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5fe854c47e
We are working on a solution to set overcommit_ratio or overcommit_kb based on the instance memory size. Until that is ready, this is a temporary fix because overcommit_ratio=80 is too restrictive.
41 lines
1.3 KiB
Ruby
41 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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require_relative "../../common/lib/util"
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require "logger"
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class PostgresSetup
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def initialize(version)
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@version = version
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end
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def install_packages
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# Check if the package list exist before installing packages, as Lantern
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# images do not have a packages list and have the packages pre installed.
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if File.exist?("/usr/local/share/postgresql/packages/#{@version}.txt")
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r "xargs -a /usr/local/share/postgresql/packages/#{@version}.txt sudo apt-get -y install"
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r "xargs -a /usr/local/share/postgresql/packages/common.txt sudo apt-get -y install"
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end
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end
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def configure_memory_overcommit
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r "sudo sysctl -w vm.overcommit_memory=2"
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r "echo 'vm.overcommit_memory=2' | sudo tee -a /etc/sysctl.conf"
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r "sudo sysctl -w vm.overcommit_ratio=150"
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r "echo 'vm.overcommit_ratio=150' | sudo tee -a /etc/sysctl.conf"
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end
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def setup_data_directory
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r "chown postgres /dat"
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# Below commands are required for idempotency
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r "rm -rf /dat/#{@version}"
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r "rm -rf /etc/postgresql/#{@version}"
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r "echo \"data_directory = '/dat/#{@version}/data'\" | sudo tee /etc/postgresql-common/createcluster.d/data-dir.conf"
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end
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def create_cluster
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r "pg_createcluster #{@version} main --port=5432 --start --locale=C.UTF8"
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end
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end
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