Add tests for DNS

default.nix

@@ -170,6 +170,7 @@ in rec {
       pkgs.busybox
       pkgs.yq-go
       pkgs.jq
+      pkgs.dig
     ]}
     export SHELL=${pkgs.bash}/bin/bash
     exec ${pkgs.bash}/bin/bash ${./tests}/entrypoint.sh "$@"

tests.sh

@@ -8,8 +8,9 @@ this_user="$(whoami)"
 echo "Requesting sudo in order to set thread capabilities, will drop back down to user '$this_user' immediately"
 
 sudo -E capsh \
-    --caps="cap_net_admin+eip cap_setpcap,cap_setuid,cap_setgid+ep" \
+    --caps="cap_net_admin,cap_net_bind_service+eip cap_setpcap,cap_setuid,cap_setgid+ep" \
     --keep=1 \
     --user="$this_user" \
     --addamb=cap_net_admin \
+    --addamb=cap_net_bind_service \
     -- "$entrypoint" "$@"

tests/NOTES.txt

@@ -0,0 +1,3 @@
+Ctrl+A X -> exits
+
+qemu-system-aarch64 -M virt -nographic -cdrom tests/alpine-virt-3.17.3-aarch64.iso

tests/cases/dnsmasq/00-hosts.sh

@@ -0,0 +1,20 @@
+# shellcheck source=../../utils/with-1-data-1-empty-node-cluster.sh
+source "$UTILS"/with-1-data-1-empty-node-cluster.sh
+
+function assert_a {
+    want_ip="$1"
+    hostname="$2"
+    r="$(dig @"$current_ip" +noall +answer "$hostname")"
+    echo "$r" | grep -q "$want_ip"
+}
+
+as_primus
+assert_a "$primus_ip" primus.hosts.shared.test
+
+# TODO This doesn't work at present, there would need to be some mechanism to
+# block the test until secondus' bootstrap info can propagate to primus.
+#assert_a "$secondus_ip" secondus.hosts.shared.test
+
+as_secondus
+assert_a "$primus_ip" primus.hosts.shared.test
+assert_a "$secondus_ip" secondus.hosts.shared.test

tests/utils/with-1-data-1-empty-node-cluster.sh

@@ -1,14 +1,20 @@
 set -e
 
 base="shared/1-data-1-empty"
+
 primus_base="$base/primus"
+primus_ip="10.6.9.1"
+
 secondus_base="$base/secondus"
+secondus_ip="10.6.9.2"
 
 function as_primus {
+    current_ip="$primus_ip"
     eval "$($SHELL "$UTILS/shared-daemon-env.sh" "$primus_base")"
 }
 
 function as_secondus {
+    current_ip="$secondus_ip"
     eval "$($SHELL "$UTILS/shared-daemon-env.sh" "$secondus_base")"
 }
 
@@ -48,7 +54,7 @@ EOF
         --config-path daemon.yml \
         --domain      shared.test \
         --hostname    primus \
-        --ip-net      "10.6.9.1/24" \
+        --ip-net      "$current_ip/24" \
         --name        "testing" \
         > admin.yml
 
@@ -64,7 +70,7 @@ EOF
     isle admin create-bootstrap \
         --admin-path admin.yml \
         --hostname secondus \
-        --ip 10.6.9.2 \
+        --ip "$secondus_ip" \
         > "$secondus_bootstrap"
 
     (