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models.py
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/
models.py
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# -*- coding: utf-8 -*-
"""
heroku.models
~~~~~~~~~~~~~
This module contains the models that comprise the Heroku API.
"""
from .helpers import to_python
from .structures import *
from urllib import quote
import json
import requests
class BaseResource(object):
_strs = []
_ints = []
_dates = []
_bools = []
_dicts = []
_map = {}
_pks = []
def __init__(self):
self._bootstrap()
self._h = None
super(BaseResource, self).__init__()
def __repr__(self):
return "<resource '{0}'>".format(self._id)
def _bootstrap(self):
"""Bootstraps the model object based on configured values."""
for attr in self._keys():
setattr(self, attr, None)
def _keys(self):
return self._strs + self._ints + self._dates + self._bools + self._map.keys()
@property
def _id(self):
try:
return getattr(self, self._pks[0])
except IndexError:
return None
@property
def _ids(self):
"""The list of primary keys to validate against."""
for pk in self._pks:
yield getattr(self, pk)
for pk in self._pks:
try:
yield str(getattr(self, pk))
except ValueError:
pass
def dict(self):
d = dict()
for k in self.keys():
d[k] = self.__dict__.get(k)
return d
@classmethod
def new_from_dict(cls, d, h=None, **kwargs):
d = to_python(
obj=cls(),
in_dict=d,
str_keys=cls._strs,
int_keys=cls._ints,
date_keys=cls._dates,
bool_keys=cls._bools,
dict_keys= cls._dicts,
object_map=cls._map,
_h = h
)
d.__dict__.update(kwargs)
return d
class AvailableAddon(BaseResource):
"""Heroku Addon."""
_strs = ['name', 'description', 'url', 'state']
_bools = ['beta',]
_pks = ['name']
def __repr__(self):
return "<available-addon '{0}'>".format(self.name)
@property
def type(self):
return self.name.split(':')[0]
class Addon(AvailableAddon):
"""Heroku Addon."""
_pks = ['name', 'type']
def __repr__(self):
return "<addon '{0}'>".format(self.name)
def delete(self):
r = self._h._http_resource(
method='DELETE',
resource=('apps', self.app.name, 'addons', self.name)
)
return r.ok
def new(self, name):
r = self._h._http_resource(
method='POST',
resource=('apps', self.app.name, 'addons', name)
)
r.raise_for_status()
return self.app.addons[name]
def upgrade(self, name):
"""Upgrades an addon to the given tier."""
# Allow non-namespaced upgrades. (e.g. advanced vs logging:advanced)
if ':' not in name:
name = '{0}:{1}'.format(self.type, name)
r = self._h._http_resource(
method='PUT',
resource=('apps', self.app.name, 'addons', quote(name)),
data=' ' # Server weirdness.
)
r.raise_for_status()
return self.app.addons[name]
class App(BaseResource):
"""Heroku App."""
_strs = ['name', 'create_status', 'stack', 'repo_migrate_status']
_ints = ['id', 'slug_size', 'repo_size', 'dynos', 'workers']
_dates = ['created_at',]
_pks = ['name', 'id']
def __init__(self):
super(App, self).__init__()
def __repr__(self):
return "<app '{0}'>".format(self.name)
def new(self, name=None, stack='cedar'):
"""Creates a new app."""
payload = {}
if name:
payload['app[name]'] = name
if stack:
payload['app[stack]'] = stack
r = self._h._http_resource(
method='POST',
resource=('apps',),
data=payload
)
name = json.loads(r.content).get('name')
return self._h.apps.get(name)
@property
def addons(self):
return self._h._get_resources(
resource=('apps', self.name, 'addons'),
obj=Addon, app=self
)
@property
def collaborators(self):
"""The collaborators for this app."""
return self._h._get_resources(
resource=('apps', self.name, 'collaborators'),
obj=Collaborator, app=self
)
@property
def domains(self):
"""The domains for this app."""
return self._h._get_resources(
resource=('apps', self.name, 'domains'),
obj=Domain, app=self
)
@property
def releases(self):
"""The releases for this app."""
