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import os
import yaml
import sys
from Cheetah.Template import Template
def init(file):
with open(file) as fd:
return yaml.load(fd)
def decorator(func):
def wrapter(s, seq):
host_list = s.get('hosts', [])
result = []
for host in host_list:
s = func(s, seq, host)
if not s:
continue
result.append(s)
if len(result) == 0:
return ""
else:
return "\"" + seq.join(result) + "\""
return wrapter
@decorator
def hostnames(s, seq, host=None):
return host.get('name', '')
@decorator
def hostroles(s, seq, host=None):
return "%s=%s" % (host.get('name', ''), ','.join(host.get('roles', [])))
@decorator
def hostmacs(s, seq, host=None):
return host.get('mac', '')
def export_config_file(s, config_file, conf_dir, ofile):
env = {}
env.update(s)
if env.get('hosts', []):
env.pop('hosts')
env.update({'TYPE': s.get('TYPE', "virtual")})
env.update({'FLAVOR': s.get('FLAVOR', "cluster")})
env.update({'HOSTNAMES': hostnames(s, ',')})
env.update({'HOST_ROLES': hostroles(s, ';')})
env.update({'DHA': config_file})
value = hostmacs(s, ',')
if len(value) > 0:
env.update({'HOST_MACS': value})
os.system("echo \#config file deployment parameter > %s" % ofile)
for k, v in env.items():
os.system("echo 'export %s=${%s:-%s}' >> %s" % (k, k, v, ofile))
def export_reset_file(s, tmpl_dir, output_dir, output_file):
tmpl_file_name = s.get('POWER_TOOL', '')
if not tmpl_file_name:
return
tmpl = Template(file=os.path.join(tmpl_dir,'power', tmpl_file_name + '.tmpl'), searchList=s)
reset_file_name = os.path.join(output_dir, tmpl_file_name + '.sh')
with open(reset_file_name, 'w') as f:
f.write(tmpl.respond())
os.system("echo 'export POWER_MANAGE=%s' >> %s" % (reset_file_name, output_file))
if __name__ == "__main__":
if len(sys.argv) != 6:
print("parameter wrong%d %s" % (len(sys.argv), sys.argv))
sys.exit(1)
_, config_file, conf_dir, tmpl_dir, output_dir, output_file = sys.argv
if not os.path.exists(config_file):
print("%s is not exist" % config_file)
sys.exit(1)
data = init(config_file)
export_config_file(data, config_file, conf_dir, os.path.join(output_dir, output_file))
export_reset_file(data, tmpl_dir, output_dir, os.path.join(output_dir, output_file))
sys.exit(0)
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