nixos/elasticsearch: Wait for elasticsearch to start up properly
Other services that depend on elasticsearch should be started after it, but since the versions we're packaging have to run as "Type=simple", they're started as soon as the elasticsearch binary has been executed, likely winning the race against it. This makes sure elasticsearch is up and running, responding to a simple query, before dependents are started.
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@ -201,6 +201,13 @@ in
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if [ "$(id -u)" = 0 ]; then chown -R elasticsearch:elasticsearch ${cfg.dataDir}; fi
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'';
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postStart = ''
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# Make sure elasticsearch is up and running before dependents
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# are started
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while ! ${pkgs.curl}/bin/curl -sS -f http://localhost:${toString cfg.port} 2>/dev/null; do
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sleep 1
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done
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'';
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};
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environment.systemPackages = [ cfg.package ];
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