Fix strings serializationhalibut_7.99.2halibut/7.99.27.99.2

Also update and improve influxdb install instructions in README.md.

Bug-AGL: SPEC-2578

Change-Id: I3a009efb2c1deed72635fbe18f586bddf14ddedb
Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

2 files changed, 9 insertions, 3 deletions

diff --git a/README.md b/README.md
index 0cb3a7b..16dec1e 100644
--- a/README.md
+++ b/README.md
@@ -14,10 +14,16 @@ cmake .. && make
 ```bash
 # openSUSE installation instructions
 # For other distro, see docs: https://portal.influxdata.com/downloads
-wget https://dl.influxdata.com/influxdb/releases/influxdb-1.5.1.x86_64.rpm
-sudo zypper in ./influxdb-1.5.1.x86_64.rpm
+wget https://dl.influxdata.com/influxdb/releases/influxdb-1.7.6.x86_64.rpm
+sudo zypper in ./influxdb-1.7.6.x86_64.rpm
 # ignore warnings and force install
 
+# OR
+sudo zypper ar https://download.opensuse.org/repositories/server:/database/openSUSE_Leap_15.0/server:database.repo
+sudo zypper ref
+sudo zypper in influxdb
+
+# Manually start influxdb service
 sudo systemctl daemon-reload
 sudo systemctl start influxdb
 sudo systemctl status influxdb
diff --git a/src/plugins/influxdb-writer.c b/src/plugins/influxdb-writer.c
index e22c2bd..2856865 100644
--- a/src/plugins/influxdb-writer.c
+++ b/src/plugins/influxdb-writer.c
@@ -66,7 +66,7 @@ static void serialize_list_to_query(char *query, struct list *node, const char *
 		}
 
 		if(json_object_is_type(node->value, json_type_string))
-			concatenate(query, json_object_get_string(node->value), "=");
+			concatenate_str(query, json_object_get_string(node->value), "=");
 		else
 			concatenate(query, json_object_to_json_string(node->value), "=");
 		node = node->next;