h b/web/api/formatters/charts2json.h
index 5d6d800604..348e736895 100644
--- a/web/api/formatters/charts2json.h
+++ b/web/api/formatters/charts2json.h
@@ -5,6 +5,17 @@
 
 #include "rrd2json.h"
 
+struct collector {
+    char *plugin;
+    char *module;
+};
+
+struct array_printer {
+    int c;
+    BUFFER *wb;
+};
+
 extern void charts2json(RRDHOST *host, BUFFER *wb);
+extern void chartcollectors2json(RRDHOST *host, BUFFER *wb);
 
 #endif //NETDATA_API_FORMATTER_CHARTS2JSON_H
diff --git a/web/api/web_api_v1.c b/web/api/web_api_v1.c
index 991a9ec8b3..528794c307 100644
--- a/web/api/web_api_v1.c
+++ b/web/api/web_api_v1.c
@@ -717,6 +717,7 @@ static inline void web_client_api_request_v1_info_mirrored_hosts(BUFFER *wb) {
 
 inline int web_client_api_request_v1_info(RRDHOST *host, struct web_client *w, char *url) {
     (void)url;
+    if (!netdata_ready) return 400;
 
     BUFFER *wb = w->response.data;
     buffer_flush(wb);
@@ -732,7 +733,25 @@ inline int web_client_api_request_v1_info(RRDHOST *host, struct web_client *w, c
 
     buffer_strcat(wb, "\t\"alarms\": {\n");
     web_client_api_request_v1_info_summary_alarm_statuses(host, wb);
-    buffer_strcat(wb, "\t}\n");
+    buffer_strcat(wb, "\t},\n");
+
+    buffer_sprintf(wb, "\t\"os_name\": %s,\n", getenv("NETDATA_SYSTEM_OS_NAME"));
+    buffer_sprintf(wb, "\t\"os_id\": \"%s\",\n", getenv("NETDATA_SYSTEM_OS_ID"));
+    buffer_sprintf(wb, "\t\"os_id_like\": \"%s\",\n", getenv("NETDATA_SYSTEM_OS_ID_LIKE"));
+    buffer_sprintf(wb, "\t\"os_version\": \"%s\",\n", getenv("NETDATA_SYSTEM_OS_VERSION"));
+    buffer_sprintf(wb, "\t\"os_version_id\": \"%s\",\n", getenv("NETDATA_SYSTEM_OS_VERSION_ID"));
+    buffer_sprintf(wb, "\t\"os_detection\": \"%s\",\n", getenv("NETDATA_SYSTEM_OS_DETECTION"));
+    buffer_sprintf(wb, "\t\"kernel_name\": \"%s\",\n", getenv("NETDATA_SYSTEM_KERNEL_NAME"));
+    buffer_sprintf(wb, "\t\"kernel_version\": \"%s\",\n", getenv("NETDATA_SYSTEM_KERNEL_VERSION"));
+    buffer_sprintf(wb, "\t\"architecture\": \"%s\",\n", getenv("NETDATA_SYSTEM_ARCHITECTURE"));
+    buffer_sprintf(wb, "\t\"virtualization\": \"%s\",\n", getenv("NETDATA_SYSTEM_VIRTUALIZATION"));
+    buffer_sprintf(wb, "\t\"virt_detection\": \"%s\",\n", getenv("NETDATA_SYSTEM_VIRT_DETECTION"));
+    buffer_sprintf(wb, "\t\"container\": \"%s\",\n", getenv("NETDATA_SYSTEM_CONTAINER"));
+    buffer_sprintf(wb, "\t\"container_detection\": \"%s\",\n", getenv("NETDATA_SYSTEM_CONTAINER_DETECTION"));
+    
+    buffer_strcat(wb, "\t\"collectors\": [");
+    chartcollectors2json(host, wb);
+    buffer_strcat(wb, "\n\t]\n");
 
     buffer_strcat(wb, "}");
     return 200;