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Handle more than one default gateway in debug script (#4934)

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Dan Schaper 2022-09-25 11:09:26 -07:00 committed by GitHub
commit f8a12917e2
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1 changed files with 11 additions and 6 deletions
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17
advanced/Scripts/piholeDebug.sh
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@ -678,15 +678,20 @@ ping_gateway() {
local protocol="${1}"
ping_ipv4_or_ipv6 "${protocol}"
# Check if we are using IPv4 or IPv6
# Find the default gateway using IPv4 or IPv6
# Find the default gateways using IPv4 or IPv6
local gateway
gateway="$(ip -"${protocol}" route | grep default | grep "${PIHOLE_INTERFACE}" | cut -d ' ' -f 3)"
# If the gateway variable has a value (meaning a gateway was found),
if [[ -n "${gateway}" ]]; then
log_write "${INFO} Default IPv${protocol} gateway: ${gateway}"
log_write "${INFO} Default IPv${protocol} gateway(s):"
while IFS= read -r gateway; do
log_write " ${gateway}"
done < <(ip -"${protocol}" route | grep default | grep "${PIHOLE_INTERFACE}" | cut -d ' ' -f 3)
gateway=$(ip -"${protocol}" route | grep default | grep "${PIHOLE_INTERFACE}" | cut -d ' ' -f 3 | head -n 1)
# If there was at least one gateway
if [ -n "${gateway}" ]; then
# Let the user know we will ping the gateway for a response
log_write " * Pinging ${gateway}..."
log_write " * Pinging first gateway ${gateway}..."
# Try to quietly ping the gateway 3 times, with a timeout of 3 seconds, using numeric output only,
# on the pihole interface, and tail the last three lines of the output
# If pinging the gateway is not successful,