def get_node_ips_from_module(module):
"""
Fetches the node IP's in cluster from terraform state file
Args:
module (str): Module name in terraform.tfstate file
e.g: constants.COMPUTE_MODULE
Returns:
list: List of module node IP's
"""
terraform_state_file = os.path.join(
config.ENV_DATA['cluster_path'],
"terraform_data",
"terraform.tfstate"
)
if not os.path.isfile(terraform_state_file):
raise FileNotFoundError(
errno.ENOENT,
os.strerror(errno.ENOENT),
terraform_state_file
)
ip_address = get_module_ip(
terraform_state_file,
module
)
return ip_address
def create_inventory_for_haproxy(self):
"""
Creates the inventory file for haproxy
Returns:
str: Path to inventory file for haproxy
"""
inventory_data_haproxy = {}
inventory_data_haproxy['ssh_key_private'] = self.ssh_key_pem
inventory_data_haproxy['platform'] = config.ENV_DATA['platform']
inventory_data_haproxy['rhel_worker_nodes'] = self.rhel_worker_nodes
lb_address = get_module_ip(
self.terraform_state_file,
constants.LOAD_BALANCER_MODULE
)
control_plane_address = get_module_ip(
self.terraform_state_file,
constants.CONTROL_PLANE
)
compute_address = get_module_ip(
self.terraform_state_file,
constants.COMPUTE_MODULE
)
inventory_data_haproxy['lb'] = lb_address
inventory_data_haproxy['masters'] = control_plane_address
inventory_data_haproxy['workers'] = compute_address
logger.info("Generating inventory file for haproxy")
_templating = Templating()
inventory_template_path_haproxy = os.path.join(
"ocp-deployment", constants.INVENTORY_TEMPLATE_HAPROXY
)
inventory_config_haproxy_str = _templating.render_template(
inventory_template_path_haproxy, inventory_data_haproxy
)
inventory_yaml_haproxy = os.path.join(
self.cluster_path,
constants.TERRAFORM_DATA_DIR,
constants.INVENTORY_FILE_HAPROXY
)
logger.debug(f"inventory contents for haproxy: {inventory_config_haproxy_str}")
logger.debug(f"inventory yaml: {inventory_yaml_haproxy}")
with open(inventory_yaml_haproxy, "w") as f:
f.write(inventory_config_haproxy_str)
return inventory_yaml_haproxy
def remove_boostrap_in_proxy(self):
"""
Removes bootstrap IP from haproxy.conf
"""
bootstrap_ip = get_module_ip(self.terraform_state_file,
constants.BOOTSTRAP_MODULE)[0]
# backup the conf file
cmd = (f"sudo cp {constants.HAPROXY_LOCATION}"
f" {constants.HAPROXY_LOCATION}_backup")
self.lb.exec_cmd(cmd)
# remove bootstrap IP
cmd = f"sudo sed -i '/{bootstrap_ip}/d' {constants.HAPROXY_LOCATION}"
self.lb.exec_cmd(cmd)
def _get_host(self):
"""
Fetches the Host/IP address from terraform.tfstate file
Returns:
str: IP Address of load balancer
"""
self.terraform_state_file = os.path.join(
config.ENV_DATA["cluster_path"], "terraform_data",
"terraform.tfstate")
if not os.path.isfile(self.terraform_state_file):
raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT),
self.terraform_state_file)
ip_address = get_module_ip(self.terraform_state_file,
constants.LOAD_BALANCER_MODULE)
return ip_address[0]