feat(opentelemetry sink): new sink #21866
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estherk15
approved these changes
Nov 25, 2024
Co-authored-by: Esther Kim <esthercodes2019@gmail.com>
Co-authored-by: Esther Kim <esthercodes2019@gmail.com>
Co-authored-by: Esther Kim <esthercodes2019@gmail.com>
bfung
approved these changes
Nov 26, 2024
This was referenced Nov 27, 2024
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I am using this to send to from vector to otel with the following config. I set the batch sizes in a way I can see in the console what is produced by vector and what is received by otel. If vector sends one event every second everything is fine, however when sending two events in one second only one is logged by otel. Sending this then to Kafka and elasticsearch I only see 60 events per minute, so somewhere only one event per second is forwarded. Any idea what the problem might be? vector.yaml sources:
docker:
# Reads logs from Docker containers via the Docker socket
type: docker_logs
# endpoint: "unix:///var/run/docker.sock"
# include_containers:
# - "my_container_name"
exclude_containers:
- otel-otel-collector
transforms:
enrich:
type: remap
inputs: ["docker"]
source: |
# Log ID
.logId = uuid_v4()
# Severity
.severity = "UNKNOWN"
if contains(string!(.message), "info", case_sensitive: false) {
.severity = "INFO"
.severityNumber = 9
} else if contains(string!(.message), "trace", case_sensitive: false) {
.severity = "TRACE"
.severityNumber = 1
} else if contains(string!(.message), "debug", case_sensitive: false) {
.severity = "DEBUG"
.severityNumber = 5
} else if contains(string!(.message), "warn", case_sensitive: false) {
.severity = "WARN"
.severityNumber = 13
} else if contains(string!(.message), "error", case_sensitive: false) {
.severity = "ERROR"
.severityNumber = 17
} else if contains(string!(.message), "fatal", case_sensitive: false) {
.severity = "FATAL"
.severityNumber = 21
}
otel_remap:
# https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/logs/data-model.md
# https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/protocol/file-exporter.md#examples
inputs: ["enrich"]
type: "remap"
source: |
.resourceLogs = [
{
"resource": {
"attributes": [
{ "key": "host.hostname", "value": { "stringValue": .host.hostname } },
{ "key": "service.name", "value": { "stringValue": .container_name} },
{ "key": "source_type", "value": { "stringValue": .source_type } }
]
},
"scopeLogs": [
{
"scope": {},
"logRecords": [
{
"timeUnixNano": to_unix_timestamp!(.timestamp, unit: "nanoseconds"),
"body": { "stringValue": .message },
"severityText": .severity,
"severityNumber": .severityNumber,
"attributes": [
{ "key": "container_created_at", "value": { "stringValue": to_string!(.container_created_at) } },
{ "key": "log_id", "value": { "stringValue": .logId } },
{ "key": "container_id", "value": { "stringValue": .container_id } },
{ "key": "container_name", "value": { "stringValue": .container_name } },
{ "key": "host", "value": { "stringValue": "${HOST_HOSTNAME}" } },
{ "key": "image", "value": { "stringValue": .image } },
# Optionally include other fields like .stream, .message, etc.
{ "key": "stream", "value": { "stringValue": .stream } }
]
}
]
}
]
}
]
.
sinks:
console:
inputs:
- otel_remap
target: stdout
type: console
encoding:
codec: json
otel:
type: opentelemetry
inputs:
- otel_remap
protocol:
type: http
uri: "http://otel-collector:4318/v1/logs"
method: post
batch:
timeout_secs: 1
encoding:
codec: json
framing:
method: newline_delimited
request:
headers:
content-type: application/jsonotel config receivers:
otlp:
protocols:
http:
endpoint: 0.0.0.0:4318
processors:
batch:
timeout: 1s
send_batch_size: 1
exporters:
debug:
verbosity: detailed
service:
pipelines:
logs:
receivers: [otlp]
processors: []
exporters: [debug,kafka]services:
otel-collector:
image: otel/opentelemetry-collector-contrib:0.119.0
restart: always
user: "0"
env_file:
- .env
environment:
- OTEL_LOG_LEVEL=debug
volumes:
- ./otel-collector-config.yaml:/etc/otelcol-contrib/config.yaml
- /var/lib/docker/containers:/var/lib/docker/containers:ro
ports:
- 1888:1888 # pprof extension
- 8888:8888 # Prometheus metrics exposed by the Collector
- 8889:8889 # Prometheus exporter metrics
- 13133:13133 # health_check extension
- 4317:4317 # OTLP gRPC receiver
- 4318:4318 # OTLP http receiver
- 55679:55679 # zpages extension
vector:
image: timberio/vector:0.44.0-alpine
restart: always
user: "0"
environment:
- VECTOR_LOG=info
- HOST_HOSTNAME=fetcher1
depends_on:
- otel-collector
volumes:
# Mount Docker socket read-only so Vector can read logs directly
- /var/run/docker.sock:/var/run/docker.sock:ro
# Mount your Vector config file
- ./vector.yaml:/etc/vector/vector.yaml:ro
command: ["--config", "/etc/vector/vector.yaml"]
# Optionally expose or publish ports for Vector's own internal metrics
# ports:
# - 8686:8686 |
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Summary
This PR introduces basic support for pushing data to OTEL.
There are numerous potential improvements:
Which will be tackled in future releases.
Change Type
Is this a breaking change?
How did you test this PR?
Vector Config
Run Vector:
OTEL config:
Run OTEL collector:
Sample output:
Does this PR include user facing changes?
Checklist
Cargo.lock), pleaserun
dd-rust-license-tool writeto regenerate the license inventory and commit the changes (if any). More details here.References
opentelemetrysource and sink #1444