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This patch adds support for opentelemetry tracing as well as better logging.
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@@ -31,3 +31,6 @@ result | |
/priv/plts/*.plt | ||
/priv/plts/*.plt.hash | ||
node_modules | ||
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/priv/css/* | ||
tempo-data |
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import Config | ||
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if System.get_env("NEXTLS_OTEL") == "1" do | ||
config :next_ls, | ||
otel: true | ||
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config :opentelemetry_exporter, | ||
otlp_protocol: :grpc, | ||
otlp_endpoint: "http://localhost:4317" | ||
else | ||
config :opentelemetry, traces_exporter: :none | ||
end |
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version: "3" | ||
services: | ||
tempo: | ||
image: grafana/tempo:latest | ||
command: [ "-config.file=/etc/tempo.yaml" ] | ||
volumes: | ||
- ./tempo.yaml:/etc/tempo.yaml | ||
- ./tempo-data:/tmp/tempo | ||
ports: | ||
- "14268:14268" # jaeger ingest | ||
- "3200:3200" # tempo | ||
# - "4317:4317" # otlp grpc | ||
# - "4318:4318" # otlp http | ||
- "9411:9411" # zipkin | ||
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otel-collector: | ||
image: otel/opentelemetry-collector:0.61.0 | ||
command: [ "--config=/etc/otel-collector.yaml" ] | ||
volumes: | ||
- ./otel-collector.yaml:/etc/otel-collector.yaml | ||
ports: | ||
- "4317:4317" # otlp grpc | ||
- "4318:4318" # otlp http | ||
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prometheus: | ||
image: prom/prometheus:latest | ||
command: | ||
- --config.file=/etc/prometheus.yaml | ||
- --web.enable-remote-write-receiver | ||
- --enable-feature=exemplar-storage | ||
volumes: | ||
- ./prometheus.yaml:/etc/prometheus.yaml | ||
ports: | ||
- "9090:9090" | ||
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grafana: | ||
image: grafana/grafana:9.4.3 | ||
volumes: | ||
- ./grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml | ||
environment: | ||
- GF_AUTH_ANONYMOUS_ENABLED=true | ||
- GF_AUTH_ANONYMOUS_ORG_ROLE=Admin | ||
- GF_AUTH_DISABLE_LOGIN_FORM=true | ||
- GF_FEATURE_TOGGLES_ENABLE=traceqlEditor | ||
ports: | ||
- "3000:3000" | ||
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apiVersion: 1 | ||
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datasources: | ||
- name: Prometheus | ||
type: prometheus | ||
uid: prometheus | ||
access: proxy | ||
orgId: 1 | ||
url: http://prometheus:9090 | ||
basicAuth: false | ||
isDefault: false | ||
version: 1 | ||
editable: false | ||
jsonData: | ||
httpMethod: GET | ||
- name: Tempo | ||
type: tempo | ||
access: proxy | ||
orgId: 1 | ||
url: http://tempo:3200 | ||
basicAuth: false | ||
isDefault: true | ||
version: 1 | ||
editable: false | ||
apiVersion: 1 | ||
uid: tempo | ||
jsonData: | ||
httpMethod: GET | ||
serviceMap: | ||
datasourceUid: prometheus |
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defmodule NextLS.OpentelemetryGenLSP do | ||
@moduledoc false | ||
require Logger | ||
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@tracer_id __MODULE__ | ||
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def setup do | ||
:ok = | ||
:telemetry.attach_many( | ||
"gen_lsp-handler", | ||
[ | ||
[:gen_lsp, :notify, :server, :start], | ||
[:gen_lsp, :notify, :server, :stop], | ||
[:gen_lsp, :request, :server, :start], | ||
[:gen_lsp, :request, :server, :stop], | ||
[:gen_lsp, :request, :client, :start], | ||
[:gen_lsp, :request, :client, :stop], | ||
[:gen_lsp, :notification, :client, :start], | ||
[:gen_lsp, :notification, :client, :stop], | ||
[:gen_lsp, :handle_request, :start], | ||
[:gen_lsp, :handle_request, :stop], | ||
[:gen_lsp, :handle_notification, :start], | ||
[:gen_lsp, :handle_notification, :stop], | ||
[:gen_lsp, :handle_info, :start], | ||
[:gen_lsp, :handle_info, :stop] | ||
# [:gen_lsp, :buffer, :outgoing, :start], | ||
# [:gen_lsp, :buffer, :outgoing, :stop], | ||
# [:gen_lsp, :buffer, :incoming, :start], | ||
# [:gen_lsp, :buffer, :incoming, :stop] | ||
], | ||
&__MODULE__.process/4, | ||
nil | ||
) | ||
end | ||
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def process([:gen_lsp, type1, type2, :start], _measurements, metadata, _config) do | ||
OpentelemetryTelemetry.start_telemetry_span( | ||
@tracer_id, | ||
:"gen_lsp.#{type1}.#{type2}", | ||
metadata, | ||
%{kind: :server, attributes: metadata} | ||
) | ||
end | ||
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def process([:gen_lsp, handle, :start], _measurements, metadata, _config) do | ||
if handle in [:handle_request, :handle_notification] do | ||
# set attribute for parent span | ||
OpenTelemetry.Tracer.set_attribute(:method, metadata[:method]) | ||
end | ||
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OpentelemetryTelemetry.start_telemetry_span( | ||
@tracer_id, | ||
:"next_ls.#{handle}", | ||
metadata, | ||
%{kind: :server, attributes: metadata} | ||
) | ||
end | ||
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def process([:gen_lsp, _, _, :stop], _measurements, metadata, _config) do | ||
OpentelemetryTelemetry.set_current_telemetry_span(@tracer_id, metadata) | ||
OpentelemetryTelemetry.end_telemetry_span(@tracer_id, metadata) | ||
end | ||
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def process([:gen_lsp, _, :stop], _measurements, metadata, _config) do | ||
OpentelemetryTelemetry.set_current_telemetry_span(@tracer_id, metadata) | ||
OpentelemetryTelemetry.end_telemetry_span(@tracer_id, metadata) | ||
end | ||
end |
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