Add crd generation

Signed-off-by: Xabier Larrakoetxea <me@slok.dev>

Dockerfile

@@ -1,5 +1,6 @@
-FROM golang:1.13
+FROM golang:1.14
 ARG CODEGEN_VERSION="1.17.3"
+ARG CONTROLLER_GEN_VERSION="0.2.5"
 
 RUN apt-get update && \
     apt-get install -y \
@@ -21,9 +22,12 @@ RUN wget http://github.com/kubernetes/code-generator/archive/kubernetes-${CODEGE
     tar zxvf kubernetes-${CODEGEN_VERSION}.tar.gz --strip 1 -C /go/src/k8s.io/api/ && \
     rm kubernetes-${CODEGEN_VERSION}.tar.gz && \
     \
+    wget https://github.com/openshift/kubernetes-sigs-controller-tools/releases/download/v${CONTROLLER_GEN_VERSION}/controller-gen-linux-amd64 && \
+    mv controller-gen-linux-amd64 /usr/bin/controller-gen && \
+    chmod a+x /usr/bin/controller-gen && \
+    \
     go get k8s.io/kube-openapi/cmd/openapi-gen
 
-
 # Create user
 ARG uid=1000
 ARG gid=1000
@@ -32,10 +36,11 @@ RUN addgroup --gid $gid codegen && \
     chown codegen:codegen -R /go
 
 COPY hack /hack
-RUN chown codegen:codegen -R /hack
-
+RUN chown codegen:codegen -R /hack && \
+    mv /hack/* /usr/bin
 
 USER codegen
 
-WORKDIR /hack
-CMD ["./update-codegen.sh"]
+WORKDIR /usr/bin
+
+CMD ["update-codegen.sh"]

hack/update-codegen.sh

@@ -1,8 +1,6 @@
 #!/usr/bin/env bash
 
-set -o errexit
-set -o nounset
-set -o pipefail
++set -eufo pipefail
 
 
 ## Project specific data

hack/update-crd.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+set -eufo pipefail
+
+GO_PROJECT_ROOT="${GO_PROJECT_ROOT:-""}"
+CRD_TYPES_PATH="${CRD_TYPES_PATH:-""}"
+CRD_OUT_PATH="${CRD_OUT_PATH:-""}"
+
+
+[ -z "$GO_PROJECT_ROOT" ] && echo "GO_PROJECT_ROOT env var is required" && exit 1;
+[ -z "$CRD_TYPES_PATH" ] && echo "CRD_TYPES_PATH env var is required" && exit 1;
+[ -z "$CRD_OUT_PATH" ] && echo "CRD_OUT_PATH env var is required" && exit 1;
+
+
+GO_PROJECT_ROOT=$(realpath ${GO_PROJECT_ROOT})
+CRD_TYPES_PATH=$(realpath ${CRD_TYPES_PATH})
+CRD_OUT_PATH=$(realpath ${CRD_OUT_PATH})
+
+cd ${GO_PROJECT_ROOT}
+
+# Needs relative paths.
+CRD_TYPES_PATH=$(realpath --relative-to="${PWD}" ${CRD_TYPES_PATH})
+CRD_OUT_PATH=$(realpath --relative-to="${PWD}" ${CRD_OUT_PATH})
+
+mkdir -p ${CRD_OUT_PATH}
+echo "Generating CRD manifests..."
+
+controller-gen \
+    crd:trivialVersions=true \
+    paths="./${CRD_TYPES_PATH}/..." \
+    output:dir="./${CRD_OUT_PATH}"

hack/update-openapi.sh

@@ -1,8 +1,6 @@
 #!/usr/bin/env bash
 
-set -o errexit
-set -o nounset
-set -o pipefail
+set -eufo pipefail
 
 
 ## CRD paths.
@@ -11,6 +9,9 @@ set -o pipefail
 ## Openapi output path.
 #OPENAPI_OUTPUT_PACKAGE=github.com/someone/mypackage/openapi
 
+CRD_PACKAGES="${CRD_PACKAGES:-""}"
+OPENAPI_OUTPUT_PACKAGE="${OPENAPI_OUTPUT_PACKAGE:-""}"
+
 [ -z "$CRD_PACKAGES" ] && echo "CRD_PACKAGES env var is required" && exit 1;
 [ -z "$OPENAPI_OUTPUT_PACKAGE" ] && echo "OPENAPI_OUTPUT_PATH env var is required" && exit 1;