eat: add PostgREST as a service type (PLAT-499, PLAT-500,PLAT-501,PLAT-502,PLAT-503)

api/apiv1/design/database.go

@@ -9,7 +9,7 @@ const (
 	cpuPattern             = `^[0-9]+(\.[0-9]{1,3}|m)?$`
 	postgresVersionPattern = `^\d{2}\.\d{1,2}$`
 	spockVersionPattern    = `^\d{1}$`
-	serviceVersionPattern  = `^(\d+\.\d+\.\d+|latest)$`
+	serviceVersionPattern  = `^(\d+\.\d+(\.\d+)?|latest)$`
 )
 
 var HostIDs = g.ArrayOf(Identifier, func() {
@@ -166,10 +166,10 @@ var ServiceSpec = g.Type("ServiceSpec", func() {
 		g.Meta("struct:tag:json", "service_type")
 	})
 	g.Attribute("version", g.String, func() {
-		g.Description("The version of the service in semver format (e.g., '1.0.0') or the literal 'latest'.")
+		g.Description("The version of the service (e.g., '1.0.0', '14.5') or the literal 'latest'.")
 		g.Pattern(serviceVersionPattern)
 		g.Example("1.0.0")
-		g.Example("1.2.3")
+		g.Example("14.5")
 		g.Example("latest")
 		g.Meta("struct:tag:json", "version")
 	})

server/internal/api/apiv1/validate.go

@@ -613,7 +613,7 @@ func validateS3RepoProperties(props repoProperties, path []string) []error {
 }
 
 var pgBackRestOptionPattern = regexp.MustCompile(`^[a-z0-9-]+$`)
-var semverPattern = regexp.MustCompile(`^\d+\.\d+\.\d+$`)
+var semverPattern = regexp.MustCompile(`^\d+\.\d+(\.\d+)?$`)
 
 // reservedLabelPrefix is the label key prefix reserved for system use.
 const reservedLabelPrefix = "pgedge."

server/internal/api/apiv1/validate_test.go

@@ -813,6 +813,16 @@ func TestValidateServiceSpec(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "valid PostgREST service with two-part version",
+			svc: &api.ServiceSpec{
+				ServiceID:   "postgrest",
+				ServiceType: "postgrest",
+				Version:     "14.5",
+				HostIds:     []api.Identifier{"host-1"},
+				Config:      map[string]any{},
+			},
+		},
 		{
 			name: "valid MCP service with 'latest' version",
 			svc: &api.ServiceSpec{

server/internal/orchestrator/swarm/postgrest_config.go

@@ -0,0 +1,47 @@
+package swarm
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/pgEdge/control-plane/server/internal/database"
+)
+
+// PostgRESTConfigParams holds all inputs needed to generate a postgrest.conf file.
+type PostgRESTConfigParams struct {
+	Config *database.PostgRESTServiceConfig
+}
+
+// GeneratePostgRESTConfig generates the postgrest.conf file content.
+// Credentials are not written here; they are injected as libpq env vars at the container level.
+func GeneratePostgRESTConfig(params *PostgRESTConfigParams) ([]byte, error) {
+	if params == nil {
+		return nil, fmt.Errorf("GeneratePostgRESTConfig: params must not be nil")
+	}
+	if params.Config == nil {
+		return nil, fmt.Errorf("GeneratePostgRESTConfig: params.Config must not be nil")
+	}
+	cfg := params.Config
+
+	var buf bytes.Buffer
+
+	fmt.Fprintf(&buf, "db-schemas = %q\n", cfg.DBSchemas)
+	fmt.Fprintf(&buf, "db-anon-role = %q\n", cfg.DBAnonRole)
+	fmt.Fprintf(&buf, "db-pool = %d\n", cfg.DBPool)
+	fmt.Fprintf(&buf, "db-max-rows = %d\n", cfg.MaxRows)
+
+	if cfg.JWTSecret != nil {
+		fmt.Fprintf(&buf, "jwt-secret = %q\n", *cfg.JWTSecret)
+	}
+	if cfg.JWTAud != nil {
+		fmt.Fprintf(&buf, "jwt-aud = %q\n", *cfg.JWTAud)
+	}
+	if cfg.JWTRoleClaimKey != nil {
+		fmt.Fprintf(&buf, "jwt-role-claim-key = %q\n", *cfg.JWTRoleClaimKey)
+	}
+	if cfg.ServerCORSAllowedOrigins != nil {
+		fmt.Fprintf(&buf, "server-cors-allowed-origins = %q\n", *cfg.ServerCORSAllowedOrigins)
+	}
+
+	return buf.Bytes(), nil
+}