73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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import requests
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from cloudevents.http import CloudEvent, to_binary, to_structured
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resp = requests.get(
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"https://raw.githubusercontent.com/cncf/artwork/master/projects/cloudevents/horizontal/color/cloudevents-horizontal-color.png"
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)
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image_bytes = resp.content
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def send_binary_cloud_event(url: str):
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# Create cloudevent
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attributes = {
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"type": "com.example.string",
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"source": "https://example.com/event-producer",
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}
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event = CloudEvent(attributes, image_bytes)
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# Create cloudevent HTTP headers and content
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headers, body = to_binary(event)
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# Send cloudevent
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requests.post(url, headers=headers, data=body)
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print(f"Sent {event['id']} of type {event['type']}")
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def send_structured_cloud_event(url: str):
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# Create cloudevent
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attributes = {
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"type": "com.example.base64",
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"source": "https://example.com/event-producer",
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}
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event = CloudEvent(attributes, image_bytes)
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# Create cloudevent HTTP headers and content
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# Note that to_structured will create a data_base64 data field in
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# specversion 1.0 (default specversion) if given
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# an event whose data field is of type bytes.
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headers, body = to_structured(event)
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# Send cloudevent
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requests.post(url, headers=headers, data=body)
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print(f"Sent {event['id']} of type {event['type']}")
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if __name__ == "__main__":
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# Run client.py via: 'python3 client.py http://localhost:3000/'
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if len(sys.argv) < 2:
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sys.exit(
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"Usage: python with_requests.py " "<CloudEvents controller URL>"
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)
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url = sys.argv[1]
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send_binary_cloud_event(url)
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send_structured_cloud_event(url)
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