Exemple #1
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 def run_command(self, command_c, slice_name=None, rspec_path=None):
     """ runs given command for slice name and returns output.
     command_c should be an array
     """
     # Required args
     command = [self.java_path, '-jar', self.jfed_cli_path]
     command += command_c
     # Optional args
     # All optional args need to be initialized as array
     if rspec_path:
         command += ['--rspec', rspec_path]
     if slice_name:
         slice_name = 'urn:publicid:IDN+wall2.ilabt.iminds.be:' + self.project_name + '+slice+' + slice_name
         command += ['-s', slice_name]
     if self.call_log:
         command += ['--call-log', '/var/log/jfed_call_log']
     if self.key_path:
         command += ['-p', self.key_path]
         if self.password:
             command += ['-P', self.password]
     elif self.properties:
         command += ['--context-file', self.properties]
     else:
         fail("either keyfile or context file must be specified")
     if self.s4cert:
         command += ['--speaks-for', self.s4cert]
     debug("command is: `{}`".format(' '.join(command)))
     iserror = False
     try:
         output = subprocess.check_output(command, stderr=subprocess.STDOUT)
     except subprocess.CalledProcessError as ex:
         output = ex.output
         iserror = True
     print "DEBUG: output = {}".format(output)
     return parse_output(output, iserror)
Exemple #2
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 def destroy(self):
     if self.locked:
         fail('Cannot destroy locked model')
     else:
         print('Destroying jfed slice and slivers...')
         jfed = self.init_jfed()
         jfed.delete()
Exemple #3
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def get_provider(config=global_conf):
    provider = config.get('provider', 'jfed')
    if provider == "ssh":
        return ssh_provider.SSHProvider(global_conf)
    elif provider == "jfed":
        return jfed_provider.JfedProvider(global_conf)
    else:
        fail("No provider of type {} found".format(provider))
Exemple #4
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 def reload(self):
     if self.locked:
         fail('Cannot reload locked model')
     else:
         print('Reloading jfed slivers...')
         jfed = self.init_jfed()
         jfed.reload()
         print('renewed reloaded succesfully')
Exemple #5
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 def delete(self):
     """ Deletes jfed slice """
     if self.locked:
         fail("Environment is locked, cannot delete it.")
     else:
         url = self.slice_url
         response = requests.delete(url, headers=self.headers)
         if response.status_code == 200:
             return
         raise Exception(
             "Call to {2} failed with code {0} and message:\n{1}".format(
                 response.status_code, response.text, url))
 def delete(self):
     """ Deletes jfed slice """
     if self.locked:
         fail("Environment is locked, cannot delete it.")
     else:
         url = self.slice_url
         response = requests.delete(url, headers=self.headers)
         if response.status_code == 200:
             return
         raise Exception(
             "Call to {2} failed with code {0} and message:\n{1}".format(
                 response.status_code, response.text, url))
Exemple #7
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def get_provider(config=GLOBAL_CONF):
    """ Gets the provider. The idea is that every environment can have a
    different provider, but we still want a default provider. This means that
    provider will be saved in both env_conf(different for each environment) and
    global_conf (the default provider for new environments)"""
    provider = config.get('provider', 'rest2jfed')
    if provider == "ssh":
        return ssh_provider.SSHProvider(GLOBAL_CONF)
    elif provider == "rest2jfed":
        return jfed_provider.JfedProvider(GLOBAL_CONF)
    elif provider == "juju-powered":
        return juju_powered_provider.JujuPoweredProvider(GLOBAL_CONF)
    else:
        fail("No provider of type {} found".format(provider))
 def create(name, juju_config, machines, init_bundle):
     """Creates Juju environment and deploy the init bundle."""
