Chris Lu e181e2c035 parquet_pushdown(M0-C3): daemon bootstrap (config, filer client, server) ...

Add weed/parquet_pushdown/daemon, the host process for the
SeaweedParquetPushdown service:

- Config carries bind ip/port, filer addresses, trust mode, and the
  ConnectorTrustedAck flag that gates the dev-only connector-trusted
  trust mode (default refuses it; explicit ack required).
- filerClient probes the filer with GetFilerConfiguration at startup
  so bad endpoints fail fast, mirroring the iam command's pattern.
  Bounded by a 60s timeout; later milestones use the same client to
  read Parquet data and side-index blobs.
- server.go wires it together: load TLS, probe filer, build the
  Service, listen on (host, localhost) gRPC ports, register the
  service + reflection on each, install grace.OnInterrupt for
  GracefulStop, and Serve.

Run() returns an error so the calling weed pushdown command can
report startup failures instead of glog.Fatalf.

2026-04-25 13:40:45 -07:00

..

config.go

parquet_pushdown(M0-C3): daemon bootstrap (config, filer client, server)

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filer_client.go

parquet_pushdown(M0-C3): daemon bootstrap (config, filer client, server)

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server.go

parquet_pushdown(M0-C3): daemon bootstrap (config, filer client, server)

2026-04-25 13:40:45 -07:00