feat: Update 3 files

source/src/commands/create-service.cpp

@@ -160,6 +160,17 @@ namespace dropshell
             // copy the template config files to the service directory
             recursive_copy(tinfo.local_template_path() / "config", service_dir);
 
+            // set TEMPLATE in service.env first (required before get_service_info)
+            if (!set_env_variable(
+                localfile::service_env(server_name, service_name),
+                "TEMPLATE",
+                template_name,
+                "TEMPLATE set by dropshell on creation. Important this does not change."))
+            {
+                error << "Failed to set TEMPLATE in service.env" << std::endl;
+                return false;
+            }
+
             // modify the SSH_USER to be nice.
             // everything is created, so we can get the service info.
             LocalServiceInfo service_info = get_service_info(server_name, service_name);
@@ -210,17 +221,6 @@ namespace dropshell
                 service_env_file_out.close();
             }
 
-            // set TEMPLATE in service.env (removes any existing definition first)
-            if (!set_env_variable(
-                localfile::service_env(server_name, service_name),
-                "TEMPLATE",
-                template_name,
-                "TEMPLATE set by dropshell on creation. Important this does not change."))
-            {
-                error << "Failed to set TEMPLATE in service.env" << std::endl;
-                return false;
-            }
-
             // check docker.
             if (service_info.requires_docker)
             {

source/src/commands/validate-template.cpp

@@ -4,6 +4,7 @@
 #include "utils/utils.hpp"
 #include "utils/directories.hpp"
 #include "utils/execute.hpp"
+#include "utils/envmanager.hpp"
 #include "shared_commands.hpp"
 
 #include <iostream>
@@ -36,10 +37,13 @@ struct ValidateCommandRegister {
             "Validate a template's structure, syntax, and common issues.",
             R"(
 Validates a dropshell template by checking:
-  1. Required files exist (install.sh, uninstall.sh, config files)
+  1. Required files exist (install.sh, uninstall.sh, status.sh, config files)
   2. Shell script linting via shellcheck (run in container)
-  3. Dropshell-specific checks:
+  3. Scripts source common.sh
-     - Scripts source common.sh
+  4. Required variables in service.env (SSH_USER, CONTAINER_NAME)
+  5. Backup/restore script pairing
+  6. uninstall.sh preserves data volumes
+  7. Scripts are non-interactive (no read -p, select, etc.)
 
 Example:
   ds validate my-template
@@ -174,6 +178,174 @@ ValidationResult check_common_sh_sourced(const std::filesystem::path& script_pat
     return result;
 }
 
+// Check if a required variable is defined in service.env
+ValidationResult check_env_var_defined(const std::filesystem::path& service_env_path, const std::string& var_name) {
+    ValidationResult result;
+    result.passed = false;
+
+    if (!std::filesystem::exists(service_env_path)) {
+        result.message = "service.env not found";
+        return result;
+    }
+
+    envmanager env(service_env_path.string());
+    env.load();
+
+    std::string value = env.get_variable(var_name);
+    if (!value.empty()) {
+        result.passed = true;
+        result.message = var_name + " is defined in service.env";
+    } else {
+        result.message = var_name + " is not defined in service.env";
+        result.details = "This variable is required for proper service operation.";
+    }
+    return result;
+}
+
+// Check if backup.sh and restore.sh are paired
+ValidationResult check_backup_restore_pairing(const std::filesystem::path& template_path) {
+    ValidationResult result;
+
+    bool has_backup = std::filesystem::exists(template_path / "backup.sh");
+    bool has_restore = std::filesystem::exists(template_path / "restore.sh");
+
+    if (has_backup && !has_restore) {
+        result.passed = false;
+        result.message = "backup.sh exists but restore.sh is missing";
+        result.details = "Templates with backup.sh must also have restore.sh for data recovery.";
+    } else if (!has_backup && has_restore) {
+        result.passed = false;
+        result.message = "restore.sh exists but backup.sh is missing";
+        result.details = "restore.sh requires a corresponding backup.sh to create backups.";
+    } else {
+        result.passed = true;
+        if (has_backup && has_restore) {
+            result.message = "backup.sh and restore.sh are properly paired";
+        } else {
+            result.message = "No backup/restore scripts (optional)";
+        }
+    }
+    return result;
+}
+
+// Check if uninstall.sh contains volume removal (which it shouldn't)
+ValidationResult check_uninstall_preserves_volumes(const std::filesystem::path& template_path) {
+    ValidationResult result;
+    result.passed = true;
+
+    std::filesystem::path uninstall_path = template_path / "uninstall.sh";
+    if (!std::filesystem::exists(uninstall_path)) {
+        result.message = "uninstall.sh not found";
+        result.passed = false;
+        return result;
+    }
+
+    std::ifstream file(uninstall_path);
+    if (!file.is_open()) {
+        result.message = "Could not open uninstall.sh";
+        result.passed = false;
+        return result;
+    }
+
+    std::string line;
+    int line_num = 0;
+    std::vector<std::string> violations;
+
+    // Patterns that indicate volume removal
+    std::regex volume_rm_pattern(R"(docker\s+volume\s+rm)");
+    std::regex remove_volume_pattern(R"(_remove_volume\s)");
+    std::regex volume_prune_pattern(R"(docker\s+volume\s+prune)");
+
+    while (std::getline(file, line)) {
+        line_num++;
+        // Skip comments
+        std::string trimmed = line;
+        size_t hash_pos = trimmed.find('#');
+        if (hash_pos != std::string::npos) {
+            trimmed = trimmed.substr(0, hash_pos);
+        }
+
+        if (std::regex_search(trimmed, volume_rm_pattern) ||
+            std::regex_search(trimmed, remove_volume_pattern) ||
+            std::regex_search(trimmed, volume_prune_pattern)) {
+            violations.push_back("Line " + std::to_string(line_num) + ": " + line);
+        }
+    }
+
+    if (!violations.empty()) {
+        result.passed = false;
+        result.message = "uninstall.sh may remove data volumes";
+        result.details = "Found potential volume removal:\n";
+        for (const auto& v : violations) {
+            result.details += "    " + v + "\n";
+        }
+        result.details += "  Data volumes should only be removed in destroy.sh, not uninstall.sh.";
+    } else {
+        result.message = "uninstall.sh preserves data volumes";
+    }
+    return result;
+}
+
+// Check if scripts contain interactive commands
+int check_interactive_commands(const std::filesystem::path& template_path, std::vector<std::filesystem::path>& scripts) {
+    int issues = 0;
+
+    // Patterns that indicate interactive commands
+    std::regex read_p_pattern(R"(\bread\s+-[a-zA-Z]*p)");  // read -p, read -rp, etc.
+    std::regex read_prompt_pattern(R"(\bread\s+[^|&;#\n]*\s+\w+\s*$)");  // read var (simple read)
+    std::regex select_pattern(R"(\bselect\s+\w+\s+in\b)");
+
+    for (const auto& script : scripts) {
+        std::string filename = script.filename().string();
+
+        // Skip destroy.sh - it's allowed to have interactive prompts per TEMPLATES.md
+        if (filename == "destroy.sh") {
+            continue;
+        }
+
+        std::ifstream file(script);
+        if (!file.is_open()) continue;
+
+        std::string line;
+        int line_num = 0;
+        bool script_header_printed = false;
+
+        while (std::getline(file, line)) {
+            line_num++;
+
+            // Skip comments
+            std::string trimmed = line;
+            size_t hash_pos = trimmed.find('#');
+            if (hash_pos != std::string::npos) {
+                trimmed = trimmed.substr(0, hash_pos);
+            }
+            if (trimmed.empty()) continue;
+
+            bool found_issue = false;
+            std::string issue_type;
+
+            if (std::regex_search(trimmed, read_p_pattern)) {
+                found_issue = true;
+                issue_type = "interactive read";
+            } else if (std::regex_search(trimmed, select_pattern)) {
+                found_issue = true;
+                issue_type = "select menu";
+            }
+
+            if (found_issue) {
+                if (!script_header_printed) {
+                    warning << "  " << filename << ":" << std::endl;
+                    script_header_printed = true;
+                }
+                warning << "    Line " << line_num << ": " << issue_type << ": " << line << std::endl;
+                issues++;
+            }
+        }
+    }
+
+    return issues;
+}
+
 // ----------------------------------------------------------------------------
 // Main validation handler
 // ----------------------------------------------------------------------------
@@ -248,6 +420,70 @@ int validate_handler(const CommandContext& ctx) {
     }
     std::cout << std::endl;
 