     if JujuEnvironment.env_exists(name):
         fail(
             "Juju environment already exists. Remove it first with 'tengu destroy-model {}'"
             .format(name))
     JujuEnvironment._create_env(name, juju_config)
     # Wait 5 seconds before adding machines because python
     # is too fast for juju
     sleep(20)
     environment = JujuEnvironment(name)
     environment.add_machines(machines)
     environment.deploy_init_bundle(init_bundle)
     return environment
Exemple #9
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def destroy_juju_environment(name):
    """ Destroy Juju environment and destroy Juju environment config files """
    env_conf = init_environment_config(name)
    if env_conf['locked']:
        fail('Cannot destroy locked environment')
    else:
        okwhite("removing juju environment from juju config files")
        with open(expanduser("~/.juju/environments.yaml"), 'r') as config_file:
            config = yaml.load(config_file)
        if config['environments'] is not None:
            config['environments'].pop(name, None)
        with open(expanduser("~/.juju/environments.yaml"), 'w') as config_file:
            config_file.write(yaml.dump(config, default_flow_style=False))
        okwhite("removing juju environment from juju environment folder")
        if os.path.isfile(expanduser("~/.juju/environments/%s.jenv" % name)):
            os.remove(expanduser("~/.juju/environments/%s.jenv" % name))
Exemple #10
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def destroy_juju_environment(name):
    """ Destroy Juju environment and destroy Juju environment config files """
    env_conf = init_environment_config(name)
    if env_conf['locked']:
        fail('Cannot destroy locked environment')
    else:
        okwhite("removing juju environment from juju config files")
        with open(expanduser("~/.juju/environments.yaml"), 'r') as config_file:
            config = yaml.load(config_file)
        if config['environments'] is not None:
            config['environments'].pop(name, None)
        with open(expanduser("~/.juju/environments.yaml"), 'w') as config_file:
            config_file.write(yaml.dump(config, default_flow_style=False))
        okwhite("removing juju environment from juju environment folder")
        if os.path.isfile(expanduser("~/.juju/environments/%s.jenv" % name)):
            os.remove(expanduser("~/.juju/environments/%s.jenv" % name))
Exemple #11
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def create_juju(env_conf, provider_env):
    if JujuEnvironment.env_exists(env_conf['env-name']):
        fail(
            "Juju environment already exists. Remove it first with 'tengu destroy {}'"
            .format(env_conf['env-name']))
    try:
        machines = provider_env.machines
    except Exception as ex:  # pylint: disable=W0703
        fail("Could not get machines from manifest", ex)
    # Create Juju environment
    env_conf['juju-env-conf']['bootstrap-host'] = machines.pop(0)
    env_conf.save()
    wait_for_init(env_conf)
    return JujuEnvironment.create(env_conf['env-name'],
                                  env_conf['juju-env-conf']['bootstrap-host'],
                                  env_conf['juju-env-conf'], machines)
Exemple #12
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def create_juju(env_conf, provider_env):
    if JujuEnvironment.env_exists(env_conf['env-name']):
        fail("Juju environment already exists. Remove it first with 'tengu destroy {}'".format(env_conf['env-name']))
    try:
        machines = provider_env.machines
    except Exception as ex: # pylint: disable=W0703
        fail("Could not get machines from manifest", ex)
    # Create Juju environment
    env_conf['juju-env-conf']['bootstrap-host'] = machines.pop(0)
    env_conf.save()
    wait_for_init(env_conf)
    return JujuEnvironment.create(
        env_conf['env-name'],
        env_conf['juju-env-conf']['bootstrap-host'],
        env_conf['juju-env-conf'],
        machines
    )
Exemple #13
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 def __init__(self, config_path, default_path=None):
     """ Open config from config_path.
     If config does not exist, create new one from default_path
     if config_path == None, then saving config will not do anything."""
     self.config_path = config_path
     self.default_path = default_path
     if not os.path.isdir(tengu_dir()):
         os.makedirs(tengu_dir())
     if config_path is not None and os.path.isfile(self.config_path):
         src = self.config_path
     else:
         src = default_path
     try:
         with open(src, "r") as src_file:
             super(Config, self).__init__(yaml.load(src_file))
     except Exception:
         fail("failed opening config. Is there a config file at %s ?" % src)
         raise
     self.save()
Exemple #14
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def c_reset_model(modelname):
    """ Destroys the model's services and containers except for lxc-networking, network-agent and openvpn.
    if whitelist is provided, only services in whitelist will be destroyed.
    NAME: name of model
    WHITELIST: names of charms to destroy
    """
    if click.confirm(
            'Warning! This will remove all services and containers of the model "{}". Are you sure you want to continue?'
            .format(modelname)):
        env_conf = init_environment_config(modelname)
        if env_conf['locked']:
            fail('Cannot reset locked environment')
        else:
            jujuenv = JujuEnvironment(modelname)
            for servicename in jujuenv.status['services'].keys():
                if servicename not in [
                        'lxc-networking', 'network-agent', 'openvpn'
                ]:  # We should get these services from the init bundle...
                    Service(servicename, jujuenv).destroy(force=True)
Exemple #15
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 def run_command(self,
                 command_c,
                 slice_name=None,
                 rspec_path=None):
     """ runs given command for slice name and returns output.
     command_c should be an array
     """
     # Required args
     command = [self.java_path, '-jar', self.jfed_cli_path]
     command += command_c
     # Optional args
     # All optional args need to be initialized as array
     if rspec_path:
         command += ['--rspec', rspec_path]
     if slice_name:
         slice_name = 'urn:publicid:IDN+wall2.ilabt.iminds.be:' + self.project_name + '+slice+' + slice_name
         command += ['-s', slice_name]
     if self.call_log:
         command += ['--call-log', '/var/log/jfed_call_log']
     if self.key_path:
         command += ['-p', self.key_path]
         if self.password:
             command += ['-P', self.password]
     elif self.properties:
         command += ['--context-file', self.properties]
     else:
         fail("either keyfile or context file must be specified")
     if self.s4cert:
         command += ['--speaks-for', self.s4cert]
     debug("command is: `{}`".format(' '.join(command)))
     iserror = False
     try:
         output = subprocess.check_output(command, stderr=subprocess.STDOUT)
     except subprocess.CalledProcessError as ex:
         output = ex.output
         iserror = True
     print "DEBUG: output = {}".format(output)
     return parse_output(output, iserror)
Exemple #16
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 def destroy(self):  # pylint:disable=W0613,R0201
     if self.locked:
         fail('Cannot destroy locked model')
     else:
         print('Destroying Juju powered environment')
Exemple #17
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 def reload(self):  # pylint:disable=W0613,R0201
     if self.locked:
         fail('Cannot reload locked model')
     else:
         self.destroy()