tests/e2e: add test for loadbalancer

tests/test_loadbalancer.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+CURR_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+[ -d "$CURR_DIR" ] || { echo "FATAL: no current dir (maybe running in zsh?)";  exit 1; }
+
+# shellcheck source=./common.sh
+source "$CURR_DIR/common.sh"
+
+export CURRENT_STAGE="Test | Loadbalancer"
+
+highlight "[START] LoadbalancerTest $EXTRA_TITLE"
+
+function check_container_port() {
+  # $1 = container name
+  # $2 = wanted port
+  exists=$(docker inspect "$1" --format '{{ range $k, $_ := .NetworkSettings.Ports }}{{ if eq $k "'"$2"'" }}true{{ end }}{{ end }}')
+  if [[ $exists == "true" ]]; then
+    return 0
+  else
+    docker inspect "$1" --format '{{ range $k, $_ := .NetworkSettings.Ports }}{{ printf "%s\n" $k }}{{ end }}'
+    return 1
+  fi
+}
+
+clustername="lbtest"
+
+info "Creating cluster $clustername..."
+$EXE cluster create $clustername --timeout 360s --agents 1 -p 8080:80@server:0:proxy -p 1234:4321/tcp@agent:0:direct || failed "could not create cluster $clustername"
+
+info "Checking we have access to the cluster..."
+check_clusters "$clustername" || failed "error checking cluster"
+
+info "Checking Container Ports..."
+check_container_port k3d-$clustername-serverlb "6443/tcp" || failed "6443/tcp not on serverlb"
+check_container_port k3d-$clustername-serverlb "80/tcp" || failed "80/tcp not on serverlb"
+check_container_port k3d-$clustername-agent-0 "4321/tcp" || failed "4321/tcp not on agent-0"
+
+info "Checking Loadbalancer Config..."
+$EXE debug loadbalancer get-config $clustername | grep -A1 "80.tcp" | grep "k3d-$clustername-server-0" || failed "port 80.tcp not configured for server-0"
+
+info "Deleting clusters..."
+$EXE cluster delete $clustername || failed "could not delete the cluster $clustername"
+
+exit 0
+
+