removing client-socket feature

Cargo.toml

@@ -94,7 +94,6 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tokio = { version = "1.28.2", features = ["time", "process", "rt", "net"] }
 xmlrpc = "0.15.1"
 termcolor = "1.1.3"
-tokio-unix-ipc = { version = "0.2.0", features = ["serde"] }
 
 [build-dependencies]
 anyhow = "1.0"
@@ -126,8 +125,6 @@ lto = "thin"
 # Note: If you add a feature here, you also probably want to update utils.rs:get_features()
 fedora-integration = []
 rhsm = ["libdnf-sys/rhsm"]
-# Enable hard requirement on `rpm-ostreed.socket`; requires https://bugzilla.redhat.com/show_bug.cgi?id=2110012
-client-socket = []
 bin-unit-tests = []
 # ASAN+UBSAN
 sanitizers = []

configure.ac

@@ -70,13 +70,6 @@ AC_ARG_ENABLE(featuresrs,
                              [Rust features, see Cargo.toml for more information]),,
               [enable_featuresrs=])
 
-AC_ARG_ENABLE(client-socket,
-              AS_HELP_STRING([--enable-client-socket],
-                             [(default: no)]),,
-              [enable_client_socket=no])
-AS_IF([test x$enable_client_socket = xyes], [enable_featuresrs="$enable_featuresrs client-socket"])
-AM_CONDITIONAL(CLIENT_SOCKET, [echo $enable_featuresrs | grep -q 'client-socket'])
-
 AC_SUBST([RUST_FEATURES], $enable_featuresrs)
 
 # Initialize libtool

packaging/rpm-ostree.spec.in

@@ -34,13 +34,6 @@ BuildRequires: rust
 %bcond_with rhsm
 %endif
 
-# https://bugzilla.redhat.com/show_bug.cgi?id=2110012
-%if 0%{?fedora} >= 37
-%bcond_without client_socket
-%else
-%bcond_with client_socket
-%endif
-
 # RHEL (8,9) doesn't ship zchunk today.  Keep this in sync
 # with libdnf: https://gitlab.com/redhat/centos-stream/rpms/libdnf/-/blob/762f631e36d1e42c63a794882269d26c156b68c1/libdnf.spec#L45
 %if 0%{?rhel}
@@ -182,7 +175,7 @@ env NOCONFIGURE=1 ./autogen.sh
 export RUSTFLAGS="%{build_rustflags}"
 %endif
 %configure --disable-silent-rules --enable-gtk-doc %{?rpmdb_default} %{?with_sanitizers:--enable-sanitizers}  %{?with_bin_unit_tests:--enable-bin-unit-tests} \
-  %{?with_rhsm:--enable-featuresrs=rhsm} %{?with_client_socket:--enable-client-socket} 
+  %{?with_rhsm:--enable-featuresrs=rhsm} 
 
 %make_build
 

rust/src/client.rs

@@ -159,11 +159,10 @@ pub(crate) fn client_handle_fd_argument(
 /// Connect to the client socket and ensure the daemon is initialized;
 /// this avoids DBus and ensures that we get any early startup errors
 /// returned cleanly.
-#[cfg(feature = "client-socket")]
 fn start_daemon_via_socket() -> Result<()> {
     use cap_std::io_lifetimes::IntoSocketlike;
 
-    let conn = tokio::net::UnixStream::connect("/run/rpm-ostree/client.sock")?;
+    let conn = tokio::net::UnixStream::connect("/run/rpm-ostree/client.sock");
 
     let address = sockaddr()?;
     let socket = rustix::net::socket(
@@ -197,62 +196,13 @@ pub(crate) fn sockaddr() -> Result<rustix::net::SocketAddrUnix> {
     rustix::net::SocketAddrUnix::new("/run/rpm-ostree/client.sock").map_err(anyhow::Error::msg)
 }
 
-/// Explicitly ensure the daemon is started via systemd, if possible.
-///
-/// This works around bugs from DBus activation, see
-/// https://github.com/coreos/rpm-ostree/pull/2932
-///
-/// Basically we load too much data before claiming the bus name,
-/// and dbus doesn't give us a useful error.  Instead, let's talk
-/// to systemd directly and use its client tools to scrape errors.
-///
-/// What we really should do probably is use native socket activation.
-#[cfg(not(feature = "client-socket"))]
-fn start_daemon_via_systemctl() -> Result<()> {
-    use std::process::Command;
-
-    let service = "rpm-ostreed.service";
-    // Assume non-root can't use systemd right now.
-    if rustix::process::getuid().as_raw() != 0 {
-        return Ok(());
-    }
-
-    // Unfortunately, RHEL8 systemd will count "systemctl start"
-    // invocations against the restart limit, so query the status
-    // first.
-    let activeres = Command::new("systemctl")
-        .args(&["is-active", "rpm-ostreed"])
-        .output()?;
-    // Explicitly don't check the error return value, we don't want to
-    // hard fail on it.
-    if String::from_utf8_lossy(&activeres.stdout).starts_with("active") {
-        // It's active, we're done.  Note that while this is a race
-        // condition, that's fine because it will be handled by DBus
-        // activation.
-        return Ok(());
-    }
-    let res = Command::new("systemctl")
-        .args(&["--no-ask-password", "start", service])
-        .status()?;
-    if !res.success() {
-        let _ = Command::new("systemctl")
-            .args(&["--no-pager", "status", service])
-            .status();
-        return Err(anyhow!("{}", res).into());
-    }
-    Ok(())
-}
-
 pub(crate) fn client_start_daemon() -> CxxResult<()> {
     // systemctl and socket paths only work for root right now; in the future
     // the socket may be opened up.
     if rustix::process::getuid().as_raw() != 0 {
         return Ok(());
     }
-    #[cfg(feature = "client-socket")]
     return start_daemon_via_socket().map_err(Into::into);
-    #[cfg(not(feature = "client-socket"))]
-    return start_daemon_via_systemctl().map_err(Into::into);
 }
 
 /// Convert the GVariant parameters from the DownloadProgress DBus API to a human-readable English string.

src/daemon/rpm-ostreed.socket

@@ -2,7 +2,7 @@
 ConditionKernelCommandLine=ostree
 
 [Socket]
-ListenStream=/run/rpm-ostree/client.sock
+ListenSequentialPacket=/run/rpm-ostree/client.sock
 SocketMode=0600
 
 [Install]