[GitHub] [apisix] membphis commented on a change in pull request #2455: feat: new plugin, api breaker

[GitBox <gi...@apache.org>]

membphis commented on a change in pull request #2455:
URL: https://github.com/apache/apisix/pull/2455#discussion_r509098358



##########
File path: apisix/plugins/api-breaker.lua
##########
@@ -0,0 +1,248 @@
+--
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+
+local core = require("apisix.core")
+local plugin_name = "api-breaker"
+local ngx = ngx
+local math = math
+local error = error
+local ipairs = ipairs
+
+local shared_buffer = ngx.shared['plugin-'.. plugin_name]
+if not shared_buffer then
+    error("failed to get ngx.shared dict when load plugin " .. plugin_name)
+end
+
+
+local schema = {
+    type = "object",
+    properties = {
+        break_response_code = {
+            type = "integer",
+            minimum = 200,
+            maximum = 599,
+        },
+        max_breaker_sec = {
+            type = "integer",
+            minimum = 3,
+            default = 300,
+        },
+        unhealthy = {
+            type = "object",
+            properties = {
+                http_statuses = {
+                    type = "array",
+                    minItems = 1,
+                    items = {
+                        type = "integer",
+                        minimum = 500,
+                        maximum = 599,
+                    },
+                    uniqueItems = true,
+                    default = {500}
+                },
+                failures = {
+                    type = "integer",
+                    minimum = 1,
+                    default = 3,
+                }
+            },
+            default = {http_statuses = {500}, failures = 3}
+        },
+        healthy = {
+            type = "object",
+            properties = {
+                http_statuses = {
+                    type = "array",
+                    minItems = 1,
+                    items = {
+                        type = "integer",
+                        minimum = 200,
+                        maximum = 499,
+                    },
+                    uniqueItems = true,
+                    default = {200}
+                },
+                successes = {
+                    type = "integer",
+                    minimum = 1,
+                    default = 3,
+                }
+            },
+            default = {http_statuses = {200}, successes = 3}
+        }
+    },
+    required = {"break_response_code"},
+}
+
+
+-- todo: we can move this into `core.talbe`

Review comment:
       related issue: https://github.com/apache/apisix/issues/2486




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