add dtk-docker

cmd/dtk-docker/main.go

+package main
+
+import (
+        "fmt"
+        "os"
+        "os/exec"
+        "strings"
+        "syscall"
+)
+
+func isWritable(path string) bool {
+        return syscall.Access(path, syscall.O_RDWR) == nil
+}
+
+func fixVolumeArg(arg string) string {
+        parts := strings.Split(arg, ":")
+        if len(parts) < 2 {
+                return arg
+        }
+        hostPath := parts[0]
+
+        writable := isWritable(hostPath)
+
+        hasMode := len(parts) == 3
+
+        if !writable {
+                if hasMode {
+                        parts[len(parts)-1] = "ro"
+                        return strings.Join(parts, ":")
+                }
+                return arg + ":ro"
+        }
+
+        return arg
+}
+func HasRunSubcommand(args [] string) bool {
+     isrun := false
+     for _, arg := range args {
+         if arg == "run"{
+            isrun = true
+            return isrun
+         }
+     }
+     return isrun
+
+}
+func main() {
+        args := os.Args[1:]
+        newArgs := []string{}
+        if !HasRunSubcommand(args) {
+           newArgs = args
+
+        }else {
+           for i := 0; i < len(args); i++ {
+               if args[i] == "-v" && i + 1 < len(args) {
+                   fixed := fixVolumeArg(args[i+1])
+                   newArgs = append(newArgs, "-v", fixed)
+                   i++
+               } else {
+                   newArgs = append(newArgs, args[i])
+               }
+           }
+        }
+
+        cmd := exec.Command("sdocker", newArgs...)
+        cmd.Stdin = os.Stdin
+        cmd.Stdout = os.Stdout
+        cmd.Stderr = os.Stderr
+
+        if err := cmd.Run(); err != nil {
+                os.Exit(1)
+        }
+}

packaging/rpm/SPECS/dtk-container-toolkit.spec

@@ -13,23 +13,27 @@ Source0: dtk-ctk
 Source1: dtk-container-runtime
 Source2: dtk-cdi-hook
 Source3: LICENSE
+Source4: dtk-docker
 
 %description
 Provides tools and utilities to enable HCU support in containers.
 
 %prep
-cp %{SOURCE0} %{SOURCE1} %{SOURCE2} %{SOURCE3} .
+cp %{SOURCE0} %{SOURCE1} %{SOURCE2} %{SOURCE3} %{SOURCE4} .
 
 %install
 mkdir -p %{buildroot}%{_bindir}
 install -m 755 -t %{buildroot}%{_bindir} dtk-container-runtime
 install -m 755 -t %{buildroot}%{_bindir} dtk-ctk
 install -m 755 -t %{buildroot}%{_bindir} dtk-cdi-hook
+install -m 755 -t %{buildroot}%{_bindir} dtk-docker
 
 %posttrans
 if [ ! -e %{_bindir}/nvidia-container-runtime-hook ]; then
   # repairing lost file nvidia-container-runtime-hook
   ln -sf %{_bindir}/dtk-container-runtime %{_bindir}/nvidia-container-runtime-hook
+  mv %{_bindir}/docker %{_bindir}/sdocker
+  mv %{_bindir}/dtk-docker %{_bindir}/docker
 fi
 
 # Generate the default config; If this file already exists no changes are made.
@@ -44,6 +48,7 @@ echo -e "\e[032m ================================== \e[0m"
 %postun
 if [ "$1" = 0 ]; then  # package is uninstalled, not upgraded
   if [ -L %{_bindir}/nvidia-container-runtime-hook ]; then rm -f %{_bindir}/nvidia-container-runtime-hook; fi
+  if [ -e %{_bindir}/sdocker ]; then mv %{_bindir}/sdocker %{_bindir}/docker; fi
 fi
 
 %files
@@ -51,6 +56,7 @@ fi
 %{_bindir}/dtk-ctk
 %{_bindir}/dtk-container-runtime
 %{_bindir}/dtk-cdi-hook
+%{_bindir}/dtk-docker
 %changelog
 * %{release_date} HCUOpt CORPORATION %{version}-%{release}
-- initialize version
\ No newline at end of file
+- initialize version