I am seeing the following log in the Opentelemetry Collector:
warn zapgrpc/zapgrpc.go:195 [core] [Channel #1 SubChannel #2] grpc: addrConn.createTransport failed to connect to {Addr: "tempo:4317", ServerName: "tempo:4317", }. Err: connection error: desc = "transport: Error while dialing: dial tcp 192.168.112.2:4317: connect: connection refused" {"grpc_log": true}
Docker Compose:
version: '3'
services:
loki:
image: grafana/loki:main
command: [ "-config.file=/etc/loki/local-config.yaml" ]
ports:
- "3100:3100"
prometheus:
image: prom/prometheus:latest
ports:
- "9090:9090"
volumes:
- ${OSI_DOCKER_ROOT}\prometheus\prometheus.yml:/etc/prometheus/prometheus.yml
command:
- '--config.file=/etc/prometheus/prometheus.yml'
tempo:
image: grafana/tempo:2.2.2
command: [ "-config.file=/etc/tempo.yml" ]
volumes:
- ${OSI_DOCKER_ROOT}\tempo\tempo.yml:/etc/tempo.yml:ro
- ${OSI_DOCKER_ROOT}\tempo\tempo-data:/tmp/tempo
ports:
- "3110:3100" # Tempo
- "4317" # otlp grpc
grafana:
image: grafana/grafana:latest
volumes:
- ./grafana:/etc/grafana/provisioning/datasources:ro
environment:
- GF_AUTH_ANONYMOUS_ENABLED=true
- GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
- GF_AUTH_DISABLE_LOGIN_FORM=true
ports:
- "3000:3000"
otel-collector:
image: otel/opentelemetry-collector-contrib
command:
- --config=/etc/otelcol-cont/config.yml
volumes:
- ${OSI_DOCKER_ROOT}\collector\otel-collector-config.yml:/etc/otelcol-cont/config.yml
ports:
- 1888:1888 # pprof extension
- 8889:8889 # Prometheus metrics exposed by the Collector
- 8890:8890 # Prometheus exporter metrics
- 13133:13133 # health_check extension
- 4317:4317 # OTLP gRPC receiver
- 4318:4318 # OTLP http receiver
- 55679:55679 # zpages extension
tempo.yml
server:
http_listen_port: 3200
distributor:
receivers: # this configuration will listen on all ports and protocols that tempo is capable of.
jaeger: # the receivers all come from the OpenTelemetry collector. more configuration information can
protocols: # be found there: https://github.com/open-telemetry/opentelemetry-collector/tree/main/receiver
thrift_http: #
grpc: # for a production deployment you should only enable the receivers you need!
thrift_binary:
thrift_compact:
ingester:
max_block_duration: 5m # cut the headblock when this much time passes. this is being set for demo purposes and should probably be left alone normally
compactor:
compaction:
block_retention: 1h # overall Tempo trace retention. set for demo purposes
metrics_generator:
registry:
external_labels:
source: tempo
cluster: docker-compose
storage:
path: /tmp/tempo/generator/wal
storage:
trace:
backend: local # backend configuration to use
wal:
path: /tmp/tempo/wal # where to store the the wal locally
local:
path: /tmp/tempo/blocks
overrides:
metrics_generator_processors: [service-graphs, span-metrics] # enables metrics generator
