standardize S3 endpoint handling and add option for path-style

cmd/root.go

@@ -51,11 +51,13 @@ func rootCmd(execs execs) (*cobra.Command, error) {
 		Short: "backup or restore one or more mysql-compatible databases",
 		Long: `Backup or restore one or more mysql-compatible databases.
 		In addition to the provided command-line flag options and environment variables,
-		when using s3-storage, supports the standard AWS options:
+		when using s3-storage, supports the following AWS options:
 
 		AWS_ACCESS_KEY_ID: AWS Key ID
 		AWS_SECRET_ACCESS_KEY: AWS Secret Access Key
 		AWS_REGION: Region in which the bucket resides
+		AWS_ENDPOINT_URL: Endpoint URL to use instead of default s3.<region>.amazonaws.com
+		AWS_PATH_STYLE: Use path-style URLs for S3 requests instead of virtual-hosted-style URLs
 		`,
 		PersistentPreRunE: func(c *cobra.Command, args []string) error {
 			bindFlags(cmd, v)
@@ -146,6 +148,7 @@ func rootCmd(execs execs) (*cobra.Command, error) {
 			cmdConfig.creds = credentials.Creds{
 				AWS: credentials.AWSCreds{
 					Endpoint:        v.GetString("aws-endpoint-url"),
+					PathStyle:       v.GetBool("aws-path-style"),
 					AccessKeyID:     v.GetString("aws-access-key-id"),
 					SecretAccessKey: v.GetString("aws-secret-access-key"),
 					Region:          v.GetString("aws-region"),
@@ -187,6 +190,7 @@ func rootCmd(execs execs) (*cobra.Command, error) {
 
 	// aws options
 	pflags.String("aws-endpoint-url", "", "Specify an alternative endpoint for s3 interoperable systems e.g. Digitalocean; ignored if not using s3.")
+	pflags.Bool("aws-path-style", false, "Use path-style addressing of buckets instead of default virtual-host-style; ignored if not using s3.")
 	pflags.String("aws-access-key-id", "", "Access Key for s3 and s3 interoperable systems; ignored if not using s3.")
 	pflags.String("aws-secret-access-key", "", "Secret Access Key for s3 and s3 interoperable systems; ignored if not using s3.")
 	pflags.String("aws-region", "", "Region for s3 and s3 interoperable systems; ignored if not using s3.")

docs/configuration.md

@@ -84,6 +84,7 @@ The following are the environment variables, CLI flags and configuration file op
 | AWS secret access key, used only if a target does not have one | BRP | `aws-secret-access-key` | `AWS_SECRET_ACCESS_KEY` | `dump.targets[s3-target].secretAccessKey` |  |
 | AWS default region, used only if a target does not have one | BRP | `aws-region` | `AWS_REGION` | `dump.targets[s3-target].region` |  |
 | alternative endpoint URL for S3-interoperable systems, used only if a target does not have one | BR | `aws-endpoint-url` | `AWS_ENDPOINT_URL` | `dump.targets[s3-target].endpoint` |  |
+| path-style addressing for S3 bucket instead of default virtual-host-style addressing | BR | `aws-path-style` | `AWS_PATH_STYLE` | `dump.targets[s3-target].pathStyle` |  |
 | SMB username, used only if a target does not have one | BRP | `smb-user` | `SMB_USER` | `dump.targets[smb-target].username` |  |
 | SMB password, used only if a target does not have one | BRP | `smb-pass` | `SMB_PASS` | `dump.targets[smb-target].password` |  |
 | compression to use, one of: `bzip2`, `gzip` | BP | `compression` | `DB_DUMP_COMPRESSION` | `dump.compression` | `gzip` |
@@ -159,12 +160,13 @@ for details of each.
     * Type s3:
       * `region`: the region
       * `endpoint`: the endpoint
-      * `accessKeyId`: the access key ID (s3)
-      * `secretAccessKey`: the secret access key (s3)
+      * `pathStyle` (boolean): use path-style bucket addressing instead of virtual-host style bucket addressing, see [AWS docs](https://docs.aws.amazon.com/AmazonS3/latest/userguide/VirtualHosting.html)
+      * `accessKeyId`: the access key ID
+      * `secretAccessKey`: the secret access key
     * Type smb:
-      * `domain`: the domain (smb)
-      * `username`: the username (smb)
-      * `password`: the password (smb)
+      * `domain`: the domain
+      * `username`: the username
+      * `password`: the password
 * `logging`: the log level, one of: error,warning,info,debug,trace; default is info
 * `telemetry`: configuration for sending telemetry data (optional)
   * `url`: URL to telemetry service

