fix: [docker-host] remove installation of docker-compose as it is not anymore used.

Since ``compose`` is now inside a docker with all its dependencies,
(including ``docker-compose``), we do not need to install it on the
host.

precise/host/hooks/install.d/70-0k.sh

@@ -171,105 +171,11 @@ sed -ri 's/^#(net\.ipv4\.ip_forward=1)$/\1/g' /etc/sysctl.conf
 sysctl -w net.ipv4.ip_forward=1
 
 
-##
-## docker-compose
-##
-
-if type -p docker-compose >/dev/null; then
-    #echo "Found docker-compose..." >&2
-    if ! CURRENT_VERSION_TEXT="$(docker-compose --version 2>/dev/null)"; then
-        echo "'docker-compose' failed ! Please check your docker-compose binary."
-        echo "Failed install."
-        docker-compose --version
-        exit 1
-    fi
-    VALID_VERSION_TEXT="docker-compose version 1.21.2, build "
-    if ! [[ "$CURRENT_VERSION_TEXT" == "$VALID_VERSION_TEXT"* ]]; then
-        echo "Invalid version of docker-compose: we need exactly:"
-        echo "version text:    $VALID_VERSION_TEXT"
-        echo "current version: $CURRENT_VERSION_TEXT"
-        echo "Failed install."
-        exit 1
-    fi
-else
-    if ! [ -d /opt/apps/docker-compose ]; then
-        (
-            mkdir -p /opt/apps
-            cd /opt/apps
-            git clone https://github.com/docker/compose.git docker-compose &&
-                cd docker-compose &&
-                git checkout 0898c783ad2e0d01bd55b47fcb9eb7183edc1015 ## version pinning
-        )
-    fi
-
-    mkdir -p /opt/venv
-    if ! type -p virtualenv >/dev/null; then
-        pip install virtualenv==13.1.2
-    fi
-    if ! [ -d /opt/venv/docker-compose ]; then
-        virtualenv /opt/venv/docker-compose/
-    fi
-
-    set +eux
-    . /opt/venv/docker-compose/bin/activate
-    set -eux
-
-    ## XXXvlab: docker version 3.5.0 is bugged on its requirement list:
-    ## error: Setup script exited with error in docker setup command: 'tests_require' must be a string or list of strings containing valid project/version requirement specifiers; Expected ',' or end-of-list in pytest==2.9.1; python_version == '3.3' at ; python_version == '3.3'
-
-    pip install $(cat <<EOF
-backports.ssl-match-hostname==3.5.0.1
-cached-property==1.4.3
-certifi==2018.4.16
-chardet==3.0.4
-docker==3.4.1
-docker-compose==1.21.2
-docker-pycreds==0.3.0
-dockerpty==0.4.1
-docopt==0.6.2
-enum34==1.1.6
-functools32==3.2.3.post2
-idna==2.5
-ipaddress==1.0.22
-jsonschema==2.6.0
-python-dateutil==2.7.3
-pytz==2018.5
-PyYAML==3.13
-requests==2.17.3
-sact.epoch==1.3.0
-shyaml==0.5.2
-six==1.11.0
-texttable==0.9.1
-urllib3==1.21.1
-websocket-client==0.48.0
-wheel==0.24.0
-zope.component==4.4.1
-zope.event==4.3.0
-zope.interface==4.5.0
-EOF
-    )
-    ( cd /opt/apps/docker-compose &&
-            python setup.py install )
-    if ! pip freeze | grep "^requests==2.17.3\$" >/dev/null 2>&1; then
-        pip install requests==2.17.3 --upgrade
-    fi
-    deactivate
-
-    mkdir -p /etc/compose
-    if ! grep "^. /opt/venv/docker-compose/bin/activate$" /etc/compose/local.conf >/dev/null 2>&1; then
-        cat <<EOF >> /etc/compose/local.conf
-. /opt/venv/docker-compose/bin/activate
-EOF
-    fi
-fi
-
-
 ##
 ## Installation of compose
 ##
 
-
-apt-get install kal-shlib-common kal-shlib-pretty kal-shlib-charm kal-shlib-array -y --force-yes  </dev/null
+docker pull docker.0k.io/compose
 if [ -d "/opt/apps/0k-compose" ]; then
     cd "/opt/apps/0k-compose" &&
         git pull -r
@@ -300,6 +206,8 @@ export CONFIGSTORE=\$DOCKER_DATASTORE/config
 EOF
 
 if ! egrep "^DEFAULT_COMPOSE_FILE=/etc/compose/compose.yml$" /etc/compose/local.conf >/dev/null 2>&1; then
+    mkdir /etc/compose -p
+    touch /etc/compose/local.conf
     echo "DEFAULT_COMPOSE_FILE=/etc/compose/compose.yml" >> /etc/compose/local.conf
 fi