return self._h._get_resources(
resource=('apps', self.name, 'releases'),
obj=Release, app=self
)
@property
def processes(self):
"""The proccesses for this app."""
return self._h._get_resources(
resource=('apps', self.name, 'ps'),
obj=Process, app=self, map=ProcessListResource
)
@property
def config(self):
"""The envs for this app."""
return self._h._get_resource(
resource=('apps', self.name, 'config_vars'),
obj=ConfigVars, app=self
)
@property
def info(self):
"""Returns current info for this app."""
return self._h._get_resource(
resource=('apps', self.name),
obj=App,
)
@property
def labs(self):
return self._h._get_resources(
resource=('features'),
obj=Feature, params={'app': self.name}, app=self, map=filtered_key_list_resource_factory(lambda item: item.kind == 'app')
)
def rollback(self, release):
"""Rolls back the release to the given version."""
r = self._h._http_resource(
method='POST',
resource=('apps', self.name, 'releases'),
data={'rollback': release}
)
return self.releases[-1]
def rename(self, name):
"""Renames app to given name."""
r = self._h._http_resource(
method='PUT',
resource=('apps', self.name),
data={'app[name]': name}
)
return r.ok
def transfer(self, user):
"""Transfers app to given username's account."""
r = self._h._http_resource(
method='PUT',
resource=('apps', self.name),
data={'app[transfer_owner]': user}
)
return r.ok
def maintenance(self, on=True):
"""Toggles maintenance mode."""
r = self._h._http_resource(
method='POST',
resource=('apps', self.name, 'server', 'maintenance'),
data={'maintenance_mode': int(on)}
)
return r.ok
def destroy(self):
"""Destoys the app. Do be careful."""
r = self._h._http_resource(
method='DELETE',
resource=('apps', self.name)
)
return r.ok
def logs(self, num=None, source=None, tail=False):
"""Returns the requested log."""
# Bootstrap payload package.
payload = {'logplex': 'true'}
if num:
payload['num'] = num
if source:
payload['source'] = source
if tail:
payload['tail'] = 1
# Grab the URL of the logplex endpoint.
r = self._h._http_resource(
method='GET',
resource=('apps', self.name, 'logs'),
data=payload
)
# Grab the actual logs.
r = requests.get(r.content, verify=False, prefetch=False)
if not tail:
return r.content
else:
# Return line iterator for tail!
return r.iter_lines()
class Collaborator(BaseResource):
"""Heroku Collaborator."""
_strs = ['access', 'email']
_pks = ['email']
def __init__(self):
self.app = None
super(Collaborator, self).__init__()
def __repr__(self):
return "<collaborator '{0}'>".format(self.email)
def new(self, email):
r = self._h._http_resource(
method='POST',
resource=('apps', self.app.name, 'collaborators'),
data={'collaborator[email]': email}
)
return self.app.collaborators[email]
def delete(self):
r = self._h._http_resource(
method='DELETE',
resource=('apps', self.app.name, 'collaborators', self.email)
)
return r.ok
class ConfigVars(object):
"""Heroku ConfigVars."""
def __init__(self):
self.data = {}
self.app = None
self._h = None
super(ConfigVars, self).__init__()
def __repr__(self):
return repr(self.data)
def __setitem__(self, key, value):
# API expects JSON.
payload = json.dumps({key: value})
r = self._h._http_resource(
method='PUT',
resource=('apps', self.app.name, 'config_vars'),
data=payload
)
return r.ok
def __delitem__(self, key):
r = self._h._http_resource(
method='DELETE',
resource=('apps', self.app.name, 'config_vars', key),
)
return r.ok
@classmethod
def new_from_dict(cls, d, h=None, **kwargs):
# Override normal operation because of crazy api.
c = cls()
c.data = d
c._h = h
c.app = kwargs.get('app')
return c
class Domain(BaseResource):
"""Heroku Domain."""