go.mod

@@ -34,7 +34,6 @@ require (
 	github.com/felixge/httpsnoop v1.0.3 // indirect
 	github.com/go-logr/logr v1.2.4 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/sys/user v0.2.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0 // indirect
@@ -59,7 +58,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/sso v1.24.3 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.28.3 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sts v1.32.3 // indirect
-	github.com/aws/smithy-go v1.22.0
+	github.com/aws/smithy-go v1.22.0 // indirect
 	github.com/containerd/containerd v1.7.11 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/go-units v0.5.0 // indirect

go.sum

@@ -14,80 +14,42 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/aws/aws-sdk-go v1.44.256 h1:O8VH+bJqgLDguqkH/xQBFz5o/YheeZqgcOYIgsTVWY4=
 github.com/aws/aws-sdk-go v1.44.256/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
-github.com/aws/aws-sdk-go-v2 v1.30.3 h1:jUeBtG0Ih+ZIFH0F4UkmL9w3cSpaMv9tYYDbzILP8dY=
-github.com/aws/aws-sdk-go-v2 v1.30.3/go.mod h1:nIQjQVp5sfpQcTc9mPSr1B0PaWK5ByX9MOoDadSN4lc=
 github.com/aws/aws-sdk-go-v2 v1.32.3 h1:T0dRlFBKcdaUPGNtkBSwHZxrtis8CQU17UpNBZYd0wk=
 github.com/aws/aws-sdk-go-v2 v1.32.3/go.mod h1:2SK5n0a2karNTv5tbP1SjsX0uhttou00v/HpXKM1ZUo=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.3 h1:tW1/Rkad38LA15X4UQtjXZXNKsCgkshC3EbmcUmghTg=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.3/go.mod h1:UbnqO+zjqk3uIt9yCACHJ9IVNhyhOCnYk8yA19SAWrM=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.6 h1:pT3hpW0cOHRJx8Y0DfJUEQuqPild8jRGmSFmBgvydr0=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.6/go.mod h1:j/I2++U0xX+cr44QjHay4Cvxj6FUbnxrgmqN3H1jTZA=
-github.com/aws/aws-sdk-go-v2/config v1.27.27 h1:HdqgGt1OAP0HkEDDShEl0oSYa9ZZBSOmKpdpsDMdO90=
-github.com/aws/aws-sdk-go-v2/config v1.27.27/go.mod h1:MVYamCg76dFNINkZFu4n4RjDixhVr51HLj4ErWzrVwg=
 github.com/aws/aws-sdk-go-v2/config v1.28.1 h1:oxIvOUXy8x0U3fR//0eq+RdCKimWI900+SV+10xsCBw=
 github.com/aws/aws-sdk-go-v2/config v1.28.1/go.mod h1:bRQcttQJiARbd5JZxw6wG0yIK3eLeSCPdg6uqmmlIiI=
-github.com/aws/aws-sdk-go-v2/credentials v1.17.27 h1:2raNba6gr2IfA0eqqiP2XiQ0UVOpGPgDSi0I9iAP+UI=
-github.com/aws/aws-sdk-go-v2/credentials v1.17.27/go.mod h1:gniiwbGahQByxan6YjQUMcW4Aov6bLC3m+evgcoN4r4=
 github.com/aws/aws-sdk-go-v2/credentials v1.17.42 h1:sBP0RPjBU4neGpIYyx8mkU2QqLPl5u9cmdTWVzIpHkM=
 github.com/aws/aws-sdk-go-v2/credentials v1.17.42/go.mod h1:FwZBfU530dJ26rv9saAbxa9Ej3eF/AK0OAY86k13n4M=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.11 h1:KreluoV8FZDEtI6Co2xuNk/UqI9iwMrOx/87PBNIKqw=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.11/go.mod h1:SeSUYBLsMYFoRvHE0Tjvn7kbxaUhl75CJi1sbfhMxkU=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.18 h1:68jFVtt3NulEzojFesM/WVarlFpCaXLKaBxDpzkQ9OQ=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.18/go.mod h1:Fjnn5jQVIo6VyedMc0/EhPpfNlPl7dHV916O6B+49aE=
-github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.17.9 h1:TC2vjvaAv1VNl9A0rm+SeuBjrzXnrlwk6Yop+gKRi38=
