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-rwxr-xr-xsrc/op_mode/ping.py90
1 files changed, 73 insertions, 17 deletions
diff --git a/src/op_mode/ping.py b/src/op_mode/ping.py
index 60bbc0c78..5e5b95a0a 100755
--- a/src/op_mode/ping.py
+++ b/src/op_mode/ping.py
@@ -18,6 +18,32 @@ import os
import sys
import socket
import ipaddress
+import json
+from vyos.util import cmd, rc_cmd
+from vyos.ifconfig import Section
+
+
+def interface_list() -> list:
+ """
+ Get list of interfaces in system
+ :rtype: list
+ """
+ return Section.interfaces()
+
+
+def vrf_list() -> list:
+ """
+ Get list of VRFs in system
+ :rtype: list
+ """
+ result = cmd(f'sudo ip --json --brief link show type vrf')
+ data = json.loads(result)
+ vrflist: list = []
+ for o in data:
+ if 'ifname' in o:
+ vrflist.append(o['ifname'])
+ return vrflist
+
options = {
'audible': {
@@ -63,6 +89,7 @@ options = {
'interface': {
'ping': '{command} -I {value}',
'type': '<interface>',
+ 'helpfunction': interface_list,
'help': 'Source interface'
},
'interval': {
@@ -128,6 +155,7 @@ options = {
'ping': 'sudo ip vrf exec {value} {command}',
'type': '<vrf>',
'help': 'Use specified VRF table',
+ 'helpfunction': vrf_list,
'dflt': 'default',
},
'verbose': {
@@ -142,20 +170,33 @@ ping = {
}
-class List (list):
- def first (self):
+class List(list):
+ def first(self):
return self.pop(0) if self else ''
def last(self):
return self.pop() if self else ''
- def prepend(self,value):
- self.insert(0,value)
+ def prepend(self, value):
+ self.insert(0, value)
+
+
+def completion_failure(option: str) -> None:
+ """
+ Shows failure message after TAB when option is wrong
+ :param option: failure option
+ :type str:
+ """
+ sys.stderr.write('\n\n Invalid option: {}\n\n'.format(option))
+ sys.stdout.write('<nocomps>')
+ sys.exit(1)
def expension_failure(option, completions):
reason = 'Ambiguous' if completions else 'Invalid'
- sys.stderr.write('\n\n {} command: {} [{}]\n\n'.format(reason,' '.join(sys.argv), option))
+ sys.stderr.write(
+ '\n\n {} command: {} [{}]\n\n'.format(reason, ' '.join(sys.argv),
+ option))
if completions:
sys.stderr.write(' Possible completions:\n ')
sys.stderr.write('\n '.join(completions))
@@ -196,28 +237,44 @@ if __name__ == '__main__':
if host == '--get-options':
args.first() # pop ping
args.first() # pop IP
+ usedoptionslist = []
while args:
- option = args.first()
-
- matched = complete(option)
+ option = args.first() # pop option
+ matched = complete(option) # get option parameters
+ usedoptionslist.append(option) # list of used options
+ # Select options
if not args:
+ # remove from Possible completions used options
+ for o in usedoptionslist:
+ if o in matched:
+ matched.remove(o)
sys.stdout.write(' '.join(matched))
sys.exit(0)
- if len(matched) > 1 :
+ if len(matched) > 1:
sys.stdout.write(' '.join(matched))
sys.exit(0)
+ # If option doesn't have value
+ if matched:
+ if options[matched[0]]['type'] == 'noarg':
+ continue
+ else:
+ # Unexpected option
+ completion_failure(option)
- if options[matched[0]]['type'] == 'noarg':
- continue
-
- value = args.first()
+ value = args.first() # pop option's value
if not args:
matched = complete(option)
- sys.stdout.write(options[matched[0]]['type'])
+ helplines = options[matched[0]]['type']
+ # Run helpfunction to get list of possible values
+ if 'helpfunction' in options[matched[0]]:
+ result = options[matched[0]]['helpfunction']()
+ if result:
+ helplines = '\n' + ' '.join(result)
+ sys.stdout.write(helplines)
sys.exit(0)
- for name,option in options.items():
+ for name, option in options.items():
if 'dflt' in option and name not in args:
args.append(name)
args.append(option['dflt'])
@@ -234,8 +291,7 @@ if __name__ == '__main__':
except ValueError:
sys.exit(f'ping: Unknown host: {host}')
- command = convert(ping[version],args)
+ command = convert(ping[version], args)
# print(f'{command} {host}')
os.system(f'{command} {host}')
-