#!/bin/bash
set -e -u -o pipefail

## replicatedctl is an awkward wrapper around docker, and tty detection is a
## little wonky
exec 0<&-

## collects logs and other diagnostics to aid in troubleshooting failed tests

if ! jq -n -e true >/dev/null ; then
    echo "jq is required to generate this diag bundle"
    exit 1
fi

pushd "$( mktemp -d )" >/dev/null

journalctl > journal.log

## attempt to generate a support bundle
## > Support bundle file created at /var/lib/replicated/support-bundles/replicated-support507489213.tar.gz\r
if bundle=$( replicatedctl support-bundle 2>/dev/null | tr -d '\r' | awk '{print $NF}' ); then
    mv "${bundle}" ./replicated-support.tgz
else
    echo "unable to capture Replicated support bundle"
fi

if ! replicatedctl app-config export > app-config.json ; then
    echo "unable to capture app config"
fi

if docker info >/dev/null 2>&1 ; then
    mkdir container_logs

    if ! docker ps -a | tail -n +2 | awk '{print $NF}' | xargs docker inspect > docker-inspect.json ; then
        echo "error inspecting some containers"
    fi

    while read -r container_id container_name ; do
        if ! docker logs --timestamps "${container_id}" > "container_logs/${container_name}.log" 2>&1 ; then
            echo "unable to collect logs from ${container_id} (${container_name})"
        fi
    done < <( jq -r '.[] | [.Id, .Name[1:]] | @tsv' docker-inspect.json )
else
    echo "unable to capture docker logs"
fi

bundle="/tmp/diag-bundle.tgz"

rm -f "${bundle}"
tar -czf ${bundle} .
chmod 666 ${bundle}

echo "created ${bundle}"