Merge lp:~axino/mojo/mojo-specs into lp:mojo/mojo-specs

[Junien F]

squid-reverseproxy : add test

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[Tom Haddon (mthaddon)]

LGTM

review: Approve

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision 104

=== modified file 'charm-testing/squid-reverseproxy/collect'
--- charm-testing/squid-reverseproxy/collect	2018-04-13 11:24:35 +0000
+++ charm-testing/squid-reverseproxy/collect	2018-04-20 15:32:56 +0000
@@ -1,5 +1,6 @@
 squid-reverseproxy                      lp:~canonical-sysadmins/canonical-is-charms/squid-reverseproxy
 nrpe                                    cs:{{ series }}/nrpe
+apache2                                 cs:apache2
 
 squid-reverseproxy/exec.d               @
 squid-reverseproxy/exec.d/basenode      lp:~canonical-sysadmins/basenode/trunk
 
=== modified file 'charm-testing/squid-reverseproxy/deploy'
--- charm-testing/squid-reverseproxy/deploy	2018-04-13 11:24:35 +0000
+++ charm-testing/squid-reverseproxy/deploy	2018-04-20 15:32:56 +0000
@@ -3,8 +3,11 @@
     services:
         squid-reverseproxy:
             charm: squid-reverseproxy
+            expose: True
             options:
                 cache_dir: /var/spool/squid
+        apache2:
+            charm: apache2
         nrpe:
             charm: nrpe
             {% if series == "xenial" or series == "bionic" %}options:
@@ -12,3 +15,5 @@
                 swap: '-w 90% -c 75% -n ok'{% endif %}
     relations:
         - ['squid-reverseproxy', 'nrpe:nrpe-external-master']
+        - ['apache2', 'nrpe:nrpe-external-master']
+        - ['apache2:website', 'squid-reverseproxy']
 
=== added file 'charm-testing/squid-reverseproxy/post-deploy'
--- charm-testing/squid-reverseproxy/post-deploy	1970-01-01 00:00:00 +0000
+++ charm-testing/squid-reverseproxy/post-deploy	2018-04-20 15:32:56 +0000
@@ -0,0 +1,38 @@
+#!/usr/bin/python3
+
+import subprocess
+import sys
+from time import sleep
+import urllib.request
+import yaml
+
+relation_set = ("relation-set -r website:2 services=\"["
+                "{{'url': 'http://{apache2}:80',"
+                "'proxy': [{{'proxy_target': 'http://{apache2}:80',"
+                            "'match': 'http://{apache2}:3128'}}]}}]\"")
+
+status = yaml.safe_load(subprocess.check_output(['juju', 'status', '--format', 'yaml']))
+squid_ip = status['applications']['squid-reverseproxy']['units']['squid-reverseproxy/0']['public-address']
+apache2_ip = status['applications']['apache2']['units']['apache2/0']['public-address']
+print("Sending relation data...")
+subprocess.check_call(['juju', 'run', '--unit', 'apache2/0',
+                       relation_set.format(apache2=apache2_ip, squid=squid_ip)])
+
+print("Sleeping 60s to wait for hook completion...")
+sleep(60)
+
+print("Testing the cache...")
+req = urllib.request.Request('http://{}:3128'.format(squid_ip), headers={'Host': apache2_ip})
+
+# First request to warm the cache
+urllib.request.urlopen(req)
+
+# Second to hit the cache
+res = urllib.request.urlopen(req)
+
+if res.getcode() == 200 and res.info()['X-Cache'][0:3] == "HIT":
+    print("SUCCESS : cache hit")
+    sys.exit(0)
+else:
+    print("ERROR : not 200 or no cache hit")
+    sys.exit(1)