Release/1.11

.evergreen/config.yml

@@ -1045,6 +1045,7 @@ tasks:
   - name: sa-fmt
     tags: ["static-analysis"]
     commands:
+      - func: install-linters
       - func: run-make
         vars:
           targets: check-fmt

Makefile

@@ -47,7 +47,7 @@ build-tests:
 
 .PHONY: check-fmt
 check-fmt:
-	etc/check_fmt.sh $(PKGS)
+	etc/check_fmt.sh
 
 # check-modules runs "go mod tidy" then "go mod vendor" and exits with a non-zero exit code if there
 # are any module or vendored modules changes. The intent is to confirm two properties:
@@ -69,7 +69,7 @@ doc:
 
 .PHONY: fmt
 fmt:
-	gofmt -l -s -w $(PKGS)
+	go fmt ./...
 
 .PHONY: lint
 lint:

etc/check_fmt.sh

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-# check_fmt gopackages...
-# Runs gofmt on given packages and checks that *_example_test.go files have wrapped lines.
+# check_fmt
+# Runs go fmt on all packages in the repo and checks that *_example_test.go files have wrapped lines.
 
-gofmt_out="$(gofmt -l -s "$@")"
+gofmt_out="$(go fmt ./...)"
 
 if [[ $gofmt_out ]]; then
-  echo "gofmt check failed for:";
+  echo "go fmt check failed for:";
   sed -e 's/^/ - /' <<< "$gofmt_out";
   exit 1;
 fi
@@ -16,7 +16,7 @@ fi
 # E.g ignored lines:
 #     // "mongodb://ldap-user:ldap-pwd@localhost:27017/?authMechanism=PLAIN"
 #     // (https://www.mongodb.com/docs/manual/core/authentication-mechanisms-enterprise/#security-auth-ldap).
-lll_out="$(find "$@" -type f -name "*_examples_test.go" | lll -w 4 -l 80 -e '^\s*\/\/.+:\/\/' --files)"
+lll_out="$(find . -type f -name "*_examples_test.go" | lll -w 4 -l 80 -e '^\s*\/\/.+:\/\/' --files)"
 
 if [[ $lll_out ]]; then
   echo "lll check failed for:";

mongo/crud_examples_test.go

@@ -749,8 +749,9 @@ func ExampleClient_StartSession_withTransaction() {
 	result, err := sess.WithTransaction(
 		context.TODO(),
 		func(sessCtx mongo.SessionContext) (interface{}, error) {
-			// Use sessCtx as the Context parameter for InsertOne and FindOne so
-			// both operations are run in a transaction.
+			// Use the mongo.SessionContext as the Context parameter for
+			// InsertOne and FindOne so both operations are run in the same
+			// transaction.
 
 			coll := client.Database("db").Collection("coll")
 			res, err := coll.InsertOne(sessCtx, bson.D{{"x", 1}})

mongo/integration/initial_dns_seedlist_discovery_test.go

@@ -15,12 +15,15 @@ import (
 	"runtime"
 	"strings"
 	"testing"
+	"time"
 
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/internal/testutil/assert"
+	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/description"
 	"go.mongodb.org/mongo-driver/mongo/integration/mtest"
 	"go.mongodb.org/mongo-driver/mongo/options"
+	"go.mongodb.org/mongo-driver/mongo/readpref"
 	"go.mongodb.org/mongo-driver/x/mongo/driver/connstring"
 	"go.mongodb.org/mongo-driver/x/mongo/driver/topology"
 )
@@ -37,19 +40,26 @@ type seedlistTest struct {
 	NumHosts *int     `bson:"numHosts"`
 	Error    bool     `bson:"error"`
 	Options  bson.Raw `bson:"options"`
+	Ping     *bool    `bson:"ping"`
 }
 
 func TestInitialDNSSeedlistDiscoverySpec(t *testing.T) {
 	mt := mtest.New(t, noClientOpts)
 	defer mt.Close()
 
 	mt.RunOpts("replica set", mtest.NewOptions().Topologies(mtest.ReplicaSet).CreateClient(false), func(mt *mtest.T) {
+		mt.Parallel()
+
 		runSeedlistDiscoveryDirectory(mt, "replica-set")
 	})
 	mt.RunOpts("sharded", mtest.NewOptions().Topologies(mtest.Sharded).CreateClient(false), func(mt *mtest.T) {
+		mt.Parallel()
+
 		runSeedlistDiscoveryDirectory(mt, "sharded")
 	})
 	mt.RunOpts("load balanced", mtest.NewOptions().Topologies(mtest.LoadBalanced).CreateClient(false), func(mt *mtest.T) {
+		mt.Parallel()
+
 		runSeedlistDiscoveryDirectory(mt, "load-balanced")
 	})
 }
@@ -63,6 +73,24 @@ func runSeedlistDiscoveryDirectory(mt *mtest.T, subdirectory string) {
 	}
 }
 
