Grab charts and create helm repository (#2616)

(cherry picked from commit d23fbe9488)

scripts/grab_charts.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+# This script generates and copies helm charts within the helm tree of this repo.
+
+# Initial setup
+ISTIO_BASE=$(cd "$(dirname "$0")/.." ; pwd -P)
+CHARTS_TARGET_DIR=${ISTIO_BASE}/static/charts
+WORK_DIR=$(mktemp -d)
+HELM_DIR=$(mktemp -d)
+
+echo WORK_DIR = $WORK_DIR
+echo HELM_DIR = $HELM_DIR
+echo CHARTS_TARGET_DIR = $CHARTS_TARGET_DIR
+
+# Helm setup
+HELM_BUILD_DIR=${HELM_DIR}/istio-repository
+HELM_IMAGE=linkyard/docker-helm:2.10.0
+HELM="docker run -t -i --user $UID --rm -v ${HELM_DIR}:${HELM_DIR} -v ${WORK_DIR}:${WORK_DIR} -w $WORK_DIR $HELM_IMAGE --home $HELM_DIR"
+# If you don't have or can't run docker, uncomment the following line
+#HELM="helm --home $HELM_DIR"
+
+# The repos to mine for charts, just add new entries here to pull in more repos.
+REPOS=(
+    https://github.com/istio/istio.git@master
+)
+
+# Charts to extract from repos
+CHARTS=(
+  ${WORK_DIR}/istio/install/kubernetes/helm/istio
+  ${WORK_DIR}/istio/install/kubernetes/helm/istio-remote
+)
+
+# Prepare the work directory by cloning all the repos into it.
+mkdir -vp $WORK_DIR
+pushd $WORK_DIR
+for repo in "${REPOS[@]}"
+do
+    REPO_URL=$(echo $repo | cut -d @ -f 1)
+    REPO_BRANCH=$(echo $repo | cut -d @ -f 2)
+
+    git clone -b $REPO_BRANCH $REPO_URL
+done
+popd
+
+# Prepare helm setup
+mkdir -vp $HELM_DIR
+$HELM init --client-only
+
+# Create a package for each charts and build the repo index.
+mkdir -vp $HELM_BUILD_DIR
+for CHART_PATH in "${CHARTS[@]}"
+do
+    $HELM package $CHART_PATH -d $HELM_BUILD_DIR
+done
+$HELM repo index $HELM_BUILD_DIR
+
+# Copy the new built helm repo to the target dir.
+mkdir -vp $CHARTS_TARGET_DIR
+cp -vr ${HELM_BUILD_DIR}/* $CHARTS_TARGET_DIR
+
+# Do the cleanup.
+rm -fr ${HELM_DIR}
+rm -fr ${WORK_DIR}

static/charts/index.yaml

@@ -0,0 +1,43 @@
+apiVersion: v1
+entries:
+  istio:
+  - apiVersion: v1
+    appVersion: 1.1.0
+    created: 2018-09-14T18:54:56.38453262+02:00
+    description: Helm chart for all istio components
+    digest: cfe68ecfe33b2a1732b0d3c03affdc59615c676ee63cdf4e48765ec17775eba0
+    engine: gotpl
+    icon: https://istio.io/favicons/android-192x192.png
+    keywords:
+    - istio
+    - security
+    - sidecarInjectorWebhook
+    - mixer
+    - pilot
+    - galley
+    name: istio
+    sources:
+    - http://github.com/istio/istio
+    tillerVersion: '>=2.7.2-0'
+    urls:
+    - istio-1.1.0.tgz
+    version: 1.1.0
+  istio-remote:
+  - apiVersion: v1
+    appVersion: 1.1.0
+    created: 2018-09-14T18:54:56.385384687+02:00
+    description: Helm chart needed for remote Kubernetes clusters to join the main
+      Istio control plane
+    digest: 32a1b0a71a2f66a95042c9e4d764490a97809195f0ae3f29956b0fc2b7eaad2f
+    engine: gotpl
+    icon: https://istio.io/favicons/android-192x192.png
+    keywords:
+    - remote
+    name: istio-remote
+    sources:
+    - http://github.com/istio/istio
+    tillerVersion: '>=2.7.2'
+    urls:
+    - istio-remote-1.1.0.tgz
+    version: 1.1.0
+generated: 2018-09-14T18:54:56.381029453+02:00