automate chart release

Author: Alix Cook

.circleci/config.yml

@@ -12,6 +12,8 @@ jobs:
     - job-chart
   "aes-chart-publish":
     executor: aes-linux
+    environment:
+      PUBLISH_GIT_RELEASE: "true"
     steps:
     - job-chart-publish
   "aes-manifest-publish":

.circleci/config.yml.d/amb_aes.yml

@@ -13,6 +13,8 @@ jobs:
 
   "aes-chart-publish":
     executor: aes-linux
+    environment:
+      PUBLISH_GIT_RELEASE: "true"
     steps:
       - job-chart-publish
 

charts/edge-stack/RELEASE.tpl

@@ -0,0 +1,8 @@
+## :tada: Ambassador Edge Stack Chart $CHART_VERSION :tada:
+
+Upgrade Edge Stack - https://www.getambassador.io/reference/upgrading#helm.html
+View changelog - https://github.com/emissary-ingress/edge-stack/blob/$CHART_VERSION/charts/edge-stack/CHANGELOG.md
+
+---
+
+

charts/edge-stack/RELEASE_TITLE.tpl

@@ -0,0 +1 @@
+Ambassador Edge Stack Chart $CHART_VERSION

charts/scripts/push_chart.sh

@@ -75,3 +75,53 @@ done
 info "Cleaning up..."
 echo
 rm ${chart_dir}/tmp.yaml "$CHART_PACKAGE"
+
+if [[ $thisversion =~ ^[0-9]+\.[0-9]+\.[0-9]+(-ea)?$ ]] && [[ -n "${PUBLISH_GIT_RELEASE}" ]]; then
+    if [[ -z "${CIRCLE_SHA1}" ]] ; then
+        echo "CIRCLE_SHA1 not set"
+        exit 1
+    fi
+    if [[ -z "${GH_RELEASE_TOKEN}" ]] ; then
+        echo "GH_RELEASE_TOKEN not set"
+        exit 1
+    fi
+    tag="chart-v${thisversion}"
+    export CHART_VERSION=${thisversion}
+    title=`envsubst < ${chart_dir}/RELEASE_TITLE.tpl`
+    repo_full_name="datawire/edge-stack"
+    token="${GH_RELEASE_TOKEN}"
+    description=`envsubst < ${chart_dir}/RELEASE.tpl | awk '{printf "%s\\\n", $0}'`
+    in_changelog=false
+    while IFS= read -r line ; do
+        if ${in_changelog} ; then
+            if [[ "${line}" =~ "## v" ]] ; then
+                break
+            fi
+            if [[ -n "${line}" ]] ; then
+                description="${description}\\n${line}"
+            fi
+        fi
+        if [[ "${line}" =~ "## v${chart_version}" ]] ; then
+            in_changelog=true
+        fi
+
+    done < ${chart_dir}/CHANGELOG.md
+
+    generate_post_data()
+    {
+        cat <<EOF
+{
+  "tag_name": "$tag",
+  "name": "$title",
+  "body": "${description}",
+  "draft": false,
+  "prerelease": false,
+  "target_commitish": "${CIRCLE_SHA1}"
+}
+EOF
+    }
+    curl --fail -H "Authorization: token ${token}" --data "$(generate_post_data)" "https://api.github.com/repos/$repo_full_name/releases"
+fi
+
+exit 0
+