config.yaml environment variables ${env:FOO} $FOO

[systems1]

Describe the bug
A clear and concise description of what the bug is.
bash shell ,environment values not interpolating in config.yaml

Steps to reproduce
If possible, provide a recipe for reproducing the error.

use grafana.com prometheus client_auth config file

docker run --rm -p 13133:13133 -p 55679:55679 -p 8888:8888 -p 4317:4317 -v $(pwd)/configdev.yaml:/etc/otelcol-contrib/config.yaml otel/opentelemetry-collector-contrib:0.90.1

What did you expect to see?
A clear and concise description of what you expected to see.

Everything is ready. Begin running and processing data.

What did you see instead?
A clear and concise description of what you saw instead.

Error: failed to build extensions: failed to create extension "basicauth/metrics": no credential source provided
2023/12/15 08:42:11 collector server run finished with error: failed to build extensions: failed to create extension "basicauth/metrics": no credential source provided

Error: failed to build pipelines: failed to create "prometheusremotewrite" exporter for data type "metrics": invalid endpoint
2023/12/15 08:39:45 collector server run finished with error: failed to build pipelines: failed to create "prometheusremotewrite" exporter for data type "metrics": invalid endpoint

Error: failed to build pipelines: failed to create "attributes" processor, in pipeline "metrics": error creating AttrProc. Either field "value", "from_attribute" or "from_context" setting must be specified for 0-th action
2023/12/15 08:37:51 collector server run finished with error: failed to build pipelines: failed to create "attributes" processor, in pipeline "metrics": error creating AttrProc. Either field "value", "from_attribute" or "from_context" setting must be specified for 0-th action

What version did you use?
Version: (e.g., v0.4.0, 1eb551b, etc)
v0.90.1
What config did you use?
Config: (e.g. the yaml config file)
attaching config file with comments of variables not working

Environment
OS: (e.g., "Ubuntu 20.04")
Compiler(if manually compiled): (e.g., "go 14.2")
ubuntu 20 ,bash

Additional context
Add any other context about the problem here.

http://localhost:13133 didnt work
http://localhost:55679 didnt work
http://localhost:8888/metrics works
configdev.yaml.txt

#5228 (comment)

extensions:
  basicauth/metrics:
    client_auth:
      username: "xxxx"
      #password: "xxxxxxx"
      #username: ${env:PROM_USERNAME} #didnt work
      password: ${env:PROM_PASSWORD}  #worked
processors:
  batch:
    timeout: 10s
  attributes:
    actions:
      - action: insert
        key: env
        #value: dev               #worked
        #value: ${env:DEPLOY_ENV} #didnt work
        #value: $DEPLOY_ENV       #worked
        value: ${DEPLOY_ENV}      #worked

[systems1]

validate config file not returning any output working or non working config file
./otelcol-contrib validate --config=file:./configdev.yaml
:>./otelcol-contrib -v
otelcol-contrib version 0.91.0

[mx-psi]

@systems1 Is this still an issue? I edited your issue description for clarity. I am not able to reproduce, and, as it currently stands it is hard to understand what went wrong. Could you let us know if this is still causing trouble?

[systems1]

@mx-psi this issue is related to #10161
used opentelemetry-collector-contrib docker image

[mx-psi]

#10161 is closed. I am going to close this since we were unable to reproduce, but if you have more details that can help us reproduce please let me know @systems1 and I can reopen this. Tahnks!