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This is a fast and easy way to update number of instances for the service deployed to app engine. Works with manual-scaling types services.
55 lines
2.2 KiB
Bash
Executable file
55 lines
2.2 KiB
Bash
Executable file
#!/bin/bash
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# Copyright 2023 The Nomulus Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# This script updates number of instances of the service running on GCP
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# Required parameters are:
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# 1) projectId
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# 2) service name
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#
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# Example:
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# ./update_num_instances.sh domain-registry-sandbox pubapi
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set -e
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project=$1
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service=$2
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[[ -z "$1" || -z "$2" ]] && { echo "2 parameters required - projectId and service" ; exit 1; }
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echo "Project: $project";
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echo "Service: $service";
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deployed_version=$(gcloud app versions list --service "${service}" \
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--project "${project}" \
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--filter "TRAFFIC_SPLIT>0.00" \
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--format="csv[no-heading](VERSION.ID)")
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service_description=$(curl -H "Authorization: Bearer $(gcloud auth print-access-token)" https://appengine.googleapis.com/v1/apps/${project}/services/${service}/versions/${deployed_version})
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echo "Service configuration: $service_description"
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echo "Input new number of instances: "
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read num_instances
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if [[ -n ${num_instances//[0-9]/} ]]; then
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echo "Should be an integer"
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exit 1;
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fi
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echo "Settings new number of instances: $num_instances"
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curl -X PATCH https://appengine.googleapis.com/v1/apps/${project}/services/${service}/versions/${deployed_version}?updateMask=manualScaling.instances \
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-H "Authorization: Bearer $(gcloud auth print-access-token)" \
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-H 'Content-Type: application/json' \
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-d "{ \"manualScaling\": { \"instances\": $num_instances }}"
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service_description=$(curl -H "Authorization: Bearer $(gcloud auth print-access-token)" https://appengine.googleapis.com/v1/apps/${project}/services/${service}/versions/${deployed_version})
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echo "Updated service configuration: $service_description"
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