/
handle_rate_exceeded_error.pl
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/
handle_rate_exceeded_error.pl
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#!/usr/bin/perl -w
#
# Copyright 2019, Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Handles RateExceededError in an application. This code example runs 5 requests
# sequentially, each request attempting to validate 100 keywords. While it is
# unlikely that running these requests would trigger a rate exceeded error,
# substantially increasing the number of requests may have that effect. Note that
# this example is for illustrative purposes only, and you shouldn't intentionally
# try to trigger a rate exceed error in your application.
use strict;
use warnings;
use utf8;
use FindBin qw($Bin);
use lib "$Bin/../../lib";
use Google::Ads::GoogleAds::Client;
use Google::Ads::GoogleAds::Utils::GoogleAdsHelper;
use Google::Ads::GoogleAds::V16::Resources::AdGroupCriterion;
use Google::Ads::GoogleAds::V16::Common::KeywordInfo;
use Google::Ads::GoogleAds::V16::Enums::KeywordMatchTypeEnum qw(EXACT);
use Google::Ads::GoogleAds::V16::Enums::AdGroupCriterionStatusEnum qw(ENABLED);
use
Google::Ads::GoogleAds::V16::Services::AdGroupCriterionService::AdGroupCriterionOperation;
use Google::Ads::GoogleAds::V16::Utils::ResourceNames;
use Getopt::Long qw(:config auto_help);
use Pod::Usage;
use Cwd qw(abs_path);
use Time::HiRes qw(sleep);
# Number of requests to be run.
use constant NUM_REQUESTS => 5;
# Number of keywords to be validated in each API call.
use constant NUM_KEYWORDS => 100;
# Number of retries to be run in case of a RateExceededError.
use constant NUM_RETRIES => 3;
# Minimum number of seconds to wait before a retry.
use constant RETRY_SECONDS => 10;
# The following parameter(s) should be provided to run the example. You can
# either specify these by changing the INSERT_XXX_ID_HERE values below, or on
# the command line.
#
# Parameters passed on the command line will override any parameters set in
# code.
#
# Running the example with -h will print the command line usage.
my $customer_id = "INSERT_CUSTOMER_ID_HERE";
my $ad_group_id = "INSERT_AD_GROUP_ID_HERE";
sub handle_rate_exceeded_error {
my ($api_client, $customer_id, $ad_group_id) = @_;
# Sequentially send the requests.
for (my $i = 0 ; $i < NUM_REQUESTS ; $i++) {
# Create operations.
my $operations =
create_ad_group_criterion_operations($customer_id, $ad_group_id, $i);
eval {
my $retry_count = 0;
my $retry_seconds = RETRY_SECONDS;
while ($retry_count < NUM_RETRIES) {
# Send request.
my $response =
request_mutate_and_display_result($api_client, $customer_id,
$operations);
if ($response->isa("Google::Ads::GoogleAds::GoogleAdsException")) {
my $has_rate_exceeded_error = 0;
foreach my $error (@{$response->get_google_ads_failure()->{errors}}) {
# Check if any of the errors are QuotaError.RESOURCE_EXHAUSTED or
# QuotaError.RESOURCE_TEMPORARILY_EXHAUSTED.
my $quota_error = $error->{errorCode}{quotaError};
if ($quota_error && grep /^$quota_error/,
("RESOURCE_EXHAUSTED", "RESOURCE_TEMPORARILY_EXHAUSTED"))
{
printf "Received rate exceeded error, retry after %d seconds.\n",
$retry_seconds;
sleep($retry_seconds);
$has_rate_exceeded_error = 1;
$retry_count++;
# Use an exponential back-off policy.
$retry_seconds *= 2;
last;
}
}
# Bubble up when there is not RateExceededError.
if (not $has_rate_exceeded_error) {
die $response->get_message();
}
} else {
last;
}
# Bubble up when the number of retries has already been reached.
if ($retry_count == NUM_RETRIES) {
die "Could not recover after making $retry_count attempts.\n",;
}
}
};
if ($@) {
# Catch and print any unhandled exception.
printf "Failed to validate keywords.\n%s", $@;
return 0;
}
}
return 1;
}
# Creates ad group criterion operations.
sub create_ad_group_criterion_operations {
my ($customer_id, $ad_group_id, $request_index) = @_;
my $operations = [];
for (my $i = 0 ; $i < NUM_KEYWORDS ; $i++) {
# Create a keyword info.
my $keyword_info = Google::Ads::GoogleAds::V16::Common::KeywordInfo->new({
text => "mars cruise req " . $request_index . " seed " . $i,
matchType => EXACT
});
# Construct an ad group criterion using the keyword text info above.
my $ad_group_criterion =
Google::Ads::GoogleAds::V16::Resources::AdGroupCriterion->new({
adGroup => Google::Ads::GoogleAds::V16::Utils::ResourceNames::ad_group(
$customer_id, $ad_group_id
),
status => ENABLED,
keyword => $keyword_info
});
# Create an ad group criterion operation.
my $ad_group_criterion_operation =
Google::Ads::GoogleAds::V16::Services::AdGroupCriterionService::AdGroupCriterionOperation
->new({
create => $ad_group_criterion
});
push @$operations, $ad_group_criterion_operation;
}
return $operations;
}
# Requests a mutate of ad group criterion operations and displays the results.
sub request_mutate_and_display_result {
my ($api_client, $customer_id, $operations) = @_;
# Make a validateOnly mutate request.
my $ad_group_criteria_response =
$api_client->AdGroupCriterionService()->mutate({
customerId => $customer_id,
operations => $operations,
partialFailure => "false",
validateOnly => "true"
});
# Display the results.
if (
not $ad_group_criteria_response->isa(
"Google::Ads::GoogleAds::GoogleAdsException"))
{
my $ad_group_criterion_results = $ad_group_criteria_response->{results};
printf "Added %d ad group criteria:\n", scalar @$ad_group_criterion_results;
foreach my $ad_group_criterion_result (@$ad_group_criterion_results) {
print $ad_group_criterion_result->{resourceName}, "\n";
}
}
return $ad_group_criteria_response;
}
# Don't run the example if the file is being included.
if (abs_path($0) ne abs_path(__FILE__)) {
return 1;
}
# Get Google Ads Client, credentials will be read from ~/googleads.properties.
my $api_client = Google::Ads::GoogleAds::Client->new();
# By default examples are set to die on any server returned fault.
$api_client->set_die_on_faults(0);
# Parameters passed on the command line will override any parameters set in code.
GetOptions("customer_id=s" => \$customer_id, "ad_group_id=i" => \$ad_group_id);
# Print the help message if the parameters are not initialized in the code nor
# in the command line.
pod2usage(2) if not check_params($customer_id, $ad_group_id);
# Call the example.
handle_rate_exceeded_error($api_client, $customer_id =~ s/-//gr, $ad_group_id);
=pod
=head1 NAME
handle_rate_exceeded_error
=head1 DESCRIPTION
Handles RateExceededError in an application. This code example runs 5 requests
sequentially, each request attempting to validate 100 keywords. While it is
unlikely that running these requests would trigger a rate exceeded error,
substantially increasing the number of requests may have that effect. Note that
this example is for illustrative purposes only, and you shouldn't intentionally
try to trigger a rate exceed error in your application.
=head1 SYNOPSIS
handle_rate_exceeded_error.pl [options]
-help Show the help message.
-customer_id The Google Ads customer ID.
-ad_group_id The ad group ID.
=cut