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Make hook script compatible with busybox date

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This commit is contained in:
Christoph Hummer
2024-11-05 12:31:04 +01:00
committed by GitHub
parent 092c6e0445
commit 235b93fc3a
1 changed files with 6 additions and 1 deletions
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share/docker/tailscale_container_hook
+6 -1
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@@ -249,11 +249,16 @@ fi
KEY_EXPIRY=$(tailscale status --json | jq -r '.Self.KeyExpiry')
if [ "${KEY_EXPIRY}" != "null" ]; then
EXPIRY_EPOCH=$(date -d "${KEY_EXPIRY}" +"%s" 2>/dev/null)
if [ -z "${EXPIRY_EPOCH}" ]; then
EXPIRY_EPOCH=$(date -d "$(echo "${KEY_EXPIRY}" | sed 's/T/ /; s/Z//')" +"%s")
fi
CUR_EPOCH=$(date -u +%s)
DIFF_EPOCH=$((EXPIRY_EPOCH - CUR_EPOCH))
DIFF_DAYS=$((DIFF_EPOCH / 86400))
HOST=$(tailscale status --json | jq -r '.Self.HostName')
if [ -n "${DIFF_DAYS}" ] && echo "${DIFF_DAYS}" | grep -Eq '^[0-9]+$'; then
if [ -z "${EXPIRY_EPOCH}" ]; then
echo "WARNING: An error occurred while retrieving the Tailscale key expiry!"
elif [ -n "${DIFF_DAYS}" ] && echo "${DIFF_DAYS}" | grep -Eq '^[0-9]+$'; then
echo "WARNING: Tailscale Key will expire in ${DIFF_DAYS} days."
echo " Navigate to https://login.tailscale.com/admin/machines and 'Disable Key Expiry' for ${HOST}"
else