Minor docs and test cleanup related to the SSH configuration

docs/config.md

@@ -1,4 +1,4 @@
-# Distributor Configuration
+# Configuration Reference
 
 ## Config File Location
 

docs/troubleshooting.md

@@ -150,7 +150,7 @@ Safe fix: remove one source of the credential or make the deployment intentional
 
 ## `host is required for ssh backend`
 
-Likely cause: SSH config is missing the structured `host` field, or an old URI-based SSH config is still in use.
+Likely cause: SSH config is missing the structured `host` field, or an old URL-style SSH config is still in use.
 
 Diagnostic:
 
@@ -158,7 +158,7 @@ Diagnostic:
 go run ./cmd/distributor run --config <config-path> --dry-run
 ```
 
-Safe fix: configure SSH with `host`, optional `user` and `port`, and `path`. The `uri` field is not used for SSH execution.
+Safe fix: configure SSH with `host`, optional `user` and `port`, and `path`. SSH URLs are not part of the active config schema.
 
 ## `no SSH auth methods configured`
 

internal/config/config.go

@@ -23,7 +23,6 @@ type Destination struct {
 	User      string         `yaml:"user"`
 	Port      int            `yaml:"port"`
 	Path      string         `yaml:"path"`
-	URI       string         `yaml:"uri"`
 	Endpoint  string         `yaml:"endpoint"`
 	Bucket    string         `yaml:"bucket"`
 	Prefix    string         `yaml:"prefix"`
@@ -42,7 +41,6 @@ type Backend struct {
 	User      string      `yaml:"user"`
 	Port      int         `yaml:"port"`
 	Path      string      `yaml:"path"`
-	URI       string      `yaml:"uri"`
 	Endpoint  string      `yaml:"endpoint"`
 	Bucket    string      `yaml:"bucket"`
 	Prefix    string      `yaml:"prefix"`

internal/config/load_test.go

@@ -349,7 +349,7 @@ pipelines:
 	}
 }
 
-func TestLoadFileRejectsSSHURIExecutionConfig(t *testing.T) {
+func TestLoadFileRejectsLegacySSHURIFieldAsUnknown(t *testing.T) {
 	assertLoadError(t, `
 pipelines:
   - id: reports
@@ -361,7 +361,7 @@ pipelines:
       - id: archive
         backend: local
         path: /archive
-`, "uri is not supported for ssh backend")
+`, "field uri not found")
 }
 
 func TestLoadFileRejectsUnsupportedBackend(t *testing.T) {

internal/config/validate.go

@@ -69,14 +69,14 @@ func Validate(cfg Config) error {
 }
 
 func validateSourceBackend(errs ValidationErrors, context string, backend Backend) ValidationErrors {
-	return validateBackend(errs, context, backend.Backend, backend.Host, backend.Port, backend.Path, backend.URI, backend.Endpoint, backend.Bucket, backend.Prefix, backend.SSH.HostKeyPolicy, backend.Creds)
+	return validateBackend(errs, context, backend.Backend, backend.Host, backend.Port, backend.Path, backend.Endpoint, backend.Bucket, backend.Prefix, backend.SSH.HostKeyPolicy, backend.Creds)
 }
 
 func validateDestinationBackend(errs ValidationErrors, context string, destination Destination) ValidationErrors {
-	return validateBackend(errs, context, destination.Backend, destination.Host, destination.Port, destination.Path, destination.URI, destination.Endpoint, destination.Bucket, destination.Prefix, destination.SSH.HostKeyPolicy, destination.Creds)
+	return validateBackend(errs, context, destination.Backend, destination.Host, destination.Port, destination.Path, destination.Endpoint, destination.Bucket, destination.Prefix, destination.SSH.HostKeyPolicy, destination.Creds)
 }
 
-func validateBackend(errs ValidationErrors, context, backend, host string, port int, path, uri, endpoint, bucket, prefix string, hostKeyPolicy HostKeyPolicy, creds Credentials) ValidationErrors {
+func validateBackend(errs ValidationErrors, context, backend, host string, port int, path, endpoint, bucket, prefix string, hostKeyPolicy HostKeyPolicy, creds Credentials) ValidationErrors {
 	switch backend {
 	case "":
 		errs = append(errs, context+".backend is required")
@@ -91,9 +91,6 @@ func validateBackend(errs ValidationErrors, context, backend, host string, port
 		if path == "" {
 			errs = append(errs, context+".path is required for ssh backend")
 		}
-		if uri != "" {
-			errs = append(errs, context+".uri is not supported for ssh backend; use host, user, port, and path")
-		}
 		if port < 0 || port > 65535 {
 			errs = append(errs, context+".port must be between 1 and 65535")
 		}