Review comments

Address code review comemnts and purge additional dead code.

Signed-off-by: Daniel Hiltgen <daniel.hiltgen@docker.com>
(cherry picked from commit f250152bf4)
Signed-off-by: Daniel Hiltgen <daniel.hiltgen@docker.com>

scripts/test/engine/entry

@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-set -eu -o pipefail
-
-# TODO fetch images?
-./scripts/test/engine/wrapper

scripts/test/engine/run

@@ -1,107 +0,0 @@
-#!/usr/bin/env bash
-# Run engine specific integration tests against the latest containerd-in-docker
-set -eu -o pipefail
-
-function container_ip {
-    local cid=$1
-    local network=$2
-    docker inspect \
-        -f "{{.NetworkSettings.Networks.${network}.IPAddress}}" "$cid"
-}
-
-function fetch_images {
-    ## TODO - not yet implemented
-    ./scripts/test/engine/load-image fetch-only
-}
-
-function setup {
-    ### start containerd and log to a file
-    echo "Starting containerd in the background"
-    containerd 2&> /tmp/containerd.err  &
-    echo "Waiting for containerd to be responsive"
-    # shellcheck disable=SC2034
-    for i in $(seq 1 60); do
-        if ctr namespace ls > /dev/null; then
-            break
-        fi
-        sleep 1
-    done
-    ctr namespace ls > /dev/null
-    echo "containerd is ready"
-
-    # TODO Once https://github.com/moby/moby/pull/33355 or equivalent
-    #      is merged, then this can be optimized to preload the image
-    #      saved during the build phase
-}
-
-function cleanup {
-    #### if testexit is non-zero dump the containerd logs with a banner
-    if [ "${testexit}" -ne 0 ] ; then
-        echo "FAIL: dumping containerd logs"
-        echo ""
-        cat /tmp/containerd.err
-        if [ -f /var/log/engine.log ] ; then
-            echo ""
-            echo "FAIL: dumping engine log"
-            echo ""
-        else
-            echo ""
-            echo "FAIL: engine log missing"
-            echo ""
-        fi
-        echo "FAIL: remaining namespaces"
-        ctr namespace ls || /bin/tru
-        echo "FAIL: remaining containers"
-        ctr --namespace docker container ls || /bin/tru
-        echo "FAIL: remaining tasks"
-        ctr --namespace docker task ls || /bin/tru
-        echo "FAIL: remaining snapshots"
-        ctr --namespace docker snapshots ls || /bin/tru
-        echo "FAIL: remaining images"
-        ctr --namespace docker image ls || /bin/tru
-    fi
-}
-
-function runtests {
-    # shellcheck disable=SC2086
-    env -i \
-        GOPATH="$GOPATH" \
-        PATH="$PWD/build/:${PATH}" \
-        VERSION=${VERSION} \
-        "$(which go)" test -p 1 -parallel 1 -v ./e2eengine/... ${TESTFLAGS-}
-}
-
-cmd=${1-}
-
-case "$cmd" in
-    setup)
-        setup
-        exit
-        ;;
-    cleanup)
-        cleanup
-        exit
-        ;;
-    fetch-images)
-        fetch_images
-        exit
-        ;;
-    test)
-        runtests
-        ;;
-    run|"")
-        testexit=0
-        runtests || testexit=$?
-        cleanup
-        exit $testexit
-        ;;
-    shell)
-        $SHELL
-        ;;
-    *)
-        echo "Unknown command: $cmd"
-        echo "Usage: "
-        echo "    $0 [setup | cleanup | test | run]"
-        exit 1
-        ;;
-esac

scripts/test/engine/wrapper

@@ -1,18 +0,0 @@
-#!/usr/bin/env bash
-# Setup, run and teardown engine test suite in containers.
-set -eu -o pipefail
-
-./scripts/test/engine/run setup
-
-testexit=0
-
-test_cmd="test"
-if [[ -n "${TEST_DEBUG-}" ]]; then
-    test_cmd="shell"
-fi
-
-./scripts/test/engine/run "$test_cmd" || testexit="$?"
-
-export testexit
-./scripts/test/engine/run cleanup
-exit "$testexit"