Add runner query api

database/func.go

@@ -531,3 +531,83 @@ WHERE
 
 	return secrets, nil
 }
+
+func (db *Database) GetRunners() ([]Runner, error) {
+	query := `
+SELECT id, name, token
+FROM runners;`
+
+	runners := make([]Runner, 0)
+
+	rows, err := db.Conn.Query(context.Background(), query)
+	if err != nil {
+		return runners, fmt.Errorf("Could not query database for runners: %w", err)
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var runner Runner
+		var idStr string
+		if err := rows.Scan(&idStr, &runner.Name, &runner.Token); err != nil {
+			return runners, err
+		}
+
+		runner.Id, err = uuid.Parse(idStr)
+		if err != nil {
+			return runners, err
+		}
+		runners = append(runners, runner)
+	}
+
+	return runners, nil
+}
+
+func (db *Database) GetRunnerById(id uuid.UUID) (Runner, error) {
+	query := `
+SELECT name, token
+FROM runners
+WHERE id=$1;`
+
+	runner := Runner{
+		Id: id,
+	}
+
+	err := db.Conn.QueryRow(context.Background(), query, id).Scan(nil, &runner.Name, &runner.Token)
+	if err != nil {
+		return runner, fmt.Errorf("Could not query database for runner with id %v: %w", id.String(), err)
+	}
+
+	return runner, nil
+}
+
+func (db *Database) CreateRunner(name string) (Runner, error) {
+	s := Runner{}
+
+	// validate that the runner name is only A-Z or underscores and less than 256 characters
+	if len(name) > 256 {
+		return s, fmt.Errorf("runner name must be 256 characters or less")
+	}
+
+	validName := regexp.MustCompile(`[A-Z0-9_]+$`)
+	if !validName.MatchString(name) {
+		return s, fmt.Errorf("secren name must be made up of only uppercase letters, numbers, and underscores")
+	}
+
+	query := `
+INSERT INTO runners (id, name, token)
+VALUES (uuid_generate_v4(), $1, TODO_GENERATE_STRING)
+RETURNING id, name, token;`
+
+	var idStr string
+	err := db.Conn.QueryRow(context.Background(), query, name).Scan(&idStr, &s.Name, &s.Token)
+	if err != nil {
+		return s, fmt.Errorf("Could not create runner: %w", err)
+	}
+
+	s.Id, err = uuid.Parse(idStr)
+	if err != nil {
+		return s, fmt.Errorf("Could not parse UUID generated by DB: %w", err)
+	}
+
+	return s, nil
+}