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Add Embedder Component #3526

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2381dc7
Add embedder
Matts966 Apr 21, 2026
bbe40e9
Add embedder gateway wrapper
Matts966 Apr 24, 2026
10bbb60
Fix embedder build inputs
Matts966 Apr 24, 2026
73222d6
:robot: Update license headers / Format go codes and yaml files
vdaas-ci Apr 24, 2026
c810873
Add embedder e2e test scenario
Matts966 May 7, 2026
9efe795
:robot: Update license headers / Format go codes and yaml files
vdaas-ci May 7, 2026
b674f38
Try patch
Matts966 May 7, 2026
2b91e5e
Use openai cspell
Matts966 May 7, 2026
be7a9c0
:robot: Update license headers / Format go codes and yaml files
vdaas-ci May 7, 2026
4a55076
Implement Flush API
Matts966 May 13, 2026
400dc85
Try new settings
Matts966 May 13, 2026
f1743b0
Tune embedder e2e client health checks
Matts966 May 14, 2026
fcd6781
Comment out metadata cases until it merged
Matts966 May 14, 2026
87dc7f7
Try status_code: not_found
Matts966 May 14, 2026
d12259a
Use repeat
Matts966 May 18, 2026
12a6265
Handle deepsource issues
Matts966 May 19, 2026
60ca0c1
:robot: Update license headers / Format go codes and yaml files
vdaas-ci May 20, 2026
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4 changes: 4 additions & 0 deletions .cspell.json
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,7 @@
"Nbits",
"Nocie",
"ONNX",
"openai",
"Oneof",
"Outdegree",
"Outf",
Expand Down Expand Up @@ -1196,13 +1197,15 @@
"brandguidelines",
"clusterrolebinding",
"conflint",
"conninfo",
"contributorsrc",
"conv",
"darkgray",
"getstarted",
"gitfiles",
"gongt",
"helmignore",
"hono",
"kosarak",
"kustomization",
"lycorp",
Expand All @@ -1211,6 +1214,7 @@
"nytimes",
"priorityclass",
"promtail",
"argparse",
"serviceaccount",
"sidecard",
"testdata",
Expand Down
38 changes: 38 additions & 0 deletions .gitfiles
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Original file line number Diff line number Diff line change
Expand Up @@ -193,6 +193,9 @@ apis/grpc/v1/agent/sidecar/sidecar.pb.go
apis/grpc/v1/agent/sidecar/sidecar_vtproto.pb.go
apis/grpc/v1/discoverer/discoverer.pb.go
apis/grpc/v1/discoverer/discoverer_vtproto.pb.go
apis/grpc/v1/embedder/embedder.pb.go
apis/grpc/v1/embedder/embedder.pb.json.go
apis/grpc/v1/embedder/embedder_vtproto.pb.go
apis/grpc/v1/filter/egress/egress_filter.pb.go
apis/grpc/v1/filter/egress/egress_filter_vtproto.pb.go
apis/grpc/v1/filter/ingress/ingress_filter.pb.go
Expand Down Expand Up @@ -241,6 +244,7 @@ apis/grpc/v1/vald/vald.go
apis/proto/v1/agent/core/agent.proto
apis/proto/v1/agent/sidecar/sidecar.proto
apis/proto/v1/discoverer/discoverer.proto
apis/proto/v1/embedder/embedder.proto
Comment thread
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Matts966 marked this conversation as resolved.
apis/proto/v1/filter/egress/egress_filter.proto
apis/proto/v1/filter/ingress/ingress_filter.proto
apis/proto/v1/meta/meta.proto
Expand All @@ -265,6 +269,7 @@ apis/proto/v1/vald/upsert.proto
apis/swagger/v1/agent/core/agent.swagger.json
apis/swagger/v1/agent/sidecar/sidecar.swagger.json
apis/swagger/v1/discoverer/discoverer.swagger.json
apis/swagger/v1/embedder/embedder.swagger.json
apis/swagger/v1/filter/egress/egress_filter.swagger.json
apis/swagger/v1/filter/ingress/ingress_filter.swagger.json
apis/swagger/v1/meta/meta.swagger.json
Expand Down Expand Up @@ -606,6 +611,9 @@ cmd/tools/cli/benchmark/core/main_test.go
cmd/tools/cli/vdctl/doc.go
cmd/tools/cli/vdctl/main.go
cmd/tools/cli/vdctl/main_test.go
cmd/tools/embedder/doc.go
cmd/tools/embedder/main.go

