Merging upstream version 1.15.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 62 insertions, 538 deletions

diff --git a/streaming/Makefile.in b/streaming/Makefile.in
deleted file mode 100644
index 5d1904379..000000000
--- a/streaming/Makefile.in
+++ /dev/null
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diff --git a/streaming/README.md b/streaming/README.md
index e97411b31..0ad9d7e2e 100644
--- a/streaming/README.md
+++ b/streaming/README.md
@@ -73,7 +73,7 @@ These are options that affect the operation of netdata in this area:
 
 ```
 [global]
-    memory mode = none | ram | save | map
+    memory mode = none | ram | save | map | dbengine
 ```
 
 `[global].memory mode = none` disables the database at this host. This also disables health
@@ -170,6 +170,10 @@ the unique id the netdata generating the metrics (i.e. the netdata that original
 them `/var/lib/netdata/registry/netdata.unique.id`). So, metrics for netdata `A` that pass through
 any number of other netdata, will have the same `MACHINE_GUID`.
 
+You can also use `default memory mode = dbengine` for an API key or `memory mode = dbengine` for
+ a single host. The additional `page cache size` and `dbengine disk space` configuration options
+ are inherited from the global netdata configuration.
+
 ##### allow from
 
 `allow from` settings are [netdata simple patterns](../libnetdata/simple_pattern): string matches
diff --git a/streaming/rrdpush.c b/streaming/rrdpush.c
index acf69ffd3..2e9050ff2 100644
--- a/streaming/rrdpush.c
+++ b/streaming/rrdpush.c
@@ -445,7 +445,21 @@ static int rrdpush_sender_thread_connect_to_master(RRDHOST *host, int default_po
     #define HTTP_HEADER_SIZE 8192
     char http[HTTP_HEADER_SIZE + 1];
     snprintfz(http, HTTP_HEADER_SIZE,
-            "STREAM key=%s&hostname=%s&registry_hostname=%s&machine_guid=%s&update_every=%d&os=%s&timezone=%s&tags=%s HTTP/1.1\r\n"
+            "STREAM key=%s&hostname=%s&registry_hostname=%s&machine_guid=%s&update_every=%d&os=%s&timezone=%s&tags=%s"
+                    "&NETDATA_SYSTEM_OS_NAME=%s"
+                    "&NETDATA_SYSTEM_OS_ID=%s"
+                    "&NETDATA_SYSTEM_OS_ID_LIKE=%s"
+                    "&NETDATA_SYSTEM_OS_VERSION=%s"
+                    "&NETDATA_SYSTEM_OS_VERSION_ID=%s"
+                    "&NETDATA_SYSTEM_OS_DETECTION=%s"
+                    "&NETDATA_SYSTEM_KERNEL_NAME=%s"
+                    "&NETDATA_SYSTEM_KERNEL_VERSION=%s"
+                    "&NETDATA_SYSTEM_ARCHITECTURE=%s"
+                    "&NETDATA_SYSTEM_VIRTUALIZATION=%s"
+                    "&NETDATA_SYSTEM_VIRT_DETECTION=%s"
+                    "&NETDATA_SYSTEM_CONTAINER=%s"
+                    "&NETDATA_SYSTEM_CONTAINER_DETECTION=%s"
+                    " HTTP/1.1\r\n"
                     "User-Agent: %s/%s\r\n"
                     "Accept: */*\r\n\r\n"
               , host->rrdpush_send_api_key
@@ -455,7 +469,20 @@ static int rrdpush_sender_thread_connect_to_master(RRDHOST *host, int default_po
               , default_rrd_update_every
               , host->os
               , host->timezone
-              , (host->tags)?host->tags:""
+              , (host->tags) ? host->tags : ""
+              , (host->system_info->os_name) ? host->system_info->os_name : ""
+              , (host->system_info->os_id) ? host->system_info->os_id : ""
+              , (host->system_info->os_id_like) ? host->system_info->os_id_like : ""
+              , (host->system_info->os_version) ? host->system_info->os_version : ""
+              , (host->system_info->os_version_id) ? host->system_info->os_version_id : ""
+              , (host->system_info->os_detection) ? host->system_info->os_detection : ""
+              , (host->system_info->kernel_name) ? host->system_info->kernel_name : ""
+              , (host->system_info->kernel_version) ? host->system_info->kernel_version : ""
+              , (host->system_info->architecture) ? host->system_info->architecture : ""
+              , (host->system_info->virtualization) ? host->system_info->virtualization : ""
+              , (host->system_info->virt_detection) ? host->system_info->virt_detection : ""
+              , (host->system_info->container) ? host->system_info->container : ""
+              , (host->system_info->container_detection) ? host->system_info->container_detection : ""
               , host->program_name
               , host->program_version
     );
@@ -821,6 +848,7 @@ static int rrdpush_receive(int fd
                            , const char *tags
                            , const char *program_name
                            , const char *program_version
+                           , struct rrdhost_system_info *system_info
                            , int update_every
                            , char *client_ip
                            , char *client_port
@@ -894,6 +922,7 @@ static int rrdpush_receive(int fd
                 , rrdpush_destination
                 , rrdpush_api_key
                 , rrdpush_send_charts_matching
+                , system_info
         );
 