+    // Step 5: Check required environment variables in service.env
+    info << "=== Required Variables in service.env ===" << std::endl;
+    std::filesystem::path service_env_path = template_path / "config" / filenames::service_env;
+    std::vector<std::string> required_service_vars = {"SSH_USER", "CONTAINER_NAME"};
+    for (const auto& var_name : required_service_vars) {
+        ValidationResult result = check_env_var_defined(service_env_path, var_name);
+        if (result.passed) {
+            info << "  ✓ " << result.message << std::endl;
+        } else {
+            error << "  ✗ " << result.message << std::endl;
+            if (!result.details.empty()) {
+                error << "    " << result.details << std::endl;
+            }
+            errors++;
+        }
+    }
+    std::cout << std::endl;
+
+    // Step 6: Check backup/restore pairing
+    info << "=== Backup/Restore Pairing ===" << std::endl;
+    {
+        ValidationResult result = check_backup_restore_pairing(template_path);
+        if (result.passed) {
+            info << "  ✓ " << result.message << std::endl;
+        } else {
+            error << "  ✗ " << result.message << std::endl;
+            if (!result.details.empty()) {
+                error << "    " << result.details << std::endl;
+            }
+            errors++;
+        }
+    }
+    std::cout << std::endl;
+
+    // Step 7: Check that uninstall.sh preserves volumes
+    info << "=== Data Volume Preservation ===" << std::endl;
+    {
+        ValidationResult result = check_uninstall_preserves_volumes(template_path);
+        if (result.passed) {
+            info << "  ✓ " << result.message << std::endl;
+        } else {
+            warning << "  ⚠ " << result.message << std::endl;
+            if (!result.details.empty()) {
+                warning << result.details << std::endl;
+            }
+            warnings++;
+        }
+    }
+    std::cout << std::endl;
+
+    // Step 8: Check for interactive commands
+    info << "=== Non-Interactive Script Check ===" << std::endl;
+    {
+        int interactive_issues = check_interactive_commands(template_path, shell_scripts);
+        if (interactive_issues == 0) {
+            info << "  ✓ No interactive commands found" << std::endl;
+        } else {
+            warning << "  Found " << interactive_issues << " potential interactive command(s)" << std::endl;
+            warning << "  Scripts must be non-interactive for automated deployments." << std::endl;
+            warnings += interactive_issues;
+        }
+    }
+    std::cout << std::endl;
+
     // Summary
     maketitle("Validation Summary");
     if (errors == 0 && warnings == 0) {

source/src/templates.cpp

@@ -777,7 +777,8 @@ For full documentation, see: dropshell help templates
             "config/" + filenames::service_env,
             filenames::template_info_env,
             "install.sh",
-            "uninstall.sh"
+            "uninstall.sh",
+            "status.sh"
         };
 
         for (const auto& file : required_files) {