External-check and chroot

@mr.simonski wrote:

Hey there,
we use haproxy to do load balancing and health check on our APIs. I’m trying to use the external-check feature on haproxy 1.7 with the chroot option. It won’t work and I don’t know why:

global
chroot /var/lib/haproxy
external-check
user haproxy
group haproxy
…
backend ABC
option external-check
external-check command /var/lib/haproxy/check.sh
…

The /var/lib/haproxy directory looks like:

.
├── bin
│ └── bash
├── check.sh
├── dev
│ └── log
└── text.txt

The check.sh script does something simple like:

#!/bin/bash

echo "Here the args:"
echo $@  >> /text.txt
exit 0

When I take this configuration online haproxy is immediately assuming the APIs are offline.

Any ideas why that is so?

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