Files
daqbuffer/crates/nodenet/src/channelconfig.rs
Dominik Werder f5909ea03c WIP
2024-09-06 19:08:54 +02:00

266 lines
8.3 KiB
Rust

use dbconn::worker::PgQueue;
use err::thiserror;
use err::ThisError;
use httpclient::url::Url;
use netpod::log::*;
use netpod::range::evrange::NanoRange;
use netpod::timeunits::DAY;
use netpod::AppendToUrl;
use netpod::ByteOrder;
use netpod::ChConf;
use netpod::ChannelConfigQuery;
use netpod::ChannelConfigResponse;
use netpod::ChannelTypeConfigGen;
use netpod::DtNano;
use netpod::NodeConfigCached;
use netpod::ReqCtx;
use netpod::ScalarType;
use netpod::SfChFetchInfo;
use netpod::SfDbChannel;
use netpod::Shape;
use netpod::APP_JSON;
use serde::Serialize;
#[derive(Debug, ThisError)]
#[cstm(name = "ChannelConfigNode")]
pub enum Error {
NotFoundChannel(SfDbChannel),
ChannelConfig(dbconn::channelconfig::Error),
DbWorker(#[from] dbconn::worker::Error),
DiskConfig(#[from] disk::channelconfig::ConfigError),
BackendConfigError,
BadTestSetup,
HttpReqError,
HttpClient(#[from] httpclient::Error),
ConfigParse(#[from] disk::parse::channelconfig::ConfigParseError),
JsonParse(#[from] serde_json::Error),
SearchWithGivenSeries,
AsyncSend,
AsyncRecv,
Todo,
}
impl From<async_channel::RecvError> for Error {
fn from(_value: async_channel::RecvError) -> Self {
Error::AsyncRecv
}
}
impl From<netpod::AsyncChannelError> for Error {
fn from(value: netpod::AsyncChannelError) -> Self {
match value {
netpod::AsyncChannelError::Send => Self::AsyncSend,
netpod::AsyncChannelError::Recv => Self::AsyncRecv,
}
}
}
impl From<dbconn::channelconfig::Error> for Error {
fn from(value: dbconn::channelconfig::Error) -> Self {
use dbconn::channelconfig::Error::*;
match value {
NotFound(chn, _) => Self::NotFoundChannel(chn),
SeriesNotFound(backend, series) => Self::NotFoundChannel(SfDbChannel::from_full(
backend,
Some(series),
"",
netpod::SeriesKind::ChannelData,
)),
_ => Self::ChannelConfig(value),
}
}
}
const TEST_BACKEND: &str = "testbackend-00";
fn channel_config_test_backend(channel: SfDbChannel) -> Result<ChannelTypeConfigGen, Error> {
let backend = channel.backend();
let ret = if channel.name() == "scalar-i32-be" {
let ret = SfChFetchInfo::new(
backend,
channel.name(),
2,
DtNano::from_ns(DAY),
ByteOrder::Big,
ScalarType::I32,
Shape::Scalar,
);
ret
} else if channel.name() == "wave-f64-be-n21" {
let ret = SfChFetchInfo::new(
backend,
channel.name(),
3,
DtNano::from_ns(DAY),
ByteOrder::Big,
ScalarType::F64,
Shape::Wave(21),
);
ret
} else if channel.name() == "const-regular-scalar-i32-be" {
let ret = SfChFetchInfo::new(
backend,
channel.name(),
2,
DtNano::from_ns(DAY),
ByteOrder::Big,
ScalarType::I32,
Shape::Scalar,
);
ret
} else if channel.name() == "test-gen-i32-dim0-v00" {
let ret = SfChFetchInfo::new(
backend,
channel.name(),
2,
DtNano::from_ns(DAY),
ByteOrder::Big,
ScalarType::I32,
Shape::Scalar,
);
ret
} else if channel.name() == "test-gen-i32-dim0-v01" {
let ret = SfChFetchInfo::new(
backend,
channel.name(),
2,
DtNano::from_ns(DAY),
ByteOrder::Big,
ScalarType::I32,
Shape::Scalar,
);
ret
} else if channel.name() == "test-gen-f64-dim1-v00" {
let ret = SfChFetchInfo::new(
backend,
channel.name(),
3,
DtNano::from_ns(DAY),
ByteOrder::Big,
ScalarType::F64,
Shape::Wave(21),
);
ret
} else {
error!("no test information");
return Err(Error::NotFoundChannel(channel));
};
Ok(ChannelTypeConfigGen::SfDatabuffer(ret))
}
pub async fn channel_config(
range: NanoRange,
channel: SfDbChannel,
pgqueue: &PgQueue,
ncc: &NodeConfigCached,
) -> Result<Option<ChannelTypeConfigGen>, Error> {
if channel.backend() == TEST_BACKEND {
Ok(Some(channel_config_test_backend(channel)?))
