NLog use Connection String Name in appsettings












1















I have an NLog database target that looks like this:



<target xsi:type="Database" name="database"
connectionString="Server=.SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>


Is it possible to change the connectionString to use connectionStringName from my appsettings instead?



My appsettings is called dssettings.json and it contains the connection details here:



"DatabaseConfiguration": {
"DatabaseName": "ApplicationOne",
"ConnectionName": "DefaultConnection",
"ConnectionString": "Server=.\SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
},









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  • 1





    You shouldn't store the connection string in neither one, its not secure and you could accidentally commit it into your source control management system (Git, CSV etc.). Use user secrets, environment variables or azure key value store

    – Tseng
    Dec 30 '18 at 12:42











  • I understand but this is for a small project that has been using appsettings for awhile now.

    – JianYA
    Dec 30 '18 at 14:04











  • You could consider using the NLog Configuration API.

    – R. Richards
    Dec 30 '18 at 15:22
















1















I have an NLog database target that looks like this:



<target xsi:type="Database" name="database"
connectionString="Server=.SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>


Is it possible to change the connectionString to use connectionStringName from my appsettings instead?



My appsettings is called dssettings.json and it contains the connection details here:



"DatabaseConfiguration": {
"DatabaseName": "ApplicationOne",
"ConnectionName": "DefaultConnection",
"ConnectionString": "Server=.\SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
},









share|improve this question


















  • 1





    You shouldn't store the connection string in neither one, its not secure and you could accidentally commit it into your source control management system (Git, CSV etc.). Use user secrets, environment variables or azure key value store

    – Tseng
    Dec 30 '18 at 12:42











  • I understand but this is for a small project that has been using appsettings for awhile now.

    – JianYA
    Dec 30 '18 at 14:04











  • You could consider using the NLog Configuration API.

    – R. Richards
    Dec 30 '18 at 15:22














1












1








1








I have an NLog database target that looks like this:



<target xsi:type="Database" name="database"
connectionString="Server=.SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>


Is it possible to change the connectionString to use connectionStringName from my appsettings instead?



My appsettings is called dssettings.json and it contains the connection details here:



"DatabaseConfiguration": {
"DatabaseName": "ApplicationOne",
"ConnectionName": "DefaultConnection",
"ConnectionString": "Server=.\SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
},









share|improve this question














I have an NLog database target that looks like this:



<target xsi:type="Database" name="database"
connectionString="Server=.SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>


Is it possible to change the connectionString to use connectionStringName from my appsettings instead?



My appsettings is called dssettings.json and it contains the connection details here:



"DatabaseConfiguration": {
"DatabaseName": "ApplicationOne",
"ConnectionName": "DefaultConnection",
"ConnectionString": "Server=.\SQLEXPRESS;Database=ApplicationOne;Trusted_Connection=True;MultipleActiveResultSets=true;User Id=User0101;Password=PW0101"
},






asp.net logging asp.net-core nlog






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asked Dec 30 '18 at 11:55









JianYAJianYA

6541125




6541125








  • 1





    You shouldn't store the connection string in neither one, its not secure and you could accidentally commit it into your source control management system (Git, CSV etc.). Use user secrets, environment variables or azure key value store

    – Tseng
    Dec 30 '18 at 12:42











  • I understand but this is for a small project that has been using appsettings for awhile now.

    – JianYA
    Dec 30 '18 at 14:04











  • You could consider using the NLog Configuration API.

    – R. Richards
    Dec 30 '18 at 15:22














  • 1





    You shouldn't store the connection string in neither one, its not secure and you could accidentally commit it into your source control management system (Git, CSV etc.). Use user secrets, environment variables or azure key value store

    – Tseng
    Dec 30 '18 at 12:42











  • I understand but this is for a small project that has been using appsettings for awhile now.

    – JianYA
    Dec 30 '18 at 14:04











  • You could consider using the NLog Configuration API.