+// runSeedlistDiscoveryPingTest will create a new connection using the test URI and attempt to "ping" the server.
+func runSeedlistDiscoveryPingTest(mt *mtest.T, clientOpts *options.ClientOptions) {
+	ctx := context.Background()
+
+	client, err := mongo.Connect(ctx, clientOpts)
+	assert.Nil(mt, err, "Connect error: %v", err)
+
+	defer func() { _ = client.Disconnect(ctx) }()
+
+	// Create a context with a timeout to prevent the ping operation from blocking indefinitely.
+	pingCtx, cancel := context.WithTimeout(ctx, 1*time.Second)
+	defer cancel()
+
+	// Ping the server.
+	err = client.Ping(pingCtx, readpref.Nearest())
+	assert.Nil(mt, err, "Ping error: %v", err)
+}
+
 func runSeedlistDiscoveryTest(mt *mtest.T, file string) {
 	content, err := ioutil.ReadFile(file)
 	assert.Nil(mt, err, "ReadFile error for %v: %v", file, err)
@@ -131,6 +159,10 @@ func runSeedlistDiscoveryTest(mt *mtest.T, file string) {
 		_, err := getServerByAddress(host, topo)
 		assert.Nil(mt, err, "error finding host %q: %v", host, err)
 	}
+
+	if ping := test.Ping; ping == nil || *ping {
+		runSeedlistDiscoveryPingTest(mt, opts)
+	}
 }
 
 func buildSet(list []string) map[string]struct{} {
@@ -230,6 +262,14 @@ func getServerByAddress(address string, topo *topology.Topology) (description.Se
 	if err != nil {
 		return description.Server{}, err
 	}
+
+	// If the selected server is a topology.SelectedServer, then we can get the description without creating a
+	// connect pool.
+	topologySelectedServer, ok := selectedServer.(*topology.SelectedServer)
+	if ok {
+		return topologySelectedServer.Description().Server, nil
+	}
+
 	selectedServerConnection, err := selectedServer.Connection(context.Background())
 	if err != nil {
 		return description.Server{}, err

mongo/integration/retryable_writes_prose_test.go

@@ -282,7 +282,7 @@ func TestRetryableWritesProse(t *testing.T) {
 
 			require.True(mt, secondFailPointConfigured)
 
-			// Assert that the "NotWritablePrimary" error is returned.
+			// Assert that the "ShutdownInProgress" error is returned.
 			require.True(mt, err.(mongo.WriteException).HasErrorCode(int(shutdownInProgressErrorCode)))
 		})
 }

testdata/initial-dns-seedlist-discovery/load-balanced/loadBalanced-directConnection.json

@@ -10,5 +10,6 @@
     "loadBalanced": true,
     "ssl": true,
     "directConnection": false
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/load-balanced/loadBalanced-directConnection.yml

@@ -11,3 +11,4 @@ options:
     loadBalanced: true
     ssl: true
     directConnection: false
+ping: true

testdata/initial-dns-seedlist-discovery/load-balanced/loadBalanced-true-txt.json

@@ -9,5 +9,6 @@
   "options": {
     "loadBalanced": true,
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/load-balanced/loadBalanced-true-txt.yml

@@ -8,3 +8,4 @@ hosts:
 options:
     loadBalanced: true
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/load-balanced/srvMaxHosts-zero-txt.json

@@ -10,5 +10,6 @@
     "loadBalanced": true,
     "srvMaxHosts": 0,
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/load-balanced/srvMaxHosts-zero-txt.yml

@@ -8,3 +8,4 @@ options:
     loadBalanced: true
     srvMaxHosts: 0
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/load-balanced/srvMaxHosts-zero.json

@@ -10,5 +10,6 @@
     "loadBalanced": true,
     "srvMaxHosts": 0,
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/load-balanced/srvMaxHosts-zero.yml

@@ -8,3 +8,4 @@ options:
     loadBalanced: true
     srvMaxHosts: 0
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/direct-connection-false.json

@@ -11,5 +11,6 @@
   "options": {
     "ssl": true,
     "directConnection": false
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/direct-connection-false.yml

@@ -8,3 +8,4 @@ hosts:
 options:
     ssl: true
     directConnection: false
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/encoded-userinfo-and-db.json

