def check_available():
available_instances = dict()
for cloud_name, cloud_instance in Cloud._cloud_instances.items():
if cloud_instance.is_available():
Log.debug("{0} cloud is available".format(cloud_name))
available_instances[cloud_name] = cloud_instance
else:
Log.warning(
"{0} cloud was enabled but did not pass availability tests"
.format(cloud_name))
Cloud._cloud_instances = available_instances
def collect(self):
Log.debug('Checking kubectl is installed correctly...')
response, status = OSCommand.run2("command -v kubectl")
if status == 0:
Log.info("Looking good... Found kubectl")
self.operation = Validator.OPERATION_OK
else:
self.operation = Validator.OPERATION_INSTALL
Log.error(
"You will need to have kubectl installed on this machine.")
Log.error(
"To install kubectl please see: https://kubernetes.io/docs/tasks/tools/install-kubectl/"
)
def install_cloud(self):
print("")
Cloud.initialize(self._prompts)
cloud_names = Cloud.get_cloud_names()
if len(cloud_names) == 0:
Log.warning(
"There are no supported cloud providers found in this bootstrapper application"
)
return False
Log.info(
"If you are installing in a cloud provider, we can help you create your kubernetes environment.",
True)
Log.info(
"ATTENTION: Cloud Environment installation is provided AS IS with no support.",
True)
Log.info(
"Work with your IT Team to help create kubernetes environments with the security and reliability features that suit your enterprise needs.",
True)
create = self._prompts.prompt_boolean(
"Do you want to create a kubernetes environment in the Cloud?",
False,
key_name="CLOUD_ENV")
if not create:
Log.info("Not building cloud environment")
return False
# Check the availability of each enabled cloud provider
Cloud.check_available()
cloud_names = Cloud.get_cloud_names()
if len(cloud_names) == 0:
Log.warning(
"Some clouds were enabled but necessary modules that support these clouds are not available"
)
BootstrapBase.exit_application(7)
choice = self._prompts.prompt_choices("Choose a cloud provider",
Cloud.get_cloud_names(),
key_name="CLOUD_PROVIDER")
Log.info("Using cloud provider {0}".format(choice))
self.cloud_instance = Cloud.get_instance(choice)
Log.debug("Using cloud instance {0}".format(str(self.cloud_instance)))
Log.info("Building {0} cloud k8s...".format(choice))
self.cloud_instance.build_cloud()
Log.info("Created {0} cloud k8s".format(choice))
self.cloud_created = True
return True
def collect(self):
Log.debug('Checking for oc (OpenShift CLI) installation...')
response, status = OSCommand.run2("command -v oc")
if status == 0:
Log.info("Looking good... Found oc (OpenShift CLI) installed",
True)
self.operation = Validator.OPERATION_OK
else:
self.operation = Validator.OPERATION_NONE
Log.error(
"You will need to have oc (OpenShift CLI) installed on this machine."
)
Log.error(
"To install oc please see: https://docs.openshift.com/container-platform/3.11/cli_reference/get_started_cli.html"
)
def create_disks_and_attach(self, node):
# Create a disk list
disk_list = ""
for i in range(0, self.disks):
disk_list += "{0}-disk-{1} ".format(node, i)
Log.info(
"Creating and attaching disk(s) for node {0}. One moment...".
format(node), True)
result, status = self.invoke_gcloud(
"compute disks create --size {0}GB --type pd-ssd --project {1} --zone {2} {3}"
.format(self.block_disk_size, self.project, self.zone, disk_list))
Log.info("Created {0} disk(s) for node {1}".format(self.disks, node))
Log.debug(result)
for i in range(0, self.disks):
disk_name = "{0}-disk-{1} ".format(node, i)
result, status = self.invoke_gcloud(
"compute instances attach-disk {0} --disk {1} --project {2} --zone {3}"
.format(node, disk_name, self.project, self.zone))
Log.info("Added disk {0} to node {1}".format(disk_name, node))
Log.debug(result)
result, status = self.invoke_gcloud(
"compute instances set-disk-auto-delete {0} --disk {1} --project {2} --zone {3}"
.format(node, disk_name, self.project, self.zone))
Log.info("Set set-disk-auto-delete on disk {0}".format(disk_name))
Log.debug(result)
Log.info("Created and attached disk(s) for node {0}".format(node),
True)
def write_response_file(self):
if Prompts._instance is None:
Log.debug(
'Cannot write a response file prompts are not initialized')
return
if self.mode != Prompts.RECORD_MODE:
Log.debug('Cannot write a response file when not in record mode')
return
if self.response_file.closed:
Log.warn(
'Cannot write a response file that is not opened. Response file can only be written once'
)
return
try:
sorted_keys = sorted(self.recorded_options)
for key in sorted_keys:
self.response_file.write(
'%s=%s%s' % (key, self.recorded_options[key], os.linesep))
finally:
self.response_file.close()
def collect(self):
Log.debug("Getting Python information...")
