Closed as not planned
Description
Component(s)
receiver/hostmetrics
What happened?
Description
Attempting to collect per-process metrics fails as no Username can be found for a given PID's UID.
Steps to Reproduce
Enabling the collection of per-process metrics via the following config (and running as root):
receivers:
hostmetrics:
scrapers:
process:
mute_process_name_error: true
Expected Result
Production of per-process metrics
Actual Result
No per-process metrics are created.
Collector version
v0.60.0
Environment information
Environment
OS: CentOS Linux release 7.9.2009 (Core)
OpenTelemetry Collector configuration
extensions:
health_check:
endpoint: 0.0.0.0:13133
memory_ballast:
size_mib: 683
zpages:
endpoint: ":55679"
receivers:
hostmetrics:
collection_interval: 5s
scrapers:
cpu:
disk:
filesystem:
memory:
network:
load:
paging:
processes:
process:
mute_process_name_error: true
otlp:
protocols:
grpc:
endpoint: 0.0.0.0:4317
http:
endpoint: 0.0.0.0:4318
processors:
batch:
memory_limiter:
check_interval: 2s
limit_mib: 1024
resourcedetection:
detectors: [gce, ecs, ec2, azure, system]
override: true
resource/add_environment:
attributes:
- action: insert
value: LOCAL
key: deployment.environment
exporters:
# Traces
otlp:
endpoint: <SOME_OTHER_SERVER>:4317
tls:
insecure: true
logging:
loglevel: info
service:
extensions: [memory_ballast, health_check, zpages]
pipelines:
traces:
receivers: [otlp]
processors: [memory_limiter, batch, resourcedetection, resource/add_environment]
exporters: [otlp, logging]
metrics:
receivers: [hostmetrics, otlp]
processors: [memory_limiter, batch, resourcedetection, resource/add_environment]
exporters: [otlp, logging]Log output
2022-12-20T15:23:28.574Z info service/service.go:129 Everything is ready. Begin running and processing data.
2022-12-20T15:23:32.894Z error scraperhelper/scrapercontroller.go:197 Error scraping metrics {"kind": "receiver", "name": "hostmetrics", "pipeline": "metrics", "error": "error reading parent pid for process \"systemd\" (pid 1): invalid pid 0; error reading username for process \"nemo\" (pid 963): user: unknown userid 247235611; error reading username for process \"gnome-keyring-daemon\" (pid 4108): user: unknown userid 247235611; error reading username for process \"cinnamon-session\" (pid 4179): user: unknown userid 247235611; error reading username for process \"dbus-launch\" (pid 4190): user: unknown userid 247235611;
...
...Additional context
Using an ActiveDirectory-based authentication system via sssd which means that a local user account may not exist for a logged-in user. Running the Collector as root i.e. not the UID that is failing lookup