kopia lustrzana https://github.com/piku/piku
904 wiersze
30 KiB
Python
904 wiersze
30 KiB
Python
#!/usr/bin/env python
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import os, sys, stat, re, shutil, socket
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from click import argument, command, group, option, secho as echo
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from collections import defaultdict, deque
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from datetime import datetime
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from glob import glob
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from hashlib import md5
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from json import loads
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from multiprocessing import cpu_count
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from os.path import abspath, basename, dirname, exists, getmtime, join, realpath, splitext
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from subprocess import call, check_output, STDOUT
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from time import sleep
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from urllib2 import urlopen
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# === Globals - all tweakable settings are here ===
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PIKU_ROOT = os.environ.get('PIKU_ROOT', join(os.environ['HOME'],'.piku'))
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APP_ROOT = abspath(join(PIKU_ROOT, "apps"))
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ENV_ROOT = abspath(join(PIKU_ROOT, "envs"))
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GIT_ROOT = abspath(join(PIKU_ROOT, "repos"))
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LOG_ROOT = abspath(join(PIKU_ROOT, "logs"))
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NGINX_ROOT = abspath(join(PIKU_ROOT, "nginx"))
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UWSGI_AVAILABLE = abspath(join(PIKU_ROOT, "uwsgi-available"))
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UWSGI_ENABLED = abspath(join(PIKU_ROOT, "uwsgi-enabled"))
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UWSGI_ROOT = abspath(join(PIKU_ROOT, "uwsgi"))
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UWSGI_LOG_MAXSIZE = '1048576'
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NGINX_TEMPLATE = """
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upstream $APP {
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server $NGINX_SOCKET;
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}
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server {
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listen [::]:80;
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listen 80;
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listen [::]:$NGINX_SSL;
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listen $NGINX_SSL;
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ssl on;
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ssl_certificate $NGINX_ROOT/$APP.crt;
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ssl_certificate_key $NGINX_ROOT/$APP.key;
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server_name $NGINX_SERVER_NAME;
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# These are not required under systemd - enable for debugging only
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# access_log $LOG_ROOT/$APP/access.log;
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# error_log $LOG_ROOT/$APP/error.log;
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# Enable gzip compression
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gzip on;
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gzip_proxied any;
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gzip_types text/plain text/xml text/css application/x-javascript text/javascript application/xml+rss application/atom+xml;
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gzip_comp_level 7;
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gzip_min_length 2048;
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gzip_vary on;
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gzip_disable "MSIE [1-6]\.(?!.*SV1)";
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# set a custom header for requests
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add_header X-Deployed-By Piku;
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location / {
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uwsgi_pass $APP;
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uwsgi_param QUERY_STRING $query_string;
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uwsgi_param REQUEST_METHOD $request_method;
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uwsgi_param CONTENT_TYPE $content_type;
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uwsgi_param CONTENT_LENGTH $content_length;
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uwsgi_param REQUEST_URI $request_uri;
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uwsgi_param PATH_INFO $document_uri;
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uwsgi_param DOCUMENT_ROOT $document_root;
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uwsgi_param SERVER_PROTOCOL $server_protocol;
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uwsgi_param REMOTE_ADDR $remote_addr;
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uwsgi_param REMOTE_PORT $remote_port;
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uwsgi_param SERVER_ADDR $server_addr;
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uwsgi_param SERVER_PORT $server_port;
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uwsgi_param SERVER_NAME $server_name;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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proxy_set_header Host $http_host;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-For $remote_addr;
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proxy_set_header X-Forwarded-Port $server_port;
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proxy_set_header X-Request-Start $msec;
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$NGINX_ACL
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}
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}
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"""
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# === Utility functions ===
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def sanitize_app_name(app):
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"""Sanitize the app name and build matching path"""
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app = "".join(c for c in app if c.isalnum() or c in ('.','_')).rstrip()
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return app
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def exit_if_invalid(app):
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"""Utility function for error checking upon command startup."""
