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Copy pathEC2Conditions.py
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98 lines (90 loc) · 2.16 KB
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from __future__ import print_function
from troposphere import (
Template, Parameter, Ref, Condition, Equals, And, Or, Not, If
)
from troposphere import ec2
parameters = {
"One": Parameter(
"One",
Type="String",
),
"Two": Parameter(
"Two",
Type="String",
),
"Three": Parameter(
"Three",
Type="String",
),
"Four": Parameter(
"Four",
Type="String",
),
"SshKeyName": Parameter(
"SshKeyName",
Type="String",
)
}
conditions = {
"OneEqualsFoo": Equals(
Ref("One"),
"Foo"
),
"NotOneEqualsFoo": Not(
Condition("OneEqualsFoo")
),
"BarEqualsTwo": Equals(
"Bar",
Ref("Two")
),
"ThreeEqualsFour": Equals(
Ref("Three"),
Ref("Four")
),
"OneEqualsFooOrBarEqualsTwo": Or(
Condition("OneEqualsFoo"),
Condition("BarEqualsTwo")
),
"OneEqualsFooAndNotBarEqualsTwo": And(
Condition("OneEqualsFoo"),
Not(Condition("BarEqualsTwo"))
),
"OneEqualsFooAndBarEqualsTwoAndThreeEqualsPft": And(
Condition("OneEqualsFoo"),
Condition("BarEqualsTwo"),
Equals(Ref("Three"), "Pft")
),
"OneIsQuzAndThreeEqualsFour": And(
Equals(Ref("One"), "Quz"),
Condition("ThreeEqualsFour")
),
"LaunchInstance": And(
Condition("OneEqualsFoo"),
Condition("NotOneEqualsFoo"),
Condition("BarEqualsTwo"),
Condition("OneEqualsFooAndNotBarEqualsTwo"),
Condition("OneIsQuzAndThreeEqualsFour")
),
"LaunchWithGusto": And(
Condition("LaunchInstance"),
Equals(Ref("One"), "Gusto")
)
}
resources = {
"Ec2Instance": ec2.Instance(
"Ec2Instance",
Condition="LaunchInstance",
ImageId=If("ConditionNameEqualsFoo", "ami-12345678", "ami-87654321"),
InstanceType="t1.micro",
KeyName=Ref("SshKeyName"),
SecurityGroups=["default"],
)
}
t = Template()
for p in parameters.values():
t.add_parameter(p)
for k in conditions:
t.add_condition(k, conditions[k])
for r in resources.values():
t.add_resource(r)
print(t.to_json())