     if(!host) {
@@ -1027,6 +1056,7 @@ struct rrdpush_thread {
     char *client_port;
     char *program_name;
     char *program_version;
+    struct rrdhost_system_info *system_info;
     int update_every;
 };
 
@@ -1049,6 +1079,7 @@ static void rrdpush_receiver_thread_cleanup(void *ptr) {
         freez(rpt->client_port);
         freez(rpt->program_name);
         freez(rpt->program_version);
+        rrdhost_system_info_free(rpt->system_info);
         freez(rpt);
     }
 }
@@ -1070,6 +1101,7 @@ static void *rrdpush_receiver_thread(void *ptr) {
 	    , rpt->tags
 	    , rpt->program_name
 	    , rpt->program_version
+        , rpt->system_info
 	    , rpt->update_every
 	    , rpt->client_ip
 	    , rpt->client_port
@@ -1120,6 +1152,8 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
     int update_every = default_rrd_update_every;
     char buf[GUID_LEN + 1];
 
+    struct rrdhost_system_info *system_info = callocz(1, sizeof(struct rrdhost_system_info));
+
     while(url) {
         char *value = mystrsep(&url, "&");
         if(!value || !*value) continue;
@@ -1145,40 +1179,48 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
         else if(!strcmp(name, "tags"))
             tags = value;
         else
-            info("STREAM [receive from [%s]:%s]: request has parameter '%s' = '%s', which is not used.", w->client_ip, w->client_port, key, value);
+            if(unlikely(rrdhost_set_system_info_variable(system_info, name, value))) {
+                info("STREAM [receive from [%s]:%s]: request has parameter '%s' = '%s', which is not used.", w->client_ip, w->client_port, key, value);
+            }
     }
 
     if(!key || !*key) {
+        rrdhost_system_info_free(system_info);
         log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname)?hostname:"-", "ACCESS DENIED - NO KEY");
         error("STREAM [receive from [%s]:%s]: request without an API key. Forbidding access.", w->client_ip, w->client_port);
         return rrdpush_receiver_permission_denied(w);
     }
 
     if(!hostname || !*hostname) {
+        rrdhost_system_info_free(system_info);
         log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname)?hostname:"-", "ACCESS DENIED - NO HOSTNAME");
         error("STREAM [receive from [%s]:%s]: request without a hostname. Forbidding access.", w->client_ip, w->client_port);
         return rrdpush_receiver_permission_denied(w);
     }
 
     if(!machine_guid || !*machine_guid) {
+        rrdhost_system_info_free(system_info);
         log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname)?hostname:"-", "ACCESS DENIED - NO MACHINE GUID");
         error("STREAM [receive from [%s]:%s]: request without a machine GUID. Forbidding access.", w->client_ip, w->client_port);
         return rrdpush_receiver_permission_denied(w);
     }
 
     if(regenerate_guid(key, buf) == -1) {
+        rrdhost_system_info_free(system_info);
         log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname)?hostname:"-", "ACCESS DENIED - INVALID KEY");
         error("STREAM [receive from [%s]:%s]: API key '%s' is not valid GUID (use the command uuidgen to generate one). Forbidding access.", w->client_ip, w->client_port, key);
         return rrdpush_receiver_permission_denied(w);
     }
 
     if(regenerate_guid(machine_guid, buf) == -1) {
+        rrdhost_system_info_free(system_info);
         log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname)?hostname:"-", "ACCESS DENIED - INVALID MACHINE GUID");
         error("STREAM [receive from [%s]:%s]: machine GUID '%s' is not GUID. Forbidding access.", w->client_ip, w->client_port, machine_guid);
         return rrdpush_receiver_permission_denied(w);
     }
 