_ints = ['id', 'app_id', ]
_strs = ['domain', 'base_domain', 'default']
_dates = ['created_at', 'updated_at']
_pks = ['domain', 'id']
def __init__(self):
self.app = None
super(Domain, self).__init__()
def __repr__(self):
return "<domain '{0}'>".format(self.domain)
def delete(self):
r = self._h._http_resource(
method='DELETE',
resource=('apps', self.app.name, 'domains', self.domain)
)
return r.ok
def new(self, name):
r = self._h._http_resource(
method='POST',
resource=('apps', self.app.name, 'domains'),
data={'domain_name[domain]': name}
)
return self.app.domains[name]
class Key(BaseResource):
"""Heroku SSH Key."""
_strs = ['email', 'contents']
_pks = ['id',]
def __init__(self):
super(Key, self).__init__()
def __repr__(self):
return "<key '{0}'>".format(self.id)
@property
def id(self):
"""Returns the username@hostname description field of the key."""
return self.contents.split()[-1]
def new(self, key):
r = self._h._http_resource(
method='POST',
resource=('user', 'keys'),
data=key
)
print key.split()[-1]
return self._h.keys.get(key.split()[-1])
def delete(self):
"""Deletes the key."""
r = self._h._http_resource(
method='DELETE',
resource=('user', 'keys', self.id)
)
r.raise_for_status()
class Log(BaseResource):
def __init__(self):
self.app = None
super(Log, self).__init__()
class Process(BaseResource):
_strs = [
'app_name', 'slug', 'command', 'upid', 'process', 'action',
'rendezvous_url', 'pretty_state', 'state'
]
_ints = ['elapsed']
_bools = ['attached']
_dates = []
_pks = ['process', 'upid']
def __init__(self):
self.app = None
super(Process, self).__init__()
def __repr__(self):
return "<process '{0}'>".format(self.process)
def new(self, type, quantity):
r = self._h._http_resource(
method='POST',
resource=('apps', self.app.name, 'ps', 'scale'),
data={'type': type, 'qty': quantity}
)
r.raise_for_status()
return self.app.processes[type]
@property
def type(self):
return self.process.split('.')[0]
def restart(self, all=False):
"""Restarts the given process."""
if all:
data = {'type': self.type}
else:
data = {'ps': self.process}
r = self._h._http_resource(
method='POST',
resource=('apps', self.app.name, 'ps', 'restart'),
data=data
)
r.raise_for_status()
def stop(self, all=False):
"""Stops the given process."""
if all:
data = {'type': self.type}
else:
data = {'ps': self.process}
r = self._h._http_resource(
method='POST',
resource=('apps', self.app.name, 'ps', 'stop'),
data=data
)
r.raise_for_status()
def scale(self, quantity):
"""Scales the given process to the given number of dynos."""
r = self._h._http_resource(
method='POST',
resource=('apps', self.app.name, 'ps', 'scale'),
data={'type': self.type, 'qty': quantity}
)
r.raise_for_status()
return self.app.processes[self.type]
class Release(BaseResource):
_strs = ['name', 'descr', 'user', 'commit', 'addons']
_dicts = ['env', 'pstable']
_dates = ['created_at']
_pks = ['name']
def __init__(self):
self.app = None
super(Release, self).__init__()
def __repr__(self):
return "<release '{0}'>".format(self.name)
def rollback(self):
"""Rolls back the application to this release."""
return self.app.rollback(self.name)
class Stack(BaseResource):
def __init__(self):
super(Stack, self).__init__()
class Feature(BaseResource):
_strs = ['name', 'kind', 'summary', 'docs',]
_bools = ['enabled']
_pks = ['name']
def __init__(self):
self.app = None
super(Feature, self).__init__()
def __repr__(self):
return "<feature '{0}'>".format(self.name)
def enable(self):
r = self._h._http_resource(
method='POST',
resource=('features', self.name),
params={'app': self.app.name if self.app else ''}
)
return r.ok
def disable(self):
r = self._h._http_resource(
method='DELETE',
resource=('features', self.name),
params={'app': self.app.name if self.app else ''}
)
return r.ok