Update Operator SDK to version v0.18.2 and tag golang at 1.14 (#139)

Author: chatton

.evergreen.yml

@@ -35,7 +35,7 @@ functions:
         working_dir: mongodb-kubernetes-operator/scripts/ci
         command: go run download.go
         env:
-          URL: https://github.com/operator-framework/operator-sdk/releases/download/v0.15.1/operator-sdk-v0.15.1-x86_64-linux-gnu
+          URL: https://github.com/operator-framework/operator-sdk/releases/download/v0.18.2/operator-sdk-v0.18.2-x86_64-linux-gnu
           FILENAME: operator-sdk
           DIR: ${workdir}/bin
 

scripts/dev/dockerfile_generator.py

@@ -6,11 +6,13 @@
 
 DockerParameters = Dict[str, Union[bool, str, List[str]]]
 
+GOLANG_TAG = "1.14"
+
 
 def operator_params(files_to_add: List[str]) -> DockerParameters:
     return {
         "builder": True,
-        "builder_image": "golang",
+        "builder_image": f"golang:{GOLANG_TAG}",
         "base_image": "registry.access.redhat.com/ubi8/ubi-minimal:latest",
         "files_to_add": files_to_add,
     }
@@ -19,22 +21,22 @@ def operator_params(files_to_add: List[str]) -> DockerParameters:
 def test_runner_params(files_to_add: List[str],) -> DockerParameters:
     return {
         "builder": True,
-        "builder_image": "golang",  # TODO: make this image smaller. There were errors using alpine
+        "builder_image": f"golang:{GOLANG_TAG}",  # TODO: make this image smaller. There were errors using alpine
         "base_image": "registry.access.redhat.com/ubi8/ubi-minimal:latest",
         "files_to_add": files_to_add,
     }
 
 
 def e2e_params(files_to_add: List[str]) -> DockerParameters:
     return {
-        "base_image": "golang",  # TODO: make this image smaller, error: 'exec: "gcc": executable file not found in $PATH' with golang:alpine
+        "base_image": f"golang:{GOLANG_TAG}",  # TODO: make this image smaller, error: 'exec: "gcc": executable file not found in $PATH' with golang:alpine
         "files_to_add": files_to_add,
     }
 
 
 def unit_test_params(files_to_add: List[str]) -> DockerParameters:
     return {
-        "base_image": "golang",
+        "base_image": f"golang:{GOLANG_TAG}",
         "files_to_add": files_to_add,
     }
 

scripts/dev/templates/Dockerfile.template

@@ -8,7 +8,7 @@ FROM {{base_image}}
 {% block packages -%}
 {% endblock -%}
 
-ENV OPERATOR_SDK_VERSION v0.17.0
+ENV OPERATOR_SDK_VERSION v0.18.2
 ENV GO111MODULE=on
 ENV GOPATH ""