A library and tool for creating Google Cloud Platform Deployment Manager templates.
Stratosphere is inspired by Troposphere for AWS.
- Lets you write pure python
- Includes property and type validation
- Interacts directly with the GCP Deployment Manager API without having to use the clunky gcloud CLI
- Highly opinionated about naming to enforce consistent naming across deployments
Git clone this repository, then:
# python setup.py install
You'll need to get a valid OAuth auth JSON file to interact with the GCP DM API. This is most easily done by just installing the GCP API Client Library for Python.
See the example_templates directory for how to build a template.
$ stratosphere --project [MyGCPProject] --env dev --action template ./example_templates/networks.py
resources:
- name: dev-network
properties: {autoCreateSubnetworks: false, description: dev-networks - MultiAZ Network}
type: compute.v1.network
- name: dev-us-central1-b-subnetwork
properties: {description: dev - us-central1-b Subnetwork, ipCidrRange: 10.100.0.0/20,
network: $(ref.dev-network.selfLink), region: us-central1}
type: compute.v1.subnetworks
- name: dev-us-central1-c-subnetwork
properties: {description: dev - us-central1-c Subnetwork, ipCidrRange: 10.100.16.0/20,
network: $(ref.dev-network.selfLink), region: us-central1}
type: compute.v1.subnetworks
- name: dev-us-central1-f-subnetwork
properties: {description: dev - us-central1-f Subnetwork, ipCidrRange: 10.100.32.0/20,
network: $(ref.dev-network.selfLink), region: us-central1}
type: compute.v1.subnetworks
This reads the networks.py template and generates a valid Google Compute Engine Deployment Manager YAML config, reading values from a constants.py that is shared across your deployments.
Stratosphere resources know about required parameters, so if you define a resource that is missing a parameter or has an invalid field, you'll get an error like this (without having to wait for the Deployment Manager error).
Firewall(
name='{}-ssh'.format(self.env),
network="projects/{}/global/networks/{}".format(names.project, names.networkName),
allowed=[
FirewallAllowedPorts(
IPProtocol=FirewallAllowedPorts.TCP,
ports=[
'22'
]
),
]
)
Results in this error:
ValueError: Either sourceRanges or sourceTags must be defined
for subnetwork in constants.ENV[self.env]['subnetworks']:
self.add_resource(
Subnetwork(
name='SUBNETWORk-{}'.format(names.subnetworkName(subnetwork['zone'])),
region=names.zone_to_region(subnetwork['zone']),
description='{} - {} Subnetwork'.format(names.networkName, subnetwork['zone']),
ipCidrRange=subnetwork['cidr'],
network=network.Ref
)
)
Results in this error (only lowercase characters are allowed in names):
TypeError: <class 'stratosphere.compute.Subnetwork'>: name is SUBNETWORk-mynetwork-us-central1-b-subnetwork, expected values defined in function:
@staticmethod
def name(name):
return ResourceValidators.regex_match('^(?:[a-z](?:[-a-z0-9]{0,61}[a-z0-9])?)$', name)
Apache 2.0 - See LICENSE for more information.
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