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app = sanitize_app_name(app)
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if not exists(join(APP_ROOT, app)):
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echo("Error: app '%s' not found." % app, fg='red')
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exit(1)
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return app
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def get_free_port(address=""):
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"""Find a free TCP port (entirely at random)"""
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.bind((address,0))
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port = s.getsockname()[1]
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s.close()
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return port
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def write_config(filename, bag, separator='='):
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"""Helper for writing out config files"""
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with open(filename, 'w') as h:
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for k, v in bag.iteritems():
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h.write('%s%s%s\n' % (k,separator,str(v)))
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def setup_authorized_keys(ssh_fingerprint, script_path, pubkey):
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"""Sets up an authorized_keys file to redirect SSH commands"""
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authorized_keys = join(os.environ['HOME'],'.ssh','authorized_keys')
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if not exists(dirname(authorized_keys)):
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os.makedirs(dirname(authorized_keys))
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# Restrict features and force all SSH commands to go through our script
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with open(authorized_keys, 'a') as h:
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h.write("""command="FINGERPRINT=%(ssh_fingerprint)s NAME=default %(script_path)s $SSH_ORIGINAL_COMMAND",no-agent-forwarding,no-user-rc,no-X11-forwarding,no-port-forwarding %(pubkey)s\n""" % locals())
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os.chmod(authorized_keys, stat.S_IRUSR | stat.S_IWUSR)
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def parse_procfile(filename):
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"""Parses a Procfile and returns the worker types. Only one worker of each type is allowed."""
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workers = {}
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if not exists(filename):
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return None
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with open(filename, 'r') as procfile:
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for line in procfile:
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try:
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kind, command = map(lambda x: x.strip(), line.split(":", 1))
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if kind in ['web', 'worker', 'wsgi']:
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workers[kind] = command
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except:
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echo("Warning: unrecognized Procfile declaration '%s'" % line, fg='yellow')
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if not len(workers):
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return {}
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# WSGI trumps regular web workers
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if 'wsgi' in workers:
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if 'web' in workers:
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del(workers['web'])
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return workers
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def expandvars(buffer, env, default=None, skip_escaped=False):
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"""expand shell-style environment variables in a buffer"""
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def replace_var(match):
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return env.get(match.group(2) or match.group(1), match.group(0) if default is None else default)
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pattern = (r'(?<!\\)' if skip_escaped else '') + r'\$(\w+|\{([^}]*)\})'
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return re.sub(pattern, replace_var, buffer)
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def command_output(cmd):
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"""executes a command and grabs its output, if any"""
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try:
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env = os.environ
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if 'sbin' not in env['PATH']:
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env['PATH'] = env['PATH'] + ":/usr/sbin:/usr/local/sbin"
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return check_output(cmd, stderr=STDOUT, env=env, shell=True)
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except:
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return ""
