Merge pull request #167 from polycube-network/pr/use_go_modules

pcn-k8s: use go modules to manage dependencies

Dockerfile

@@ -6,28 +6,23 @@ cd /tmp/polycube && \
 SUDO="" WORKDIR="/tmp/dev" ./scripts/install.sh $MODE && \
 # install pcn-kubernetes only components
 if [ "$MODE" = "pcn-k8s" ] ; then \
-    export GOPATH=$HOME/go && \
-    go get github.com/containernetworking/plugins/pkg/ip && \
-    go get k8s.io/client-go/... && \
-    go get golang.org/x/net/context && \
-    go get golang.org/x/oauth2 && \
     cd /tmp && mkdir -p tmp && cd tmp && \
     curl -sS -L https://storage.googleapis.com/kubernetes-release/network-plugins/cni-0799f5732f2a11b329d9e3d51b9c8f2e3759f2ff.tar.gz -o cni.tar.gz && \
     tar -xvf cni.tar.gz && \
     mkdir /cni && \
     cp bin/loopback /cni && \
-    cd /tmp/polycube/src/components/k8s/cni/ && \
-    ./build.sh && \
-    cd $HOME/go/src/github.com/polycube-network/polycube/src/components/k8s/cni/conf && \
+    cd /tmp/polycube/src/components/k8s/cni/polycube && \
+    GOOS=linux go build -o /opt/cni/bin/polycube . && \
+    cd /tmp/polycube/src/components/k8s/cni/conf && \
     GOOS=linux go build -o /cni-conf . && \
-    cd $HOME/go/src/github.com/polycube-network/polycube/src/components/k8s/pcn_k8s/ && \
+    cd /tmp/polycube/src/components/k8s/pcn_k8s/ && \
     GOOS=linux go build -o /pcn_k8s . ; \
 fi && \
 apt-get purge --auto-remove -y git bison cmake flex \
 libllvm5.0 llvm-5.0-dev libclang-5.0-dev uuid-dev autoconf \
-golang-go libtool curl && \
+libtool curl && \
 apt-get clean && \
-rm -fr /root /var/lib/apt/lists/* /tmp/* /var/tmp/*
+rm -fr /root /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/local/go/*
 # TODO: which other apt-get packages can be removed?
 
 ADD src/components/k8s/cni/cni-install.sh /cni-install.sh

scripts/install.sh

@@ -63,6 +63,13 @@ mkdir -p $WORKDIR
 $SUDO apt update
 $SUDO apt install -y wget gnupg2
 
+echo "Install golang v1.12"
+# TODO: v1.12 still not available in repos
+wget https://dl.google.com/go/go1.12.6.linux-amd64.tar.gz
+$SUDO tar -xvf go1.12.6.linux-amd64.tar.gz
+$SUDO mv go /usr/local
+$SUDO ln -s /usr/local/go/bin/go /usr/bin
+
 $SUDO sh -c "echo 'deb http://download.opensuse.org/repositories/home:/liberouter/xUbuntu_18.04/ /' > /etc/apt/sources.list.d/home:liberouter.list"
 wget -nv https://download.opensuse.org/repositories/home:liberouter/xUbuntu_18.04/Release.key -O Release.key
 $SUDO apt-key add - < Release.key
@@ -75,7 +82,8 @@ PACKAGES+=" bison flex libelf-dev" # bcc dependencies
 PACKAGES+=" libllvm5.0 llvm-5.0-dev libclang-5.0-dev" # bpf tools compilation tool chain
 PACKAGES+=" libnl-route-3-dev libnl-genl-3-dev" # netlink library
 PACKAGES+=" uuid-dev"
-PACKAGES+=" golang-go" # needed for polycubectl and pcn-k8s
+#PACKAGES+=" golang-go" # needed for polycubectl and pcn-k8s
+#PACKAGES+=" golang-1.12-go" # needed for polycubectl and pcn-k8s
 PACKAGES+=" pkg-config"
 PACKAGES+=" libyang-dev"
 PACKAGES+=" autoconf libtool m4 automake"

src/components/k8s/cni/polycube/polycube.go

@@ -395,5 +395,5 @@ func cmdDel(args *skel.CmdArgs) error {
 }
 
 func main() {
-	skel.PluginMain(cmdAdd, cmdDel, version.All)
+	skel.PluginMain(cmdAdd, nil, cmdDel, version.All, "Polycube CNI plugin")
 }

src/components/k8s/go.mod

@@ -0,0 +1,38 @@
+module github.com/polycube-network/polycube/src/components/k8s
+
+go 1.12
+
+require (
+	github.com/aws/aws-sdk-go v1.20.15
+	github.com/containernetworking/cni v0.7.1
+	github.com/containernetworking/plugins v0.8.1
+	github.com/coreos/etcd v3.3.13+incompatible
+	github.com/coreos/go-iptables v0.4.1 // indirect
+	github.com/evanphx/json-patch v4.2.0+incompatible // indirect
+	github.com/gogo/protobuf v1.0.0 // indirect
+	github.com/google/gofuzz v1.0.0 // indirect
+	github.com/google/uuid v1.1.1 // indirect
+	github.com/imdario/mergo v0.3.7 // indirect
+	github.com/json-iterator/go v1.1.6 // indirect
+	github.com/kr/pretty v0.1.0 // indirect
+	github.com/onsi/ginkgo v1.8.0 // indirect
+	github.com/onsi/gomega v1.5.0 // indirect
+	github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8 // indirect
+	github.com/sirupsen/logrus v1.4.2
+	github.com/spf13/pflag v1.0.3 // indirect
+	github.com/vishvananda/netlink v1.0.0
+	github.com/vishvananda/netns v0.0.0-20190625233234-7109fa855b0f // indirect
+	golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8 // indirect
+	golang.org/x/net v0.0.0-20190613194153-d28f0bde5980
+	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
+	golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f
+	golang.org/x/text v0.3.2 // indirect
+	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
+	google.golang.org/grpc v1.22.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+	gopkg.in/yaml.v2 v2.2.2 // indirect
+	k8s.io/api v0.0.0-20190620084959-7cf5895f2711
+	k8s.io/apimachinery v0.0.0-20190612205821-1799e75a0719
+	k8s.io/client-go v0.0.0-20190620085101-78d2af792bab
+	k8s.io/utils v0.0.0-20190607212802-c55fbcfc754a // indirect
+)