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feat(cluster): implement distributed clustering with etcd coordination

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- Integrate etcd-client for distributed coordination and leader election
- Add remote client macros with proper formatting for all services
- Implement RequestMetrics for tracking RPC performance and errors
- Add rate limiting mechanism across all service endpoints
- Create ElectionRequest and ElectionResult message types for leader election
- Add role management with primary/replica switching capabilities
- Implement health checker with automatic failover detection
- Add repository count metrics for cluster monitoring
- Update Cargo.toml with etcd-client and dashmap dependencies
- Modify RepoEntry to include read_only flag for replica handling
- Implement should_accept_election logic to prevent duplicate elections
- Add RoleChangedEvent handling for cluster role updates
This commit is contained in:
zhenyi
2026-06-08 14:31:29 +08:00
parent d243dce027
commit 8f472a0443
37 changed files with 4691 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files
server/tag.rs
+50 -6
View File
@@ -3,7 +3,11 @@ use crate::pb::*;
use super::{GitksService, into_status};
remote_client!(remote_tag_client, TagServiceClient<tonic::transport::Channel>, "tag");
remote_client!(
remote_tag_client,
TagServiceClient<tonic::transport::Channel>,
"tag"
);
#[tonic::async_trait]
impl tag_service_server::TagService for GitksService {
@@ -11,7 +15,9 @@ impl tag_service_server::TagService for GitksService {
&self,
request: tonic::Request<ListTagsRequest>,
) -> Result<tonic::Response<ListTagsResponse>, tonic::Status> {
let m = crate::metrics::RequestMetrics::new("gitks.TagService/ListTags");
let inner = request.into_inner();
let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
let repo = self.repo_label(inner.repository.as_ref());
let span = tracing::info_span!("tag.list_tags", %repo);
let _enter = span.enter();
@@ -21,14 +27,20 @@ impl tag_service_server::TagService for GitksService {
if let Some(mut client) =
remote_tag_client(self, inner.repository.as_ref(), false).await?
{
m.record("ok");
return client.list_tags(inner).await;
}
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => {
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => return Err(err),
};
let resp = gb.list_tags(inner).map_err(into_status)?;
tracing::info!(%repo, count = resp.tags.len(), "list_tags done");
m.record("ok");
Ok(tonic::Response::new(resp))
}
@@ -36,7 +48,9 @@ impl tag_service_server::TagService for GitksService {
&self,
request: tonic::Request<GetTagRequest>,
) -> Result<tonic::Response<Tag>, tonic::Status> {
let m = crate::metrics::RequestMetrics::new("gitks.TagService/GetTag");
let inner = request.into_inner();
let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
let repo = self.repo_label(inner.repository.as_ref());
let name = inner.name.clone();
let span = tracing::info_span!("tag.get_tag", %repo, %name);
@@ -47,13 +61,19 @@ impl tag_service_server::TagService for GitksService {
if let Some(mut client) =
remote_tag_client(self, inner.repository.as_ref(), false).await?
{
m.record("ok");
return client.get_tag(inner).await;
}
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => {
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => return Err(err),
};
let resp = gb.get_tag(inner).map_err(into_status)?;
m.record("ok");
Ok(tonic::Response::new(resp))
}
@@ -61,7 +81,9 @@ impl tag_service_server::TagService for GitksService {
&self,
request: tonic::Request<CreateTagRequest>,
) -> Result<tonic::Response<Tag>, tonic::Status> {
let m = crate::metrics::RequestMetrics::new("gitks.TagService/CreateTag");
let inner = request.into_inner();
let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
let repo = self.repo_label(inner.repository.as_ref());
let name = inner.name.clone();
let span = tracing::info_span!("tag.create_tag", %repo, %name);
@@ -72,15 +94,21 @@ impl tag_service_server::TagService for GitksService {
if let Some(mut client) =
remote_tag_client(self, inner.repository.as_ref(), true).await?
{
m.record("ok");
return client.create_tag(inner).await;
}
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => {
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => return Err(err),
};
let resp = gb.create_tag(inner).map_err(into_status)?;
tracing::info!(%repo, %name, "tag created");
self.notify_ref_update(&repo, &format!("refs/tags/{}", name), "", "");
m.record("ok");
Ok(tonic::Response::new(resp))
}
@@ -88,7 +116,9 @@ impl tag_service_server::TagService for GitksService {
&self,
request: tonic::Request<DeleteTagRequest>,
) -> Result<tonic::Response<()>, tonic::Status> {
let m = crate::metrics::RequestMetrics::new("gitks.TagService/DeleteTag");
let inner = request.into_inner();
let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
let repo = self.repo_label(inner.repository.as_ref());
let name = inner.name.clone();
let span = tracing::info_span!("tag.delete_tag", %repo, %name);
@@ -99,15 +129,21 @@ impl tag_service_server::TagService for GitksService {
if let Some(mut client) =
remote_tag_client(self, inner.repository.as_ref(), true).await?
{
m.record("ok");
return client.delete_tag(inner).await;
}
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => {
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => return Err(err),
};
gb.delete_tag(inner).map_err(into_status)?;
tracing::info!(%repo, %name, "tag deleted");
self.notify_ref_update(&repo, &format!("refs/tags/{}", name), "", "");
m.record("ok");
Ok(tonic::Response::new(()))
}
@@ -115,7 +151,9 @@ impl tag_service_server::TagService for GitksService {
&self,
request: tonic::Request<VerifyTagRequest>,
) -> Result<tonic::Response<VerifiedSignature>, tonic::Status> {
let m = crate::metrics::RequestMetrics::new("gitks.TagService/VerifyTag");
let inner = request.into_inner();
let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
let repo = self.repo_label(inner.repository.as_ref());
let name = inner.name.clone();
let span = tracing::info_span!("tag.verify_tag", %repo, %name);
@@ -126,14 +164,20 @@ impl tag_service_server::TagService for GitksService {
if let Some(mut client) =
remote_tag_client(self, inner.repository.as_ref(), false).await?
{
m.record("ok");
return client.verify_tag(inner).await;
}
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => {
crate::metrics::record_rpc_error(&m, &err);
return Err(err);
}
Err(err) => return Err(err),
};
let resp = gb.verify_tag(inner).map_err(into_status)?;
tracing::info!(%repo, %name, verified = resp.verified, "tag verified");
m.record("ok");
Ok(tonic::Response::new(resp))
}
}