Daemonless install about nix-installer

[Hoverbear]

@edolstra I would be quite curious if you had thoughts around the hostname problem above and if that impacts our discussion about this, since it seems like we can't offer full isolation anyways (with default settings).

[Hoverbear]

Noting Docker seems to work fine with some relatively straighforward patches:

However podman seems to lack some permissions:

Dockerfile:

FROM ubuntu
RUN apt update -y
RUN apt install curl systemd -y
COPY nix-installer /nix-installer

diff --git a/src/action/common/configure_nix_daemon_service.rs b/src/action/common/configure_nix_daemon_service.rs
index 8fc418a..31969d9 100644
--- a/src/action/common/configure_nix_daemon_service.rs
+++ b/src/action/common/configure_nix_daemon_service.rs
@@ -33,11 +33,11 @@ impl ConfigureNixDaemonService {
             }
             | OperatingSystem::Darwin => (),
             _ => {
-                if !Path::new("/run/systemd/system").exists() {
-                    return Err(ActionError::Custom(Box::new(
-                        ConfigureNixDaemonServiceError::InitNotSupported,
-                    )));
-                }
+                // if !Path::new("/run/systemd/system").exists() {
+                //     return Err(ActionError::Custom(Box::new(
+                //         ConfigureNixDaemonServiceError::InitNotSupported,
+                //     )));
+                // }
             },
         };
 
@@ -142,24 +142,24 @@ impl Action for ConfigureNixDaemonService {
                 .await
                 .map_err(ActionError::Command)?;
 
-                execute_command(
-                    Command::new("systemctl")
:...skipping...
diff --git a/src/action/common/configure_nix_daemon_service.rs b/src/action/common/configure_nix_daemon_service.rs
index 8fc418a..31969d9 100644
--- a/src/action/common/configure_nix_daemon_service.rs
+++ b/src/action/common/configure_nix_daemon_service.rs
@@ -33,11 +33,11 @@ impl ConfigureNixDaemonService {
             }
             | OperatingSystem::Darwin => (),
             _ => {
-                if !Path::new("/run/systemd/system").exists() {
-                    return Err(ActionError::Custom(Box::new(
-                        ConfigureNixDaemonServiceError::InitNotSupported,
-                    )));
-                }
+                // if !Path::new("/run/systemd/system").exists() {
+                //     return Err(ActionError::Custom(Box::new(
+                //         ConfigureNixDaemonServiceError::InitNotSupported,
+                //     )));
+                // }
             },
         };
 
@@ -142,24 +142,24 @@ impl Action for ConfigureNixDaemonService {
                 .await
                 .map_err(ActionError::Command)?;
 
-                execute_command(
-                    Command::new("systemctl")
-                        .process_group(0)
-                        .arg("daemon-reload")
-                        .stdin(std::process::Stdio::null()),
-                )
-                .await
-                .map_err(ActionError::Command)?;
-
-                execute_command(
-                    Command::new("systemctl")
-                        .process_group(0)
-                        .arg("enable")
-                        .arg("--now")
-                        .arg(SOCKET_SRC),
-                )
-                .await
-                .map_err(ActionError::Command)?;
+                // execute_command(
+                //     Command::new("systemctl")
+                //         .process_group(0)
+                //         .arg("daemon-reload")
+                //         .stdin(std::process::Stdio::null()),
+                // )
+                // .await
+                // .map_err(ActionError::Command)?;
+
+                // execute_command(
+                //     Command::new("systemctl")
+                //         .process_group(0)
+                //         .arg("enable")
+                //         .arg("--now")
+                //         .arg(SOCKET_SRC),
+                // )
+                // .await
+                // .map_err(ActionError::Command)?;
             },
         };

[Hoverbear]

In #196 we're testing auto-uid allocation which may impact the final outcome of this.