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Add automatic reconnection when containers restart #1

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Add automatic reconnection when containers restart #1

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14 changes: 11 additions & 3 deletions docker-tail
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Original file line number Diff line number Diff line change
Expand Up @@ -57,9 +57,17 @@ for i in "${containers[@]}"; do
# created a fixed length prefix containing the container name for each line of log output
line_prefix=$(printf "|%-13s | " "$i")

# fork and spawn `docker logs -f`, feeding output through sed to add our prefix and colors
(docker logs --tail=10 --timestamps -f "$i" 2>&1 \
| sed "s/^/$color$line_prefix/; s/$/$RESET_COLOR/") &
# fork and spawn `docker logs -f` with automatic reconnection, feeding output through sed to add our prefix and colors
(
while true; do
if docker ps --format '{{.Names}}' | grep -q "^${i}$"; then
docker logs --tail=10 --timestamps -f "$i" 2>&1 \
| sed "s/^/$color$line_prefix/; s/$/$RESET_COLOR/"
fi
# wait a bit before attempting to reconnect
sleep 2
done
) &

cnt=$((cnt + 1))
done
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