From 9b7ef3dad1f8fad2be3f069039673d9860687aea Mon Sep 17 00:00:00 2001 From: flouthoc Date: Thu, 26 Aug 2021 16:20:11 +0530 Subject: runtime: Warn if XDG_RUNTIME_DIR is set but is not writable. [NO TESTS NEEDED] Signed-off-by: Aditya Rajan --- libpod/runtime.go | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'libpod') diff --git a/libpod/runtime.go b/libpod/runtime.go index c5f5db531..1c9c56d16 100644 --- a/libpod/runtime.go +++ b/libpod/runtime.go @@ -15,6 +15,8 @@ import ( "syscall" "time" + "golang.org/x/sys/unix" + "github.com/containers/buildah/pkg/parse" "github.com/containers/common/libimage" "github.com/containers/common/pkg/config" @@ -328,6 +330,16 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (retErr error) { runtime.mergeDBConfig(dbConfig) + unified, _ := cgroups.IsCgroup2UnifiedMode() + if unified && rootless.IsRootless() && !systemd.IsSystemdSessionValid(rootless.GetRootlessUID()) { + // If user is rootless and XDG_RUNTIME_DIR is found, podman will not proceed with /tmp directory + // it will try to use existing XDG_RUNTIME_DIR + // if current user has no write access to XDG_RUNTIME_DIR we will fail later + if unix.Access(runtime.storageConfig.RunRoot, unix.W_OK) != nil { + logrus.Warnf("XDG_RUNTIME_DIR is pointing to a path which is not writable. Most likely podman will fail.") + } + } + logrus.Debugf("Using graph driver %s", runtime.storageConfig.GraphDriverName) logrus.Debugf("Using graph root %s", runtime.storageConfig.GraphRoot) logrus.Debugf("Using run root %s", runtime.storageConfig.RunRoot) -- cgit v1.2.3-54-g00ecf