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def parse_settings(filename, env={}):
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"""Parses a settings file and returns a dict with environment variables"""
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if not exists(filename):
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return {}
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with open(filename, 'r') as settings:
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for line in settings:
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if '#' == line[0]: # allow for comments
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continue
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try:
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k, v = map(lambda x: x.strip(), line.split("=", 1))
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env[k] = expandvars(v, env)
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except:
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echo("Error: malformed setting '%s', ignoring file." % line, fg='red')
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return {}
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return env
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def do_deploy(app, deltas={}):
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"""Deploy an app by resetting the work directory"""
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app_path = join(APP_ROOT, app)
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procfile = join(app_path, 'Procfile')
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log_path = join(LOG_ROOT, app)
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env = {'GIT_WORK_DIR': app_path}
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if exists(app_path):
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echo("-----> Deploying app '%s'" % app, fg='green')
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call('git pull --quiet', cwd=app_path, env=env, shell=True)
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call('git checkout -f', cwd=app_path, env=env, shell=True)
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if not exists(log_path):
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os.makedirs(log_path)
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workers = parse_procfile(procfile)
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if len(workers):
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if exists(join(app_path, 'requirements.txt')):
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echo("-----> Python app detected.", fg='green')
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deploy_python(app, deltas)
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elif exists(join(app_path, 'Godeps')) or len(glob(join(app_path,'*.go'))):
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echo("-----> Go app detected.", fg='green')
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deploy_go(app, deltas)
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else:
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echo("-----> Could not detect runtime!", fg='red')
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# TODO: detect other runtimes
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else:
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echo("Error: Invalid Procfile for app '%s'." % app, fg='red')
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else:
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echo("Error: app '%s' not found." % app, fg='red')
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def deploy_go(app, deltas={}):
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"""Deploy a Go application"""
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go_path = join(ENV_ROOT, app)
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deps = join(APP_ROOT, app, 'Godeps')
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first_time = False
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if not exists(go_path):
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echo("-----> Creating GOPATH for '%s'" % app, fg='green')
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os.makedirs(go_path)
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# copy across a pre-built GOPATH to save provisioning time
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call('cp -a $HOME/gopath %s' % app, cwd=ENV_ROOT, shell=True)
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first_time = True
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if exists(deps):
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if first_time or getmtime(deps) > getmtime(go_path):
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echo("-----> Running godep for '%s'" % app, fg='green')
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env = {
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'GOPATH': '$HOME/gopath',
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'GOROOT': '$HOME/go',
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'PATH': '$PATH:$HOME/go/bin',
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'GO15VENDOREXPERIMENT': '1'
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}
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call('godep update ...', cwd=join(APP_ROOT, app), env=env, shell=True)
