229 lines
8.2 KiB
Rust
229 lines
8.2 KiB
Rust
mod update_store;
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mod index_store;
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mod update_handler;
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use std::path::Path;
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use std::sync::Arc;
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use anyhow::{bail, Context};
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use itertools::Itertools;
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use milli::Index;
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use crate::option::IndexerOpts;
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use index_store::IndexStore;
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use super::IndexController;
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use super::updates::UpdateStatus;
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use super::{UpdateMeta, UpdateResult, IndexMetadata, IndexSettings};
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pub struct LocalIndexController {
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indexes: IndexStore,
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update_db_size: u64,
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index_db_size: u64,
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}
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impl LocalIndexController {
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pub fn new(
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path: impl AsRef<Path>,
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opt: IndexerOpts,
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index_db_size: u64,
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update_db_size: u64,
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) -> anyhow::Result<Self> {
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let indexes = IndexStore::new(path, opt)?;
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Ok(Self { indexes, index_db_size, update_db_size })
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}
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}
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impl IndexController for LocalIndexController {
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fn add_documents<S: AsRef<str>>(
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&self,
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index: S,
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method: milli::update::IndexDocumentsMethod,
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format: milli::update::UpdateFormat,
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data: &[u8],
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primary_key: Option<String>,
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) -> anyhow::Result<UpdateStatus<UpdateMeta, UpdateResult, String>> {
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let (_, update_store) = self.indexes.get_or_create_index(&index, self.update_db_size, self.index_db_size)?;
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let meta = UpdateMeta::DocumentsAddition { method, format, primary_key };
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let pending = update_store.register_update(meta, data)?;
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Ok(pending.into())
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}
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fn update_settings<S: AsRef<str>>(
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&self,
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index: S,
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settings: super::Settings
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) -> anyhow::Result<UpdateStatus<UpdateMeta, UpdateResult, String>> {
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let (_, update_store) = self.indexes.get_or_create_index(&index, self.update_db_size, self.index_db_size)?;
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let meta = UpdateMeta::Settings(settings);
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let pending = update_store.register_update(meta, &[])?;
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Ok(pending.into())
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}
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fn create_index(&self, index_settings: IndexSettings) -> anyhow::Result<IndexMetadata> {
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let index_name = index_settings.name.context("Missing name for index")?;
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let (index, _, meta) = self.indexes.create_index(&index_name, self.update_db_size, self.index_db_size)?;
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if let Some(ref primary_key) = index_settings.primary_key {
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if let Err(e) = update_primary_key(index, primary_key).context("error creating index") {
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// TODO: creating index could not be completed, delete everything.
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Err(e)?
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}
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}
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let meta = IndexMetadata {
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uid: index_name,
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uuid: meta.uuid.clone(),
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created_at: meta.created_at,
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updated_at: meta.created_at,
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primary_key: index_settings.primary_key,
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};
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Ok(meta)
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}
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fn delete_index<S: AsRef<str>>(&self, index_uid: S) -> anyhow::Result<()> {
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self.indexes.delete(index_uid)
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}
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fn swap_indices<S1: AsRef<str>, S2: AsRef<str>>(&self, _index1_uid: S1, _index2_uid: S2) -> anyhow::Result<()> {
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todo!()
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}
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fn index(&self, name: impl AsRef<str>) -> anyhow::Result<Option<Arc<Index>>> {
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let index = self.indexes.index(name)?.map(|(i, _)| i);
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Ok(index)
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}
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fn update_status(&self, index: impl AsRef<str>, id: u64) -> anyhow::Result<Option<UpdateStatus<UpdateMeta, UpdateResult, String>>> {
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match self.indexes.index(&index)? {
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Some((_, update_store)) => Ok(update_store.meta(id)?),
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None => bail!("index {:?} doesn't exist", index.as_ref()),
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}
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}
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fn all_update_status(&self, index: impl AsRef<str>) -> anyhow::Result<Vec<UpdateStatus<UpdateMeta, UpdateResult, String>>> {
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match self.indexes.index(&index)? {
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Some((_, update_store)) => {
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let updates = update_store.iter_metas(|processing, processed, pending, aborted, failed| {
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Ok(processing
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.map(UpdateStatus::from)
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.into_iter()
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.chain(pending.filter_map(|p| p.ok()).map(|(_, u)| UpdateStatus::from(u)))
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.chain(aborted.filter_map(Result::ok).map(|(_, u)| UpdateStatus::from(u)))
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.chain(processed.filter_map(Result::ok).map(|(_, u)| UpdateStatus::from(u)))
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.chain(failed.filter_map(Result::ok).map(|(_, u)| UpdateStatus::from(u)))
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.sorted_by(|a, b| a.id().cmp(&b.id()))
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.collect())
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})?;
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Ok(updates)
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}
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None => bail!("index {} doesn't exist.", index.as_ref()),
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}
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}
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fn list_indexes(&self) -> anyhow::Result<Vec<IndexMetadata>> {
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let metas = self.indexes.list_indexes()?;
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let mut output_meta = Vec::new();
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for (uid, meta, primary_key) in metas {
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let created_at = meta.created_at;
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let uuid = meta.uuid;
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let updated_at = self
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.all_update_status(&uid)?
