From ba5f2acb9ccb40281ca8ab7eaf9dea6a77eb220d Mon Sep 17 00:00:00 2001
From: Gusted <williamzijl7@hotmail.com>
Date: Thu, 31 Mar 2022 05:15:36 +0200
Subject: [PATCH] Configure OpenSSH log level via Environment in Docker
 (#19274)

Introduce a new environment variable: SSH_LOG_LEVEL
---
 docker/root/etc/s6/openssh/setup      | 1 +
 docker/root/etc/templates/sshd_config | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/docker/root/etc/s6/openssh/setup b/docker/root/etc/s6/openssh/setup
index 89c03092b..f7843050c 100755
--- a/docker/root/etc/s6/openssh/setup
+++ b/docker/root/etc/s6/openssh/setup
@@ -49,6 +49,7 @@ if [ -d /etc/ssh ]; then
     SSH_DSA_CERT="${SSH_DSA_CERT:+"HostCertificate "}${SSH_DSA_CERT}" \
     SSH_MAX_STARTUPS="${SSH_MAX_STARTUPS:+"MaxStartups "}${SSH_MAX_STARTUPS}" \
     SSH_MAX_SESSIONS="${SSH_MAX_SESSIONS:+"MaxSessions "}${SSH_MAX_SESSIONS}" \
+    SSH_LOG_LEVEL=${SSH_LOG_LEVEL:-"INFO"} \
     envsubst < /etc/templates/sshd_config > /etc/ssh/sshd_config
 
     chmod 0644 /etc/ssh/sshd_config
diff --git a/docker/root/etc/templates/sshd_config b/docker/root/etc/templates/sshd_config
index 8d336f3a8..6f1a36304 100644
--- a/docker/root/etc/templates/sshd_config
+++ b/docker/root/etc/templates/sshd_config
@@ -8,7 +8,7 @@ ListenAddress ::
 ${SSH_MAX_STARTUPS}
 ${SSH_MAX_SESSIONS}
 
-LogLevel INFO
+LogLevel ${SSH_LOG_LEVEL}
 
 HostKey /data/ssh/ssh_host_ed25519_key
 ${SSH_ED25519_CERT}