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spawn_app(app, deltas)
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def deploy_python(app, deltas={}):
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"""Deploy a Python application"""
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virtualenv_path = join(ENV_ROOT, app)
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requirements = join(APP_ROOT, app, 'requirements.txt')
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first_time = False
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if not exists(virtualenv_path):
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echo("-----> Creating virtualenv for '%s'" % app, fg='green')
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os.makedirs(virtualenv_path)
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call('virtualenv %s' % app, cwd=ENV_ROOT, shell=True)
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first_time = True
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activation_script = join(virtualenv_path,'bin','activate_this.py')
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execfile(activation_script, dict(__file__=activation_script))
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if first_time or getmtime(requirements) > getmtime(virtualenv_path):
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echo("-----> Running pip for '%s'" % app, fg='green')
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call('pip install -r %s' % requirements, cwd=virtualenv_path, shell=True)
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spawn_app(app, deltas)
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def spawn_app(app, deltas={}):
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"""Create all workers for an app"""
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app_path = join(APP_ROOT, app)
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procfile = join(app_path, 'Procfile')
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workers = parse_procfile(procfile)
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ordinals = defaultdict(lambda:1)
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worker_count = {k:1 for k in workers.keys()}
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# the Python virtualenv
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virtualenv_path = join(ENV_ROOT, app)
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# Settings shipped with the app
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env_file = join(APP_ROOT, app, 'ENV')
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# Python version marker
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python_version = join(APP_ROOT, app, '.python_version')
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# Custom overrides
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settings = join(ENV_ROOT, app, 'ENV')
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# Live settings
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live = join(ENV_ROOT, app, 'LIVE_ENV')
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# Scaling
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scaling = join(ENV_ROOT, app, 'SCALING')
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# Bootstrap environment
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env = {
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'APP': app,
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'LOG_ROOT': LOG_ROOT,
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'HOME': os.environ['HOME'],
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'USER': os.environ['USER'],
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'PATH': os.environ['PATH'],
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'PWD': dirname(env_file),
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'VIRTUAL_ENV': virtualenv_path,
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}
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# Load environment variables shipped with repo (if any)
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if exists(env_file):
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env.update(parse_settings(env_file, env))
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# Set Python runtime
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env['PYTHON_MAJOR_VERSION'] = '2'
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if exists(python_version):
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with open(python_version) as h:
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if h.read().strip()[0] == '3'
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env['PYTHON_MAJOR_VERSION'] = '3'
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# Override with custom settings (if any)
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if exists(settings):
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env.update(parse_settings(settings, env))
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if 'web' in workers or 'wsgi' in workers:
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# Pick a port if none defined and we're not running under nginx
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if 'PORT' not in env and 'NGINX_SERVER_NAME' not in env:
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env['PORT'] = str(get_free_port())
