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Improved the SSH error handling.

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Raphaël Numbus
2026-05-29 16:53:24 +02:00
parent 39104ecf92
commit f6063fe153
2 changed files with 32 additions and 4 deletions
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script/deploy.sh
+28 -2
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@@ -118,10 +118,17 @@ setup_ssh() {
echod "\n ➡️ Copying SSH key to target host '${TARGET_USER}@${LIVE_TARGET_IP}'..."
while true; do
if sshpass -p "${LIVE_TARGET_PASSWORD}" ssh-copy-id -o StrictHostKeyChecking=no -i "${TMP_EXTRA_PATH}/home/numbus-admin/.ssh/id_ed25519" "${TARGET_USER}@${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"; then
if sshpass -p "${LIVE_TARGET_PASSWORD}" ssh-copy-id -o StrictHostKeyChecking=no -o ConnectTimeout=10 -i "${TMP_EXTRA_PATH}/home/numbus-admin/.ssh/id_ed25519" "${TARGET_USER}@${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"; then
echod "\n ✅ SSH key copied successfully"
break
else
local EXIT_CODE=$?
if [[ ${EXIT_CODE} -eq 5 ]]; then
echo -e "\n ❌ Invalid password for ${TARGET_USER}@${LIVE_TARGET_IP}. Please check the credentials provided in the configuration."
exit 225
fi
if ssh-keygen -F "${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"; then
echo -e "\n ⚠️ The SSH fingerprint for the selected IP address $(gum style --italic "\"${LIVE_TARGET_IP}\"") is not the same as the one in $(gum style --italic "\".ssh/known_hosts\"").
This could occur for multiple reasons :
@@ -134,7 +141,26 @@ setup_ssh() {
If you are unsure, it is always better to check manually.\n"
gum confirm "Remove the old fingerprint and accept the new one ?" || { echo -e "\n\n ❌ SSH fingerprints don't match."; exit 22; }
sed -i "/${LIVE_TARGET_IP}/d" "/home/${USER}/.ssh/known_hosts"
ssh-keygen -R "${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"
fi
while true do;
if ! ping -c 2 "${LIVE_TARGET_IP}" >> "${STDOUT}" 2>> "${STDERR}"; then
echo -e "\n ❌ The IP address you specified cannot be reached."
echo -e "\n Here are the current settings :
Target IP address : $(gum style --italic \"${LIVE_TARGET_IP}\")
Target password : $(gum style --italic \"${LIVE_TARGET_PASSWORD}\")"
gum confirm "Are these correct ?" || {
get_valid_input "LIVE_TARGET_IP" "\n ➡️ Provide the IP address of your machine in a NixOS live environment :" "192.168.1.100" "IP_REGEX";
get_valid_input "LIVE_TARGET_IP" "\n ➡️ Provide the password of your machine in a NixOS live environment :" "password" "IP_REGEX" "true" "true";
break;
}
gum confirm "Retry connection ?" || { echo -e "\n ❌ Host unreachable or connection refused."; exit 226; }
continue
else
break
fi
done
fi
done
}
script/error_codes.md
+2
View File
@@ -1,3 +1,5 @@
0: successful.
1: error.
225: Bad SSH credentials.
226: Host unreachable or connection refused.
22: SSH fingerprint in `known_hosts` for the IP is different than the current one.