From cdfdc76868650771de6276d3da707a9c299dbdd4 Mon Sep 17 00:00:00 2001
From: Daniel Blair <daniel.blair@digital.cabinet-office.gov.uk>
Date: Mon, 20 Aug 2018 15:01:10 +0100
Subject: [PATCH] Adds flower to backdrop.

---
 etc/deploy.sh     |  1 +
 etc/run_flower.sh | 13 +++++++++++++
 manifest.yml      |  9 +++++++++
 requirements.txt  |  1 +
 4 files changed, 24 insertions(+)
 create mode 100755 etc/run_flower.sh

diff --git a/etc/deploy.sh b/etc/deploy.sh
index 7eeae60b..82d85258 100644
--- a/etc/deploy.sh
+++ b/etc/deploy.sh
@@ -40,3 +40,4 @@ cf push -f manifest.yml
 # create and map routes
 cf map-route performance-platform-backdrop-read cloudapps.digital --hostname performance-platform-backdrop-read-$PAAS_SPACE
 cf map-route performance-platform-backdrop-write cloudapps.digital --hostname performance-platform-backdrop-write-$PAAS_SPACE
+cf map-route performance-platform-backdrop-flower cloudapps.digital --hostname performance-platform-backdrop-flower-$PAAS_SPACE
diff --git a/etc/run_flower.sh b/etc/run_flower.sh
new file mode 100755
index 00000000..3b187457
--- /dev/null
+++ b/etc/run_flower.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -ueo pipefail
+
+: "${VCAP_SERVICES:?Expecting VCAP_SERVICES to be set!}"
+: "${REDIS_DATABASE_NUMBER:?Expecting REDIS_DATABASE_NUMBER to be set!}"
+: "${PORT:?Expecting PORT to be set!}"
+: "${FLOWER_BASIC_AUTH:?Expecting FLOWER_BASIC_AUTH to be set!}"
+
+export FLOWER_BROKER_API="$(echo ${VCAP_SERVICES} | jq -r '.["redis"][] | select(.name == "redis") | .credentials.uri')/${REDIS_DATABASE_NUMBER}"
+export FLOWER_PORT=${PORT}
+
+flower --broker="${FLOWER_BROKER_API}" -A backdrop.transformers.worker
diff --git a/manifest.yml b/manifest.yml
index 994e2660..6f7c80ec 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -28,3 +28,12 @@ applications:
     env:
       BACKDROP_BROKER_SSL_CERT_REQS: CERT_NONE
       CELERY_CONFIG_MODULE: backdrop.celeryconfig
+
+  - name: performance-platform-backdrop-flower
+    <<: *defaults
+    command: etc/run_flower.sh
+    memory: 1G
+    env:
+      DISABLE_COLLECTSTATIC: 1
+      BACKDROP_BROKER_SSL_CERT_REQS: CERT_NONE
+      CELERY_CONFIG_MODULE: backdrop.celeryconfig
diff --git a/requirements.txt b/requirements.txt
index e2c8eb9f..8d4f112d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,3 +19,4 @@ xlrd==0.9.3
 logstash_formatter==0.5.7
 Werkzeug==0.12.2
 redis==2.10.6
+flower==0.9.2