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# Safe default for bind address
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if 'BIND_ADDRESS' not in env:
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env['BIND_ADDRESS'] = '127.0.0.1'
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# Set up nginx if we have NGINX_SERVER_NAME set
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if 'NGINX_SERVER_NAME' in env:
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nginx = command_output("nginx -V")
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nginx_ssl = "443 ssl"
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if "--with-http_v2_module" in nginx:
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nginx_ssl += " http2"
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elif "--with-http_spdy_module" in nginx and "nginx/1.6.2" not in nginx: # avoid Raspbian bug
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nginx_ssl += " spdy"
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env.update({
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'NGINX_SSL': nginx_ssl,
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'NGINX_ROOT': NGINX_ROOT,
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})
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if 'wsgi' in workers:
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sock = join(NGINX_ROOT, "%s.sock" % app)
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env['NGINX_SOCKET'] = env['BIND_ADDRESS'] = "unix://" + sock
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if 'PORT' in env:
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del env['PORT']
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else:
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env['NGINX_SOCKET'] = "%(BIND_ADDRESS)s:%(PORT)s" % env
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domain = env['NGINX_SERVER_NAME'].split()[0]
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key, crt = [join(NGINX_ROOT,'%s.%s' % (app,x)) for x in ['key','crt']]
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if not exists(key):
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call('openssl req -new -newkey rsa:4096 -days 365 -nodes -x509 -subj "/C=US/ST=NY/L=New York/O=Piku/OU=Self-Signed/CN=%(domain)s" -keyout %(key)s -out %(crt)s' % locals(), shell=True)
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# restrict access to server from CloudFlare IP addresses
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acl = []
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if env.get('NGINX_CLOUDFLARE_ACL', 'false').lower() == 'true':
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try:
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cf = loads(urlopen('https://api.cloudflare.com/client/v4/ips').read())
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except Exception, e:
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cf = defaultdict()
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echo("-----> Could not retrieve CloudFlare IP ranges: %s" % e.text, fg="red")
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if cf['success'] == True:
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for i in cf['result']['ipv4_cidrs']:
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acl.append("allow %s;" % i)
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for i in cf['result']['ipv6_cidrs']:
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acl.append("allow %s;" % i)
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# allow access from controlling machine
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if 'SSH_CLIENT' in os.environ:
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remote_ip = os.environ['SSH_CLIENT'].split()[0]
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echo("-----> Adding your IP (%s) to nginx ACL" % remote_ip)
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acl.append("allow %s;" % remote_ip)
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acl.extend(["allow 127.0.0.1;","deny all;"])
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env['NGINX_ACL'] = "\n".join(acl)
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buffer = expandvars(NGINX_TEMPLATE, env)
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echo("-----> Setting up nginx for '%s:%s'" % (app, env['NGINX_SERVER_NAME']))
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with open(join(NGINX_ROOT,"%s.conf" % app), "w") as h:
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h.write(buffer)
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# Configured worker count
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if exists(scaling):
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worker_count.update({k: int(v) for k,v in parse_procfile(scaling).iteritems()})
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to_create = {}
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to_destroy = {}
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for k, v in worker_count.iteritems():
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to_create[k] = range(1,worker_count[k] + 1)
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if k in deltas and deltas[k]:
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to_create[k] = range(1, worker_count[k] + deltas[k] + 1)
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if deltas[k] < 0:
