github.com/pingcap/tidb-lightning@v5.0.0-rc.0.20210428090220-84b649866577+incompatible/lightning/backend/checkreq_test.go (about)

     1  // Copyright 2019 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package backend
    15  
    16  import (
    17  	"context"
    18  	"encoding/json"
    19  	"fmt"
    20  	"net/http"
    21  	"net/http/httptest"
    22  	"net/url"
    23  
    24  	"github.com/coreos/go-semver/semver"
    25  	. "github.com/pingcap/check"
    26  
    27  	"github.com/pingcap/tidb-lightning/lightning/common"
    28  )
    29  
    30  var _ = Suite(&checkReqSuite{})
    31  
    32  type checkReqSuite struct{}
    33  
    34  func (s *checkReqSuite) TestCheckVersion(c *C) {
    35  	err := checkVersion("TiNB", *semver.New("2.1.0"), *semver.New("2.3.5"))
    36  	c.Assert(err, IsNil)
    37  
    38  	err = checkVersion("TiNB", *semver.New("2.3.5"), *semver.New("2.1.0"))
    39  	c.Assert(err, ErrorMatches, "TiNB version too old.*")
    40  }
    41  
    42  func (s *checkReqSuite) TestCheckTiDBVersion(c *C) {
    43  	var version string
    44  	ctx := context.Background()
    45  
    46  	mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
    47  		c.Assert(req.URL.Path, Equals, "/status")
    48  		w.WriteHeader(http.StatusOK)
    49  		err := json.NewEncoder(w).Encode(map[string]interface{}{
    50  			"version": version,
    51  		})
    52  		c.Assert(err, IsNil)
    53  	}))
    54  
    55  	tls := common.NewTLSFromMockServer(mockServer)
    56  
    57  	version = "5.7.25-TiDB-v9999.0.0"
    58  	c.Assert(checkTiDBVersionByTLS(ctx, tls, requiredTiDBVersion), IsNil)
    59  
    60  	version = "5.7.25-TiDB-v1.0.0"
    61  	c.Assert(checkTiDBVersionByTLS(ctx, tls, requiredTiDBVersion), ErrorMatches, "TiDB version too old.*")
    62  }
    63  
    64  func (s *checkReqSuite) TestCheckPDVersion(c *C) {
    65  	var version string
    66  	ctx := context.Background()
    67  
    68  	mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
    69  		c.Assert(req.URL.Path, Equals, "/pd/api/v1/config/cluster-version")
    70  		w.WriteHeader(http.StatusOK)
    71  		err := json.NewEncoder(w).Encode(version)
    72  		c.Assert(err, IsNil)
    73  	}))
    74  	mockURL, err := url.Parse(mockServer.URL)
    75  	c.Assert(err, IsNil)
    76  
    77  	tls := common.NewTLSFromMockServer(mockServer)
    78  
    79  	version = "9999.0.0"
    80  	c.Assert(checkPDVersion(ctx, tls, mockURL.Host, requiredPDVersion), IsNil)
    81  
    82  	version = "1.0.0"
    83  	c.Assert(checkPDVersion(ctx, tls, mockURL.Host, requiredPDVersion), ErrorMatches, "PD version too old.*")
    84  }
    85  
    86  func (s *checkReqSuite) TestCheckTiKVVersion(c *C) {
    87  	var versions []string
    88  	ctx := context.Background()
    89  
    90  	mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
    91  		c.Assert(req.URL.Path, Equals, "/pd/api/v1/stores")
    92  		w.WriteHeader(http.StatusOK)
    93  
    94  		stores := make([]map[string]interface{}, 0, len(versions))
    95  		for i, v := range versions {
    96  			stores = append(stores, map[string]interface{}{
    97  				"store": map[string]interface{}{
    98  					"address": fmt.Sprintf("tikv%d.test:20160", i),
    99  					"version": v,
   100  				},
   101  			})
   102  		}
   103  		err := json.NewEncoder(w).Encode(map[string]interface{}{
   104  			"count":  len(versions),
   105  			"stores": stores,
   106  		})
   107  		c.Assert(err, IsNil)
   108  	}))
   109  	mockURL, err := url.Parse(mockServer.URL)
   110  	c.Assert(err, IsNil)
   111  
   112  	tls := common.NewTLSFromMockServer(mockServer)
   113  
   114  	versions = []string{"9999.0.0", "9999.0.0"}
   115  	c.Assert(checkTiKVVersion(ctx, tls, mockURL.Host, requiredTiKVVersion), IsNil)
   116  
   117  	versions = []string{"4.1.0", "v4.1.0-alpha-9-ga27a7dd"}
   118  	c.Assert(checkTiKVVersion(ctx, tls, mockURL.Host, requiredTiKVVersion), IsNil)
   119  
   120  	versions = []string{"9999.0.0", "1.0.0"}
   121  	c.Assert(checkTiKVVersion(ctx, tls, mockURL.Host, requiredTiKVVersion), ErrorMatches, `TiKV \(at tikv1\.test:20160\) version too old.*`)
   122  }