Add VM Type in Basic Info

Add Virtualization type in basic info.
Inspired from bench.sh

yabs.sh

@@ -58,6 +58,75 @@ else
 	exit 1
 fi
 
+# Functions to identify virtualization type of host system
+_exists() {
+    local cmd="$1"
+    if eval type type > /dev/null 2>&1; then
+        eval type "$cmd" > /dev/null 2>&1
+    elif command > /dev/null 2>&1; then
+        command -v "$cmd" > /dev/null 2>&1
+    else
+        which "$cmd" > /dev/null 2>&1
+    fi
+    local rt=$?
+    return ${rt}
+}
+check_virt() {
+    _exists "dmesg" && virtualx="$(dmesg 2>/dev/null)"
+    if _exists "dmidecode"; then
+        sys_manu="$(dmidecode -s system-manufacturer 2>/dev/null)"
+        sys_product="$(dmidecode -s system-product-name 2>/dev/null)"
+        sys_ver="$(dmidecode -s system-version 2>/dev/null)"
+    else
+        sys_manu=""
+        sys_product=""
+        sys_ver=""
+    fi
+    if grep -qa docker /proc/1/cgroup; then
+        VIRT="Docker"
+    elif grep -qa lxc /proc/1/cgroup; then
+        VIRT="LXC"
+    elif grep -qa container=lxc /proc/1/environ; then
+        VIRT="LXC"
+    elif [[ -f /proc/user_beancounters ]]; then
+        VIRT="OpenVZ"
+    elif [[ "${virtualx}" == *kvm-clock* ]]; then
+        VIRT="KVM"
+    elif [[ "${sys_product}" == *KVM* ]]; then
+        VIRT="KVM"
+    elif [[ "${cname}" == *KVM* ]]; then
+        VIRT="KVM"
+    elif [[ "${cname}" == *QEMU* ]]; then
+        VIRT="KVM"
+    elif [[ "${virtualx}" == *"VMware Virtual Platform"* ]]; then
+        VIRT="VMware"
+    elif [[ "${sys_product}" == *"VMware Virtual Platform"* ]]; then
+        VIRT="VMware"
+    elif [[ "${virtualx}" == *"Parallels Software International"* ]]; then
+        VIRT="Parallels"
+    elif [[ "${virtualx}" == *VirtualBox* ]]; then
+        VIRT="VirtualBox"
+    elif [[ -e /proc/xen ]]; then
+        if grep -q "control_d" "/proc/xen/capabilities" 2>/dev/null; then
+            VIRT="Xen-Dom0"
+        else
+            VIRT="Xen-DomU"
+        fi
+    elif [ -f "/sys/hypervisor/type" ] && grep -q "xen" "/sys/hypervisor/type"; then
+        VIRT="Xen"
+    elif [[ "${sys_manu}" == *"Microsoft Corporation"* ]]; then
+        if [[ "${sys_product}" == *"Virtual Machine"* ]]; then
+            if [[ "${sys_ver}" == *"7.0"* || "${sys_ver}" == *"Hyper-V" ]]; then
+                VIRT="Hyper-V"
+            else
+                VIRT="Microsoft Virtual Machine"
+            fi
+        fi
+    else
+        VIRT="Dedicated"
+    fi
+}
+
 # flags to skip certain performance tests
 unset PREFER_BIN SKIP_FIO SKIP_IPERF SKIP_GEEKBENCH PRINT_HELP REDUCE_NET GEEKBENCH_4 GEEKBENCH_5 DD_FALLBACK IPERF_DL_FAIL JSON JSON_SEND JSON_RESULT JSON_FILE
 GEEKBENCH_5="True" # gb5 test enabled by default
@@ -242,6 +311,8 @@ DISTRO=$(grep 'PRETTY_NAME' /etc/os-release | cut -d '"' -f 2 )
 echo -e "Distro     : $DISTRO"
 KERNEL=$(uname -r)
 echo -e "Kernel     : $KERNEL"
+check_virt
+echo -e "VM Type    : $VIRT"
 
 # Function to get information from IP Address using ip-api.com free API
 function ip_info() {