a lot of changes, e.g. podman removed totally as buildah is enough fo…

…r us

.travis.yml

@@ -19,4 +19,4 @@ script:
   - mkdir -p $GOPATH/src/github.com/nokia/danm/
   - mv * $GOPATH/src/github.com/nokia/danm/
   - cd $GOPATH/src/github.com/nokia/danm/
-  - sudo ./build_danm.sh
+  - ./build_danm.sh

.travis/install_buildah.sh

@@ -1,8 +1,6 @@
 #!/bin/bash
 
 if [[ $WITH_BUILDAH == 'Y' ]]; then
-
-    sudo rm -f  "$(command -v docker)"
 
     sudo apt-get -y install software-properties-common
     sudo add-apt-repository -y ppa:alexlarsson/flatpak
@@ -29,15 +27,4 @@ if [[ $WITH_BUILDAH == 'Y' ]]; then
 
 EOF
 
-    sudo apt-get -y install libprotobuf-dev libprotobuf-c0-dev python3-setuptools
-    git clone https://github.com/kubernetes-sigs/cri-o "$GOPATH/src/github.com/kubernetes-sigs/cri-o"
-    cd "$GOPATH/src/github.com/kubernetes-sigs/cri-o" || exit
-    mkdir bin
-    make bin/conmon
-    sudo install -D -m 755 bin/conmon /usr/libexec/podman/conmon
-
-    git clone https://github.com/containers/libpod/ "$GOPATH/src/github.com/containers/libpod"
-    cd "$GOPATH/src/github.com/containers/libpod" || exit
-    make
-    sudo make install PREFIX=/usr
 fi

build_buildah.sh

@@ -4,7 +4,9 @@ echo 'Building DANM builder container'
 buildah bud --no-cache -t danm_builder:1.0 build/
 
 echo 'Running DANM build'
-podman run --rm=true --net=host --name="danm_build" -v $GOPATH/bin:/go/bin -v $GOPATH/src:/go/src danm_builder:1.0
+build_container=$(buildah from danm_builder:1.0)
+buildah run --net=host -v $GOPATH/bin:/go/bin -v $GOPATH/src:/go/src $build_container /bin/sh -c /build.sh
+buildah rm $build_container
 
 echo 'Cleaning up DANM builder container'
 buildah  rmi -f danm_builder:1.0

build_danm.sh

@@ -30,10 +30,10 @@ error_handler()
   exit $1
 }
 
-if [ -x "$(command -v docker)" ]; then
-  source ./build_docker.sh
-elif [ -x "$(command -v buildah)" ] && [ -x "$(command -v podman)" ]; then
+if [ -x "$(command -v buildah)" ]; then
   source ./build_buildah.sh
+elif [ -x "$(command -v docker)" ]; then
+  source ./build_docker.sh
 else
  echo 'The build process requires docker or buildah/podman installed. Please install any of these and make sure these are executable'
  exit 1