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to_destroy[k] = range(worker_count[k], worker_count[k] + deltas[k], -1)
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worker_count[k] = worker_count[k]+deltas[k]
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# Save current settings
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write_config(live, env)
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write_config(scaling, worker_count, ':')
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# Create new workers
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for k, v in to_create.iteritems():
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for w in v:
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enabled = join(UWSGI_ENABLED, '%s_%s.%d.ini' % (app, k, w))
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if not exists(enabled):
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echo("-----> Spawning '%s:%s.%d'" % (app, k, w), fg='green')
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spawn_worker(app, k, workers[k], env, w)
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# Remove unnecessary workers (leave logfiles)
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for k, v in to_destroy.iteritems():
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for w in v:
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enabled = join(UWSGI_ENABLED, '%s_%s.%d.ini' % (app, k, w))
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if exists(enabled):
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echo("-----> Terminating '%s:%s.%d'" % (app, k, w), fg='yellow')
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os.unlink(enabled)
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def spawn_worker(app, kind, command, env, ordinal=1):
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"""Set up and deploy a single worker of a given kind"""
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env['PROC_TYPE'] = kind
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env_path = join(ENV_ROOT, app)
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available = join(UWSGI_AVAILABLE, '%s_%s.%d.ini' % (app, kind, ordinal))
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enabled = join(UWSGI_ENABLED, '%s_%s.%d.ini' % (app, kind, ordinal))
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settings = [
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('virtualenv', join(ENV_ROOT, app)),
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('chdir', join(APP_ROOT, app)),
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('master', 'true'),
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('project', app),
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('max-requests', env.get('UWSGI_MAX_REQUESTS', '1024')),
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('listen', env.get('UWSGI_LISTEN', '16')),
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('processes', env.get('UWSGI_PROCESSES', '1')),
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('procname-prefix', '%s:%s:' % (app, kind)),
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('enable-threads', env.get('UWSGI_ENABLE_THREADS', 'true').lower()),
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('log-x-forwarded-for', env.get('UWSGI_LOG_X_FORWARDED_FOR', 'false').lower()),
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('log-maxsize', env.get('UWSGI_LOG_MAXSIZE', UWSGI_LOG_MAXSIZE)),
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('logto', '%s.%d.log' % (join(LOG_ROOT, app, kind), ordinal)),
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('log-backupname', '%s.%d.log.old' % (join(LOG_ROOT, app, kind), ordinal)),
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]
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|
|
if kind == 'wsgi':
|
|
if env['PYTHON_MAJOR_VERSION'] == '2':
|
|
if env.get('PYTHON_GEVENT','false').lower() == "true":
|
|
settings.extend([('plugin', 'gevent-python')])
|
|
else:
|
|
settings.extend([('plugin', 'python')])
|
|
else:
|
|
if env.get('PYTHON_ASYNCIO','false').lower() == "true":
|
|
settings.extend([('plugin', 'asyncio-python3')])
|
|
else:
|
|
settings.extend([('plugin', 'python3')])
|
|
|
|
settings.extend([
|
|
('module', command),
|
|
('threads', env.get('UWSGI_THREADS','4')),
|
|
])
|
|
if 'UWSGI_GEVENT' in env:
|
|
settings.extend([
|
|
('plugin', 'gevent_python'),
|
|
('gevent', env['UWSGI_GEVENT']),
|
|
])
|
|
|
|
# If running under nginx, don't expose a port at all
|
|
if 'NGINX_SERVER_NAME' in env:
|
|
sock = join(NGINX_ROOT, "%s.sock" % app)
|
|
echo("-----> Binding uWSGI to %s" % sock , fg='yellow')
|
|
settings.extend([
|
|
('socket', sock),
|
|
('chmod-socket', '664'),
|
|
])
|
|
else:
|
|
echo("-----> Setting HTTP to listen on %(BIND_ADDRESS)s:%(PORT)s" % env, fg='yellow')
|
|
settings.extend([
|
|
('http', '%(BIND_ADDRESS)s:%(PORT)s' % env),
|
|
('http-socket', '%(BIND_ADDRESS)s:%(PORT)s' % env),
|
|
])
|
|
elif kind == 'web':
|
|
echo("-----> Setting HTTP to listen on %(BIND_ADDRESS)s:%(PORT)s" % env, fg='yellow')
|
|
settings.extend([
|
|
('http', '%(BIND_ADDRESS)s:%(PORT)s' % env),
|
|
('http-socket', '%(BIND_ADDRESS)s:%(PORT)s' % env),
|
|
])
|
|
else:
|
|
settings.append(('attach-daemon', command))
|
|
|
|
if kind in ['wsgi','web']:
|
|
settings.append(('log-format','%%(addr) - %%(user) [%%(ltime)] "%%(method) %%(uri) %%(proto)" %%(status) %%(size) "%%(referer)" "%%(uagent)" %%(msecs)ms'))
