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Run as non-root user on kubernetes #56

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ebarped opened this issue Oct 25, 2021 · 1 comment
Open

Run as non-root user on kubernetes #56

ebarped opened this issue Oct 25, 2021 · 1 comment
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@czerwonk

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@ebarped
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ebarped commented Oct 25, 2021 •
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Hi!

Im trying to run this exporter on kubernetes without being a root user.

Currently, i can at least execute it as root but with dropped capabilities:

securityContext:
  capabilities:
    drop:
      - all
    add: ["NET_RAW"]

But when i change to a non-root user, with the following securityContext:

securityContext:
  runAsUser: 65534
  runAsNonRoot: true
  capabilities:
    drop:
      - all
    add: ["NET_RAW"]

it fails with:
ERRO[0000] cannot start monitoring: listen ip4:icmp 0.0.0.0: socket: operation not permitted

I have tried to add more capabilities (NET_ADMIN, SYS_ADMIN) without success.
@drTr0jan
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drTr0jan commented Jul 1, 2022

The problem is here: Pinger.New() can only create privileged icmp.PacketConn

@czerwonk czerwonk self-assigned this Jul 1, 2022
freebsd-git pushed a commit to freebsd/freebsd-ports that referenced this issue Jul 14, 2022
@drTr0jan @nunotexbsd
net-mgmt/ping_exporter: Update to 1.0.0
c15d387 
 - Switched to GO_MODULE
 - Fixed "Run as non-root user"
( czerwonk/ping_exporter#56 ) by setuid bit
 - Added ping_exporter_syslog_output_* params to rc-script for syslog
   output tuning

ChangeLog:
https://github.com/czerwonk/ping_exporter/releases/tag/1.0.0

PR:		264048
Approved by:	maintainer timeout > 1 month
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@czerwonk @drTr0jan @ebarped