Add URI configuration option

This commit is contained in:
Daniel J. Summers 2022-07-18 22:32:32 -04:00
parent 61e17038f8
commit 5d15de240d
3 changed files with 57 additions and 15 deletions

View File

@ -41,13 +41,15 @@ let fetchPost (postId : string) =
}
```
### A standard way to translate JSON into a strongly-typed configuration
### A standard way to translate JSON or a URI into a strongly-typed configuration
```fsharp
/// type: DataConfig
let config = DataConfig.fromJsonFile "data-config.json"
// OR
let config = DataConfig.fromConfiguration (config.GetSection "RethinkDB")
// OR
let config = DataConfig.fromUri (config.GetConnectionString "RethinkDB")
/// type: IConnection
let conn = config.Connect ()

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@ -1,5 +1,6 @@
namespace RethinkDb.Driver.FSharp
open System
open Microsoft.Extensions.Configuration
open Newtonsoft.Json.Linq
open RethinkDb.Driver
@ -72,6 +73,20 @@ type DataConfig =
| Some (Database x) -> x
| _ -> RethinkDBConstants.DefaultDbName
/// The effective configuration URI (excludes password / auth key)
member this.EffectiveUri =
seq {
"rethinkdb://"
match this.Parameters |> List.tryPick (fun x -> match x with User _ -> Some x | _ -> None) with
| Some (User (username, _)) -> $"{username}:***pw***@"
| _ ->
match this.Parameters |> List.tryPick (fun x -> match x with AuthKey _ -> Some x | _ -> None) with
| Some (AuthKey _) -> "****key****@"
| _ -> ()
$"{this.Hostname}:{this.Port}/{this.Database}/{this.Timeout}"
}
|> String.concat ""
/// Parse settings from JSON
///
/// A sample JSON object with all the possible properties filled in:
@ -116,3 +131,26 @@ type DataConfig =
match cfg["username"], cfg["password"] with null, _ | _, null -> () | user -> User user
]
}
/// Parse settings from a URI
///
/// rethinkdb://user:password@host:port/database/timeout
/// OR
/// rethinkdb://authkey@host:port/database/timeout
///
/// host is required, database is required if timeout is specified
static member FromUri (uri : string) =
let it = Uri uri
if it.Scheme <> "rethinkdb" then invalidArg "scheme" $"""URI scheme must be "rethinkdb" (was {it.Scheme})"""
{ Parameters =
[ Hostname it.Host
if it.Port <> -1 then Port it.Port
if it.UserInfo <> "" then
if it.UserInfo.Contains ':' then
let parts = it.UserInfo.Split ':' |> Array.truncate 2
User (parts[0], parts[1])
else AuthKey it.UserInfo
if it.Segments.Length > 1 then Database it.Segments[1]
if it.Segments.Length > 2 then Timeout (int it.Segments[2])
]
}

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@ -10,6 +10,8 @@ open RethinkDb.Driver.FSharp
let dataCfg = DataConfig.fromJson "rethink-config.json"
// - or -
let dataCfg = DataConfig.fromConfiguration [config-section]
// - or -
let dataCfg = DataConfig.fromUri [connection-string]
let conn = dataCfg.CreateConnection () // IConnection
```