@@ -0,0 +1,22 @@
+{
+  "uri": "mongodb+srv://b*b%40f3tt%3D:%244to%40L8%3DMC@test3.test.build.10gen.cc/mydb%3F?replicaSet=repl0",
+  "seeds": [
+    "localhost.test.build.10gen.cc:27017"
+  ],
+  "hosts": [
+    "localhost:27017",
+    "localhost:27018",
+    "localhost:27019"
+  ],
+  "options": {
+    "replicaSet": "repl0",
+    "ssl": true
+  },
+  "parsed_options": {
+    "user": "b*b@f3tt=",
+    "password": "$4to@L8=MC",
+    "db": "mydb?"
+  },
+  "ping": false,
+  "comment": "Encoded user, pass, and DB parse correctly"
+}

testdata/initial-dns-seedlist-discovery/replica-set/encoded-userinfo-and-db.yml

@@ -0,0 +1,19 @@
+uri: "mongodb+srv://b*b%40f3tt%3D:%244to%40L8%3DMC@test3.test.build.10gen.cc/mydb%3F?replicaSet=repl0"
+seeds:
+    - localhost.test.build.10gen.cc:27017
+hosts:
+    - localhost:27017
+    - localhost:27018
+    - localhost:27019
+options:
+    replicaSet: repl0
+    ssl: true
+parsed_options:
+    user: "b*b@f3tt="
+    password: "$4to@L8=MC"
+    db: "mydb?"
+# Don't run a ping for URIs that include userinfo. Ping doesn't require authentication, so missing
+# userinfo isn't a problem, but some drivers will fail handshake on a connection if userinfo is
+# provided but incorrect.
+ping: false
+comment: Encoded user, pass, and DB parse correctly

testdata/initial-dns-seedlist-discovery/replica-set/loadBalanced-false-txt.json

@@ -11,5 +11,6 @@
   "options": {
     "loadBalanced": false,
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/loadBalanced-false-txt.yml

@@ -8,3 +8,4 @@ hosts:
 options:
     loadBalanced: false
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/longer-parent-in-return.json

@@ -12,5 +12,6 @@
     "replicaSet": "repl0",
     "ssl": true
   },
+  "ping": true,
   "comment": "Is correct, as returned host name shared the URI root \"test.build.10gen.cc\"."
 }

testdata/initial-dns-seedlist-discovery/replica-set/longer-parent-in-return.yml

@@ -8,4 +8,5 @@ hosts:
 options:
     replicaSet: repl0
     ssl: true
+ping: true
 comment: Is correct, as returned host name shared the URI root "test.build.10gen.cc".

testdata/initial-dns-seedlist-discovery/replica-set/one-result-default-port.json

@@ -11,5 +11,6 @@
   "options": {
     "replicaSet": "repl0",
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/one-result-default-port.yml

@@ -8,3 +8,4 @@ hosts:
 options:
     replicaSet: repl0
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/one-txt-record-multiple-strings.json

@@ -11,5 +11,6 @@
   "options": {
     "replicaSet": "repl0",
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/one-txt-record-multiple-strings.yml

@@ -8,3 +8,4 @@ hosts:
 options:
     replicaSet: repl0
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/one-txt-record.json

@@ -12,5 +12,6 @@
     "replicaSet": "repl0",
     "authSource": "thisDB",
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/one-txt-record.yml

@@ -9,3 +9,4 @@ options:
     replicaSet: repl0
     authSource: thisDB
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/srv-service-name.json

@@ -12,5 +12,6 @@
   "options": {
     "ssl": true,
     "srvServiceName": "customname"
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/srv-service-name.yml

@@ -9,3 +9,4 @@ hosts:
 options:
     ssl: true
     srvServiceName: "customname"
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/srvMaxHosts-equal_to_srv_records.json

@@ -13,5 +13,6 @@
   "options": {
     "srvMaxHosts": 2,
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/srvMaxHosts-equal_to_srv_records.yml

@@ -14,3 +14,4 @@ hosts:
 options:
     srvMaxHosts: 2
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/srvMaxHosts-greater_than_srv_records.json

@@ -12,5 +12,6 @@
   "options": {
     "srvMaxHosts": 3,
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/srvMaxHosts-greater_than_srv_records.yml

@@ -13,3 +13,4 @@ hosts:
 options:
     srvMaxHosts: 3
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/srvMaxHosts-less_than_srv_records.json

@@ -9,5 +9,6 @@
   "options": {
     "srvMaxHosts": 1,
     "ssl": true
-  }
+  },
+  "ping": true
 }

testdata/initial-dns-seedlist-discovery/replica-set/srvMaxHosts-less_than_srv_records.yml

@@ -13,3 +13,4 @@ hosts:
 options:
     srvMaxHosts: 1
     ssl: true
+ping: true

testdata/initial-dns-seedlist-discovery/replica-set/srvMaxHosts-zero-txt.json

@@ -13,5 +13,6 @@
     "replicaSet": "repl0",
     "srvMaxHosts": 0,
     "ssl": true
-  }
+  },
+  "ping": true
 }