|
public static ExtractCurrent ( string contextKey, |
||
| contextKey | string | |
| connection | ||
| schemaName | string | |
| extractDirectoryPath | string | |
| return | string | |
private Assembly LazyLoadDeployedAssembly()
{
var isOverrideDeploymentHistory = !string.IsNullOrEmpty(m_Config.DeployedAssemblyOverridePath);
if (isOverrideDeploymentHistory)
{
Log.Information(
"Override deployed assembly path {overridePath} specified. Deployment History will not be used!",
m_Config.DeployedAssemblyOverridePath);
return(m_AssemblyLoader.Load(MigrationsSource.Deployed, m_Config.DeployedAssemblyOverridePath));
}
if (m_Config.Mode == DeploymentMode.InitializeOnly || m_Config.Mode == DeploymentMode.SeedOnly)
{
return(null);
}
string deploymentHistoryAssemblyPath = null;
var targetContextKeySchema = GetContextKeySchema(TargetAssembly, m_Config.MigrationConfig.Type);
if (targetContextKeySchema == null)
{
Log.Warning(
"Failed to determine context key and schema name for config type {configType} in target assembly {assemblyPath}. " +
"The cause is most likely an attempt to migrate downward to a version in which {configType} does not exist. " +
"A deployed assembly override must be specified in these cases. Downward migrations will either not occur or will fail.",
m_Config.MigrationConfig.Type,
TargetAssembly.CodeBase);
return(null);
}
if (!GetIsTargetDatabaseExists())
{
Log.Debug(
"Database {endpointDatabase} does not exist on {endPointServer}. Deployment History will not be used.",
m_Config.Database.DatabaseName,
m_Config.Database.ServerName);
return(null);
}
var factory = DbProviderFactories.GetFactory(m_ConnectionInfoBuilder.ProviderName);
using (var connection = factory.CreateConnection())
{
connection.ConnectionString = m_ConnectionInfoBuilder.BuildConnectionString(
m_Config.Database,
m_Config.AuthMode,
m_Config.SqlLogin,
m_Config.SqlPassword);
connection.Open();
Log.Debug(
"Extracting current deployment history assemblies " +
"for {contextKey} in {schemaName} schema on {endPointServer}\\{endpointDatabase} to {extractPath}.",
targetContextKeySchema.ContextKey,
targetContextKeySchema.SchemaName,
m_Config.Database.ServerName,
m_Config.Database.DatabaseName,
m_Config.DeploymentHistoryExtractPath);
deploymentHistoryAssemblyPath = DeploymentHistory.ExtractCurrent(
targetContextKeySchema.ContextKey,
connection,
targetContextKeySchema.SchemaName,
m_Config.DeploymentHistoryExtractPath);
connection.Close();
}
if (string.IsNullOrEmpty(deploymentHistoryAssemblyPath))
{
Log.Warning("No {targetSchemaName} Deployment History available for {targetContextKey} on {endPointServer}\\{endpointDatabase}.",
targetContextKeySchema.SchemaName,
targetContextKeySchema.ContextKey,
m_Config.Database.ServerName,
m_Config.Database.DatabaseName);
return(null);
}
return(m_AssemblyLoader.Load(MigrationsSource.Deployed, deploymentHistoryAssemblyPath));
}
