[jira] [Commented] (AIRFLOW-878) FileNotFoundError: 'gunicorn' after initial setup

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16723493#comment-16723493 ] 

ASF GitHub Bot commented on AIRFLOW-878:
----------------------------------------

stale[bot] closed pull request #3134: [AIRFLOW-878] Use absolute gunicorn executable location
URL: https://github.com/apache/incubator-airflow/pull/3134
 
 
   

This is a PR merged from a forked repository.
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diff --git a/airflow/bin/cli.py b/airflow/bin/cli.py
index 449d8ca8da..6046569391 100755
--- a/airflow/bin/cli.py
+++ b/airflow/bin/cli.py
@@ -734,8 +734,17 @@ def webserver(args):
                 =================================================================\
             '''.format(**locals())))
 
+        def get_gunicorn_location():
+            location = os.path.join(
+                os.path.dirname(sys.executable), "gunicorn")
+            if os.path.isfile(location) and os.access(location, os.X_OK):
+                return location
+            raise AirflowException("gunicorn could not be found")
+
+        gunicorn_exec = get_gunicorn_location()
+
         run_args = [
-            'gunicorn',
+            gunicorn_exec,
             '-w', str(num_workers),
             '-k', str(args.workerclass),
             '-t', str(worker_timeout),


 

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> FileNotFoundError: 'gunicorn' after initial setup
> -------------------------------------------------
>
>                 Key: AIRFLOW-878
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-878
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: webserver
>            Reporter: Manuel Barkhau
>            Priority: Major
>
> I get the following error after installing airflow and doing {{airflow init}}
> {code}
> $ venv/bin/airflow webserver 
> [2017-02-15 12:24:52,813] {__init__.py:56} INFO - Using executor SequentialExecutor
> [2017-02-15 12:24:52,886] {driver.py:120} INFO - Generating grammar tables from /usr/lib/python3.5/lib2to3/Grammar.txt
> [2017-02-15 12:24:52,904] {driver.py:120} INFO - Generating grammar tables from /usr/lib/python3.5/lib2to3/PatternGrammar.txt
>   ____________       _____________
>  ____    |__( )_________  __/__  /________      __
> ____  /| |_  /__  ___/_  /_ __  /_  __ \_ | /| / /
> ___  ___ |  / _  /   _  __/ _  / / /_/ /_ |/ |/ /
>  _/_/  |_/_/  /_/    /_/    /_/  \____/____/|__/
>  
> /home/mbarkhau/testproject/venv/lib/python3.5/site-packages/flask/exthook.py:71: ExtDeprecationWarning: Importing flask.ext.cache is deprecated, use flask_cache in
> stead.
>   .format(x=modname), ExtDeprecationWarning
> [2017-02-15 12:24:53,145] [11995] {models.py:167} INFO - Filling up the DagBag from /home/mbarkhau/airflow/dags
> Traceback (most recent call last):
>   File "venv/bin/airflow", line 6, in <module>
>     exec(compile(open(__file__).read(), __file__, 'exec'))
>   File "/home/mbarkhau/testproject/venv/src/airflow/airflow/bin/airflow", line 28, in <module>
>     args.func(args)
>   File "/home/mbarkhau/testproject/venv/src/airflow/airflow/bin/cli.py", line 791, in webserver
>     gunicorn_master_proc = subprocess.Popen(run_args)
>   File "/usr/lib/python3.5/subprocess.py", line 947, in __init__
>     restore_signals, start_new_session)
>   File "/usr/lib/python3.5/subprocess.py", line 1551, in _execute_child
>     raise child_exception_type(errno_num, err_msg)
> FileNotFoundError: [Errno 2] No such file or directory: 'gunicorn'
> Running the Gunicorn Server with:
> Workers: 4 sync
> Host: 0.0.0.0:8080
> Timeout: 120
> Logfiles: - -
> =================================================================            
> {code}
> My setup
> {code}
> $ venv/bin/python --version
> Python 3.5.2
> $ venv/bin/pip freeze | grep airflow
> -e git+ssh://git@github.com/apache/incubator-airflow.git@debc69e2787542cd56ab28b6c48db01c65ad05c4#egg=airflow
> $ uname -a
> Linux mbarkhau-office 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
> {code}



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