From fa920eb9cfe743769fb1412e7a8128808d7fde5b Mon Sep 17 00:00:00 2001
From: Martin Mahner <martin@mahner.org>
Date: Thu, 2 Jun 2011 20:34:41 +0200
Subject: [PATCH] Better fabfile

---
 fabfile.py | 98 +++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 64 insertions(+), 34 deletions(-)

diff --git a/fabfile.py b/fabfile.py
index e85ce1a..87b4cb5 100644
--- a/fabfile.py
+++ b/fabfile.py
@@ -1,66 +1,97 @@
 from fabric.api import env, local, run, require, cd
 from fabric.operations import _prefix_commands, _prefix_env_vars
 
+# Host
 env.disable_known_hosts = True # always fails for me without this
-env.hosts = ['pastebin.dev.lincolnloop.com']
-env.root = '/opt/webapps/pastebin'
-env.proj_root = env.root + '/src/pastebin'
-env.proj_repo = 'git@github.com:myuser/myrepo.git'
+env.user = 'root'
+env.hosts = ['dpaste.de']
+env.proj_repo = 'git@github.com:bartTC/dpaste.de.git'
+
+# Paths
+env.root = '/opt/webapps/dpaste.de'
+env.proj_root = env.root + '/src/dpastede'
+env.pid_file = env.root + '/var/gunicorn.pid'
+env.proj_bin = env.proj_root + '/pastebin/bin'
+env.local_settings = env.proj_root + '/pastebin/conf/local/settings.py'
 env.pip_file = env.proj_root + '/requirements.pip'
 
+# ============================================================================
+# Git
+# ============================================================================
 
-def deploy():
-    """Update source, update pip requirements, syncdb, restart server"""
-    update()
-    update_reqs()
-    syncdb()
-    restart()
-
+def push(remote=None, branch=None, reload=False):
+    """Pushes the local git repo to the given remote and branch. Then pulls it
+    o n the server."""
+    remote = remote or 'origin'
+    branch = branch or 'master'
+    local('git push %s %s' % (remote, branch))
+    with cd(env.proj_root):
+        ve_run('git pull %s %s' % (remote, branch))
+    if reload:
+        restart()
 
+def pushr(remote=None, branch=None, reload=True):
+    push(remote, branch, reload)
+    
 def switch(branch):
     """Switch the repo branch which the server is using"""
     with cd(env.proj_root):
         ve_run('git checkout %s' % branch)
     restart()
 
-
 def version():
     """Show last commit to repo on server"""
     with cd(env.proj_root):
         sshagent_run('git log -1')
 
+# ============================================================================
+# Server
+# ============================================================================
 
 def restart():
-    """Restart Apache process"""
-    run('touch %s/etc/apache/django.wsgi' % env.root)
+    """Kill the gunicorn process, Cherokee will start it upon request"""
+    ve_run('kill `cat %s`' % env.pid_file)
 
+def flush():
+    """Flush memcache"""
+    sshagent_run('/etc/init.d/memcached restart')
+    
+# ============================================================================
+# Django
+# ============================================================================
 
 def update_reqs():
     """Update pip requirements"""
     ve_run('yes w | pip install -r %s' % env.pip_file)
 
+def collect():
+    manage('collectstatic --noinput')
 
-def update():
-    """Updates project source"""
-    with cd(env.proj_root):
-        sshagent_run('git pull')
+def update(extreme=False):
+    push()
+    if extreme:
+        update_reqs()
+    collect()
+    if extreme:
+        flush()
+    restart()
 
-
-def syncdb():
-    """Run syncdb (along with any pending south migrations)"""
-    ve_run('manage.py syncdb --migrate')
-
-
-def clone():
-    """Clone the repository for the first time"""
-    with cd('%s/src' % env.root):
-        sshagent_run('git clone %s' % env.proj_repo)
-    ve_run('pip install -e %s' % env.proj_root)
+def debugon():
+    """Turn debug mode on for the production server."""
+    run("sed -i -e 's/^DEBUG = .*/DEBUG = True/' %s" % env.local_settings)
+    restart()
     
-    with cd('%s/pastebin/conf/local' % env.proj_root):
-        run('ln -s ../dev/__init__.py')
-        run('ln -s ../dev/settings.py')
+def debugoff():
+    """Turn debug mode on for the production server."""
+    run("sed -i -e 's/^DEBUG = .*/DEBUG = False/' %s" % env.local_settings)
+    restart()
 
+# ============================================================================
+# SSH funcs
+# ============================================================================
+
+def manage(cmd):
+    return ve_run('python %s/manage.py %s' % (env.proj_bin, cmd))
 
 def ve_run(cmd):
     """
@@ -70,7 +101,6 @@ def ve_run(cmd):
     require('root')
     return sshagent_run('source %s/bin/activate; %s' % (env.root, cmd))
 
-
 def sshagent_run(cmd):
     """
     Helper function.
@@ -89,4 +119,4 @@ def sshagent_run(cmd):
     except ValueError:
         return local(
             "ssh -A %s@%s '%s'" % (env.user, env.host_string, wrapped_cmd)
-        )
+        )
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