hack/local-up-karmada.sh supports WSL2

added log when getting ip address on wsl2 environment

replaced special character that is only available on macos with =; verify ip address for WSL2 environment

Signed-off-by: Yifan <[email protected]>

Author: zclyne

hack/setup-dev-base.sh

@@ -83,10 +83,15 @@ else
 fi
 
 #step1. create host cluster and member clusters in parallel
-# host IP address: script parameter ahead of macOS IP
+# host IP address: script parameter ahead of WSL2 or macOS IP
 if [[ -z "${HOST_IPADDRESS}" ]]; then
-  util::get_macos_ipaddress # Adapt for macOS
-  HOST_IPADDRESS=${MAC_NIC_IPADDRESS:-}
+  if util::is_wsl2; then
+    util::get_wsl2_ipaddress # adapt for WSL2
+    HOST_IPADDRESS=${WSL2_HOST_IP_ADDRESS:-}
+  else
+    util::get_macos_ipaddress # Adapt for macOS
+    HOST_IPADDRESS=${MAC_NIC_IPADDRESS:-}
+  fi
 fi
 #prepare for kindClusterConfig
 TEMP_PATH=$(mktemp -d)

hack/util.sh

@@ -533,6 +533,16 @@ function util::get_docker_host_ip_port(){
   docker inspect --format='{{range $key, $value := index .NetworkSettings.Ports "6443/tcp"}}{{if eq $key 0}}{{$value.HostIp}}:{{$value.HostPort}}{{end}}{{end}}' "${container_name}"
 }
 
+# util::is_wsl2 checks if the current environment is WSL2.
+# Returns:
+#   0 if running in WSL2, 1 otherwise.
+# Usage:
+#   util::is_wsl2 && echo "WSL2 detected" || echo "Not WSL2"
+function util::is_wsl2(){
+  # /proc/sys/fs/binfmt_misc/WSLInterop exists only in WSL2 environments
+  [[ -f /proc/sys/fs/binfmt_misc/WSLInterop ]] || \
+    ( [[ -f /proc/version ]] && grep -q "WSL2" /proc/version )
+}
 # util::check_clusters_ready checks if a cluster is ready, if not, wait until timeout
 function util::check_clusters_ready() {
   local kubeconfig_path=${1}
@@ -548,7 +558,13 @@ function util::check_clusters_ready() {
   os_name=$(go env GOOS)
   local container_ip_port
   case $os_name in
-    linux) container_ip_port=$(util::get_docker_native_ipaddress "${context_name}-control-plane")":6443"
+    linux)
+      if util::is_wsl2; then
+        # WSL2 uses a different method to get the container IP address
+        container_ip_port=$(util::get_docker_host_ip_port "${context_name}-control-plane")
+      else # normal linux environment
+        container_ip_port=$(util::get_docker_native_ipaddress "${context_name}-control-plane")":6443"
+      fi
     ;;
     darwin) container_ip_port=$(util::get_docker_host_ip_port "${context_name}-control-plane")
     ;;
@@ -683,6 +699,16 @@ function util::add_routes() {
   unset IFS
 }
 
+# util::get_wsl2_ipaddress will get ip address on wsl2, store to 'WSL2_HOST_IP_ADDRESS' if available
+WSL2_HOST_IP_ADDRESS=''
+function util::get_wsl2_ipaddress() {
+  echo "====================================================" 
+  echo "= Detected that you are installing Karmada on WSL2 =" 
+  echo "====================================================" 
+  WSL2_HOST_IP_ADDRESS=$(hostname -I | awk '{print $1}')
+  util::verify_ip_address "${WSL2_HOST_IP_ADDRESS}"
+}
+
 # util::get_macos_ipaddress will get ip address on macos interactively, store to 'MAC_NIC_IPADDRESS' if available
 MAC_NIC_IPADDRESS=''
 function util::get_macos_ipaddress() {