-github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.17.9/go.mod h1:WPv2FRnkIOoDv/8j2gSUsI4qDc7392w5anFB/I89GZ8=
 github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.17.35 h1:ihPPdcCVSN0IvBByXwqVp28/l4VosBZ6sDulcvU2J7w=
 github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.17.35/go.mod h1:JkgEhs3SVF51Dj3m1Bj+yL8IznpxzkwlA3jLg3x7Kls=
-github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.15 h1:SoNJ4RlFEQEbtDcCEt+QG56MY4fm4W8rYirAmq+/DdU=
-github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.15/go.mod h1:U9ke74k1n2bf+RIgoX1SXFed1HLs51OgUSs+Ph0KJP8=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.22 h1:Jw50LwEkVjuVzE1NzkhNKkBf9cRN7MtE1F/b2cOKTUM=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.22/go.mod h1:Y/SmAyPcOTmpeVaWSzSKiILfXTVJwrGmYZhcRbhWuEY=
-github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.15 h1:C6WHdGnTDIYETAm5iErQUiVNsclNx9qbJVPIt03B6bI=
-github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.15/go.mod h1:ZQLZqhcu+JhSrA9/NXRm8SkDvsycE+JkV3WGY41e+IM=
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.22 h1:981MHwBaRZM7+9QSR6XamDzF/o7ouUGxFzr+nVSIhrs=
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.22/go.mod h1:1RA1+aBEfn+CAB/Mh0MB6LsdCYCnjZm7tKXtnk499ZQ=
-github.com/aws/aws-sdk-go-v2/internal/ini v1.8.0 h1:hT8rVHwugYE2lEfdFE0QWVo81lF7jMrYJVDWI+f+VxU=
-github.com/aws/aws-sdk-go-v2/internal/ini v1.8.0/go.mod h1:8tu/lYfQfFe6IGnaOdrpVgEL2IrrDOf6/m9RQum4NkY=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.1 h1:VaRN3TlFdd6KxX1x3ILT5ynH6HvKgqdiXoTxAF4HQcQ=
 github.com/aws/aws-sdk-go-v2/internal/ini v1.8.1/go.mod h1:FbtygfRFze9usAadmnGJNc8KsP346kEe+y2/oyhGAGc=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.15 h1:Z5r7SycxmSllHYmaAZPpmN8GviDrSGhMS6bldqtXZPw=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.15/go.mod h1:CetW7bDE00QoGEmPUoZuRog07SGVAUVW6LFpNP0YfIg=
 github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.22 h1:yV+hCAHZZYJQcwAaszoBNwLbPItHvApxT0kVIw6jRgs=
 github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.22/go.mod h1:kbR1TL8llqB1eGnVbybcA4/wgScxdylOdyAd51yxPdw=
-github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.3 h1:dT3MqvGhSoaIhRseqw2I0yH81l7wiR2vjs57O51EAm8=
-github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.3/go.mod h1:GlAeCkHwugxdHaueRr4nhPuY+WW+gR8UjlcqzPr1SPI=
 github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.12.0 h1:TToQNkvGguu209puTojY/ozlqy2d/SFNcoLIqTFi42g=
 github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.12.0/go.mod h1:0jp+ltwkf+SwG2fm/PKo8t4y8pJSgOCO4D8Lz3k0aHQ=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.3.17 h1:YPYe6ZmvUfDDDELqEKtAd6bo8zxhkm+XEFEzQisqUIE=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.3.17/go.mod h1:oBtcnYua/CgzCWYN7NZ5j7PotFDaFSUjCYVTtfyn7vw=
 github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.4.3 h1:kT6BcZsmMtNkP/iYMcRG+mIEA/IbeiUimXtGmqF39y0=
