chore(constants) add new shms to required list

Render newly added shared dicts required. As 0.14 ships with breaking
changes and other nginx configuration changes, now is a good time to
render recent shared dicts mandatory.

See #3550
See #3311

kong/cache.lua

@@ -70,8 +70,8 @@ function _M.new(opts)
   end
 
   local mlcache, err = resty_mlcache.new(SHM_CACHE, SHM_CACHE, {
-    shm_miss         = ngx.shared.kong_db_cache_miss and "kong_db_cache_miss" or nil,
-    shm_locks        = ngx.shared.kong_locks and "kong_locks" or nil,
+    shm_miss         = "kong_db_cache_miss",
+    shm_locks        = "kong_locks",
     shm_set_retries  = 3,
     lru_size         = LRU_SIZE,
     ttl              = max(opts.ttl     or 3600, 0),

kong/constants.lua

@@ -84,10 +84,13 @@ return {
   },
   DICTS = {
     "kong",
+    "kong_locks",
     "kong_cache",
+    "kong_db_cache_miss",
     "kong_process_events",
     "kong_cluster_events",
     "kong_healthchecks",
+    "kong_rate_limiting_counters",
   },
   DATABASE = {
     POSTGRES = {

kong/plugins/rate-limiting/policies/init.lua

@@ -6,7 +6,7 @@ local reports = require "kong.reports"
 
 
 local ngx_log = ngx.log
-local shm = ngx.shared.kong_rate_limiting_counters or ngx.shared.kong_cache
+local shm = ngx.shared.kong_rate_limiting_counters
 local pairs = pairs
 local fmt = string.format
 

kong/plugins/response-ratelimiting/policies/init.lua

@@ -6,7 +6,7 @@ local reports = require "kong.reports"
 
 
 local ngx_log = ngx.log
-local shm = ngx.shared.kong_rate_limiting_counters or ngx.shared.kong_cache
+local shm = ngx.shared.kong_rate_limiting_counters
 local pairs = pairs
 local fmt = string.format