Add ip and mac valid check functionality

Change-Id: I5b560b2ed75036e72e51dfe1ee79c4ff6123e24e
Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

1 files changed, 155 insertions, 0 deletions

diff --git a/util/check_valid.py b/util/check_valid.py
new file mode 100644
index 00000000..87cd57ed
--- /dev/null
+++ b/util/check_valid.py
@@ -0,0 +1,155 @@
+import re
+import os
+import yaml
+import sys
+import traceback
+
+
+def load_file(file):
+    with open(file) as fd:
+        try:
+            return yaml.load(fd)
+        except:
+            traceback.print_exc()
+            return None
+
+
+def err_print(info):
+    print '\033[0;31m%s\033[0m' % info
+
+
+def is_valid_ip(ip):
+    """return True if the given string is a well-formed IP address
+       currently only support IPv4
+    """
+    if not ip:
+        return False
+    res = re.search(
+        "^(0?\d{1,2}|1\d\d|2[0-4]\d|25[0-5])(\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])){3}(\/(\d|[1-2]\d|3[0-2]))?$",
+        ip) is not None
+    return res
+
+
+def is_valid_mac(mac):
+    """return True if the given string is a well-formed MAC address
+    """
+    if not mac:
+        return False
+    res = re.search("^([a-zA-Z0-9]{2}:){5}[a-zA-Z0-9]{2}$", mac) is not None
+    return res
+
+
+def check_network_file(network):
+    invalid = False
+    for i in network['ip_settings']:
+        if not is_valid_ip(i['cidr']):
+            err_print('''invalid address:
+                ip_settings:
+                  - name: %s
+                    cidr: %s''' % (i['name'], i['cidr']))
+            invalid = True
+        if not is_valid_ip(i['ip_ranges'][0][0]):
+            err_print('''invalid address:
+                ip_settings:
+                  - name: %s
+                    ip_ranges:
+                    - - %s''' % (i['name'], i['ip_ranges'][0][0]))
+            invalid = True
+        if not is_valid_ip(i['ip_ranges'][0][1]):
+            err_print('''invalid address:
+                ip_settings:
+                  - name: %s
+                    ip_ranges:
+                    - %s''' % (i['name'], i['ip_ranges'][0][1]))
+            invalid = True
+        if i['name'] == 'external' and not is_valid_ip(i['gw']):
+            err_print(i['gw'])
+            err_print('''invalid address:
+                ip_settings:
+                  - name: %s
+                    gw: %s''' % (i['name'], i['gw']))
+            invalid = True
+
+    for i in network['public_net_info'].keys():
+        if i in ('external_gw', 'floating_ip_cidr',
+                 'floating_ip_start', 'floating_ip_end'):
+            if not is_valid_ip(network['public_net_info'][i]):
+                err_print('''invalid address:
+                public_net_info:
+                  %s: %s''' % (i, network['public_net_info'][i]))
+                invalid = True
+
+    if not invalid:
+        return True
+    else:
+        return False
+
+
+def check_dha_file(dha):
+    invalid = False
+    if dha['TYPE'] == 'baremetal':
+        for i in dha['hosts']:
+            if not is_valid_mac(i['mac']):
+                err_print('''invalid address:
+                hosts:
+                 - name: %s
+                   mac: %s''' % (i['name'], i['mac']))
+                invalid = True
+            for j in i['interfaces']:
+                if not is_valid_mac(j.values()[0]):
+                    err_print('''invalid address:
+                    hosts:
+                        - name: %s
+                          interfaces:
+                            - %s: %s''' % (i['name'], j.keys()[0], j.values()[0]))
+                    invalid = True
+            if not is_valid_ip(i['ipmiIp']):
+                err_print('''invalid address:
+                hosts:
+                 - name: %s
+                   ipmiIp: %s''' % (i['name'], i['ipmiIp']))
+                invalid = True
+
+    if not invalid:
+        return True
+    else:
+        return False
+
+if __name__ == "__main__":
+
+    has_invalid = False
+
+    if len(sys.argv) != 3:
+        err_print('input file error')
+        sys.exit(1)
+
+    _, dha_file, network_file = sys.argv
+
+    if not os.path.exists(dha_file):
+        err_print("DHA file doesn't exit")
+        sys.exit(1)
+    else:
+        dha = load_file(dha_file)
+        if not dha:
+            err_print('format error in DHA: %s' % dha_file)
+            has_invalid = True
+        else:
+            if not check_dha_file(dha):
+                err_print('in DHA: %s' % dha_file)
+                has_invalid = True
+
+    if not os.path.exists(network_file):
+        err_print("NETWORK file doesn't exit")
+        sys.exit(1)
+    else:
+        network = load_file(network_file)
+        if not network:
+            err_print('format error in NETWORK: %s' % network_file)
+            has_invalid = True
+        else:
+            if not check_network_file(network):
+                err_print('in NETWORK: %s' % network_file)
+                has_invalid = True
+
+    if has_invalid:
+        sys.exit(1)