|
|
|
|
# remove unnecessary variables from the env in nginx.ini
|
|
for k in ['NGINX_ACL']:
|
|
if k in env:
|
|
del env[k]
|
|
|
|
for k, v in env.iteritems():
|
|
settings.append(('env', '%s=%s' % (k,v)))
|
|
|
|
with open(available, 'w') as h:
|
|
h.write('[uwsgi]\n')
|
|
for k, v in settings:
|
|
h.write("%s = %s\n" % (k, v))
|
|
|
|
shutil.copyfile(available, enabled)
|
|
|
|
|
|
def multi_tail(app, filenames, catch_up=20):
|
|
"""Tails multiple log files"""
|
|
|
|
# Seek helper
|
|
def peek(handle):
|
|
where = handle.tell()
|
|
line = handle.readline()
|
|
if not line:
|
|
handle.seek(where)
|
|
return None
|
|
return line
|
|
|
|
inodes = {}
|
|
files = {}
|
|
prefixes = {}
|
|
|
|
# Set up current state for each log file
|
|
for f in filenames:
|
|
prefixes[f] = splitext(basename(f))[0]
|
|
files[f] = open(f)
|
|
inodes[f] = os.stat(f).st_ino
|
|
files[f].seek(0, 2)
|
|
|
|
longest = max(map(len, prefixes.values()))
|
|
|
|
# Grab a little history (if any)
|
|
for f in filenames:
|
|
for line in deque(open(f), catch_up):
|
|
yield "%s | %s" % (prefixes[f].ljust(longest), line)
|
|
|
|
while True:
|
|
updated = False
|
|
# Check for updates on every file
|
|
for f in filenames:
|
|
line = peek(files[f])
|
|
if not line:
|
|
continue
|
|
else:
|
|
updated = True
|
|
yield "%s | %s" % (prefixes[f].ljust(longest), line)
|
|
|
|
if not updated:
|
|
sleep(1)
|
|
# Check if logs rotated
|
|
for f in filenames:
|
|
if exists(f):
|
|
if os.stat(f).st_ino != inodes[f]:
|
|
files[f] = open(f)
|
|
inodes[f] = os.stat(f).st_ino
|
|
else:
|
|
filenames.remove(f)
|
|
|
|
|
|
# === CLI commands ===
|
|
|
|
@group()
|
|
def piku():
|
|
"""The smallest PaaS you've ever seen"""
|
|
pass
|
|
|
|
|
|
@piku.resultcallback()
|
|
def cleanup(ctx):
|
|
"""Callback from command execution -- add debugging to taste"""
|
|
pass
|
|
|
|
|
|
# --- User commands ---
|
|
|
|
@piku.command("apps")
|
|
def list_apps():
|
|
"""List applications"""
|
|
|
|
for a in os.listdir(APP_ROOT):
|
|
echo(a, fg='green')
|
|
|
|
|
|
@piku.command("config")
|
|
@argument('app')
|
|
def deploy_app(app):
|
|
"""Show application configuration"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
if exists(config_file):
|
|
echo(open(config_file).read().strip(), fg='white')
|
|
else:
|
|
echo("Warning: app '%s' not deployed, no config found." % app, fg='yellow')
|
|
|
|
|
|
@piku.command("config:get")
|
|
@argument('app')
|
|
@argument('setting')
|
|
def deploy_app(app, setting):
|
|
"""Retrieve a configuration setting"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
if exists(config_file):
|
|
env = parse_settings(config_file)
|
|
if setting in env:
|
|
echo("%s" % env[setting], fg='white')
|
|
else:
|
|
echo("Warning: no active configuration for '%s'" % app)
|
|
|
|
|
|
@piku.command("config:set")
|
|
@argument('app')
|
|
@argument('settings', nargs=-1)
|
|
def deploy_app(app, settings):
|
|
"""Set a configuration setting"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
env = parse_settings(config_file)
|
|
for s in settings:
|
|
try:
|
|
k, v = map(lambda x: x.strip(), s.split("=", 1))
|
|
env[k] = v
|
|
echo("Setting %s=%s for '%s'" % (k, v, app), fg='white')
|
|
except:
|
|
echo("Error: malformed setting '%s'" % s, fg='red')
|
|
return
|
|
write_config(config_file, env)
|
|
do_deploy(app)
|
|
|
|
|
|
@piku.command("config:unset")
|
|
@argument('app')
|
|
@argument('settings', nargs=-1)
|
|
def deploy_app(app, settings):
|
|
"""Set a configuration setting"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'ENV')
|
|
env = parse_settings(config_file)
|
|
for s in settings:
|
|
if s in env:
|
|
del env[s]
|
|
echo("Unsetting %s for '%s'" % (s, app), fg='white')
|
|
write_config(config_file, env)
|
|
do_deploy(app)
|
|
|
|
|
|
@piku.command("config:live")
|
|
@argument('app')
|
|
def deploy_app(app):
|
|
"""Show live configuration settings"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
live_config = join(ENV_ROOT, app, 'LIVE_ENV')
|
|
if exists(live_config):
|
|
echo(open(live_config).read().strip(), fg='white')
|
|
else:
|
|
echo("Warning: app '%s' not deployed, no config found." % app, fg='yellow')
|
|
|
|
|
|
@piku.command("deploy")
|
|
@argument('app')
|
|
def deploy_app(app):
|
|
"""Deploy an application"""
|
|
|
|
app = exit_if_invalid(app)
|
|
do_deploy(app)
|
|
|
|
|
|
@piku.command("destroy")
|
|
@argument('app')
|
|
def destroy_app(app):
|
|
"""Destroy an application"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
for p in [join(x, app) for x in [APP_ROOT, GIT_ROOT, ENV_ROOT, LOG_ROOT]]:
|
|
if exists(p):
|
|
echo("Removing folder '%s'" % p, fg='yellow')
|
|
shutil.rmtree(p)
|
|
|
|
for p in [join(x, '%s*.ini' % app) for x in [UWSGI_AVAILABLE, UWSGI_ENABLED]]:
|
|
g = glob(p)
|
|
if len(g):
|
|
for f in g:
|
|
echo("Removing file '%s'" % f, fg='yellow')
|
|
os.remove(f)
|
|
|
|
nginx_files = [join(NGINX_ROOT, "%s.%s" % (app,x)) for x in ['conf','sock','key','crt']]
|
|
for f in nginx_files:
|
|
if exists(f):
|
|
echo("Removing file '%s'" % f, fg='yellow')
|
|
os.remove(f)
|
|
|
|
|
|
@piku.command("logs")
|
|
@argument('app')
|
|
def tail_logs(app):
|
|
"""Tail an application log"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
logfiles = glob(join(LOG_ROOT, app, '*.log'))
|
|
if len(logfiles):
|
|
for line in multi_tail(app, logfiles):
|
|
echo(line.strip(), fg='white')
|
|
else:
|
|
echo("No logs found for app '%s'." % app, fg='yellow')
|
|
|
|
|
|
@piku.command("ps")
|
