Show logs after popper check failure

[skip ci]

popper/_check/check.py

@@ -40,7 +40,7 @@ def execute(stage, timeout):
     return p.poll()
 
 
-def check_pipeline(skip, timeout):
+def check_pipeline(skip, timeout, exit_on_fail=True, show_logs_on_fail=True):
     check_output('rm -rf popper_logs/ popper_status', shell=True)
     check_output('mkdir -p popper_logs/', shell=True)
 
@@ -57,8 +57,13 @@ def check_pipeline(skip, timeout):
         ecode = execute(stage, timeout)
 
         if ecode != 0:
-            print("Stage {} failed. Check logs for details.".format(stage))
+            print("Stage {} failed.".format(stage))
             STATUS = "FAIL"
+            if show_logs_on_fail:
+                print("Logs for {}:.".format(stage))
+                for t in ['.err', '.out']:
+                    with open('popper_logs/{}{}'.format(stage, t), 'r') as f:
+                        print(f.read())
             break
 
         if stage == 'validate.sh':
@@ -76,6 +81,9 @@ def check_pipeline(skip, timeout):
 
     print('status: ' + STATUS)
 
+    if STATUS == 'FAIL' and exit_on_fail:
+        sys.exit(1)
+
 
 class Unbuffered(object):
     def __init__(self, stream):

popper/ci.go

@@ -10,17 +10,9 @@ import (
 
 var travisYaml = `---
 language: python
-
-python:
-- '2.7'
-
-services:
-- docker
-
-install:
-- curl -O https://raw.githubusercontent.com/systemslab/popper/master/popper/_check/check.py
-- chmod 755 check.py
-
+python: 2.7
+services: docker
+install: curl -O https://raw.githubusercontent.com/systemslab/popper/master/popper/_check/check.py && chmod 755 check.py
 script: ./check.py
 `