74 lines
1.8 KiB
Nix
74 lines
1.8 KiB
Nix
{
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pkgs,
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}:
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let
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inherit (pkgs) lib;
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in
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{
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name,
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default_config ? true,
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extra_config ? '''',
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package ? pkgs.redis,
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port ? 6379,
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bind ? "localhost",
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...
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}:
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let
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generateRedisConfig = ''
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cat > "$RUNTIME_PATH"/${name}.conf <<EOF
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${lib.optionalString default_config ''
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port ${builtins.toString port}
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${lib.optionalString (bind != null) "bind ${bind}"}
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${lib.optionalString (port == 0) "unixsocket \"$RUNTIME_PATH/${name}.sock\""}
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${lib.optionalString (port == 0) "unixsocketperm 700"}
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''}
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${extra_config}
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EOF
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'';
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script = pkgs.writeShellApplication {
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name = "run-redis";
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text = ''
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set -euo pipefail
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REDISDATA="$RUNTIME_PATH"/${name}/
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${
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if (port == 0) then
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''
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REDIS_UNIX_SOCKET = "$RUNTIME_PATH"/${name}.sock
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export REDIS_UNIX_SOCKET
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echo "Starting redis on unix socket ''${REDIS_UNIX_SOCKET}"
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''
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else
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''
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echo "Starting redis on port ${builtins.toString port}"
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''
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}
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export REDISDATA
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if [ ! -d $REDISDATA ]; then
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mkdir -p $REDISDATA
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fi
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${generateRedisConfig}
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${package}/bin/redis-server "$RUNTIME_PATH"/${name}.conf --daemonize no --dir "$REDISDATA"
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'';
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};
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tcpPing = "${package}/bin/redis-cli -p ${builtins.toString port} ping";
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unixPing = "${package}/bin/redis-cli -s \"$RUNTIME_PATH\"/${name}.sock ping";
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in
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{
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processes."${name}" = {
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command = "${script}/bin/run-redis";
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readiness_probe = {
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exec.command = if port == 0 then unixPing else tcpPing;
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initial_delay_seconds = 2;
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period_seconds = 10;
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timeout_seconds = 4;
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success_threshold = 1;
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failure_threshold = 3;
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};
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availability.restart = "on_failure";
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};
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}
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