def lambda_handler(event, context):
"""
Lambda entry point. Print the event first.
"""
print("Event Input: %s" % json.dumps(event))
settings_table = event["ResourceProperties"]["SettingsTable"]
result = {'Status': 'SUCCESS', "StackId": event["StackId"], "RequestId": event["RequestId"], "LogicalResourceId": event["LogicalResourceId"], 'Data': {}, 'ResourceId': settings_table}
if event.get("PhysicalResourceId", False):
result["PhysicalResourceId"] = event["PhysicalResourceId"]
else:
result["PhysicalResourceId"] = "{}-{}".format(resource_tools.stack_name(event), event["LogicalResourceId"])
try:
if event["RequestType"] == "Create" or event["RequestType"] == "Update":
print(event["RequestType"])
make_default_settings(settings_table)
except ClientError as client_error:
print("Exception: %s" % client_error)
result = {
'Status': 'FAILED',
"StackId": event["StackId"],
"RequestId": event["RequestId"],
"LogicalResourceId": event["LogicalResourceId"],
'Data': {
"Exception": str(client_error)
},
'ResourceId': None
}
resource_tools.send(event, context, result['Status'], result['Data'], result["PhysicalResourceId"])
def event_handler(event, context):
"""
Lambda entry point. Print the event first.
"""
print("Event Input: %s" % json.dumps(event))
try:
mediapackage = boto3.client('mediapackage')
if event["RequestType"] == "Create":
result = create_channel(mediapackage, event, context)
elif event["RequestType"] == "Update":
result = update_channel(mediapackage, event, context)
elif event["RequestType"] == "Delete":
result = delete_channel(mediapackage, event, context)
except Exception as exp:
print("Exception: %s" % exp)
result = {
'Status': 'FAILED',
'Data': {
"Exception": str(exp)
},
'ResourceId': None
}
resource_tools.send(event, context, result['Status'], result['Data'],
result['ResourceId'])
return
def lambda_handler(event, context):
print("Event Input: %s" % json.dumps(event))
emt_client = boto3.client('mediatailor')
# get environment variables
distribution_id = os.environ["CloudFrontDistributionId"]
video_source = os.environ["VideoSource"]
ad_server = os.environ["ADS"]
# make up the configuration name
emt_config_name = "%s-%s" % (resource_tools.stack_name(event), event["LogicalResourceId"])
response = {}
result = {
"Status": "SUCCESS",
"Data": response,
"ResourceId": emt_config_name
}
if event["RequestType"] == "Create" or event["RequestType"] == "Update":
cf_client = boto3.client('cloudfront')
session = boto3.session.Session()
region = session.region_name
# all the info we need to set up a proper distribution
parsed_url = urlparse(video_source)
source_domain_name = parsed_url.netloc
# remove the asset name (eg. index.m3u8) from the path
url_path_list = parsed_url.path.split('/')
asset_name = url_path_list.pop(-1)
source_path = ('/').join(url_path_list)
# CloudFront distro info
distribution_info = cf_client.get_distribution(Id = distribution_id)
distribution_domain_name = distribution_info['Distribution']['DomainName']
distribution_config = distribution_info['Distribution']['DistributionConfig']
etag = distribution_info['ETag']
cdn_prefix = "https://" + distribution_domain_name
cdn_segment_prefix = cdn_prefix + source_path
video_source_without_asset_name = "https://" + source_domain_name + source_path
emt_data = {}
try:
emt_data = emt_client.put_playback_configuration(
AdDecisionServerUrl=ad_server,
Name=emt_config_name,
VideoContentSourceUrl=video_source_without_asset_name,
CdnConfiguration={
"AdSegmentUrlPrefix": cdn_prefix,
"ContentSegmentUrlPrefix": cdn_segment_prefix
}
)
parsed_emt_url = urlparse(emt_data["HlsConfiguration"]["ManifestEndpointPrefix"])
hls_playback_path = parsed_emt_url.path
ads_domain_name = "ads.mediatailor." + region + ".amazonaws.com"
meditailor_domain_name = parsed_emt_url.netloc
result["Data"] = {
"ConfigurationName": emt_config_name,
"HLSPlaybackURL": emt_data["HlsConfiguration"]["ManifestEndpointPrefix"] + asset_name,
"CloudFrontPlaybackURL": cdn_prefix + hls_playback_path + asset_name
}
#update the origins of the CloudFront Distribution
response = update_distribution_origins(cf_client, distribution_config, distribution_id, etag,
source_domain_name, meditailor_domain_name, ads_domain_name )
print("CloudFront update origins response: %s" % response)
#if successful, update the cache behaviors of the distribution
if response['ResponseMetadata']['HTTPStatusCode'] == 200:
#get the latest distribution information after origin update
distribution_info = cf_client.get_distribution(Id = distribution_id)
distribution_config = distribution_info['Distribution']['DistributionConfig']
etag = distribution_info['ETag']
response = update_distribution_cache_behaviors(cf_client, distribution_config, distribution_id, etag)
if response['ResponseMetadata']['HTTPStatusCode'] == 200:
print("CloudFront update cache behaviors response: %s" % response)
else:
result["Status"] = "FAILED",
except Exception as exp:
print("Exception: %s" % exp)
result["Status"] = "FAILED"
result["Data"] = {"Exception": str(exp)}
elif event["RequestType"] == "Delete":
try:
result["Data"] = emt_client.delete_playback_configuration(Name=emt_config_name)
except Exception as exp:
print("Exception: %s" % exp)
result["Status"] = "FAILED",
result["Data"] = {"Exception": str(exp)}
resource_tools.send(event, context, result["Status"],
result["Data"], result["ResourceId"])
return
