First stab at docker-based test framework

Signed-off-by: Alexey Neyman <stilor@att.net>

.gitignore

@@ -18,6 +18,9 @@ config/versions/
 verbatim-data.mk
 maintainer/package-versions
 
+*.tar.xz
+*.tar.bz2
+
 # Temporaries
 .*.swp
 build.log

testing/docker/archlinux/Dockerfile

@@ -0,0 +1,3 @@
+FROM hoverbear/archlinux
+RUN pacman -Syu --noconfirm
+RUN pacman -S --noconfirm base-devel git help2man python

testing/docker/common-scripts/ctng-build-all

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+cd
+rm -rf bld-ctng
+mkdir bld-ctng
+cd bld-ctng
+/crosstool-ng/configure --prefix=$HOME/inst-ctng
+make
+make install

testing/docker/common-scripts/ctng-install

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+cd
+rm -rf bld-ctng
+mkdir bld-ctng
+cd bld-ctng
+/crosstool-ng/configure --prefix=$HOME/inst-ctng
+make
+make install

testing/docker/common-scripts/su-as-user

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+usr=$1
+uid=$2
+grp=$3
+gid=$4
+shift 4
+
+groupadd -g ${gid} ${grp}
+useradd -d /home/${usr} -m -g ${gid} -u ${uid} ${usr}
+if [ -z "$*" ]; then
+    exec su -l ${usr}
+else
+    exec su -l -c "/bin/bash -c '$*'"
+fi

testing/docker/dmgr.sh

@@ -0,0 +1,105 @@
+#!/bin/bash
+
+# Run from the directory containing this script
+cd `dirname $0`
+
+msg()
+{
+    echo "INFO  :: $*" >&2
+}
+
+error()
+{
+    echo "ERROR :: $*" >&2
+    exit 1
+}
+
+usage()
+{
+    cat >&2 <<EOF
+${1:+ERROR :: $1
+
+}Usage: $0 [action] [containters]
+
+Action is one of:
+
+   build     Build or rebuild the specified containers.
+
+If containers are not specified, the action is applied to all available containers.
+EOF
+    exit 1
+}
+
+# Build a docker container, store its ID.
+action_build()
+{
+    local cntr=$1
+
+    msg "Building Docker container for ${cntr}"
+    docker build -t "ctng-${cntr}" "${cntr}"
+}
+
+# Common backend for enter/test
+_dckr()
+{
+    local topdir=`cd ../.. && pwd`
+    local cntr=$1
+    shift
+
+    mkdir -p build-${cntr}
+    docker run --rm -i -t \
+        -v `pwd`/common-scripts:/setup-scripts:ro \
+        -v ${topdir}:/crosstool-ng:ro \
+        -v `pwd`/build-${cntr}:/home \
+        ctng-${cntr} \
+        /setup-scripts/su-as-user `id -un` `id -u` `id -gn` `id -g` "$@"
+}
+
+# Run the test
+action_test()
+{
+    local cntr=$1
+
+    # The test assumes the top directory is bootstrapped, but clean.
+    msg "Setting up crosstool-NG in ${cntr}"
+    _dckr "${cntr}" /setup-scripts/ctng-install
+    msg "Running build-all in ${cntr}"
+    _dckr "${cntr}" /setup-scripts/ctng-build-all
+}
+
+# Enter the container using the same user account/environment as for testing.
+action_enter()
+{
+    local cntr=$1
+
+    msg "Entering ${cntr}"
+    _dckr "${cntr}"
+}
+
+# Clean up after test suite run
+action_clean()
+{
+    local cntr=$1
+
+    msg "Cleaning up after ${cntr}"
+    rm -rf build-${cntr}
+}
+
+action=$1
+shift
+all_containers=`ls */Dockerfile | sed 's,/Dockerfile,,'`
+selected_containers="${*:-${all_containers}}"
+
+case "${action}" in
+    build|test|enter|clean)
+        for c in ${selected_containers}; do
+            eval "action_${action} $c"
+        done
+        ;;
+    "")
+        usage "No action specified."
+        ;;
+    *)
+        usage "Unknown action ${action}."
+        ;;
+esac