External Metrics w/E2E testing, prometheus, & KIND.

vertical-pod-autoscaler/e2e/go.sum

@@ -165,6 +165,7 @@ github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDD
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153 h1:yUdfgN0XgIJw7foRItutHYUIhlcKzcSf5vDpdhQAKTc=
+github.com/emicklei/go-restful/v3 v3.5.1/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
 github.com/emicklei/go-restful/v3 v3.10.1 h1:rc42Y5YTp7Am7CS630D7JmhRjq4UlEUuEKfrDac4bSQ=
 github.com/emicklei/go-restful/v3 v3.10.1/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=

vertical-pod-autoscaler/hack/deploy-for-e2e-locally.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+# Copyright 2023 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
+
+function print_help {
+  echo "ERROR! Usage: deploy-for-e2e-locally.sh [suite]*"
+  echo "<suite> should be one of:"
+  echo " - recommender"
+  echo " - recommender-externalmetrics"
+  echo "If component is not specified all above will be started."
+}
+
+if [ $# -eq 0 ]; then
+  print_help
+  exit 1
+fi
+
+if [ $# -gt 1 ]; then
+  print_help
+  exit 1
+fi
+
+SUITE=$1
+
+case ${SUITE} in
+  recommender|recommender-externalmetrics)
+    COMPONENTS="${SUITE}"
+    ;;
+  *)
+    print_help
+    exit 1
+    ;;
+esac
+
+# Local KIND-hosted registry
+export REGISTRY=localhost:5001
+export TAG=latest
+
+rm -f ${SCRIPT_ROOT}/hack/e2e/vpa-rbac.yaml
+patch -c ${SCRIPT_ROOT}/deploy/vpa-rbac.yaml -i ${SCRIPT_ROOT}/hack/e2e/vpa-rbac.diff -o ${SCRIPT_ROOT}/hack/e2e/vpa-rbac.yaml
+kubectl apply -f ${SCRIPT_ROOT}/hack/e2e/vpa-rbac.yaml
+# Other-versioned CRDs are irrelevant as we're running a modern-ish cluster.
+kubectl apply -f ${SCRIPT_ROOT}/deploy/vpa-v1-crd-gen.yaml
+kubectl apply -f ${SCRIPT_ROOT}/hack/e2e/k8s-metrics-server.yaml
+
+for i in ${COMPONENTS}; do
+  if [ $i == admission-controller ] ; then
+    (cd ${SCRIPT_ROOT}/pkg/${i} && bash ./gencerts.sh || true)
+  elif [ $i == recommender-externalmetrics ] ; then
+    i=recommender
+  fi
+  ALL_ARCHITECTURES=amd64 make --directory ${SCRIPT_ROOT}/pkg/${i} release REGISTRY=${REGISTRY} TAG=${TAG}
+  kind load docker-image ${REGISTRY}/vpa-${i}-amd64:${TAG}
+done
+
+
+for i in ${COMPONENTS}; do
+  if [ $i == recommender-externalmetrics ] ; then
+     kubectl delete namespace monitoring --ignore-not-found=true
+     kubectl create namespace monitoring
+     kubectl apply -f ${SCRIPT_ROOT}/hack/e2e/prometheus.yaml
+     kubectl apply -f ${SCRIPT_ROOT}/hack/e2e/prometheus-adapter.yaml
+     kubectl apply -f ${SCRIPT_ROOT}/hack/e2e/metrics-pump.yaml
+     kubectl apply -f ${SCRIPT_ROOT}/hack/e2e/${i}-deployment.yaml
+  else
+     REGISTRY=${REGISTRY} TAG=${TAG} ${SCRIPT_ROOT}/hack/vpa-process-yaml.sh  ${SCRIPT_ROOT}/deploy/${i}-deployment.yaml | kubectl apply -f -
+  fi
+done

vertical-pod-autoscaler/hack/e2e/Dockerfile.externalmetrics-writer

@@ -0,0 +1,18 @@
+# Copyright 2023 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM python:3.10-slim
+RUN pip3 install kubernetes argparse requests
+
+COPY emit-metrics.py /