snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

puppet/zulip/lib/facter/container_memory_limit.rb

@@ -0,0 +1,25 @@
+Facter.add(:container_memory_limit_mb) do
+  confine kernel: 'Linux'
+
+  setcode do
+    begin
+      memory_limit_mb = nil
+
+      # Check for cgroup v2
+      if File.exist?('/sys/fs/cgroup/memory.max')
+        val = File.read('/sys/fs/cgroup/memory.max').strip
+        memory_limit_mb = val.to_i / 1024 / 1024 unless val == 'max'
+
+      # Fallback to cgroup v1
+      elsif File.exist?('/sys/fs/cgroup/memory/memory.limit_in_bytes')
+        val = File.read('/sys/fs/cgroup/memory/memory.limit_in_bytes').strip.to_i
+        memory_limit_mb = val / 1024 / 1024 if val < 9223372036854771712
+      end
+
+      memory_limit_mb
+    rescue => e
+      Facter.debug("container_memory_limit_mb error: #{e}")
+      nil
+    end
+  end
+end

puppet/zulip/lib/facter/io_uring_available.rb

@@ -0,0 +1,16 @@
+Facter.add(:io_uring_available) do
+  confine :kernel => 'Linux'
+  setcode do
+    # Syscall 425 is io_uring_setup
+    # https://www.chromium.org/chromium-os/developer-library/reference/linux-constants/syscalls/#x86_64_425
+    # https://manpages.debian.org/trixie/liburing-dev/io_uring_setup.2.en.html
+    #
+    # We get ENOSYS if the kernel doesn't have the syscall, or EPERM
+    # if it's disabled or restricted via seccomp (i.e. in Docker)
+    result = Facter::Core::Execution.execute(
+      "perl -MErrno=EPERM,ENOSYS -e 'syscall(425); exit((\$! != EPERM and \$! != ENOSYS) ? 0 : 1)'",
+      :on_fail => :failed
+    )
+    result != :failed && $?.success?
+  end
+end

puppet/zulip/lib/facter/zulip_version.rb

@@ -0,0 +1,17 @@
+require "open3"
+
+Facter.add(:zulip_version) do
+  setcode do
+    Dir.chdir(File.expand_path("../../../../", __dir__)) do
+      output, stderr, status = Open3.capture3(
+        "python3", "-c", "import version; print(version.ZULIP_VERSION_WITHOUT_COMMIT)"
+      )
+      if not status.success?
+        Facter.debug("zulip_version error: #{stderr}")
+        nil
+      else
+        output.strip
+      end
+    end
+  end
+end