Update supported versions of Puppet and OS versions (#5)

Author: EdgeJ

metadata.json

@@ -14,8 +14,8 @@
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
-        "6",
-        "7"
+        "7",
+        "8"
       ]
     },
     {
@@ -28,8 +28,8 @@
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "6",
-        "7"
+        "7",
+        "8"
       ]
     },
     {
@@ -48,15 +48,14 @@
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "14.04",
-        "16.04",
-        "18.04"
+        "18.04",
+        "20.04"
       ]
     },
     {
       "operatingsystem": "Fedora",
       "operatingsystemrelease": [
-        "25"
+        "37"
       ]
     },
     {
@@ -81,7 +80,7 @@
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 4.7.0 < 7.0.0"
+      "version_requirement": ">= 4.7.0 < 8.0.0"
     }
   ],
   "pdk-version": "1.8.0",

spec/acceptance/nodesets/default.yml

@@ -1,27 +1,15 @@
 ---
-
 HOSTS:
-  centos-7-x64:
-    platform: el-7-x86_64
-    image: centos:7
+  ubuntu-1804-x64:
+    platform: ubuntu-18.04-amd64
     hypervisor: docker
+    image: ubuntu:18.04
     docker_preserve_image: true
-    docker_cmd: '["/usr/sbin/init"]'
-  ubuntu-1404-x64:
-    platform: ubuntu-14.04-amd64
+  ubuntu-2004-x64:
+    platform: ubuntu-20.04-amd64
     hypervisor: docker
-    image: ubuntu:14.04
+    image: ubuntu:20.04
     docker_preserve_image: true
-    docker_cmd: '["/sbin/init"]'
-    docker_image_commands:
-      # ensure that upstart is booting correctly in the container
-      - >
-        rm /usr/sbin/policy-rc.d &&
-        rm /sbin/initctl &&
-        dpkg-divert --rename --remove /sbin/initctl &&
-        apt-get update &&
-        apt-get install -y net-tools wget &&
-        locale-gen en_US.UTF-8
 CONFIG:
   type: foss
   trace_limit: 200

spec/acceptance/nodesets/ubuntu-1404-x64.yml

@@ -25,7 +25,7 @@
   end
 
   it 'accepts filemode' do
-    expect(resource[:mode]).to eq('770')
+    expect(resource[:mode]).to eq('0770')
   end
 
   it 'expects a name' do