vtgateproxy v19 buildable and passing tests (#594)

* get v19 to build (WIP)

* sort of builds?

* misnamed flag

* flag name

* remove binary

Signed-off-by: Esme Lamb <dlamb@slack-corp.com>

* update go-mysql-driver

Signed-off-by: Esme Lamb <dlamb@slack-corp.com>

* return ErrNoSubConnAvailable for no available connections

Signed-off-by: Esme Lamb <dlamb@slack-corp.com>

---------

Signed-off-by: Esme Lamb <dlamb@slack-corp.com>

go.mod

@@ -18,7 +18,7 @@ require (
 	github.com/dave/jennifer v1.7.0
 	github.com/evanphx/json-patch v5.9.0+incompatible
 	github.com/fsnotify/fsnotify v1.7.0
-	github.com/go-sql-driver/mysql v1.7.1
+	github.com/go-sql-driver/mysql v1.8.1
 	github.com/golang/glog v1.2.0
 	github.com/golang/protobuf v1.5.4
 	github.com/golang/snappy v0.0.4
@@ -114,7 +114,10 @@ require (
 	modernc.org/sqlite v1.29.2
 )
 
-require github.com/go-chi/chi/v5 v5.0.10 // indirect
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/go-chi/chi/v5 v5.0.10 // indirect
+)
 
 require (
 	cloud.google.com/go v0.112.1 // indirect

go.sum

@@ -10,6 +10,8 @@ cloud.google.com/go/iam v1.1.6 h1:bEa06k05IO4f4uJonbB5iAgKTPpABy1ayxaIZV/GHVc=
 cloud.google.com/go/iam v1.1.6/go.mod h1:O0zxdPeGBoFdWW3HWmBxJsk0pfvNM/p/qa82rWOGTwI=
 cloud.google.com/go/storage v1.39.0 h1:brbjUa4hbDHhpQf48tjqMaXEV+f1OGoaTmQau9tmCsA=
 cloud.google.com/go/storage v1.39.0/go.mod h1:OAEj/WZwUYjA3YHQ10/YcN9ttGuEpLwvaoyBXIPikEk=
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24 h1:bvDV9vkmnHYOMsOr4WLk+Vo07yKIzd94sVoIqshQ4bU=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24/go.mod h1:8o94RPi1/7XTJvwPpRSzSUedZrtlirdB3r9Z20bi2f8=
 github.com/Azure/azure-pipeline-go v0.2.3 h1:7U9HBg1JFK3jHl5qmo4CTZKFTVgMwdFHMVtCdfBE21U=
@@ -153,6 +155,8 @@ github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
 github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
+github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=