From 6de4e3ce3345815c6a3d9181b25584ee16a00e20 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Ninivin?= <cedric.leninivin@tiolive.com>
Date: Tue, 28 Feb 2017 17:54:19 +0100
Subject: [PATCH] software.apache-frontend: Add promise on cache availability
---
software/apache-frontend/common.cfg | 2 +-
.../instance-apache-frontend.cfg | 22 +++++++++++++++++++
2 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/software/apache-frontend/common.cfg b/software/apache-frontend/common.cfg
index e56c3e4f4..a82b37313 100644
--- a/software/apache-frontend/common.cfg
+++ b/software/apache-frontend/common.cfg
@@ -56,7 +56,7 @@ mode = 0644
[template-apache-frontend]
recipe = slapos.recipe.template
url = ${:_profile_base_location_}/instance-apache-frontend.cfg
-md5sum = c86c435136f6b910b3dd7dcb84a789a2
+md5sum = 0ca52aa73c2547499b2f62fc72288f45
output = ${buildout:directory}/template-apache-frontend.cfg
mode = 0644
diff --git a/software/apache-frontend/instance-apache-frontend.cfg b/software/apache-frontend/instance-apache-frontend.cfg
index c6e60e52b..735d860fa 100644
--- a/software/apache-frontend/instance-apache-frontend.cfg
+++ b/software/apache-frontend/instance-apache-frontend.cfg
@@ -37,6 +37,7 @@ parts =
trafficserver-plugin-config
trafficserver-storage-config
trafficserver-promise-listen-port
+ trafficserver-promise-cache-availability
## Nginx
nginx-frontend
@@ -463,6 +464,27 @@ path = $${directory:promise}/trafficserver-port-listening
hostname = $${trafficserver-variable:local-ip}
port = $${trafficserver-variable:input-port}
+[trafficserver-line]
+recipe = slapos.cookbook:wrapper
+command-line = ${trafficserver:location}/bin/traffic_line
+wrapper-path = $${directory:bin}/traffic_line
+environment = TS_ROOT=$${buildout:directory}
+parameters-extra = true
+
+[trafficserver-promise-cache-availability]
+recipe = collective.recipe.template
+input =
+ inline:#!${buildout:executable}
+ import subprocess
+ import sys
+ traffic_line = "$${trafficserver-line:wrapper-path}"
+ result = float(subprocess.check_output([traffic_line, '-r', 'proxy.node.cache.percent_free' ]))
+ if result != 0: sys.exit(0)
+ sys.stderr.write("Cache not available, availability: %s" % result)
+ sys.exit(127)
+output = $${directory:promise}/trafficserver-cache-availability
+mode = 700
+
### End of ATS sections
### Apaches Graceful and promises
--
2.30.9