public static void MigrateTable <T, O>(
this DnsDbContext context,
string tableName,
DbSet <T> sourceDbSet, DbSet <O> destDbSet, Func <T, O> transformFunc,
bool hasSequence = true, Func <int> maxId = null)
where T : class where O : class
{
foreach (var item in sourceDbSet)
{
destDbSet.Add(transformFunc(item));
}
if (hasSequence && sourceDbSet.Any())
{
context.SetCurrentSquenceId(tableName, maxId());
}
context.SaveChanges();
Console.WriteLine($"Table {tableName} migrated");
}
private static void Migrate()
{
var sqlOpt = new DbContextOptionsBuilder <MSSQL.MsSqlContext>();
sqlOpt.UseSqlServer(SQL_CONNECTION);
sqlOpt.UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking);
var pgOpt = new DbContextOptionsBuilder <DnsDbContext>();
pgOpt.UseNpgsql(PG_CONNECTION);
using (var sql = new MSSQL.MsSqlContext(sqlOpt.Options))
using (var pg = new DnsDbContext(pgOpt.Options))
using (var transaction = pg.Database.BeginTransaction())
{
pg.TruncateTables(TABLES);
pg.DisableTriggers(TABLES);
pg.MigrateTable(AttackGroups, sql.AttackGroups, pg.AttackGroups,
ag => new Dns.DAL.Models.AttackGroups
{
DateBegin = ag.DateBegin.ToUniversalTime(),
DateClose = ag.DateClose?.ToUniversalTime(),
Id = ag.Id,
Status = ag.Status
}, maxId: () => sql.AttackGroups.Max(x => x.Id));
pg.MigrateTable(AttackHistories, sql.AttackHistories, pg.AttackHistories,
ah => new Dns.DAL.Models.AttackHistories
{
AttackId = ah.AttackId,
CurrentStatus = ah.CurrentStatus,
Date = ah.Date.ToUniversalTime(),
Id = ah.Id,
PrevStatus = ah.PrevStatus
}, maxId: () => sql.AttackHistories.Max(x => x.Id));
pg.MigrateTable(DnsAttacks, sql.DnsAttacks, pg.DnsAttacks,
a => new Dns.DAL.Models.Attacks
{
AttackGroupId = a.AttackGroupId,
BlackDomain = a.BlackDomain,
Id = a.Id,
Ip = a.Ip,
IpBlocked = a.IpBlocked,
Status = a.Status,
SubnetBlocked = a.SubnetBlocked,
WhiteDomain = a.WhiteDomain
}, maxId: () => sql.DnsAttacks.Max(x => x.Id));
pg.MigrateTable(DomainExcludedNames, sql.DomainExcludedNames, pg.DomainExcludedNames,
den => new Dns.DAL.Models.DomainExcludedNames
{
BlackDomain = den.BlackDomain,
Id = den.Id,
WhiteDomain = den.WhiteDomain
}, maxId: () => sql.DomainExcludedNames.Max(x => x.Id));
pg.MigrateTable(DomainInfo, sql.DomainInfo, pg.DomainInfo,
di => new Dns.DAL.Models.DomainInfo
{
Company = di.Company,
DateCreate = di.DateCreate?.ToUniversalTime(),
DateUntil = di.DateUntil?.ToUniversalTime(),
Id = di.Id,
Registrant = di.Registrant
}, maxId: () => sql.DomainInfo.Max(x => x.Id));
pg.MigrateTable(DomainNs, sql.DomainNs, pg.DomainNs,
dn => new Dns.DAL.Models.DomainNSs
{
DomainId = dn.DomainId,
Id = dn.Id,
NsId = dn.NsId
}, maxId: () => sql.DomainNs.Max(x => x.Id));
pg.MigrateTable(GroupHistories, sql.GroupHistories, pg.GroupHistories,
gh => new Dns.DAL.Models.AttackGroupHistories
{
AttackGroupId = gh.AttackGroupId,
CurrentStatus = gh.CurrentStatus,
Date = gh.Date.ToUniversalTime(),
Id = gh.Id,
PrevStatus = gh.PrevStatus
}, maxId: () => sql.GroupHistories.Max(x => x.Id));
pg.MigrateTable(IpInfo, sql.IpInfo, pg.IpInfo,
ii => new Dns.DAL.Models.IpInfo
{
Company = ii.Company,
Country = ii.Country,
Id = ii.Id,
Ip = ii.Ip,
Subnet = ii.Subnet
}, maxId: () => sql.IpInfo.Max(x => x.Id));
pg.MigrateTable(NameServers, sql.NameServers, pg.NameServers,
ns => new Dns.DAL.Models.NameServers
{
Id = ns.Id,
NameServer = ns.NameServer
}, maxId: () => sql.NameServers.Max(x => x.Id));
pg.MigrateTable(Notes, sql.Notes, pg.Notes,
n => new Dns.DAL.Models.AttackNotes
{
AttackGroupId = n.AttackGroupId,
Date = n.Date.ToUniversalTime(),
Id = n.Id,
Text = n.Text
}, maxId: () => sql.Notes.Max(x => x.Id));
pg.MigrateTable(StatisticHistories, sql.StatisticHistories, pg.StatisticHistories,
sh => new Dns.DAL.Models.StatisticHistories
{
AttackComplete = sh.AttackComplete,
AttackIntersection = sh.AttackIntersection,
AttackNew = sh.AttackNew,
AttackTotal = sh.AttackTotal,
Date = sh.Date.ToUniversalTime(),
GroupAttack = sh.GroupAttack,
GroupComplete = sh.GroupComplete,
GroupDynamic = sh.GroupDynamic,
GroupNew = sh.GroupNew,
GroupThreat = sh.GroupThreat,
GroupTotal = sh.GroupTotal,
Id = sh.Id
}, maxId: () => sql.StatisticHistories.Max(x => x.Id));
pg.MigrateTable(SuspectDomains, sql.SuspectDomains, pg.SuspectDomains,
sd => new Dns.DAL.Models.SuspectDomains
{
Domain = sd.Domain,
Id = sd.Id,
Ip = sd.Ip
}, false);
pg.MigrateTable(WhiteDomains, sql.WhiteDomains, pg.WhiteDomains,
wd => new Dns.DAL.Models.WhiteDomains
{
DateAdded = wd.DateAdded.ToUniversalTime(),
Domain = wd.Domain,
Id = wd.Id
}, maxId: () => sql.WhiteDomains.Max(x => x.Id));
pg.EnableTriggers(TABLES);
pg.SaveChanges();
transaction.Commit();
Console.WriteLine("Migration Complete");
}
}