Update canary helm install to helm 3.7 and update README (#119)

Description of changes:

- Update the install link to helm 3.7 and update README to reflect installing charts using helm 3.7

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: ryansteakley

README.md

@@ -166,13 +166,14 @@ export HELM_EXPERIMENTAL_OCI=1
 export SERVICE=sagemaker
 export RELEASE_VERSION=v0.1.0
 export CHART_EXPORT_PATH=/tmp/chart
-export CHART_REPO=public.ecr.aws/aws-controllers-k8s/$SERVICE-chart
-export CHART_REF=$CHART_REPO:$RELEASE_VERSION
+export CHART_REF=$SERVICE-chart
+export CHART_REPO=public.ecr.aws/aws-controllers-k8s/$CHART_REF
+export CHART_PACKAGE=$CHART_REF-$RELEASE_VERSION.tgz
 
 mkdir -p $CHART_EXPORT_PATH
-helm chart pull $CHART_REF
-helm chart list
-helm chart export $CHART_REF --destination $CHART_EXPORT_PATH
+
+helm pull oci://$CHART_REPO --version $RELEASE_VERSION -d $CHART_EXPORT_PATH
+tar xvf $CHART_EXPORT_PATH/$CHART_PACKAGE -C $CHART_EXPORT_PATH
 ```
 
 ##### 3.1.2 Choose one of the two options for deployment
@@ -182,7 +183,6 @@ helm chart export $CHART_REF --destination $CHART_EXPORT_PATH
       # Update values in helm chart
       cd $CHART_EXPORT_PATH/$SERVICE-chart
       yq e '.aws.region = env(AWS_DEFAULT_REGION)' -i values.yaml
-      yq e '.aws.account_id = env(AWS_ACCOUNT_ID)' -i values.yaml
       yq e '.serviceAccount.annotations."eks.amazonaws.com/role-arn" = env(IAM_ROLE_ARN_FOR_IRSA)' -i values.yaml
       cd -
       ```
@@ -192,7 +192,6 @@ helm chart export $CHART_REF --destination $CHART_EXPORT_PATH
       # Update values in helm chart
       cd $CHART_EXPORT_PATH/$SERVICE-chart
       yq e '.aws.region = env(AWS_DEFAULT_REGION)' -i values.yaml
-      yq e '.aws.account_id = env(AWS_ACCOUNT_ID)' -i values.yaml
       yq e '.serviceAccount.annotations."eks.amazonaws.com/role-arn" = env(IAM_ROLE_ARN_FOR_IRSA)' -i values.yaml
       yq e '.installScope = "namespace"' -i values.yaml
       cd -
@@ -226,15 +225,16 @@ Jump to Section 4.0 if you only wish to install SageMaker controller
 ```sh
 export HELM_EXPERIMENTAL_OCI=1
 export SERVICE=applicationautoscaling
-export RELEASE_VERSION=v0.1.0
+export RELEASE_VERSION=v0.1.1
 export CHART_EXPORT_PATH=/tmp/chart
-export CHART_REPO=public.ecr.aws/aws-controllers-k8s/$SERVICE-chart
-export CHART_REF=$CHART_REPO:$RELEASE_VERSION
+export CHART_REF=$SERVICE-chart
+export CHART_REPO=public.ecr.aws/aws-controllers-k8s/$CHART_REF
+export CHART_PACKAGE=$CHART_REF-$RELEASE_VERSION.tgz
 
 mkdir -p $CHART_EXPORT_PATH
-helm chart pull $CHART_REF
-helm chart list
-helm chart export $CHART_REF --destination $CHART_EXPORT_PATH
+
+helm pull oci://$CHART_REPO --version $RELEASE_VERSION -d $CHART_EXPORT_PATH
+tar xvf $CHART_EXPORT_PATH/$CHART_PACKAGE -C $CHART_EXPORT_PATH
 ```
 
 ##### 3.2.2 Choose one of the two options for deployment

test/canary/Dockerfile.canary

@@ -33,7 +33,7 @@ RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.18.6/b
 RUN curl --silent --location "https://github.com/weaveworks/eksctl/releases/latest/download/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp && mv /tmp/eksctl /bin
 
 # Install Helm 
-RUN curl -q -L "https://get.helm.sh/helm-v3.2.4-linux-amd64.tar.gz" | tar zxf - -C /usr/local/bin/ \
+RUN curl -q -L "https://get.helm.sh/helm-v3.7.0-linux-amd64.tar.gz" | tar zxf - -C /usr/local/bin/ \
  && mv /usr/local/bin/linux-amd64/helm /usr/local/bin/helm \
  && rm -r /usr/local/bin/linux-amd64 \
  && chmod +x /usr/local/bin/helm 

test/canary/scripts/install_controller_helm.sh

@@ -7,12 +7,10 @@ function install_helm_chart() {
     local oidc_role_arn="$2"
     local region="$3"
     local namespace="$4"
-    local account_id=$(aws sts get-caller-identity --output text --query "Account")
 
     yq w -i helm/values.yaml "serviceAccount.annotations" ""
     yq w -i helm/values.yaml 'serviceAccount.annotations."eks.amazonaws.com/role-arn"' "$oidc_role_arn"
     yq w -i helm/values.yaml "aws.region" $region
-    yq w -i helm/values.yaml "aws.account_id" $account_id
 
     kubectl apply -f helm/crds
     helm install -n $namespace --create-namespace ack-$service-controller --skip-crds helm