     if(!appconfig_get_boolean(&stream_config, key, "enabled", 0)) {
+        rrdhost_system_info_free(system_info);
         log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname)?hostname:"-", "ACCESS DENIED - KEY NOT ENABLED");
         error("STREAM [receive from [%s]:%s]: API key '%s' is not allowed. Forbidding access.", w->client_ip, w->client_port, key);
         return rrdpush_receiver_permission_denied(w);
@@ -1189,6 +1231,7 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
         if(key_allow_from) {
             if(!simple_pattern_matches(key_allow_from, w->client_ip)) {
                 simple_pattern_free(key_allow_from);
+                rrdhost_system_info_free(system_info);
                 log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname) ? hostname : "-", "ACCESS DENIED - KEY NOT ALLOWED FROM THIS IP");
                 error("STREAM [receive from [%s]:%s]: API key '%s' is not permitted from this IP. Forbidding access.", w->client_ip, w->client_port, key);
                 return rrdpush_receiver_permission_denied(w);
@@ -1198,6 +1241,7 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
     }
 
     if(!appconfig_get_boolean(&stream_config, machine_guid, "enabled", 1)) {
+        rrdhost_system_info_free(system_info);
         log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname)?hostname:"-", "ACCESS DENIED - MACHINE GUID NOT ENABLED");
         error("STREAM [receive from [%s]:%s]: machine GUID '%s' is not allowed. Forbidding access.", w->client_ip, w->client_port, machine_guid);
         return rrdpush_receiver_permission_denied(w);
@@ -1208,6 +1252,7 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
         if(machine_allow_from) {
             if(!simple_pattern_matches(machine_allow_from, w->client_ip)) {
                 simple_pattern_free(machine_allow_from);
+                rrdhost_system_info_free(system_info);
                 log_stream_connection(w->client_ip, w->client_port, (key && *key)?key:"-", (machine_guid && *machine_guid)?machine_guid:"-", (hostname && *hostname) ? hostname : "-", "ACCESS DENIED - MACHINE GUID NOT ALLOWED FROM THIS IP");
                 error("STREAM [receive from [%s]:%s]: Machine GUID '%s' is not permitted from this IP. Forbidding access.", w->client_ip, w->client_port, machine_guid);
                 return rrdpush_receiver_permission_denied(w);
@@ -1228,6 +1273,7 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
 
         if(now - last_stream_accepted_t < web_client_streaming_rate_t) {
             netdata_mutex_unlock(&stream_rate_mutex);
+            rrdhost_system_info_free(system_info);
             error("STREAM [receive from [%s]:%s]: too busy to accept new streaming request. Will be allowed in %ld secs.", w->client_ip, w->client_port, (long)(web_client_streaming_rate_t - (now - last_stream_accepted_t)));
             return rrdpush_receiver_too_busy_now(w);
         }
@@ -1248,6 +1294,7 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
     rpt->client_ip         = strdupz(w->client_ip);
     rpt->client_port       = strdupz(w->client_port);
     rpt->update_every      = update_every;
+    rpt->system_info       = system_info;
 
     if(w->user_agent && w->user_agent[0]) {
         char *t = strchr(w->user_agent, '/');
@@ -1260,6 +1307,7 @@ int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url
         if(t && *t) rpt->program_version = strdupz(t);
     }
 
+
     netdata_thread_t thread;
 
     debug(D_SYSTEM, "starting STREAM receive thread.");
diff --git a/streaming/stream.conf b/streaming/stream.conf
index 493eba37c..d0d02a7c8 100644
--- a/streaming/stream.conf
+++ b/streaming/stream.conf
@@ -103,10 +103,11 @@
     # You can also set it per host below.
     # If you don't set it here, the memory mode of netdata.conf will be used.
     # Valid modes:
-    #    save    save on exit, load on start
-    #    map     like swap (continuously syncing to disks - you need SSD)
-    #    ram     keep it in RAM, don't touch the disk
-    #    none    no database at all (use this on headless proxies)
+    #    save     save on exit, load on start
+    #    map      like swap (continuously syncing to disks - you need SSD)
+    #    ram      keep it in RAM, don't touch the disk
+    #    none     no database at all (use this on headless proxies)
+    #    dbengine like a traditional database
     default memory mode = ram
 
     # Shall we enable health monitoring for the hosts using this API key?
@@ -167,7 +168,7 @@
     # The number of entries in the database
     history = 3600
 
-    # The memory mode of the database: save | map | ram | none
+    # The memory mode of the database: save | map | ram | none | dbengine
     memory mode = save
 
     # Health / alarms control: yes | no | auto