zhenyi
8f472a0443
- 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
279 lines
12 KiB
Rust
279 lines
12 KiB
Rust
use crate::pb::commit_service_client::CommitServiceClient;
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use crate::pb::*;
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use super::{GitksService, cache, into_status};
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remote_client!(
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remote_commit_client,
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CommitServiceClient<tonic::transport::Channel>,
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"commit"
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);
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#[tonic::async_trait]
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impl commit_service_server::CommitService for GitksService {
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async fn list_commits(
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&self,
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request: tonic::Request<ListCommitsRequest>,
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) -> Result<tonic::Response<ListCommitsResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.CommitService/ListCommits");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("commit.list_commits", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_commit_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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return client.list_commits(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = if !inner.all && cache::selector_is_oid(&inner.revision) {
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cache::cached_response("commit.list_commits", &inner, || {
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gb.list_commits(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.list_commits(inner).map_err(into_status)?
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};
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tracing::info!(%repo, count = resp.commits.len(), total = resp.page_info.as_ref().map(|p| p.total_count).unwrap_or(0), "list_commits done");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn get_commit(
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&self,
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request: tonic::Request<GetCommitRequest>,
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) -> Result<tonic::Response<Commit>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.CommitService/GetCommit");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("commit.get_commit", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_commit_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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return client.get_commit(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = if cache::selector_is_oid(&inner.revision) {
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cache::cached_response("commit.get_commit", &inner, || {
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gb.get_commit(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.get_commit(inner).map_err(into_status)?
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};
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn get_commit_ancestors(
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&self,
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request: tonic::Request<GetCommitAncestorsRequest>,
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) -> Result<tonic::Response<GetCommitAncestorsResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.CommitService/GetCommitAncestors");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("commit.get_commit_ancestors", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_commit_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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return client.get_commit_ancestors(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = if cache::selector_is_oid(&inner.revision) {
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cache::cached_response("commit.get_commit_ancestors", &inner, || {
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gb.get_commit_ancestors(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.get_commit_ancestors(inner).map_err(into_status)?
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};
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tracing::info!(%repo, count = resp.commits.len(), "get_commit_ancestors done");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn create_commit(
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&self,
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request: tonic::Request<CreateCommitRequest>,
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) -> Result<tonic::Response<CreateCommitResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.CommitService/CreateCommit");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let branch = inner.branch.clone();
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let span = tracing::info_span!("commit.create_commit", %repo, %branch);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_commit_client(self, inner.repository.as_ref(), true).await?
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{
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m.record("ok");
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return client.create_commit(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = gb.create_commit(inner).map_err(into_status)?;
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let commit_hex = resp
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.commit
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.as_ref()
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.and_then(|c| c.oid.as_ref().map(|o| o.hex.as_str()).or(Some("?")))
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.unwrap_or("?");
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tracing::info!(%repo, %branch, %commit_hex, "commit created");
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self.notify_ref_update(&repo, &format!("refs/heads/{}", branch), "", "");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn revert_commit(
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&self,
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request: tonic::Request<RevertCommitRequest>,
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) -> Result<tonic::Response<CreateCommitResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.CommitService/RevertCommit");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let branch = inner.branch.clone();
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let span = tracing::info_span!("commit.revert_commit", %repo, %branch);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_commit_client(self, inner.repository.as_ref(), true).await?
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{
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m.record("ok");
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return client.revert_commit(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = gb.revert_commit(inner).map_err(into_status)?;
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tracing::info!(%repo, %branch, "commit reverted");
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self.notify_ref_update(&repo, &format!("refs/heads/{}", branch), "", "");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn cherry_pick_commit(
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&self,
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request: tonic::Request<CherryPickCommitRequest>,
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) -> Result<tonic::Response<CreateCommitResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.CommitService/CherryPickCommit");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let branch = inner.branch.clone();
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let span = tracing::info_span!("commit.cherry_pick_commit", %repo, %branch);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_commit_client(self, inner.repository.as_ref(), true).await?
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{
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m.record("ok");
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return client.cherry_pick_commit(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = gb.cherry_pick_commit(inner).map_err(into_status)?;
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tracing::info!(%repo, %branch, "commit cherry-picked");
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self.notify_ref_update(&repo, &format!("refs/heads/{}", branch), "", "");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn compare_commits(
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&self,
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request: tonic::Request<CompareCommitsRequest>,
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) -> Result<tonic::Response<CompareCommitsResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.CommitService/CompareCommits");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("commit.compare_commits", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_commit_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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return client.compare_commits(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = if cache::selectors_are_oid(&inner.base, &inner.head) {
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cache::cached_response("commit.compare_commits", &inner, || {
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gb.compare_commits(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.compare_commits(inner).map_err(into_status)?
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};
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tracing::info!(%repo, count = resp.commits.len(), "compare_commits done");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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}
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