    – R. Richards
    Dec 30 '18 at 15:22








1




1





You shouldn't store the connection string in neither one, its not secure and you could accidentally commit it into your source control management system (Git, CSV etc.). Use user secrets, environment variables or azure key value store

– Tseng
Dec 30 '18 at 12:42





You shouldn't store the connection string in neither one, its not secure and you could accidentally commit it into your source control management system (Git, CSV etc.). Use user secrets, environment variables or azure key value store

– Tseng
Dec 30 '18 at 12:42













I understand but this is for a small project that has been using appsettings for awhile now.

– JianYA
Dec 30 '18 at 14:04





I understand but this is for a small project that has been using appsettings for awhile now.

– JianYA
Dec 30 '18 at 14:04













You could consider using the NLog Configuration API.

– R. Richards
Dec 30 '18 at 15:22





You could consider using the NLog Configuration API.

– R. Richards
Dec 30 '18 at 15:22












1 Answer
1






active

oldest

votes


















2














With help from nuget-package NLog.Appsettings.Standard then you can normally do this:



  <extensions>
<add assembly="NLog.Appsettings.Standard" />
</extensions>
<targets>
<target xsi:type="Database" name="database"
connectionString="${appsettings:name=DatabaseConfiguration.ConnectionString}"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>
</targets>


But because you are using a special dssettings.json (instead of appsettings.json), then you probably have to implement your own custom NLog layout renderer:



https://github.com/NLog/NLog/wiki/How-to-write-a-custom-layout-renderer



Maybe you can use the source-code from the above nuget-package as inspiration for loading dssettings.json. Or maybe create PullRequest that adds support for specifying non-default config-filename.






share|improve this answer


























  • Hello, thank you for replying. Is it possible to have 2 appsettings.json then? So one dssettings.json and one appsettings.json

    – JianYA
    Dec 30 '18 at 23:23











  • The ConfigurationBuilder.AddJsonFile can load from any filename. But like I said you have to implement the logic yourself. Maybe offer it as pull-request that allows one to provide custom filename.

    – Rolf Kristensen
    Dec 31 '18 at 8:44











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2














With help from nuget-package NLog.Appsettings.Standard then you can normally do this:



  <extensions>
<add assembly="NLog.Appsettings.Standard" />
</extensions>
<targets>
<target xsi:type="Database" name="database"
connectionString="${appsettings:name=DatabaseConfiguration.ConnectionString}"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>
</targets>


But because you are using a special dssettings.json (instead of appsettings.json), then you probably have to implement your own custom NLog layout renderer:



https://github.com/NLog/NLog/wiki/How-to-write-a-custom-layout-renderer



Maybe you can use the source-code from the above nuget-package as inspiration for loading dssettings.json. Or maybe create PullRequest that adds support for specifying non-default config-filename.






share|improve this answer


























  • Hello, thank you for replying. Is it possible to have 2 appsettings.json then? So one dssettings.json and one appsettings.json

    – JianYA
    Dec 30 '18 at 23:23











  • The ConfigurationBuilder.AddJsonFile can load from any filename. But like I said you have to implement the logic yourself. Maybe offer it as pull-request that allows one to provide custom filename.

    – Rolf Kristensen
    Dec 31 '18 at 8:44
















2














With help from nuget-package NLog.Appsettings.Standard then you can normally do this:



  <extensions>
<add assembly="NLog.Appsettings.Standard" />
</extensions>
<targets>
<target xsi:type="Database" name="database"
connectionString="${appsettings:name=DatabaseConfiguration.ConnectionString}"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>
</targets>


But because you are using a special dssettings.json (instead of appsettings.json), then you probably have to implement your own custom NLog layout renderer:



https://github.com/NLog/NLog/wiki/How-to-write-a-custom-layout-renderer



Maybe you can use the source-code from the above nuget-package as inspiration for loading dssettings.json. Or maybe create PullRequest that adds support for specifying non-default config-filename.






share|improve this answer


























  • Hello, thank you for replying. Is it possible to have 2 appsettings.json then? So one dssettings.json and one appsettings.json

    – JianYA
    Dec 30 '18 at 23:23











  • The ConfigurationBuilder.AddJsonFile can load from any filename. But like I said you have to implement the logic yourself. Maybe offer it as pull-request that allows one to provide custom filename.

