feature: supported PATCH method for admin routes API.

lua/apisix/admin/init.lua

@@ -16,7 +16,7 @@ local resources = {
 }
 
 
-local _M = {version = 0.1}
+local _M = {version = 0.2}
 local router
 
 
@@ -46,7 +46,7 @@ local function run(params)
         req_body = data
     end
 
-    local code, data = resource[method](params.id, req_body)
+    local code, data = resource[method](params.id, req_body, params.sub_path)
     if code then
         core.response.exit(code, data)
     end
@@ -60,25 +60,36 @@ end
 local uri_route = {
     {
         path = [[/apisix/admin/{res:routes|services|upstreams|consumers|ssl}]],
-        handler = run
+        handler = run,
+        method = {"GET", "PUT", "POST", "DELETE"},
     },
     {
         path = [[/apisix/admin/{res:routes|services|upstreams|consumers|ssl}]]
                 .. [[/{id:[\d\w_]+}]],
-        handler = run
+        handler = run,
+        method = {"GET", "PUT", "POST", "DELETE"},
     },
     {
         path = [[/apisix/admin/schema/{res:plugins}/{id:[\d\w-]+}]],
-        handler = run
+        handler = run,
+        method = {"GET", "PUT", "POST", "DELETE"},
     },
     {
         path = [[/apisix/admin/{res:schema}/]]
                 .. [[{id:route|service|upstream|consumer|ssl}]],
-        handler = run
+        handler = run,
+        method = {"GET", "PUT", "POST", "DELETE"},
     },
     {
         path = [[/apisix/admin/plugins/list]],
-        handler = get_plugins_list
+        handler = get_plugins_list,
+        method = {"GET", "PUT", "POST", "DELETE"},
+    },
+    {
+        path = [[/apisix/admin/{res:routes|services|upstreams|consumers|ssl}]]
+               .. [[/{id:[\d\w_]+}/{sub_path:.*}]],
+        handler = run,
+        method = {"PATCH"},
     },
 }
 
@@ -89,7 +100,6 @@ function _M.init_worker()
     end
 
     router = route.new(uri_route)
-
     router:compile()
 end
 

lua/apisix/admin/routes.lua

@@ -4,7 +4,7 @@ local tostring = tostring
 
 
 local _M = {
-    version = 0.1,
+    version = 0.2,
 }
 
 
@@ -146,4 +146,75 @@ function _M.delete(id)
 end
 
 
+function _M.patch(id, conf, sub_path)
+    if not id then
+        return 400, {error_msg = "missing route id"}
+    end
+
+    if not sub_path then
+        return 400, {error_msg = "missing sub-path"}
+    end
+
+    if not conf then
+        return 400, {error_msg = "missing new configuration"}
+    end
+
+    local key = "/routes"
+    if id then
+        key = key .. "/" .. id
+    end
+
+    local res_old, err = core.etcd.get(key)
+    if not res_old then
+        core.log.error("failed to delete route[", key, "]: ", err)
+        return 500, {error_msg = err}
+    end
+
+    if res_old.status ~= 200 then
+        return res_old.status, res_old.body
+    end
+    core.log.info("key: ", key, " old value: ",
+                  core.json.delay_encode(res_old, true))
+
+    local node_value = res_old.body.node.value
+    local sub_value = node_value
+    local sub_paths = core.utils.split_uri(sub_path)
+    for i = 1, #sub_paths - 1 do
+        local sub_name = sub_paths[i]
+        if sub_value[sub_name] == nil then
+            sub_value[sub_name] = {}
+        end
+
+        sub_value = sub_value[sub_name]
+
+        if type(sub_value) ~= "table" then
+            return 400, "invalid sub-path: /"
+                        .. core.table.concat(sub_paths, 1, i)
+        end
+    end
+
+    if type(sub_value) ~= "table" then
+        return 400, "invalid sub-path: /" .. sub_path
+    end
+
+    local sub_name = sub_paths[#sub_paths]
+    sub_value[sub_name] = conf
+    core.log.info("new conf: ", core.json.delay_encode(node_value, true))
+
+    local id, err = check_conf(id, node_value, true)
+    if not id then
+        return 400, err
+    end
+
+    -- TODO: this is not safe, we need to use compare-set
+    local res, err = core.etcd.set(key, node_value)
+    if not res then
+        core.log.error("failed to set new route[", key, "]: ", err)
+        return 500, {error_msg = err}
+    end
+
+    return res.status, res.body
+end
+
+
 return _M

t/admin/routes.t

@@ -970,3 +970,69 @@ GET /t
 passed
 --- no_error_log
 [error]
+
+
+
+=== TEST 28: patch route(new methods)
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/routes/1/methods',
+                ngx.HTTP_PATCH,
+                '["GET"]',
+                [[{
+                    "node": {
+                        "value": {
+                            "methods": [
+                                "GET"
+                            ]
+                        },
+                        "key": "/apisix/routes/1"
+                    },
+                    "action": "set"
+                }]]
+            )
+
+            ngx.status = code
+            ngx.say(body)
+        }
+    }
+--- request
+GET /t
+--- response_body
+passed
+--- no_error_log
+[error]
+
+
+
+=== TEST 29: patch route(new uri)
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/routes/1/uri',
+                ngx.HTTP_PATCH,
+                '"/patch_test"',
+                [[{
+                    "node": {
+                        "value": {
+                            "uri": "/patch_test"
+                        },
+                        "key": "/apisix/routes/1"
+                    },
+                    "action": "set"
+                }]]
+            )
+
+            ngx.status = code
+            ngx.say(body)
+        }
+    }
+--- request
+GET /t
+--- response_body
+passed
+--- no_error_log
+[error]