|
| 1 | +package db |
| 2 | + |
| 3 | +import ( |
| 4 | + "database/sql" |
| 5 | + "log/slog" |
| 6 | + |
| 7 | + "github.com/go-sql-driver/mysql" |
| 8 | + |
| 9 | + "github.com/SBOsoft/SBOLogProcessor/metrics" |
| 10 | +) |
| 11 | + |
| 12 | +type SBOAnalyticsDB struct { |
| 13 | + DbInstance *sql.DB |
| 14 | +} |
| 15 | + |
| 16 | +func NewSBOAnalyticsDB() *SBOAnalyticsDB { |
| 17 | + rv := SBOAnalyticsDB{} |
| 18 | + return &rv |
| 19 | +} |
| 20 | + |
| 21 | +func (sboadb *SBOAnalyticsDB) Init(dbUser string, dbPassword string, dbAddress string, databaseName string) (bool, error) { |
| 22 | + cfg := mysql.NewConfig() |
| 23 | + cfg.User = dbUser |
| 24 | + cfg.Passwd = dbPassword |
| 25 | + cfg.Net = "tcp" |
| 26 | + cfg.Addr = dbAddress |
| 27 | + cfg.DBName = databaseName |
| 28 | + |
| 29 | + var err error |
| 30 | + sboadb.DbInstance, err = sql.Open("mysql", cfg.FormatDSN()) |
| 31 | + if err != nil { |
| 32 | + slog.Error("Failed to connect to mysql db", "error", err) |
| 33 | + return false, err |
| 34 | + } |
| 35 | + |
| 36 | + pingErr := sboadb.DbInstance.Ping() |
| 37 | + if pingErr != nil { |
| 38 | + slog.Error("Failed to ping the db after connection", "error", pingErr) |
| 39 | + return false, err |
| 40 | + } |
| 41 | + return true, nil |
| 42 | +} |
| 43 | + |
| 44 | +func (sboadb *SBOAnalyticsDB) Close() (bool, error) { |
| 45 | + err := sboadb.DbInstance.Close() |
| 46 | + if err != nil { |
| 47 | + return false, err |
| 48 | + } |
| 49 | + return true, nil |
| 50 | +} |
| 51 | + |
| 52 | +func (sboadb *SBOAnalyticsDB) GetDomainId(domainName string) (int, error) { |
| 53 | + result, err := sboadb.DbInstance.Exec("INSERT INTO sbo_domains (domain_name, created) VALUES (?, now())", domainName) |
| 54 | + if err != nil { |
| 55 | + //exists? try to select |
| 56 | + var domainId int |
| 57 | + row := sboadb.DbInstance.QueryRow("SELECT domain_id FROM sbo_domains WHERE domain_name = ?", domainName) |
| 58 | + err := row.Scan(&domainId) |
| 59 | + if err != nil { |
| 60 | + if err == sql.ErrNoRows { |
| 61 | + slog.Error("Unexpected error. db.GetDomainId could not create a new domain but selecting the existing record also failed", "domainName", domainName) |
| 62 | + } |
| 63 | + return -1, err |
| 64 | + } else { |
| 65 | + return domainId, nil |
| 66 | + } |
| 67 | + } else { |
| 68 | + newDomainId, err := result.LastInsertId() |
| 69 | + return int(newDomainId), err |
| 70 | + } |
| 71 | +} |
| 72 | + |
| 73 | +func (sboadb *SBOAnalyticsDB) GetFileId(domainId int, hostname string, filePath string) (int, error) { |
| 74 | + result, err := sboadb.DbInstance.Exec("INSERT INTO sbo_log_files (domain_id, host_name, file_path, created) VALUES (?, ?, ?, now())", domainId, hostname, filePath) |
| 75 | + if err != nil { |
| 76 | + //exists? try to select |
| 77 | + var fileId int |
| 78 | + row := sboadb.DbInstance.QueryRow("SELECT file_id FROM sbo_log_files WHERE domain_id = ? AND host_name=? AND file_path=?", domainId, hostname, filePath) |
| 79 | + err := row.Scan(&fileId) |
| 80 | + if err != nil { |
| 81 | + if err == sql.ErrNoRows { |
| 82 | + slog.Error("Unexpected error. db.GetFileId could not create a new log file entry but selecting the existing record also failed", "domainId", domainId, "hostname", hostname, "filePath", filePath) |
| 83 | + } |
| 84 | + return -1, err |
| 85 | + } else { |
| 86 | + return fileId, nil |
| 87 | + } |
| 88 | + } else { |
| 89 | + newFileId, err := result.LastInsertId() |
| 90 | + return int(newFileId), err |
| 91 | + } |
| 92 | +} |
| 93 | + |
| 94 | +func (sboadb *SBOAnalyticsDB) SaveMetricData(data *metrics.SBOMetricWindowDataToBeSaved, domainId int, replaceIfExists bool) (bool, error) { |
| 95 | + var sql string = "INSERT INTO sbo_metrics (domain_id, metric_type, key_value, time_window, metric_value, created) " + |
| 96 | + " VALUES (?, ?, ?, ?, ?, now()) " |
| 97 | + if replaceIfExists { |
| 98 | + sql += "ON DUPLICATE KEY UPDATE metric_value=VALUES(metric_value)" |
| 99 | + } else { |
| 100 | + sql += "ON DUPLICATE KEY UPDATE metric_value=metric_value+VALUES(metric_value)" |
| 101 | + } |
| 102 | + _, err := sboadb.DbInstance.Exec(sql, domainId, data.MetricType, data.KeyValue, data.TimeWindow, data.MetricValue) |
| 103 | + if err != nil { |
| 104 | + slog.Error("SaveMetricData failed", "domainId", domainId, "data.FilePath", data.FilePath, "error", err) |
| 105 | + return false, err |
| 106 | + } else { |
| 107 | + return true, nil |
| 108 | + } |
| 109 | +} |
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