@coderabbitai coderabbitai Bot May 7, 2026

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⚠️ Potential issue | 🟠 Major | 🏗️ Heavy lift

Several new embedder implementation files ship without matching unit tests.

From this manifest, cmd/tools/embedder/main.go, pkg/tools/embedder/handler/grpc/handler.go, pkg/tools/embedder/handler/grpc/option.go, the pkg/tools/embedder/service/*.go files, and the pkg/tools/embedder/usecase/*.go files do not have corresponding *_test.go entries. That leaves most of the new component’s core paths unverified in this PR.

As per coding guidelines: "Each implementation file must come with its unit test file with *_test.go postfix".

Also applies to: 2287-2305

🤖 Prompt for AI Agents 
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.gitfiles at line 615, Add unit test files for every new implementation file
listed: create *_test.go files for cmd/tools/embedder/main.go,
pkg/tools/embedder/handler/grpc/handler.go,
pkg/tools/embedder/handler/grpc/option.go and for each file under
pkg/tools/embedder/service/ and pkg/tools/embedder/usecase/. For each test file,
target the exported functions and methods (eg. the Serve/Handle methods in
grpc/handler.go, option parsing in option.go, and each public service/usecase
function), use table-driven tests for normal and error cases, and inject/mocк
dependencies (interfaces) to isolate logic; place tests in the same package or
package_name_test as appropriate and name files with the _test.go suffix so they
run under go test. Ensure coverage includes success, failure, and edge paths and
that any gRPC handlers are exercised via grpc/test utilities or mocked servers.

cmd/tools/embedder/sample.yaml
codecov.yaml
design/Vald Architecture Assets.drawio
design/Vald Architecture Dataflow.drawio
Expand Down Expand Up @@ -836,6 +844,7 @@ hack/tools/deadlink/main.go
hack/tools/kvsdb/main.go
hack/tools/metrics/main.go
hack/tools/metrics/main_test.go
hack/tools/openai-embedding-mock/main.go
internal/backoff/backoff.go
internal/backoff/backoff_test.go
internal/backoff/context.go
Expand Down Expand Up @@ -2271,6 +2280,29 @@ pkg/tools/benchmark/operator/service/option_test.go
pkg/tools/benchmark/operator/usecase/benchmarkd.go
pkg/tools/benchmark/operator/usecase/benchmarkd_test.go
pkg/tools/benchmark/operator/usecase/doc.go
pkg/tools/embedder/README.md
pkg/tools/embedder/config/config.go
pkg/tools/embedder/config/config_test.go
pkg/tools/embedder/handler/doc.go
pkg/tools/embedder/handler/grpc/handler.go
pkg/tools/embedder/handler/grpc/option.go
pkg/tools/embedder/handler/rest/handler.go
pkg/tools/embedder/handler/rest/handler_test.go
pkg/tools/embedder/handler/rest/option.go
pkg/tools/embedder/handler/rest/option_test.go
pkg/tools/embedder/router/option.go
pkg/tools/embedder/router/option_test.go
pkg/tools/embedder/router/router.go
pkg/tools/embedder/router/router_test.go

@github-actions github-actions Bot May 19, 2026

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[file name cspell] reported by reviewdog 🐶
Unknown word (devserver) Suggestions: [deserver, deserve, deserter, deserved, deserves]

pkg/tools/embedder/service/doc.go
pkg/tools/embedder/service/embedder.go
pkg/tools/embedder/service/llm.go
pkg/tools/embedder/service/llm_option.go

