e6b7794e20
This allows us to use them for KVM hosts as well. Until now we had set up ufw rules manually on the two KVM hosts (draco and centaurus) Refs #244
83 lines
2.8 KiB
Ruby
83 lines
2.8 KiB
Ruby
#
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# Cookbook:: kosmos-postgresql
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# Recipe:: replica
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#
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# The MIT License (MIT)
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#
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# Copyright:: 2019, Kosmos Developers
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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postgresql_version = "12"
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postgresql_service = "postgresql@#{postgresql_version}-main"
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postgresql_custom_server postgresql_version do
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role "replica"
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end
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service postgresql_service do
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supports restart: true, status: true, reload: true
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end
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postgresql_data_bag_item = data_bag_item('credentials', 'postgresql')
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primary = postgresql_primary
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unless primary.nil?
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postgresql_data_dir = "#{node["kosmos_encfs"]["data_directory"]}/postgresql/#{postgresql_version}/main"
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if node['kosmos-postgresql']['ready_to_set_up_replica']
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execute "set up replication" do
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command <<-EOF
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systemctl stop #{postgresql_service}
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mv #{postgresql_data_dir} #{postgresql_data_dir}.old
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pg_basebackup -h #{primary[:ipaddress]} -U replication -D #{postgresql_data_dir} -R
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chown -R postgres:postgres #{postgresql_data_dir}
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systemctl start #{postgresql_service}
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EOF
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environment 'PGPASSWORD' => postgresql_data_bag_item['replication_password']
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sensitive true
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not_if { ::File.exist? "#{postgresql_data_dir}/standby.signal" }
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end
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end
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postgresql_access "replication" do
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access_type "host"
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access_db "replication"
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access_user "replication"
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access_addr "#{primary[:ipaddress]}/32"
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access_method "md5"
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notifies :reload, "service[#{postgresql_service}]", :immediately
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end
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# On the next Chef run the replica will be set up
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node.normal['kosmos-postgresql']['ready_to_set_up_replica'] = true
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unless node.chef_environment == "development"
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include_recipe "kosmos-base::firewall"
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firewall_rule "postgresql primary #{primary[:hostname]}" do
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port 5432
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protocol :tcp
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command :allow
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source primary[:ipaddress]
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end
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end
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end
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