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new 809455eb1 test(file-logger): cover per-node upstream_unresolved_host
mapping (#13669)
809455eb1 is described below
commit 809455eb1a5cc738ff4e79cd374c6725bef1786a
Author: Shreemaan Abhishek <[email protected]>
AuthorDate: Wed Jul 8 19:34:32 2026 +0800
test(file-logger): cover per-node upstream_unresolved_host mapping (#13669)
---
t/plugin/file-logger.t | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 89 insertions(+)
diff --git a/t/plugin/file-logger.t b/t/plugin/file-logger.t
index 2213213ba..bffc82fdc 100644
--- a/t/plugin/file-logger.t
+++ b/t/plugin/file-logger.t
@@ -989,3 +989,92 @@ passed
}
--- response_body
enrich log format success
+
+
+
+=== TEST 25: multi-node upstream mixing a domain node and a raw-IP node
+--- config
+ location /t {
+ content_by_lua_block {
+ local t = require("lib.test_admin").test
+ local code, body = t('/apisix/admin/plugin_metadata/file-logger',
+ ngx.HTTP_PUT,
+ [[{
+ "log_format_extra": {
+ "upstream_host": "$upstream_unresolved_host"
+ }
+ }]]
+ )
+ if code >= 300 then
+ ngx.status = code
+ ngx.say(body)
+ return
+ end
+
+ -- distinct hosts prove addr_to_domain maps each picked node to
its own host
+ local code, body = t('/apisix/admin/routes/1',
+ ngx.HTTP_PUT,
+ [[{
+ "plugins": {
+ "file-logger": {
+ "path": "file-logger-mixed.log"
+ }
+ },
+ "upstream": {
+ "nodes": {
+ "localhost:1980": 1,
+ "127.0.0.1:1982": 1
+ },
+ "type": "roundrobin"
+ },
+ "uri": "/hello"
+ }]]
+ )
+ if code >= 300 then
+ ngx.status = code
+ end
+ ngx.say(body)
+ }
+ }
+--- response_body
+passed
+
+
+
+=== TEST 26: each node logs its own pre-DNS host, domain resolved and raw IP
untouched
+--- config
+ location /t {
+ content_by_lua_block {
+ local core = require("apisix.core")
+ local t = require("lib.test_admin").test
+ -- round-robin over two equal nodes visits both within the cycle
+ for _ = 1, 4 do
+ t("/hello", ngx.HTTP_GET)
+ end
+ local fd, err = io.open("file-logger-mixed.log", 'r')
+ if not fd then
+ core.log.error("failed to open file: file-logger-mixed.log,
error info: ", err)
+ return
+ end
+
+ -- collect the pre-DNS host logged for each resolved upstream
+ local host_by_upstream = {}
+ for line in fd:lines() do
+ local m = core.json.decode(line)
+ host_by_upstream[m.upstream] = m.upstream_host
+ end
+ fd:close()
+
+ -- domain node logs its hostname, raw-IP node falls back to the ip
+ if host_by_upstream['127.0.0.1:1980'] == 'localhost' and
+ host_by_upstream['127.0.0.1:1982'] == '127.0.0.1'
+ then
+ ngx.say("enrich log format success")
+ else
+ ngx.say("enrich log format failed: "
+ .. core.json.encode(host_by_upstream))
+ end
+ }
+ }
+--- response_body
+enrich log format success