@github-actions github-actions Bot May 19, 2026

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[file name cspell] reported by reviewdog 🐶
Unknown word (esbuild) Suggestions: [ebuild, tsbuild, TSBuild, build, rebuild]

pkg/tools/embedder/service/meta.go
pkg/tools/embedder/service/option.go
pkg/tools/embedder/usecase/agentd.go
pkg/tools/embedder/usecase/doc.go
pkg/tools/embedder/usecase/embedder.go
renovate.json
rust/Cargo.lock
rust/Cargo.toml
Expand Down Expand Up @@ -2328,6 +2360,10 @@ rust/libs/proto/src/core/v1/mod.rs
rust/libs/proto/src/discoverer/mod.rs
rust/libs/proto/src/discoverer/v1/discoverer.v1.tonic.rs
rust/libs/proto/src/discoverer/v1/mod.rs
rust/libs/proto/src/embedder.v1.tonic.rs

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[file name cspell] reported by reviewdog 🐶
Unknown word (sveltekit) Suggestions: [sveltest, sleekit, svelte, svelter, sveltely]

rust/libs/proto/src/embedder/v1/embedder.v1.rs
rust/libs/proto/src/embedder/v1/embedder.v1.serde.rs

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[file name cspell] reported by reviewdog 🐶
Unknown word (tanstack) Suggestions: [daostack, jamstack, DAOstack, attack, tanta]

rust/libs/proto/src/embedder/v1/embedder.v1.tonic.rs
rust/libs/proto/src/filter/egress/mod.rs
rust/libs/proto/src/filter/egress/v1/filter.egress.v1.tonic.rs
rust/libs/proto/src/filter/egress/v1/mod.rs
Expand Down Expand Up @@ -2394,6 +2430,7 @@ tests/e2e/pkg/agent/core/ngt/service/ngt_e2s_test.go
tests/e2e/sidecar/sidecar_test.go
tests/performance/max_vector_dim_test.go
tests/v2/e2e/assets/agent_crud.yaml
tests/v2/e2e/assets/embedder.yaml
tests/v2/e2e/assets/index_correction.yaml
tests/v2/e2e/assets/multi_crud.yaml
tests/v2/e2e/assets/readreplica.yaml
Expand All @@ -2405,6 +2442,7 @@ tests/v2/e2e/config/enums.go
tests/v2/e2e/crud/agent_test.go
tests/v2/e2e/crud/crud_test.go
tests/v2/e2e/crud/dataset_test.go
tests/v2/e2e/crud/embedder_test.go
tests/v2/e2e/crud/grpc_test.go
tests/v2/e2e/crud/index_test.go
tests/v2/e2e/crud/kubernetes_test.go
Expand Down
Empty file modified .github/ISSUE_TEMPLATE/bug_report.md
100755 → 100644
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Empty file modified .github/ISSUE_TEMPLATE/feature_request.md
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Empty file modified .github/PULL_REQUEST_TEMPLATE.md
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115 changes: 115 additions & 0 deletions .github/workflows/e2e.v2.yaml
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Expand Up @@ -66,6 +66,7 @@ jobs:
{ scenario: "stream_crud", deployment: "helm-chart", cluster: "k3d", environment: "null" },
{ scenario: "unary_crud", deployment: "helm-chart", cluster: "k3d", environment: "null" },
{ scenario: "multi_crud", deployment: "helm-chart", cluster: "k3d", environment: "null" },
{ scenario: "embedder", deployment: "helm-chart", cluster: "k3d", environment: "null" },
{ scenario: "rollout", deployment: "helm-chart", cluster: "k3d", environment: "null" },
{ scenario: "stream_crud", deployment: "helm-operator", cluster: "k3d", environment: "null" },
{ scenario: "index_correction", deployment: "helm-chart", cluster: "k3d", environment: "management" },
Expand Down Expand Up @@ -225,6 +226,112 @@ jobs:
with:
helm_extra_options: "--set networkChaos.${{ matrix.environment }}.enabled=true"

