Current Behavior

datadog plugin failed to send metric

Expected Behavior

plugin should send metric to datadog agent

Error Logs

lua entry thread aborted: runtime error: /usr/local/apisix/apisix/plugins/datadog.lua:92: attempt to concatenate field 'consumer' (a table value)

Steps to Reproduce

1. Enable datadog plugin in routes
2. Check log

Environment

• APISIX version (run apisix version): 3.0.0
• Operating system (run uname -a): Linux (x86_64 GNU/Linux)
• OpenResty / Nginx version (run openresty -V or nginx -V): openresty/1.21.4.1
• etcd version, if relevant (run curl http://127.0.0.1:9090/v1/server_info):
• APISIX Dashboard version, if relevant:
• Plugin runner version, for issues related to plugin runners:
• LuaRocks version, for installation issues (run luarocks --version):