Service Management - sourcegraph/zoekt

The zoekt-indexserver component is a part of the Service Management in the Sourcegraph project, which is open-source code search and intelligence software. The zoekt-indexserver is responsible for mirroring repositories, managing indexes, and automating indexing processes.

Mirroring Repositories

Zoekt allows for efficient code search by creating and managing indexes of repositories. The zoekt-indexserver component can mirror repositories to create local copies, which can then be indexed for faster search performance. This mirroring process can be done using the zoekt indexer command, which is provided by the zoekt-indexserver component.

Example:

zoekt indexer --repo-path /path/to/repository --url https://github.com/sourcegraph/zoekt --service-addr index.example.com:34567

Managing Indexes

The zoekt-indexserver component manages indexes for the mirrored repositories. Indexes are created and updated automatically, allowing for efficient code search. The zoekt-indexserver component uses the Go standard library for indexing and searching, which provides efficient and reliable index management.

Example:

package main

import (
"context"
"log"

"github.com/sourcegraph/zoekt"
"github.com/sourcegraph/zoekt/index"
)

func main() {
ctx := context.Background()
i, err := index.New(ctx, "path/to/index", index.Options{})
if err != nil {
log.Fatal(err)
}

// Use the index for searching
results, err := i.Search(ctx, "example query")
if err != nil {
log.Fatal(err)
}

// Process the search results
for _, r := range results {
// ...
}
}

Automating Indexing Processes

The zoekt-indexserver component automates the indexing process for mirrored repositories. This is done using the zoekt indexer command, which can be run periodically using a cron job or other scheduling mechanism.

Example:

0 * * * * zoekt indexer --repo-path /path/to/repository --url https://github.com/sourcegraph/zoekt --service-addr index.example.com:34567

Key Technologies and Dependencies

The zoekt-indexserver component is written in the Go programming language and uses several key technologies and dependencies, including:

gRPC: A high-performance, open-source universal RPC framework.
Protocol Buffers: A language-neutral, platform-neutral, extensible mechanism for serializing structured data.
Go standard library: The built-in libraries provided by the Go programming language.
go-ctags: A Go implementation of Exuberant Ctags.
go-cmp: A Go package for comparing Go values in tests.
Slothfs: A file system for serving files over HTTP.
Grafana regexp: A Go package for working with regular expressions.
Jaeger: A distributed tracing system.

Online Documentation

For more information on the zoekt-indexserver component and its role in Service Management, please refer to the following online documentation:

Code Snippets

The following code snippets demonstrate the use of the zoekt-indexserver component:

Go Modules

The Go module name for the zoekt-indexserver component is github.com/sourcegraph/zoekt. This impacts the Go build output and should not be changed. The -mod=vendor flag should not be used with the Go build command.

Conclusion

The zoekt-indexserver component is a key part of the Service Management in the Sourcegraph project. It is responsible for mirroring repositories, managing indexes, and automating indexing processes. The zoekt-indexserver component uses several key technologies and dependencies, including gRPC, Protocol Buffers, and the Go standard library. The zoekt-indexserver component can be used with Go code, shell scripts, Dockerfiles, and Nix expressions. The Go module name for the zoekt-indexserver component is github.com/sourcegraph/zoekt, and the -mod=vendor flag should not be used with the Go build command.