- name: Start Mock OpenAI compatible embedding API
if: ${{ matrix.scenario == 'embedder' }}
shell: bash
run: |
nohup go run ./hack/tools/openai-embedding-mock >/tmp/mock-openai.log 2>&1 &
for i in $(seq 1 30); do
if curl -fsS http://127.0.0.1:18000/healthz >/dev/null; then
break
fi
sleep 1
done
curl -fsS http://127.0.0.1:18000/healthz >/dev/null

- name: Start Embedder for E2E smoke scenario
if: ${{ matrix.scenario == 'embedder' }}
shell: bash
run: |
kubectl port-forward -n default svc/vald-lb-gateway 18081:8081 >/tmp/vald-port-forward.log 2>&1 &
kubectl port-forward -n default svc/vald-meta-gateway 18082:8081 >/tmp/meta-port-forward.log 2>&1 &
cat > /tmp/embedder-e2e.yaml <<'YAML'
version: v0.0.0
time_zone: UTC
logging:
format: raw
level: info
logger: glg
server_config:
servers:
- name: grpc
host: 0.0.0.0
port: 28081
grpc:
bidirectional_stream_concurrency: 20
mode: GRPC
probe_wait_time: 1s
restart: true
health_check_servers:
- name: liveness
host: 0.0.0.0
port: 3300
http:
shutdown_duration: 5s
probe_wait_time: 1s
- name: readiness
host: 0.0.0.0
port: 3301
http:
shutdown_duration: 0s
probe_wait_time: 1s
startup_strategy:
- liveness
- grpc
- readiness
full_shutdown_duration: 30s
observability:
enabled: false
client:
addrs:
- 127.0.0.1:18081
health_check_duration: 30s
connection_pool:
enable_dns_resolver: true
enable_rebalance: true
old_conn_close_duration: 3s
rebalance_duration: 30m
size: 1
call_option:
wait_for_ready: true
dial_option:
insecure: true
min_connection_timeout: 20s
# meta is optional: comment out when vald-meta-gateway is not deployed
# meta:
# host: 127.0.0.1
# port: 18082
# client:
# addrs:
# - 127.0.0.1:18082
# health_check_duration: 30s
# connection_pool:
# enable_dns_resolver: true
# enable_rebalance: true
# old_conn_close_duration: 3s
# rebalance_duration: 30m
# size: 1
# call_option:
# wait_for_ready: true
# dial_option:
# insecure: true
# min_connection_timeout: 20s
llm:
provider: openai
openai:
token: test-token
model: text-embedding-3-small
base_url: http://127.0.0.1:18000/v1
YAML
nohup go run ./cmd/tools/embedder -c /tmp/embedder-e2e.yaml >/tmp/embedder-e2e.log 2>&1 &
for i in $(seq 1 60); do
if curl -fsS http://127.0.0.1:3301/readiness >/dev/null 2>&1; then
break
fi
sleep 1
done
curl -fsS http://127.0.0.1:3301/readiness >/dev/null

- name: Deploy profefe
if: ${{ matrix.environment == 'profile' }}
shell: bash
Expand Down Expand Up @@ -263,6 +370,14 @@ jobs:
kubectl get pods
kubectl describe pods
kubectl describe pvc
if [[ -f /tmp/mock-openai.log ]]; then
echo "--- /tmp/mock-openai.log ---"
cat /tmp/mock-openai.log
fi
if [[ -f /tmp/embedder-e2e.log ]]; then
echo "--- /tmp/embedder-e2e.log ---"
cat /tmp/embedder-e2e.log
fi

slack-notification:
timeout-minutes: 30
Expand Down
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