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from ansible import errors, runner
import json
import pdb
def oo_pdb(arg):
''' This pops you into a pdb instance where arg is the data passed in from the filter.
Ex: "{{ hostvars | oo_pdb }}"
'''
pdb.set_trace()
return arg
def oo_len(arg):
''' This returns the length of the argument
Ex: "{{ hostvars | oo_len }}"
'''
return len(arg)
def get_attr(data, attribute=None):
''' This looks up dictionary attributes of the form a.b.c and returns the value.
Ex: data = {'a': {'b': {'c': 5}}}
attribute = "a.b.c"
returns 5
'''
if not attribute:
raise errors.AnsibleFilterError("|failed expects attribute to be set")
ptr = data
for attr in attribute.split('.'):
ptr = ptr[attr]
return ptr
def oo_collect(data, attribute=None):
''' This takes a list of dict and collects all attributes specified into a list
Ex: data = [ {'a':1,'b':5}, {'a':2}, {'a':3} ]
attribute = 'a'
returns [1, 2, 3]
'''
if not issubclass(type(data), list):
raise errors.AnsibleFilterError("|failed expects to filter on a List")
if not attribute:
raise errors.AnsibleFilterError("|failed expects attribute to be set")
retval = [get_attr(d, attribute) for d in data]
return retval
def oo_select_keys(data, keys):
''' This returns a list, which contains the value portions for the keys
Ex: data = { 'a':1, 'b':2, 'c':3 }
keys = ['a', 'c']
returns [1, 3]
'''
if not issubclass(type(data), dict):
raise errors.AnsibleFilterError("|failed expects to filter on a Dictionary")
if not issubclass(type(keys), list):
raise errors.AnsibleFilterError("|failed expects first param is a list")
# Gather up the values for the list of keys passed in
retval = [data[key] for key in keys]
return retval
class FilterModule (object):
def filters(self):
return {
"oo_select_keys": oo_select_keys,
"oo_collect": oo_collect,
"oo_len": oo_len,
"oo_pdb": oo_pdb
}
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