|
@argument('app')
|
|
def deploy_app(app):
|
|
"""Show application worker count"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'SCALING')
|
|
if exists(config_file):
|
|
echo(open(config_file).read().strip(), fg='white')
|
|
else:
|
|
echo("Error: no workers found for app '%s'." % app, fg='red')
|
|
|
|
|
|
@piku.command("ps:scale")
|
|
@argument('app')
|
|
@argument('settings', nargs=-1)
|
|
def deploy_app(app, settings):
|
|
"""Show application configuration"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config_file = join(ENV_ROOT, app, 'SCALING')
|
|
worker_count = {k:int(v) for k, v in parse_procfile(config_file).iteritems()}
|
|
deltas = {}
|
|
for s in settings:
|
|
try:
|
|
k, v = map(lambda x: x.strip(), s.split("=", 1))
|
|
c = int(v) # check for integer value
|
|
if c < 0:
|
|
echo("Error: cannot scale type '%s' below 0" % k, fg='red')
|
|
return
|
|
if k not in worker_count:
|
|
echo("Error: worker type '%s' not present in '%s'" % (k, app), fg='red')
|
|
return
|
|
deltas[k] = c - worker_count[k]
|
|
except:
|
|
echo("Error: malformed setting '%s'" % s, fg='red')
|
|
return
|
|
do_deploy(app, deltas)
|
|
|
|
|
|
@piku.command("restart")
|
|
@argument('app')
|
|
def restart_app(app):
|
|
"""Restart an application"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config = glob(join(UWSGI_ENABLED, '%s*.ini' % app))
|
|
|
|
if len(config):
|
|
echo("Restarting app '%s'..." % app, fg='yellow')
|
|
for c in config:
|
|
os.remove(c)
|
|
do_deploy(app)
|
|
else:
|
|
echo("Error: app '%s' not deployed!" % app, fg='red')
|
|
|
|
|
|
@piku.command("setup")
|
|
def init_paths():
|
|
"""Initialize environment"""
|
|
|
|
# Create required paths
|
|
for p in [APP_ROOT, GIT_ROOT, ENV_ROOT, UWSGI_ROOT, UWSGI_AVAILABLE, UWSGI_ENABLED, LOG_ROOT, NGINX_ROOT]:
|
|
if not exists(p):
|
|
echo("Creating '%s'." % p, fg='green')
|
|
os.makedirs(p)
|
|
|
|
# Set up the uWSGI emperor config
|
|
settings = [
|
|
('chdir', UWSGI_ROOT),
|
|
('emperor', UWSGI_ENABLED),
|
|
('log-maxsize', UWSGI_LOG_MAXSIZE),
|
|
('logto', join(UWSGI_ROOT, 'uwsgi.log')),
|
|
('log-backupname', join(UWSGI_ROOT, 'uwsgi.old.log')),
|
|
('socket', join(UWSGI_ROOT, 'uwsgi.sock')),
|
|
('enable-threads', 'true'),
|
|
('threads', '%d' % (cpu_count() * 2)),
|
|
]
|
|
with open(join(UWSGI_ROOT,'uwsgi.ini'), 'w') as h:
|
|
h.write('[uwsgi]\n')
|
|
for k, v in settings:
|
|
h.write("%s = %s\n" % (k, v))
|
|
|
|
# mark this script as executable (in case we were invoked via interpreter)
|
|
this_script = realpath(__file__)
|
|
if not(os.stat(this_script).st_mode & stat.S_IXUSR):
|
|
echo("Setting '%s' as executable." % this_script, fg='yellow')
|
|
os.chmod(this_script, os.stat(this_script).st_mode | stat.S_IXUSR)
|
|
|
|
|
|
@piku.command("setup:ssh")
|
|
@argument('public_key_file')
|
|
def add_key(public_key_file):
|
|
"""Set up a new SSH key"""
|
|
|
|
if exists(public_key_file):
|
|
try:
|
|
fingerprint = check_output('ssh-keygen -lf %s' % public_key_file, shell=True).split(' ',4)[1]
|
|
key = open(public_key_file).read().strip()
|
|
echo("Adding key '%s'." % fingerprint, fg='white')
|
|
setup_authorized_keys(fingerprint, realpath(__file__), key)
|
|
except:
|
|
echo("Error: invalid public key file '%s'" % public_key_file, fg='red')
|
|
else:
|
|
echo("Error: public key file '%s' not found." % public_key_file, fg='red')
|
|
|
|
|
|
@piku.command("stop")
|
|
@argument('app')
|
|
def stop_app(app):
|
|
"""Stop an application"""
|
|
|
|
app = exit_if_invalid(app)
|
|
|
|
config = glob(join(UWSGI_ENABLED, '%s*.ini' % app))
|
|
|
|
if len(config):
|
|
echo("Stopping app '%s'..." % app, fg='yellow')
|
|
for c in config:
|
|
os.remove(c)
|
|
else:
|
|
echo("Error: app '%s' not deployed!" % app, fg='red')
|
|
|
|
|
|
# --- Internal commands ---
|
|
|
|
@piku.command("git-hook")
|
|
@argument('app')
|
|
def git_hook(app):
|
|
"""INTERNAL: Post-receive git hook"""
|
|
|
|
app = sanitize_app_name(app)
|
|
repo_path = join(GIT_ROOT, app)
|
|
app_path = join(APP_ROOT, app)
|
|
|
|
for line in sys.stdin:
|
|
oldrev, newrev, refname = line.strip().split(" ")
|
|
#print "refs:", oldrev, newrev, refname
|
|
if refname == "refs/heads/master":
|
|
# Handle pushes to master branch
|
|
if not exists(app_path):
|
|
echo("-----> Creating app '%s'" % app, fg='green')
|
|
os.makedirs(app_path)
|
|
call('git clone --quiet %s %s' % (repo_path, app), cwd=APP_ROOT, shell=True)
|
|
do_deploy(app)
|
|
else:
|
|
# TODO: Handle pushes to another branch
|
|
echo("receive-branch '%s': %s, %s" % (app, newrev, refname))
|
|
|
|
|
|
@piku.command("git-receive-pack")
|
|
@argument('app')
|
|
def receive(app):
|
|
"""INTERNAL: Handle git pushes for an app"""
|
|
|
|
app = sanitize_app_name(app)
|
|
hook_path = join(GIT_ROOT, app, 'hooks', 'post-receive')
|
|
|
|
if not exists(hook_path):
|
|
os.makedirs(dirname(hook_path))
|
|
# Initialize the repository with a hook to this script
|
|
call("git init --quiet --bare " + app, cwd=GIT_ROOT, shell=True)
|
|
with open(hook_path,'w') as h:
|
|
h.write("""#!/usr/bin/env bash
|
|
set -e; set -o pipefail;
|
|
cat | PIKU_ROOT="%s" %s git-hook %s""" % (PIKU_ROOT, realpath(__file__), app))
|
|
# Make the hook executable by our user
|
|
os.chmod(hook_path, os.stat(hook_path).st_mode | stat.S_IXUSR)
|
|
# Handle the actual receive. We'll be called with 'git-hook' after it happens
|
|
call('git-shell -c "%s"' % " ".join(sys.argv[1:]), cwd=GIT_ROOT, shell=True)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
piku()
|