Add healthcheck w/o credentials to stalwart-cli (#1880)

* Add healthcheck w/o credentials to stalwart-cli

* Rename enum Response<T> variant

The HealthcheckStatus identifier is not as generic, as it should be.
The Response data format, generated by the function `into_http_response()`
for `JsonProblemResponse`

* Aktualisieren von database.rs

* Healthcheck with direct call

crates/cli/src/main.rs

@@ -43,14 +43,20 @@ async fn main() -> std::io::Result<()> {
         } else if let Ok(credentials) = std::env::var("CREDENTIALS") {
             parse_credentials(&credentials)
         } else {
-            let credentials = rpassword::prompt_password(
-                "\nEnter administrator credentials or press [ENTER] to use OAuth: ",
-            )
-            .unwrap();
-            if !credentials.is_empty() {
+            if args.anonymous {
+                let credentials = "anonymous:".to_string();
                 parse_credentials(&credentials)
             } else {
-                oauth(&url).await
+                let credentials = rpassword::prompt_password(
+                    "\nEnter administrator credentials or press [ENTER] to use OAuth: ",
+                )
+                .unwrap();
+
+                if !credentials.is_empty() {
+                    parse_credentials(&credentials)
+                } else {
+                    oauth(&url).await
+                }
             }
         },
         timeout: args.timeout,
@@ -172,7 +178,7 @@ async fn oauth(url: &str) -> Credentials {
 #[serde(untagged)]
 pub enum Response<T> {
     Error(ManagementApiError),
-    Data { data: T },
+    Data { data: T }
 }
 
 #[derive(Deserialize)]
@@ -281,7 +287,7 @@ impl Client {
             Response::Error(error) => {
                 eprintln!("Request failed: {error})");
                 std::process::exit(1);
-            }
+            },
         }
     }
 }

crates/cli/src/modules/cli.rs

@@ -25,6 +25,9 @@ pub struct Cli {
     /// Connection timeout in seconds
     #[clap(short, long)]
     pub timeout: Option<u64>,
+    /// Do not ask for credentials
+    #[clap(short, long)]
+    pub anonymous: bool,
 }
 
 #[derive(Subcommand)]
@@ -450,6 +453,12 @@ pub enum ServerCommands {
         /// Prefix to filter configuration entries by
         prefix: Option<String>,
     },
+
+    /// Perform Healthcheck
+    Healthcheck {
+        /// Status `ready` (default) or `live` to check for
+        check: Option<String>
+    },
 }
 
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]

crates/cli/src/modules/database.rs

@@ -5,12 +5,11 @@
  */
 
 use std::collections::HashMap;
-
 use prettytable::{Attr, Cell, Row, Table};
-use reqwest::Method;
+use reqwest::{Method, StatusCode};
 use serde_json::Value;
 
-use crate::modules::Response;
+use crate::modules::{Response, UnwrapResult};
 
 use super::cli::{Client, ServerCommands};
 
@@ -112,6 +111,28 @@ impl ServerCommands {
                     if results.len() == 1 { "" } else { "s" }
                 );
             }
+            ServerCommands::Healthcheck { check } => {
+                let response = reqwest::get(
+                    format!("{}/healthz/{}",
+                            client.url,
+                            check.unwrap_or("ready".to_string()))
+                )
+                    .await
+                    .unwrap();
+
+                match response.status() {
+                    StatusCode::OK => {
+                        eprintln!("Success")
+                    },
+                    _ => {
+                        eprintln!(
+                            "Request failed: {}",
+                            response.text().await.unwrap_result("fetch text")
+                        );
+                        std::process::exit(1);
+                    }
+                }
+            }
         }
     }
 }