 github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.4.3/go.mod h1:Z8uGua2k4PPaGOYn66pK02rhMrot3Xk3tpBuUFPomZU=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.17 h1:HGErhhrxZlQ044RiM+WdoZxp0p+EGM62y3L6pwA4olE=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.17/go.mod h1:RkZEx4l0EHYDJpWppMJ3nD9wZJAa8/0lq9aVC+r2UII=
 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.12.3 h1:qcxX0JYlgWH3hpPUnd6U0ikcl6LLA9sLkXE2w1fpMvY=
 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.12.3/go.mod h1:cLSNEmI45soc+Ef8K/L+8sEA3A3pYFEYf5B5UI+6bH4=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.17.15 h1:246A4lSTXWJw/rmlQI+TT2OcqeDMKBdyjEQrafMaQdA=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.17.15/go.mod h1:haVfg3761/WF7YPuJOER2MP0k4UAXyHaLclKXB6usDg=
 github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.18.3 h1:ZC7Y/XgKUxwqcdhO5LE8P6oGP1eh6xlQReWNKfhvJno=
 github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.18.3/go.mod h1:WqfO7M9l9yUAw0HcHaikwRd/H6gzYdz7vjejCA5e2oY=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.58.2 h1:sZXIzO38GZOU+O0C+INqbH7C2yALwfMWpd64tONS/NE=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.58.2/go.mod h1:Lcxzg5rojyVPU/0eFwLtcyTaek/6Mtic5B1gJo7e/zE=
 github.com/aws/aws-sdk-go-v2/service/s3 v1.66.2 h1:p9TNFL8bFUMd+38YIpTAXpoxyz0MxC7FlbFEH4P4E1U=
 github.com/aws/aws-sdk-go-v2/service/s3 v1.66.2/go.mod h1:fNjyo0Coen9QTwQLWeV6WO2Nytwiu+cCcWaTdKCAqqE=
-github.com/aws/aws-sdk-go-v2/service/sso v1.22.4 h1:BXx0ZIxvrJdSgSvKTZ+yRBeSqqgPM89VPlulEcl37tM=
-github.com/aws/aws-sdk-go-v2/service/sso v1.22.4/go.mod h1:ooyCOXjvJEsUw7x+ZDHeISPMhtwI3ZCB7ggFMcFfWLU=
 github.com/aws/aws-sdk-go-v2/service/sso v1.24.3 h1:UTpsIf0loCIWEbrqdLb+0RxnTXfWh2vhw4nQmFi4nPc=
 github.com/aws/aws-sdk-go-v2/service/sso v1.24.3/go.mod h1:FZ9j3PFHHAR+w0BSEjK955w5YD2UwB/l/H0yAK3MJvI=
-github.com/aws/aws-sdk-go-v2/service/ssooidc v1.26.4 h1:yiwVzJW2ZxZTurVbYWA7QOrAaCYQR72t0wrSBfoesUE=
-github.com/aws/aws-sdk-go-v2/service/ssooidc v1.26.4/go.mod h1:0oxfLkpz3rQ/CHlx5hB7H69YUpFiI1tql6Q6Ne+1bCw=
 github.com/aws/aws-sdk-go-v2/service/ssooidc v1.28.3 h1:2YCmIXv3tmiItw0LlYf6v7gEHebLY45kBEnPezbUKyU=
 github.com/aws/aws-sdk-go-v2/service/ssooidc v1.28.3/go.mod h1:u19stRyNPxGhj6dRm+Cdgu6N75qnbW7+QN0q0dsAk58=
-github.com/aws/aws-sdk-go-v2/service/sts v1.30.3 h1:ZsDKRLXGWHk8WdtyYMoGNO7bTudrvuKpDKgMVRlepGE=
-github.com/aws/aws-sdk-go-v2/service/sts v1.30.3/go.mod h1:zwySh8fpFyXp9yOr/KVzxOl8SRqgf/IDw5aUt9UKFcQ=
 github.com/aws/aws-sdk-go-v2/service/sts v1.32.3 h1:wVnQ6tigGsRqSWDEEyH6lSAJ9OyFUsSnbaUWChuSGzs=
 github.com/aws/aws-sdk-go-v2/service/sts v1.32.3/go.mod h1:VZa9yTFyj4o10YGsmDO4gbQJUvvhY72fhumT8W4LqsE=
-github.com/aws/smithy-go v1.20.3 h1:ryHwveWzPV5BIof6fyDvor6V3iUL7nTfiTKXHiW05nE=
-github.com/aws/smithy-go v1.20.3/go.mod h1:krry+ya/rV9RDcV/Q16kpu6ypI4K2czasz0NC3qS14E=
 github.com/aws/smithy-go v1.22.0 h1:uunKnWlcoL3zO7q+gG2Pk53joueEOsnNB28QdMsmiMM=
 github.com/aws/smithy-go v1.22.0/go.mod h1:irrKGvNn1InZwb2d7fkIRNucdfwR8R+Ts3wxYa/cJHg=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=

