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  • Committer: Shiva Prasad Rao
  • Date: 2014-08-27 23:27:48 UTC
  • Revision ID: shivrao@cisco.com-20140827232748-4hr02ge6vtbrep8y
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hooks/config_changed.py
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#!/usr/bin/env python
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# config-changed occurs everytime a new configuration value is updated (juju set)
 
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# config-changed occurs everytime a new configuration
 
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# value is updated (juju set)
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import subprocess
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import socket
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    host_conf = common.get_host_specific_config(hostname)
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    with open('data.yaml', 'r') as f:
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        temp = f.read()
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        n1kv_conf_data = yaml.load(temp, Loader=yaml.loader.BaseLoader)
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        if (config('n1kv-source') != n1kv_conf_data["n1kv_conf"]["n1kv-source"]) or (config('n1kv-version') != n1kv_conf_data["n1kv_conf"]["n1kv-version"]):
 
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        data = yaml.load(temp, Loader=yaml.loader.BaseLoader)
 
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        if ((config('n1kv-source') != data["n1kv_conf"]["n1kv-source"]) or
 
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            (config('n1kv-version') != data["n1kv_conf"]["n1kv-version"])):
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            subprocess.call("hooks/install")
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        n1kv_conf_data["n1kv_conf"]["n1kv-source"] = config('n1kv-source')
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        n1kv_conf_data["n1kv_conf"]["n1kv-version"] = config('n1kv-version')
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        if (n1kv_conf_data["n1kv_conf"]["vsm_conf_from_rel"] == "false"):
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            n1kv_conf_data["n1kv_conf"]["n1kv-vsm-ip"] = host_conf['n1kv-vsm-ip']
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            n1kv_conf_data["n1kv_conf"]["n1kv-vsm-domain-id"] = host_conf['n1kv-vsm-domain-id']
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        n1kv_conf_data["n1kv_conf"]["host_mgmt_intf"] = host_conf['host_mgmt_intf']
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        n1kv_conf_data["n1kv_conf"]["uplink_profile"] = host_conf['uplink_profile']
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        n1kv_conf_data["n1kv_conf"]["node_type"] = host_conf['node_type']
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        n1kv_conf_data["n1kv_conf"]["vtep_in_same_subnet"] = host_conf['vtep_in_same_subnet']
 
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        data["n1kv_conf"]["n1kv-source"] = config('n1kv-source')
 
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        data["n1kv_conf"]["n1kv-version"] = config('n1kv-version')
 
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        if (data["n1kv_conf"]["vsm_conf_from_rel"] == "false"):
 
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            data["n1kv_conf"]["n1kv-vsm-ip"] = host_conf['n1kv-vsm-ip']
 
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            data["n1kv_conf"]["n1kv-vsm-domain-id"] = \
 
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                host_conf['n1kv-vsm-domain-id']
 
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        data["n1kv_conf"]["host_mgmt_intf"] = host_conf['host_mgmt_intf']
 
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        data["n1kv_conf"]["uplink_profile"] = host_conf['uplink_profile']
 
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        data["n1kv_conf"]["node_type"] = host_conf['node_type']
 
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        data["n1kv_conf"]["vtep_in_same_subnet"] = \
 
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            host_conf['vtep_in_same_subnet']
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        if 'vtep_config' in host_conf:
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            n1kv_conf_data["n1kv_conf"]["vtep_config"] = host_conf['vtep_config']
 
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            data["n1kv_conf"]["vtep_config"] = host_conf['vtep_config']
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    with open('data.yaml', 'w') as f:
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        f.write(yaml.dump(n1kv_conf_data, default_flow_style=True))
 
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        f.write(yaml.dump(data, default_flow_style=True))
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    if n1kv_conf_data["n1kv_conf"]["vtep_in_same_subnet"] == "yes":
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        #if not os.path.isfile("/etc/sysctl.d/60-n1kv.conf"):
 
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    if data["n1kv_conf"]["vtep_in_same_subnet"] == "yes":
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        f = open("/etc/sysctl.d/60-n1kv.conf", 'w')
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        f.writelines(["net.ipv4.conf.default.rp_filter=2\n", "net.ipv4.conf.all.rp_filter=2\n", "net.ipv4.conf.default.arp_ignore=1\n", "net.ipv4.conf.all.arp_ignore=1\n", "net.ipv4.conf.all.arp_announce=2\n", "net.ipv4.conf.default.arp_announce=2\n"])
 
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        f.writelines(["net.ipv4.conf.default.rp_filter=2\n",
 
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                      "net.ipv4.conf.all.rp_filter=2\n",
 
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                      "net.ipv4.conf.default.arp_ignore=1\n",
 
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                      "net.ipv4.conf.all.arp_ignore=1\n",
 
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                      "net.ipv4.conf.all.arp_announce=2\n",
 
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                      "net.ipv4.conf.default.arp_announce=2\n"])
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        f.close()
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        subprocess.call(["sysctl", "-p", "/etc/sysctl.d/60-n1kv.conf"])
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    common.update_n1kv_config()
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    #Enable all required uplink on the host (ifconfig <interface> up)
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    common.enable_uplink(n1kv_conf_data["n1kv_conf"]["uplink_profile"])
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    common.enable_uplink(n1kv_conf_data["n1kv_conf"]["vtep_config"])
 
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    common.enable_uplink(data["n1kv_conf"]["uplink_profile"])
 
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    common.enable_uplink(data["n1kv_conf"]["vtep_config"])
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if __name__ == '__main__':