Configure VPS SSH connection from environment variables

pom.xml

@@ -27,7 +27,7 @@
 		<url/>
 	</scm>
 	<properties>
-		<java.version>21</java.version>
+		<java.version>17</java.version>
 	</properties>
 	<dependencies>
 		<dependency>

src/main/java/com/litoralregas/openvpn/LrOpenvpnBackendApplication.java

@@ -1,13 +1,15 @@
 package com.litoralregas.openvpn;
 
+import com.litoralregas.openvpn.ssh.VpsSshProperties;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 
 @SpringBootApplication
+@EnableConfigurationProperties(VpsSshProperties.class)
 public class LrOpenvpnBackendApplication {
 
 	public static void main(String[] args) {
 		SpringApplication.run(LrOpenvpnBackendApplication.class, args);
 	}
-
 }

src/main/java/com/litoralregas/openvpn/router/RouterController.java

@@ -3,6 +3,7 @@ package com.litoralregas.openvpn.router;
 import com.litoralregas.openvpn.deployment.DeploymentAction;
 import com.litoralregas.openvpn.deployment.DeploymentResponse;
 import com.litoralregas.openvpn.deployment.DeploymentService;
+import com.litoralregas.openvpn.ssh.SshService;
 import jakarta.validation.Valid;
 import org.springframework.web.bind.annotation.*;
 
@@ -15,10 +16,12 @@ public class RouterController {
 
     private final RouterService service;
     private final DeploymentService deploymentService;
+    private final SshService sshService;
 
-    public RouterController(RouterService service, DeploymentService deploymentService) {
+    public RouterController(RouterService service, DeploymentService deploymentService, SshService sshService) {
         this.service = service;
         this.deploymentService = deploymentService;
+        this.sshService = sshService;
     }
 
     @GetMapping
@@ -58,24 +61,22 @@ public class RouterController {
         try {
             service.forceStatus(id, RouterStatus.PROVISIONING);
 
-            // Simulated provisioning for now.
-            var finishedDeployment = deploymentService.finishSuccess(
-                    deployment,
-                    "Provision completed successfully"
-            );
+            var result = sshService.executeOnConfiguredVps("whoami && hostname");
 
+            if (result.exitCode() == 0) {
+                var finished = deploymentService.finishSuccess(deployment, result.stdout());
                 service.forceStatus(id, RouterStatus.PROVISIONED);
-
-            return DeploymentResponse.from(finishedDeployment);
-        } catch (Exception exception) {
-            var failedDeployment = deploymentService.finishFailure(
-                    deployment,
-                    exception.getMessage()
-            );
-
+                return DeploymentResponse.from(finished);
+            } else {
+                var failed = deploymentService.finishFailure(deployment, result.stderr());
                 service.forceStatus(id, RouterStatus.FAILED);
+                return DeploymentResponse.from(failed);
+            }
 
-            return DeploymentResponse.from(failedDeployment);
+        } catch (Exception e) {
+            var failed = deploymentService.finishFailure(deployment, e.getMessage());
+            service.forceStatus(id, RouterStatus.FAILED);
+            return DeploymentResponse.from(failed);
         }
     }
 

src/main/java/com/litoralregas/openvpn/ssh/SshService.java

@@ -8,6 +8,20 @@ import java.nio.charset.StandardCharsets;
 
 @Service
 public class SshService {
+    private final VpsSshProperties properties;
+    public SshService(VpsSshProperties properties) {
+        this.properties = properties;
+    }
+
+    public SshCommandResult executeOnConfiguredVps(String command) {
+        return execute(
+                properties.getHost(),
+                properties.getPort(),
+                properties.getUsername(),
+                properties.getPassword(),
+                command
+        );
+    }
 
     public SshCommandResult execute(
             String host,

src/main/java/com/litoralregas/openvpn/ssh/SshTestController.java

@@ -13,13 +13,7 @@ public class SshTestController {
     }
 
     @PostMapping
-    public SshCommandResult test(@RequestBody SshTestRequest request) {
-        return sshService.execute(
-                request.host(),
-                request.port(),
-                request.username(),
-                request.password(),
-                "whoami && hostname"
-        );
+    public SshCommandResult test() {
+        return sshService.executeOnConfiguredVps("whoami && hostname");
     }
 }

src/main/java/com/litoralregas/openvpn/ssh/VpsSshProperties.java

@@ -0,0 +1,44 @@
+package com.litoralregas.openvpn.ssh;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "lr.vps.ssh")
+public class VpsSshProperties {
+
+    private String host;
+    private int port = 22;
+    private String username;
+    private String password;
+
+    public String getHost() {
+        return host;
+    }
+
+    public int getPort() {
+        return port;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    public void setPort(int port) {
+        this.port = port;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}

src/main/resources/application.yaml

@@ -23,3 +23,11 @@ management:
     web:
       exposure:
         include: health,info
+
+lr:
+  vps:
+    ssh:
+      host: ${LR_VPS_SSH_HOST}
+      port: ${LR_VPS_SSH_PORT:22}
+      username: ${LR_VPS_SSH_USER}
+      password: ${LR_VPS_SSH_PASSWORD}