test: add test scenarios covering distros and the version option

Updates #cleanup

Author: raggi

src/tailscale/install.sh

@@ -33,6 +33,8 @@ install_curl() {
     dnf -y install --refresh --best --nodocs --noplugins --setopt=install_weak_deps=0 curl
   elif type yum > /dev/null 2>/dev/null; then
     yum -y install --noplugins --setopt=install_weak_deps=0 curl
+  elif type apk > /dev/null 2>/dev/null; then
+    apk add curl
   else
     2> echo "Unknown platform, can not automate curl install. curl is required to download tailscale"
     return 1

test/tailscale/scenarios.json

@@ -0,0 +1,22 @@
+{
+    "tailscale_on_ubuntu": {
+        "image": "ubuntu:latest",
+        "features": {
+            "tailscale": {}
+        }
+    },
+    "tailscale_on_alma": {
+        "image": "almalinux:latest",
+        "features": {
+            "tailscale": {}
+        }
+    },
+    "tailscale_version": {
+        "image": "ubuntu:latest",
+        "features": {
+            "tailscale": {
+                "version": "1.80.2"
+            }
+        }
+    }
+}

test/tailscale/tailscale_on_alma.sh

@@ -0,0 +1 @@
+test.sh

test/tailscale/tailscale_on_ubuntu.sh

@@ -0,0 +1 @@
+test.sh

test/tailscale/tailscale_version.sh

@@ -0,0 +1 @@
+test.sh

test/tailscale/test.sh

@@ -5,4 +5,12 @@
 
 set -e
 
-tailscale version --daemon
+source dev-container-features-test-lib
+
+if [[ "$VERSION" == latest ]]; then
+    check "Daemon: " tailscale version --daemon
+else
+    check "$VERSION" tailscale version --daemon
+fi
+
+reportResults