Add SLES Support

Author: MartyEwings

metadata.json

@@ -58,6 +58,12 @@
         "18.04",
         "20.04"
       ]
+    },
+    {
+      "operatingsystem": "SLES",
+      "operatingsystemrelease": [
+        "12"
+      ]
     }
   ],
   "requirements": [

tasks/precheck.sh

@@ -1,13 +1,19 @@
 #!/bin/bash
 
 hostname=$(hostname -f)
-osfamily=$(cat /etc/os-release | grep -qi ubuntu && echo "ubuntu" || echo "el")
 version=$(grep VERSION_ID /etc/os-release | cut -d '"' -f 2)
 arch=$(uname -m)
+if grep -qi ubuntu /etc/os-release; then
+  osfamily="ubuntu"
+elif grep -qi sles /etc/os-release; then
+  osfamily="sles"
+else
+  osfamily="el"
+fi
 
 # OS-specific modifications
 [ "$osfamily" = "ubuntu" -a "$arch" = "x86_64" ] && arch="amd64"
-[ "$osfamily" = "el" ] && version=$(echo "$version" | cut -d . -f 1)
+[ "$osfamily" = "el"  ] || [ "$osfamily" = "sles"  ]  && version=$(echo "$version" | cut -d . -f 1)
 
 # Output a JSON result for ease of Task usage in Puppet Task Plans
 cat <<EOS