99 lines
2.8 KiB
Ruby
99 lines
2.8 KiB
Ruby
resource_name :postgresql_custom_server
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provides :postgresql_custom_server
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property :postgresql_version, String, required: true, name_property: true
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property :role, String, required: true # Can be primary or replica
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action :create do
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postgresql_version = new_resource.postgresql_version
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postgresql_data_dir = "/var/lib/postgresql/#{postgresql_version}/main"
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postgresql_service = "postgresql@#{postgresql_version}-main"
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postgresql_credentials = data_bag_item('credentials', 'postgresql')
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build_essential do
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compile_time true
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end
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package("libpq-dev") { action :nothing }.run_action(:install)
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chef_gem 'pg' do
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compile_time true
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end
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user "postgres" do
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manage_home false
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end
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postgresql_server_install "main" do
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version postgresql_version
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setup_repo true
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password postgresql_credentials['server_password']
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action :install
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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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action [:enable, :start]
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end
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# This service is a dependency that will auto-start our cluster service on
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# boot if it's enabled, so we disable it explicitly
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service "postgresql" do
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action :disable
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end
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shared_buffers = if node['memory']['total'].to_i / 1024 < 1024 # < 1GB RAM
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"128MB"
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else # >= 1GB RAM, use 50% of total RAM
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"#{node['memory']['total'].to_i / 1024 / 2}MB"
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end
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additional_config = {
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max_connections: 200, # default
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shared_buffers: shared_buffers,
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unix_socket_directories: "/var/run/postgresql",
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dynamic_shared_memory_type: "posix",
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timezone: "UTC", # default is GMT
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listen_addresses: "0.0.0.0",
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promote_trigger_file: "#{postgresql_data_dir}/failover.trigger",
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wal_level: "logical",
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wal_keep_size: 4096, # 256 segments, 16MB each
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max_replication_slots: 16
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}
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postgresql_server_conf "main" do
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version postgresql_version
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additional_config additional_config
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notifies :reload, "service[#{postgresql_service}]", :delayed
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end
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postgresql_user "replication" do
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action :create
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replication true
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password postgresql_credentials['replication_password']
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end
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postgresql_access "all members" do
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access_type "host"
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access_db "all"
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access_user "all"
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access_addr node['kosmos_postgresql']['access_addr']
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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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postgresql_access "replication members" 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 node['kosmos_postgresql']['access_addr']
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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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end
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action_class do
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# to use the data_dir helper
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include PostgresqlCookbook::Helpers
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end
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