    – Rolf Kristensen
    Dec 31 '18 at 8:44














2












2








2







With help from nuget-package NLog.Appsettings.Standard then you can normally do this:



  <extensions>
<add assembly="NLog.Appsettings.Standard" />
</extensions>
<targets>
<target xsi:type="Database" name="database"
connectionString="${appsettings:name=DatabaseConfiguration.ConnectionString}"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>
</targets>


But because you are using a special dssettings.json (instead of appsettings.json), then you probably have to implement your own custom NLog layout renderer:



https://github.com/NLog/NLog/wiki/How-to-write-a-custom-layout-renderer



Maybe you can use the source-code from the above nuget-package as inspiration for loading dssettings.json. Or maybe create PullRequest that adds support for specifying non-default config-filename.






share|improve this answer















With help from nuget-package NLog.Appsettings.Standard then you can normally do this:



  <extensions>
<add assembly="NLog.Appsettings.Standard" />
</extensions>
<targets>
<target xsi:type="Database" name="database"
connectionString="${appsettings:name=DatabaseConfiguration.ConnectionString}"
commandText="INSERT INTO [SchemaOne].[EventLogs](Id, Message, Level, Logger )VALUES(NewID(), @Message, @Level, @Logger)">
<parameter name="@Message" layout="${message}" />
<parameter name="@Level" layout="${level}" />
<parameter name="@Logger" layout="${logger}" />
</target>
</targets>


But because you are using a special dssettings.json (instead of appsettings.json), then you probably have to implement your own custom NLog layout renderer:



https://github.com/NLog/NLog/wiki/How-to-write-a-custom-layout-renderer



Maybe you can use the source-code from the above nuget-package as inspiration for loading dssettings.json. Or maybe create PullRequest that adds support for specifying non-default config-filename.







share|improve this answer














share|improve this answer



share|improve this answer








edited Dec 30 '18 at 16:16

























answered Dec 30 '18 at 16:09









Rolf KristensenRolf Kristensen

5,4102435




5,4102435













  • Hello, thank you for replying. Is it possible to have 2 appsettings.json then? So one dssettings.json and one appsettings.json

    – JianYA
    Dec 30 '18 at 23:23











  • The ConfigurationBuilder.AddJsonFile can load from any filename. But like I said you have to implement the logic yourself. Maybe offer it as pull-request that allows one to provide custom filename.

    – Rolf Kristensen
    Dec 31 '18 at 8:44



















  • Hello, thank you for replying. Is it possible to have 2 appsettings.json then? So one dssettings.json and one appsettings.json

    – JianYA
    Dec 30 '18 at 23:23











  • The ConfigurationBuilder.AddJsonFile can load from any filename. But like I said you have to implement the logic yourself. Maybe offer it as pull-request that allows one to provide custom filename.

    – Rolf Kristensen
    Dec 31 '18 at 8:44

















Hello, thank you for replying. Is it possible to have 2 appsettings.json then? So one dssettings.json and one appsettings.json

– JianYA
Dec 30 '18 at 23:23





Hello, thank you for replying. Is it possible to have 2 appsettings.json then? So one dssettings.json and one appsettings.json

– JianYA
Dec 30 '18 at 23:23













The ConfigurationBuilder.AddJsonFile can load from any filename. But like I said you have to implement the logic yourself. Maybe offer it as pull-request that allows one to provide custom filename.

– Rolf Kristensen
Dec 31 '18 at 8:44





The ConfigurationBuilder.AddJsonFile can load from any filename. But like I said you have to implement the logic yourself. Maybe offer it as pull-request that allows one to provide custom filename.

– Rolf Kristensen
Dec 31 '18 at 8:44


















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