python_major, python_version = self._get_python_version()
Log.info("Python version: {0}".format(python_version))
self.results[Validator.FOUND] = True
self.results[Validator.VERSION] = python_version
if python_major == 2:
pmin = PythonValidator.PYTHON2_MIN
pmax = PythonValidator.PYTHON2_MAX
elif python_major == 3:
pmin = PythonValidator.PYTHON3_MIN
pmax = PythonValidator.PYTHON3_MAX
if python_version <= PythonValidator.PYTHON3_ERROR_MAX:
Log.error("The virtual environments created with your python version {0} are incompatible. "
"Please use Python 3.3 or greater".format(python_version))
self.operation = Validator.OPERATION_INSTALL
return
else:
Log.error("The major Python version '{0}' is not supported; Only version 2 and 3 supported".format(python_major))
self.operation = Validator.OPERATION_TOO_NEW
return
expected = "Expected versions between {0} and {1} or between {2} and {3}"\
.format(PythonValidator.PYTHON2_MIN, PythonValidator.PYTHON2_MAX,
PythonValidator.PYTHON3_MIN, PythonValidator.PYTHON3_MAX)
if python_version > pmax or python_version < pmin:
Log.warning("The Python version on this system is {0}. {1}"
.format(python_version, expected))
self.operation = Validator.OPERATION_WARNING
else:
Log.debug("The Python version on this system is compatible")
self.operation = Validator.OPERATION_OK
def run2(statements,
username=None,
use_nohup=False,
out_file=None,
in_background=False,
users_env=False):
if isinstance(statements, str):
statements = [statements]
responses = ''
status = 0
for statement in statements:
new_statement = ''
if use_nohup:
new_statement += 'nohup '
if username is not None:
new_statement += 'su '
if users_env:
new_statement += '- '
new_statement += username + ' -c \'' + statement + '\''
else:
new_statement += statement
if in_background:
if use_nohup and out_file is not None:
new_statement += ' > ' + out_file + ' 2>&1'
else:
new_statement += ' &>/dev/null'
new_statement += ' &'
Log.debug('RUN: %s' % new_statement)
process = subprocess.Popen('%s 2>&1' % new_statement,
shell=True,
stdout=subprocess.PIPE)
response = process.stdout.read()
# process.wait will only return None if the process hasn't terminated. We don't
# need to check for None here
status = process.wait()
if len(response) == 0:
response = '<no response>'
else:
# Python 3 returns byes or bytearray from the read() above
if not isinstance(response, str) and isinstance(
response, (bytes, bytearray)):
response = response.decode("UTF-8")
Log.debug('STATUS: %s' % str(status))
Log.debug('RESPONSE: %s' % response)
responses += response
if status != 0:
break
return responses, status
def initialize(prompts):
Cloud.prompts = prompts
Cloud._clouds = list()
Cloud._cloud_instances = dict()
files = os.listdir(Cloud.DIR)
Log.info("Initializing cloud support. One moment please...")
for afile in files:
full_file = os.path.join(Cloud.DIR, afile)
if not full_file.endswith(".py"):
Log.debug(
"Not inspecting: {0} because it is not a py file".format(
full_file))
continue
if not os.path.isfile(full_file):
Log.debug(
"Not inspecting: {0} because it is not a file".format(
full_file))
continue
if afile == "cloud.py" or afile == "__init__.py":
Log.debug(
"Not inspecting: {0} because it is not a file".format(
full_file))
continue
module_name = full_file[:full_file.index(".")]
file_module = imp.load_source(module_name,
os.path.join(Cloud.DIR, full_file))
class_members = inspect.getmembers(file_module, inspect.isclass)
Log.debug("class_members for file_module {0} is: {1}".format(
str(file_module), str(class_members)))
for clazz in class_members:
# if the class is of the correct subclass add it to the list of tests
if not issubclass(clazz[1], Cloud) or clazz[
1] == Cloud or clazz[1] in Cloud._clouds:
continue
Cloud._clouds.append(clazz[1])
instance = clazz[1]()
name = instance.get_name()
if instance.is_enabled():
Cloud._cloud_instances[name] = instance
Log.debug(
"Cloud {0} was added to list because it is enabled".
format(name))
else:
Log.debug(
"Cloud {0} was not added to list because it is not enabled"
.format(name))
Log.debug("There were {0} cloud providers found".format(
len(Cloud._clouds)))