def render_bosh_manifest()

in application-workloads/bosh/bosh-cf-crossregion/scripts/setup_env.py [0:0]

• 40 lines of code
• 4 McCabe index (conditional complexity)

def render_bosh_manifest(settings):
    with open('bosh.pub', 'r') as tmpfile:
        ssh_public_key = tmpfile.read()

    ip = netaddr.IPNetwork(settings['SUBNET_ADDRESS_RANGE_FOR_BOSH'])
    gateway_ip = str(ip[1])
    bosh_director_ip = str(ip[4])
    
    # Render the manifest for bosh-init
    bosh_template = 'bosh.yml'
    if os.path.exists(bosh_template):
        with open(bosh_template, 'r') as tmpfile:
            contents = tmpfile.read()
        keys = [
            "SUBNET_ADDRESS_RANGE_FOR_BOSH",
            "VNET_NAME",
            "SUBNET_NAME_FOR_BOSH",
            "SUBSCRIPTION_ID",
            "DEFAULT_STORAGE_ACCOUNT_NAME",
            "RESOURCE_GROUP_NAME",
            "KEEP_UNREACHABLE_VMS",
            "TENANT_ID",
            "CLIENT_ID",
            "CLIENT_SECRET",
            "BOSH_PUBLIC_IP",
            "NSG_NAME_FOR_BOSH",
            "BOSH_RELEASE_URL",
            "BOSH_RELEASE_SHA1",
            "BOSH_AZURE_CPI_RELEASE_URL",
            "BOSH_AZURE_CPI_RELEASE_SHA1",
            "STEMCELL_URL",
            "STEMCELL_SHA1",
            "ENVIRONMENT"
        ]
        for k in keys:
            v = settings[k]
            contents = re.compile(re.escape("REPLACE_WITH_{0}".format(k))).sub(str(v), contents)
        contents = re.compile(re.escape("REPLACE_WITH_SSH_PUBLIC_KEY")).sub(ssh_public_key, contents)
        contents = re.compile(re.escape("REPLACE_WITH_GATEWAY_IP")).sub(gateway_ip, contents)
        contents = re.compile(re.escape("REPLACE_WITH_BOSH_DIRECTOR_IP")).sub(bosh_director_ip, contents)
        with open(bosh_template, 'w') as tmpfile:
            tmpfile.write(contents)

    return bosh_director_ip