t/core/config_etcd.t

#
# 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.
#
use t::APISIX 'no_plan';

repeat_each(1);
no_long_string();
no_root_location();
log_level("info");

run_tests;

__DATA__

=== TEST 1: wrong etcd port
--- yaml_config
apisix:
  node_listen: 1984
etcd:
  host:
    - "http://127.0.0.1:7777"  -- wrong etcd port
  timeout: 1
--- config
    location /t {
        content_by_lua_block {
            ngx.sleep(8)
            ngx.say(body)
        }
    }
--- timeout: 12
--- request
GET /t
--- grep_error_log eval
qr{connection refused}
--- grep_error_log_out eval
qr/(connection refused){1,}/



=== TEST 2: originate TLS connection to etcd cluster without TLS configuration
--- yaml_config
apisix:
  node_listen: 1984
etcd:
  host:
    - "https://127.0.0.1:2379"
--- extra_init_by_lua
local health_check = require("resty.etcd.health_check")
health_check.get_target_status = function()
    return true
end
--- config
    location /t {
        content_by_lua_block {
            ngx.sleep(4)
            ngx.say("ok")
        }
    }
--- timeout: 5
--- request
GET /t
--- grep_error_log chop
handshake failed
--- grep_error_log_out eval
qr/(handshake failed){1,}/



=== TEST 3: originate plain connection to etcd cluster which enables TLS
--- yaml_config
apisix:
  node_listen: 1984
etcd:
  host:
    - "http://127.0.0.1:12379"
--- config
    location /t {
        content_by_lua_block {
            ngx.sleep(4)
            ngx.say("ok")
        }
    }
--- timeout: 5
--- request
GET /t
--- grep_error_log chop
closed
--- grep_error_log_out eval
qr/(closed){1,}/



=== TEST 4: originate TLS connection to etcd cluster and verify TLS certificate (default behavior)
--- yaml_config
apisix:
  node_listen: 1984
etcd:
  host:
    - "https://127.0.0.1:12379"
--- extra_init_by_lua
local health_check = require("resty.etcd.health_check")
health_check.get_target_status = function()
    return true
end
--- config
    location /t {
        content_by_lua_block {
            ngx.sleep(4)
            ngx.say("ok")
        }
    }
--- timeout: 5
--- request
GET /t
--- grep_error_log chop
18: self signed certificate
--- grep_error_log_out eval
qr/(18: self signed certificate){1,}/



=== TEST 5: set route(id: 1) to etcd cluster with TLS
--- yaml_config
apisix:
  node_listen: 1984
  admin_key: null
etcd:
  host:
    - "https://127.0.0.1:12379"
  tls:
    verify: false
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body = t('/apisix/admin/routes/1',
                ngx.HTTP_PUT,
                [[{
                    "methods": ["GET"],
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:8080": 1
                        },
                        "type": "roundrobin"
                    },
                    "desc": "new route",
                    "uri": "/index.html"
                }]]
                )

            ngx.status = code
            ngx.say(body)
        }
    }
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]



=== TEST 6: get route(id: 1) from etcd cluster with TLS
--- yaml_config
apisix:
  node_listen: 1984
  admin_key: null
etcd:
  host:
    - "https://127.0.0.1:12379"
  tls:
    verify: false
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body = t('/apisix/admin/routes/1',
                 ngx.HTTP_GET,
                 nil
                )

            ngx.status = code
            ngx.say(body)
        }
    }
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]



=== TEST 7: ensure only one auth request per subsystem for all the etcd sync
--- yaml_config
apisix:
  node_listen: 1984
etcd:
  host:
    - "http://127.0.0.1:1980" -- fake server port
  timeout: 1
  user: root                    # root username for etcd
  password: 5tHkHhYkjr6cQY      # root password for etcd
--- extra_init_by_lua
local health_check = require("resty.etcd.health_check")
health_check.get_target_status = function()
    return true
end
--- config
    location /t {
        content_by_lua_block {
            ngx.sleep(0.5)
        }
    }
--- request
GET /t
--- grep_error_log eval
qr/etcd auth failed/
--- grep_error_log_out
etcd auth failed
etcd auth failed
etcd auth failed
etcd auth failed



=== TEST 8: ensure add prefix automatically for _M.getkey
--- config
    location /t {
        content_by_lua_block {
            local core = require("apisix.core")

            local config = core.config.new()
            local res = config:getkey("/routes/")
            if res and res.status == 200 and res.body
               and res.body.node and res.body.node.key == "/apisix/routes" then
                ngx.say("passed")
              else
                ngx.say("failed")
            end

            local res = config:getkey("/phantomkey")
            if res and res.status == 404 then
                ngx.say("passed")
            else
                ngx.say("failed")
            end
        }
    }
--- request
GET /t
--- response_body
passed
passed
--- no_error_log
[error]



=== TEST 9: Test ETCD health check mode switch during APISIX startup
--- config
    location /t {
        content_by_lua_block {
            ngx.say("passed")
        }
    }
--- request
GET /t
--- response_body
passed
--- grep_error_log eval
qr/healthy check use \S+ \w+/
--- grep_error_log_out eval
qr/healthy check use round robin
(healthy check use ngx.shared dict){1,}/