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.iter()
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.filter_map(|u| u.processed().map(|u| u.processed_at))
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.max()
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.unwrap_or(created_at);
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let index_meta = IndexMetadata {
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uid,
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created_at,
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updated_at,
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uuid,
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primary_key,
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};
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output_meta.push(index_meta);
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}
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Ok(output_meta)
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}
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fn update_index(&self, uid: impl AsRef<str>, index_settings: IndexSettings) -> anyhow::Result<IndexMetadata> {
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if index_settings.name.is_some() {
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bail!("can't udpate an index name.")
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}
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let (primary_key, meta) = match index_settings.primary_key {
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Some(ref primary_key) => {
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self.indexes
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.update_index(&uid, |index| {
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let mut txn = index.write_txn()?;
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if index.primary_key(&txn)?.is_some() {
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bail!("primary key already exists.")
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}
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index.put_primary_key(&mut txn, primary_key)?;
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txn.commit()?;
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Ok(Some(primary_key.clone()))
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})?
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},
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None => {
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let (index, meta) = self.indexes
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.index_with_meta(&uid)?
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.with_context(|| format!("index {:?} doesn't exist.", uid.as_ref()))?;
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let primary_key = index
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.primary_key(&index.read_txn()?)?
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.map(String::from);
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(primary_key, meta)
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},
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};
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Ok(IndexMetadata {
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uid: uid.as_ref().to_string(),
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uuid: meta.uuid.clone(),
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created_at: meta.created_at,
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updated_at: meta.updated_at,
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primary_key,
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})
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}
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fn clear_documents(&self, index: impl AsRef<str>) -> anyhow::Result<super::UpdateStatus> {
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let (_, update_store) = self.indexes.index(&index)?
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.with_context(|| format!("Index {:?} doesn't exist", index.as_ref()))?;
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let meta = UpdateMeta::ClearDocuments;
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let pending = update_store.register_update(meta, &[])?;
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Ok(pending.into())
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}
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fn delete_documents(&self, index: impl AsRef<str>, document_ids: Vec<String>) -> anyhow::Result<super::UpdateStatus> {
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let (_, update_store) = self.indexes.index(&index)?
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.with_context(|| format!("Index {:?} doesn't exist", index.as_ref()))?;
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let meta = UpdateMeta::DeleteDocuments;
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let content = serde_json::to_vec(&document_ids)?;
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let pending = update_store.register_update(meta, &content)?;
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Ok(pending.into())
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}
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}
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fn update_primary_key(index: impl AsRef<Index>, primary_key: impl AsRef<str>) -> anyhow::Result<()> {
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let index = index.as_ref();
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let mut txn = index.write_txn()?;
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if index.primary_key(&txn)?.is_some() {
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bail!("primary key already set.")
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}
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index.put_primary_key(&mut txn, primary_key.as_ref())?;
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txn.commit()?;
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Ok(())
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}
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#[cfg(test)]
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mod test {
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use super::*;
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use tempfile::tempdir;
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use crate::make_index_controller_tests;
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make_index_controller_tests!({
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let options = IndexerOpts::default();
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let path = tempdir().unwrap();
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let size = 4096 * 100;
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LocalIndexController::new(path, options, size, size).unwrap()
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});
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}
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