def convert_example():
data = {
"op":
"OR",
"content": [
{
"op": "eq",
"field": "host.id",
"value": "hello"
},
{
"op": "not_eq",
"field": "host.label",
"value": ["db", "redis"]
},
],
}
# sql expression
from iam.contrib.converter.sql import SQLConverter
expr = make_expression(data)
print("the expression:", expr.expr())
s = SQLConverter()
print("to sql where: ", s.convert(data))
print_spearator()
# django expression
from iam.contrib.converter.queryset import DjangoQuerySetConverter
s = DjangoQuerySetConverter()
expr = make_expression(data)
print("the expression:", expr.expr())
print("to django queryset:", s.convert(data))
def test_make_expression():
d = {"op": "eq", "field": "host.id", "value": "a1"}
expr = make_expression(d)
assert expr.expr() == "(host.id eq 'a1')"
d1 = ObjectSet()
d1.add_object("host", {"id": "a1", "name": "b1"})
assert expr.eval(d1)
def test_make_expression_or():
d = {
"op":
"OR",
"content": [
{
"op": "eq",
"field": "host.id",
"value": "a1"
},
{
"op": "eq",
"field": "host.name",
"value": "b1"
},
],
}
expr = make_expression(d)
assert expr.expr() == "((host.id eq 'a1') OR (host.name eq 'b1'))"
d1 = ObjectSet()
d1.add_object("host", {"id": "a1", "name": "b1"})
assert expr.eval(d1)
def eval_exmaple():
# create a resource, type is host
h = {"id": "hello"}
host = DictObject(h)
print("host.id =", host.id)
print("host.notexists =", host.notexists)
# create a resource, type is module
class Module(object):
pass
m = Module()
m.id = "world"
module = DictObject(m)
print("module.id =", module.id)
print("module.notexists =", module.notexists)
print_spearator()
# make a object set contains two resource type
s = ObjectSet()
s.add_object("host", host)
s.add_object("module", module)
print("object_set host.id", s.get("host.id"))
print("object_set host.id", s.get("host.notexists"))
print("object_set module.id", s.get("module.id"))
print("object_set module.id", s.get("module.notexists"))
print("object_set cluster.id", s.get("cluster.id"))
print_spearator()
# define a policy
data = {
"op":
"OR",
"content": [
{
"op": "eq",
"field": "host.id",
"value": "hello"
},
{
"op": "not_eq",
"field": "module.id",
"value": "world"
},
],
}
# make a policy expression
expr = make_expression(data)
print("the expression:", expr.expr())
print("the expression render:", expr.render(s))
print("the eval result:", expr.eval(s))
print_spearator()
data1 = {
"op": "eq",
"field": "host.id",
"value": "hello",
}
expr1 = make_expression(data1)
print("the expression:", expr1.expr())
print("the expression render:", expr1.render(s))
print("the eval result:", expr1.eval(s))
print_spearator()
data1 = {
"op": "not_eq",
"field": "host.id",
"value": "hello",
}
expr1 = make_expression(data1)
print("the expression:", expr1.expr())
print("the expression render:", expr1.render(s))
print("the eval result:", expr1.eval(s))