Error reading username for process

[mikec775]

error scraperhelper/scrapercontroller.go:200 Error scraping metrics {"kind": "receiver", "name": "hostmetrics", "data_type": "metrics", "error": "error reading username for process "otelcol" (pid 1): open /etc/passwd: no such file or directory", "scraper": "process"}

I get this error when trying to run open tel collector on docker. Below is my otel-collector-config file.

receivers:
otlp:
protocols:
grpc:
endpoint: localhost:4317
http:
endpoint: localhost:4318

hostmetrics:
collection_interval: 30s
scrapers:
cpu: {}
disk: {}
load: {}
filesystem: {}
memory: {}
network: {}
paging: {}
process:
mute_process_name_error: true
mute_process_exe_error: true
mute_process_io_error: true
processes: {}

processors:
batch:
send_batch_size: 10000
timeout: 10s

exporters:
otlp:
endpoint: "https://ingest.eu.signoz.cloud:443"
tls:
insecure: false
headers:
"signoz-access-token": "redacted"
prometheus:
endpoint: "0.0.0.0:8889"

extensions:
health_check:
endpoint: 0.0.0.0:13133

service:
telemetry:
metrics:
address: localhost:8888
extensions: [health_check]
pipelines:
metrics:
receivers: [otlp]
processors: [batch]
exporters: [otlp]
metrics/hostmetrics:
receivers: [hostmetrics]
processors: [batch]
exporters: [otlp]

[github-actions]

Pinging code owners for receiver/hostmetrics: @dmitryax @braydonk. See Adding Labels via Comments if you do not have permissions to add labels yourself.

[crobert-1]

Hello @mikec775, the error message is saying that there isn't any file within your docker container at the path of /etc/passwd. There's a section of the README that covers running the hostmetrics receiver within a docker container, hopefully that helps.

[github-actions]

This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping @open-telemetry/collector-contrib-triagers. If this issue is still relevant, please ping the code owners or leave a comment explaining why it is still relevant. Otherwise, please close it.

Pinging code owners:

• receiver/hostmetrics: @dmitryax @braydonk

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[github-actions]

This issue has been closed as inactive because it has been stale for 120 days with no activity.