Merge pull request #32 from Dvorinka/feat/shared-vars

feat(vars): shared project variables — ${{shared.KEY}} refs

app/backend/internal/api/projectvars.go

@@ -0,0 +1,180 @@
+package api
+
+import (
+	"net/http"
+	"time"
+
+	"containr/internal/database"
+	"containr/internal/secrets"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+// Project-level shared variables — referenced from service env values as
+// ${{shared.KEY}} and resolved at runtime in resolveServiceEnv.
+
+type ProjectVariable struct {
+	ID        uuid.UUID `json:"id" db:"id"`
+	ProjectID uuid.UUID `json:"project_id" db:"project_id"`
+	Key       string    `json:"key" db:"key"`
+	Value     string    `json:"value" db:"value"`
+	IsSecret  bool      `json:"is_secret" db:"is_secret"`
+	CreatedAt time.Time `json:"created_at" db:"created_at"`
+	UpdatedAt time.Time `json:"updated_at" db:"updated_at"`
+}
+
+func handleGetProjectVariables(c *gin.Context) {
+	db, exists := c.Get("db")
+	if !exists {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Database connection not available"})
+		return
+	}
+	projectID, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid project ID"})
+		return
+	}
+	if _, allowed := projectManageAccess(c, db.(*database.DB), projectID); !allowed {
+		c.JSON(http.StatusForbidden, gin.H{"error": "Access denied"})
+		return
+	}
+
+	rows, err := db.(*database.DB).Query(
+		`SELECT id, project_id, key, value, is_secret, created_at, updated_at
+		 FROM project_variables WHERE project_id = $1 ORDER BY key ASC`,
+		projectID,
+	)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve variables"})
+		return
+	}
+	defer rows.Close()
+
+	variables := []ProjectVariable{}
+	for rows.Next() {
+		var v ProjectVariable
+		if err := rows.Scan(&v.ID, &v.ProjectID, &v.Key, &v.Value, &v.IsSecret, &v.CreatedAt, &v.UpdatedAt); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to scan variable"})
+			return
+		}
+		if v.IsSecret {
+			v.Value = maskedSecretValue
+		}
+		variables = append(variables, v)
+	}
+	c.JSON(http.StatusOK, gin.H{"variables": variables})
+}
+
+func handleUpdateProjectVariables(c *gin.Context) {
+	db, exists := c.Get("db")
+	if !exists {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Database connection not available"})
+		return
+	}
+	projectID, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid project ID"})
+		return
+	}
+	if _, allowed := projectManageAccess(c, db.(*database.DB), projectID); !allowed {
+		c.JSON(http.StatusForbidden, gin.H{"error": "Access denied"})
+		return
+	}
+
+	var req UpdateVariablesRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	storedSecrets := map[string]string{}
+	secretRows, err := db.(*database.DB).Query(
+		`SELECT key, value FROM project_variables WHERE project_id = $1 AND is_secret = TRUE`,
+		projectID,
+	)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to load existing variables"})
+		return
+	}
+	for secretRows.Next() {
+		var k, v string
+		if err := secretRows.Scan(&k, &v); err == nil {
+			storedSecrets[k] = v
+		}
+	}
+	secretRows.Close()
+
+	tx, err := db.(*database.DB).Begin()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to begin transaction"})
+		return
+	}
+	defer tx.Rollback()
+
+	if _, err = tx.Exec(`DELETE FROM project_variables WHERE project_id = $1`, projectID); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to clear existing variables"})
+		return
+	}
+	now := time.Now()
+	for _, v := range req.Variables {
+		value := v.Value
+		if v.IsSecret && value == maskedSecretValue {
+			if stored, ok := storedSecrets[v.Key]; ok {
+				value = stored
+			}
+		}
+		if v.IsSecret {
+			value = secrets.Encrypt(value)
+		}
+		if _, err = tx.Exec(
+			`INSERT INTO project_variables (id, project_id, key, value, is_secret, created_at, updated_at)
+			 VALUES ($1, $2, $3, $4, $5, $6, $7)`,
+			uuid.New(), projectID, v.Key, value, v.IsSecret, now, now,
+		); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to insert variable: " + v.Key})
+			return
+		}
+	}
+	if err = tx.Commit(); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to commit transaction"})
+		return
+	}
+
+	rows, err := db.(*database.DB).Query(
+		`SELECT id, project_id, key, value, is_secret, created_at, updated_at
+		 FROM project_variables WHERE project_id = $1 ORDER BY key ASC`,
+		projectID,
+	)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve variables"})
+		return
+	}
+	defer rows.Close()
+
+	variables := []ProjectVariable{}
+	for rows.Next() {
+		var v ProjectVariable
+		if err := rows.Scan(&v.ID, &v.ProjectID, &v.Key, &v.Value, &v.IsSecret, &v.CreatedAt, &v.UpdatedAt); err != nil {
+			continue
+		}
+		if v.IsSecret {
+			v.Value = maskedSecretValue
+		}
+		variables = append(variables, v)
+	}
+	c.JSON(http.StatusOK, gin.H{"variables": variables, "message": "Project variables updated successfully"})
+}
+
+// resolveSharedVar returns the decrypted value of a project variable.
+func resolveSharedVar(db *database.DB, projectID uuid.UUID, key string) (string, bool) {
+	var value string
+	err := db.QueryRow(
+		`SELECT value FROM project_variables WHERE project_id = $1 AND key = $2`,
+		projectID, key,
+	).Scan(&value)
+	if err != nil {
+		return "", false
+	}
+	return secrets.Decrypt(value), true
+}

app/backend/internal/api/routes.go

@@ -346,6 +346,10 @@ func SetupRoutes(router *gin.Engine, db *database.DB, redis *database.Redis, cfg
 			authed.GET("/services/:id/variables", handleGetVariables)
 			authed.PUT("/services/:id/variables", handleUpdateVariables)
 
+			// Project-level shared variables — ${{shared.KEY}} refs.
+			authed.GET("/projects/:id/variables", handleGetProjectVariables)
+			authed.PUT("/projects/:id/variables", handleUpdateProjectVariables)
+
 			// Runtime logs — container stdout routinely echoes secrets,
 			// so these stay behind authentication like build logs.
 			authed.GET("/services/:id/logs", handleGetLogs)

app/backend/internal/api/runtime.go

@@ -119,6 +119,9 @@ func resolveServiceEnv(db *database.DB, service Service) (map[string]string, err
 	}
 
 	resolve := func(serviceName, key string) (string, bool) {
+		if strings.EqualFold(serviceName, "shared") {
+			return resolveSharedVar(db, service.ProjectID, key)
+		}
 		id, ok := byName[strings.ToLower(serviceName)]
 		if !ok {
 			return "", false