fix lint

Author: AlinsRan

.github/workflows/ci.yml

@@ -30,6 +30,7 @@ jobs:
         run: |
           sudo apt install -y cpanminus build-essential libncurses5-dev libreadline-dev libssl-dev perl luarocks libpcre3 libpcre3-dev zlib1g-dev
           sudo luarocks install lua-resty-http > build.log 2>&1 || (cat build.log && exit 1)
+          sudo luarocks install lua-resty-openssl > build.log 2>&1 || (cat build.log && exit 1)
 
       - name: Before install
         run: |

lib/resty/apisix/upstream.lua

@@ -4,6 +4,7 @@ local get_request = base.get_request
 local get_phase = ngx.get_phase
 local C = ffi.C
 local NGX_ERROR = ngx.ERROR
+local NGX_OK = ngx.OK
 
 
 base.allows_subsystem("http")
@@ -31,7 +32,7 @@ function _M.set_cert_and_key(cert, key)
     return true
 end
 
-local set_upstream_ssl_trusted_store
+local set_ssl_trusted_store
 do
     local ALLOWED_PHASES = {
         ['rewrite'] = true,
@@ -41,7 +42,7 @@ do
     }
 
     local openssl_x509_store = require "resty.openssl.x509.store"
-    function set_upstream_ssl_trusted_store(store)
+    function set_ssl_trusted_store(store)
         if not ALLOWED_PHASES[get_phase()] then
             error("API disabled in the current context", 2)
         end
@@ -66,7 +67,7 @@ do
         error("unknown return code: " .. tostring(ret))
     end
 end
-_M.set_upstream_ssl_trusted_store = set_upstream_ssl_trusted_store
+_M.set_ssl_trusted_store = set_ssl_trusted_store
 
 
 return _M