} else if ncc.node_config.cluster.scylla_st().is_some() {
debug!("try to get ChConf for scylla type backend");
let ret = scylla_chconf_from_sf_db_channel(range, channel, pgqueue).await?;
Ok(Some(ChannelTypeConfigGen::Scylla(ret)))
} else if ncc.node.sf_databuffer.is_some() {
debug!("channel_config channel {channel:?}");
let k = disk::channelconfig::channel_config_best_match(range, channel.clone(), ncc).await?;
match k {
Some(config) => {
debug!("channel_config config {config:?}");
let ret = SfChFetchInfo::new(
config.channel.backend(),
config.channel.name(),
config.keyspace,
config.time_bin_size,
config.byte_order,
config.scalar_type,
config.shape,
);
let ret = ChannelTypeConfigGen::SfDatabuffer(ret);
Ok(Some(ret))
}
None => Ok(None),
}
} else {
Err(Error::BackendConfigError)
}
}
#[derive(Debug, Serialize)]
pub enum ChannelConfigsGen {
Scylla(ChConf),
SfDatabuffer(disk::parse::channelconfig::ChannelConfigs),
}
pub async fn channel_configs(channel: SfDbChannel, ncc: &NodeConfigCached) -> Result<ChannelConfigsGen, Error> {
if channel.backend() == TEST_BACKEND {
let ret = match channel_config_test_backend(channel)? {
ChannelTypeConfigGen::Scylla(x) => ChannelConfigsGen::Scylla(x),
ChannelTypeConfigGen::SfDatabuffer(_) => {
// ChannelConfigsGen::SfDatabuffer(todo!())
let e = Error::BadTestSetup;
warn!("{e}");
return Err(e);
}
};
Ok(ret)
} else if ncc.node_config.cluster.scylla_st().is_some() {
debug!("try to get ChConf for scylla type backend");
let ret = scylla_all_chconf_from_sf_db_channel(&channel, ncc)
.await
.map_err(Error::from)?;
Ok(ChannelConfigsGen::Scylla(ret))
} else if ncc.node.sf_databuffer.is_some() {
debug!("channel_config channel {channel:?}");
let configs = disk::channelconfig::channel_configs(channel.clone(), ncc).await?;
Ok(ChannelConfigsGen::SfDatabuffer(configs))
} else {
return Err(Error::BackendConfigError);
}
}
pub async fn http_get_channel_config(
qu: ChannelConfigQuery,
baseurl: Url,
ctx: &ReqCtx,
) -> Result<Option<ChannelConfigResponse>, Error> {
let url = baseurl;
let mut url = url.join("/api/4/channel/config").unwrap();
qu.append_to_url(&mut url);
let res = httpclient::http_get(url, APP_JSON, ctx).await?;
use httpclient::http::StatusCode;
if res.head.status == StatusCode::NOT_FOUND {
Ok(None)
} else if res.head.status == StatusCode::OK {
let ret: ChannelConfigResponse = serde_json::from_slice(&res.body)?;
Ok(Some(ret))
} else {
// let b = &res.body;
// let s = String::from_utf8_lossy(&b[0..b.len().min(256)]);
Err(Error::HttpReqError)
}
}
async fn scylla_chconf_from_sf_db_channel(
range: NanoRange,
channel: SfDbChannel,
pgqueue: &PgQueue,
) -> Result<ChConf, Error> {
trace!("scylla_chconf_from_sf_db_channel {:?}", channel);
if let Some(series) = channel.series() {
let ret = pgqueue.chconf_for_series(channel.backend(), series).await??;
Ok(ret)
} else {
// TODO let called function allow to return None instead of error-not-found
let ret = pgqueue.chconf_best_matching_name_range(channel, range).await??;
Ok(ret)
}
}
async fn scylla_all_chconf_from_sf_db_channel(channel: &SfDbChannel, _ncc: &NodeConfigCached) -> Result<ChConf, Error> {
if let Some(_) = channel.series() {
Err(Error::SearchWithGivenSeries)
} else {
Err(Error::Todo)
}
}