Initial commit

test/ingress-basic.sh

@@ -0,0 +1,114 @@
+#!/bin/sh
+# ----
+# File:        ingress-basic.sh
+# Description: Script to test the ingress services on our cilium deployments
+# Author:      Sergio Talens-Oliag <sto@mixinet.net>
+# Copyright:   (c) 2023 Sergio Talens-Oliag <sto@mixinet.net>
+# ----
+# REF: https://docs.cilium.io/en/latest/network/servicemesh/http/
+# ----
+
+set -e
+
+# Compute WORK_DIR
+SCRIPT="$(readlink -f "$0")"
+SCRIPT_DIR="$(dirname "$SCRIPT")"
+WORK_DIR_RELPATH="."
+WORK_DIR="$(readlink -f "$SCRIPT_DIR/$WORK_DIR_RELPATH")"
+
+# VARIABLES
+NAMESPACE="ingress-basic"
+YAML_DIR="$WORK_DIR/ingress-basic"
+BOOKINFO_YAML="$YAML_DIR/bookinfo.yaml"
+
+create_deployment() {
+  kubectl create ns "$NAMESPACE" || true
+  kubectl apply -n "$NAMESPACE" -f "$BOOKINFO_YAML"
+  kubectl apply -n "$NAMESPACE" -f "$INGRESS_BASIC_YAML"
+}
+
+delete_deployment() {
+  kubectl delete ns "$NAMESPACE"
+}
+
+wait_for_deployments() {
+  for _deployment in productpage-v1 details-v1; do
+    echo "Waiting for '$_deployment' deployment to be ready"
+    kubectl wait -n "$NAMESPACE" deployment "$_deployment" \
+      --for condition=Available=True --timeout=90s
+  done
+}
+
+wait_for_ingress(){
+  printf "Waiting for the ingress to be ready "
+  while true; do
+    INGRESS="$(
+      kubectl get -n "$NAMESPACE" ingress \
+        -o jsonpath="{.items[0].status.loadBalancer.ingress}"
+    )"
+    if [ -z "$INGRESS" ]; then
+      printf "."
+      sleep 1
+    else
+      echo ". OK"
+    break
+    fi
+  done
+}
+
+print_objects() {
+  kubectl get -n "$NAMESPACE" pods
+  kubectl get -n "$NAMESPACE" svc
+  kubectl get -n "$NAMESPACE" ingress
+  kubectl get -n "$INGRESS_NAMESPACE" "$INGRESS_CONTROLLER"
+}
+
+test_ingress() {
+  HTTP_INGRESS="$(
+    kubectl get -n "$INGRESS_NAMESPACE" "$INGRESS_CONTROLLER" \
+      -o jsonpath='{.status.loadBalancer.ingress[0].ip}'
+  )"
+  URL="http://$HTTP_INGRESS/details/1"
+  echo "Testing 'details-v1' service connecting to '$URL'"
+  curl -s --fail "$URL" | jq
+  URL="http://$HTTP_INGRESS/"
+  echo "Testing 'productpage-v1' service connecting to '$URL' (10 first lines)"
+  curl -s --fail "$URL" | head -n 10
+}
+
+usage() {
+  echo "Usage: $0 cilium|nginx create|delete|status|test|wait"
+  exit "$1"
+}
+
+# ----
+# MAIN
+# ----
+
+case "$1" in
+cilium)
+  # We assume that the cilium ingress is shared
+  INGRESS_NAMESPACE="kube-system"
+  INGRESS_CONTROLLER="service/cilium-ingress"
+  INGRESS_BASIC_YAML="$YAML_DIR/ingress-basic-cilium.yaml"
+;;
+nginx)
+  INGRESS_NAMESPACE="ingress-nginx"
+  INGRESS_CONTROLLER="service/ingress-nginx-controller"
+  INGRESS_BASIC_YAML="$YAML_DIR/ingress-basic-nginx.yaml"
+;;
+"") usage 0;;
+*) usage 1;;
+esac
+
+case "$2" in
+create) create_deployment;;
+delete) delete_deployment;;
+status) print_objects;;
+test) test_ingress;;
+wait) wait_for_deployments && wait_for_ingress;;
+*) usage 1;;
+esac
+
+# ----
+# vim: ts=2:sw=2:et:ai:sts=2