NanamiAdmin
f6005cb324
Implement basic watchdog service for Linux systemd with: - Configuration loading - Logging system with database support - WebSocket log broadcasting - TCP server for agent communication - Project setup with Go modules
61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package postLog
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import (
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"database/sql"
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"fmt"
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"os"
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"time"
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)
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var (
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logsDB *sql.DB
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tableName string
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)
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func InitLogsDatabase(dbPath string) error {
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var err error
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logsDB, err = sql.Open("sqlite", dbPath)
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if err != nil {
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return fmt.Errorf("failed to open logs database: %w", err)
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}
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if err = logsDB.Ping(); err != nil {
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return fmt.Errorf("failed to ping logs database: %w", err)
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}
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timestamp := time.Now().Format("20060102_150405")
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tableName = fmt.Sprintf("logs_%s", timestamp)
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createTableSQL := fmt.Sprintf(`
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CREATE TABLE IF NOT EXISTS %s (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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level INTEGER NOT NULL,
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content TEXT NOT NULL,
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timestamp TEXT NOT NULL DEFAULT (datetime('now'))
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);`, tableName)
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_, err = logsDB.Exec(createTableSQL)
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if err != nil {
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return fmt.Errorf("failed to create logs table %s: %w", tableName, err)
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}
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return nil
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}
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func insertLogToDB(db *sql.DB, level int, content string, timestamp string) {
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if db != nil {
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_, err := db.Exec(fmt.Sprintf(`INSERT INTO %s (level, content, timestamp) VALUES (%d, '%s', '%s')`, tableName,
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level, content, timestamp))
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// fmt.Fprintf(os.Stderr, `INSERT INTO %s (level, content, timestamp) VALUES (%d, '%s', '%s')`, tableName, level, content, timestamp)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to write log to database: %v\n", err)
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}
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}
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}
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func SetLogsDatabase(db *sql.DB) {
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loggerMutex.Lock()
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defer loggerMutex.Unlock()
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logsDB = db
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}
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