Feature/helm s3 (#30)

* add helm-s3 plugin to anvil

* add s3 shellspec test

* Correctly set helm s3 plugin version

* Update Helm S3 plugin name in spec

* Don't let grep colors break a test

* Add quote that I inadvertantly took away

Co-authored-by: Brad Staton <47569500+saic-statonb@users.noreply.github.com>

spec/helm_s3_spec.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env shellspec
+
+Describe "printVersion()"
+  printVersion() {
+    helm plugin list | grep "s3" | grep "${HELM_S3_VERSION}"
+  }
+
+  It "validates tool is installed by checking version"
+    When call printVersion
+    The output should include "${HELM_S3_VERSION}"
+    The status should eq 0
+  End
+End

spec/serverless_spec.sh

@@ -2,7 +2,7 @@
 
 Describe "printVersion()"
   printVersion() {
-    serverless --version | grep "${SERVERLESS_VERSION}"
+    serverless --version | grep --color=never "${SERVERLESS_VERSION}"
   }
 
   It "validates tool is installed by checking version"

src/docker/Dockerfile

@@ -257,6 +257,13 @@ RUN helm plugin install https://github.com/aslafy-z/helm-git.git --version "${HE
   && asdf reshim helm \
   && rm -rf /var/tmp/* /tmp/* /var/tmp/.???* /tmp/.???*
 
+# Install helm-s3 plugin. Get versions from https://github.com/hypnoglow/helm-s3/releases
+ARG HELM_S3_VERSION="0.10.0"
+ENV HELM_S3_VERSION=${HELM_S3_VERSION}
+RUN helm plugin install https://github.com/hypnoglow/helm-s3.git --version "${HELM_S3_VERSION}" \
+  && asdf reshim helm \
+  && rm -rf /var/tmp/* /tmp/* /var/tmp/.???* /tmp/.???*
+
 # Install helmfile. Get versions using 'asdf list all helmfile'.
 ARG HELMFILE_VERSION="0.138.2"
 ENV HELMFILE_VERSION=${HELMFILE_VERSION}