pkg/config/local.go

@@ -133,6 +133,7 @@ type S3Target struct {
 	URL         string         `yaml:"url"`
 	Region      string         `yaml:"region"`
 	Endpoint    string         `yaml:"endpoint"`
+	PathStyle   bool           `yaml:"pathStyle"`
 	Credentials AWSCredentials `yaml:"credentials"`
 }
 
@@ -148,6 +149,9 @@ func (s S3Target) Storage() (storage.Storage, error) {
 	if s.Endpoint != "" {
 		opts = append(opts, s3.WithEndpoint(s.Endpoint))
 	}
+	if s.PathStyle {
+		opts = append(opts, s3.WithPathStyle())
+	}
 	if s.Credentials.AccessKeyId != "" {
 		opts = append(opts, s3.WithAccessKeyId(s.Credentials.AccessKeyId))
 	}

pkg/storage/credentials/creds.go

@@ -15,5 +15,6 @@ type AWSCreds struct {
 	AccessKeyID     string
 	SecretAccessKey string
 	Endpoint        string
+	PathStyle       bool
 	Region          string
 }

pkg/storage/parse.go

@@ -48,6 +48,9 @@ func ParseURL(url string, creds credentials.Creds) (Storage, error) {
 		if creds.AWS.SecretAccessKey != "" {
 			opts = append(opts, s3.WithSecretAccessKey(creds.AWS.SecretAccessKey))
 		}
+		if creds.AWS.PathStyle {
+			opts = append(opts, s3.WithPathStyle())
+		}
 		store = s3.New(*u, opts...)
 	default:
 		return nil, fmt.Errorf("unknown url protocol: %s", u.Scheme)

pkg/storage/s3/s3.go

@@ -15,7 +15,6 @@ import (
 	"github.com/aws/aws-sdk-go-v2/credentials"
 	"github.com/aws/aws-sdk-go-v2/feature/s3/manager"
 	"github.com/aws/aws-sdk-go-v2/service/s3"
-	smithyendpoints "github.com/aws/smithy-go/endpoints"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -190,36 +189,45 @@ func (s *S3) Remove(target string, logger *log.Entry) error {
 
 func (s *S3) getClient(logger *log.Entry) (*s3.Client, error) {
 	// Get the AWS config
-	var (
-		opts   []func(*config.LoadOptions) error // global client options
-		s3opts []func(*s3.Options)               // s3 client options
-	)
-	if s.endpoint != "" {
-		cleanEndpoint := getEndpoint(s.endpoint)
-		s3opts = append(s3opts,
-			s3.WithEndpointResolverV2(&staticResolver{endpoint: cleanEndpoint}),
-		)
-	}
+	var configOpts []func(*config.LoadOptions) error // global client options
 	if logger.Level == log.TraceLevel {
-		opts = append(opts, config.WithClientLogMode(aws.LogRequestWithBody|aws.LogResponse))
+		configOpts = append(configOpts, config.WithClientLogMode(aws.LogRequestWithBody|aws.LogResponse))
 	}
 	if s.region != "" {
-		opts = append(opts, config.WithRegion(s.region))
+		configOpts = append(configOpts, config.WithRegion(s.region))
 	}
 	if s.accessKeyId != "" {
-		opts = append(opts, config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
+		configOpts = append(configOpts, config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
 			s.accessKeyId,
 			s.secretAccessKey,
 			"",
 		)))
 	}
 	cfg, err := config.LoadDefaultConfig(context.TODO(),
-		opts...,
+		configOpts...,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("failed to load AWS config: %v", err)
 	}
 
+	// Get the S3 client
+	var s3opts []func(*s3.Options) // s3 client options
+	if s.endpoint != "" {
+		cleanEndpoint := getEndpoint(s.endpoint)
+		s3opts = append(s3opts,
+			func(o *s3.Options) {
+				o.BaseEndpoint = &cleanEndpoint
+			},
+		)
+	}
+	if s.pathStyle {
+		s3opts = append(s3opts,
+			func(o *s3.Options) {
+				o.UsePathStyle = true
+			},
+		)
+	}
+
 	// Create a new S3 service client
 	return s3.NewFromConfig(cfg, s3opts...), nil
 }
@@ -243,24 +251,6 @@ func getEndpoint(endpoint string) string {
 	return e
 }
 
-// endpointResolver is a custom endpoint resolver that always returns the same endpoint.
-type staticResolver struct {
-	endpoint string
-}
-
-func (s *staticResolver) ResolveEndpoint(ctx context.Context, params s3.EndpointParameters) (
-	smithyendpoints.Endpoint, error,
-) {
-	// This value will be used as-is when making the request.
-	u, err := url.Parse(s.endpoint)
-	if err != nil {
-		return smithyendpoints.Endpoint{}, err
-	}
-	return smithyendpoints.Endpoint{
-		URI: *u,
-	}, nil
-}
-
 type s3FileInfo struct {
 	name         string
 	lastModified time.Time