first pass of merging in warp (doesn't build)

app/src/integration_testing/subshell/util.rs

@@ -1,10 +1,16 @@
 /// The command used to proxy ssh requests through GCP's Identity-Aware Proxy.
 const PROXY_COMMAND: &str = "gcloud compute start-iap-tunnel ubuntu-14-04 25784 --listen-on-stdin --project=warp-ssh-integration-testing --zone=us-east4-a";
+/// The command used to proxy remote-server ssh requests through GCP's Identity-Aware Proxy.
+const REMOTE_SERVER_PROXY_COMMAND: &str = "gcloud compute start-iap-tunnel ssh-remote-server-testing 22 --listen-on-stdin --project=warp-ssh-integration-testing --zone=us-east4-b";
 
 /// Produces a user/host pair for testing a given remote shell.
 pub fn user_host(shell: &str) -> String {
     format!("{shell}@ubuntu-14-04")
 }
+/// Produces a user/host pair for remote-server tests.
+pub fn remote_server_user_host(shell: &str) -> String {
+    format!("{shell}@ssh-remote-server-testing")
+}
 
 /// Produces the full ssh command to run to ssh into a given remote shell.
 pub fn ssh_command(shell: &str, should_use_ssh_wrapper: bool) -> String {
@@ -22,3 +28,22 @@ pub fn ssh_command(shell: &str, should_use_ssh_wrapper: bool) -> String {
     ]
     .join(" ")
 }
+
+/// Produces the full ssh command to connect to the dedicated remote-server test host.
+pub fn remote_server_ssh_command(shell: &str, should_use_ssh_wrapper: bool) -> String {
+    [
+        if should_use_ssh_wrapper {
+            "ssh"
+        } else {
+            "command ssh"
+        },
+        &remote_server_user_host(shell),
+        "-p 22",
+        &format!("-o ProxyCommand=\"{REMOTE_SERVER_PROXY_COMMAND}\""),
+        "-o PreferredAuthentications=password",
+        "-o PubkeyAuthentication=no",
+        "-o StrictHostKeyChecking=no",
+        "-o UserKnownHostsFile=/dev/null",
+    ]
+    .join(" ")
+}