install: Add new instance-types option for AWS

Fixes: confidential-containers#321

Signed-off-by: Pradipta Banerjee <[email protected]>

entrypoint.sh

@@ -38,6 +38,7 @@ test_vars AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY
 [[ "${AWS_SG_IDS}" ]] && optionals+="-securitygroupids ${AWS_SG_IDS} " # MUST if template is not used
 [[ "${PODVM_AMI_ID}" ]] && optionals+="-imageid ${PODVM_AMI_ID} " # MUST if template is not used
 [[ "${PODVM_INSTANCE_TYPE}" ]] && optionals+="-instance-type ${PODVM_INSTANCE_TYPE} " # default t3.small
+[[ "${PODVM_INSTANCE_TYPES}" ]] && optionals+="-instance-types ${PODVM_INSTANCE_TYPES} "
 [[ "${SSH_KP_NAME}" ]] && optionals+="-keyname ${SSH_KP_NAME} " # if not retrieved from IMDS
 [[ "${AWS_SUBNET_ID}" ]] && optionals+="-subnetid ${AWS_SUBNET_ID} " # if not set retrieved from IMDS
 [[ "${AWS_REGION}" ]] && optionals+="-aws-region ${AWS_REGION} " # if not set retrieved from IMDS

install/overlays/aws/kustomization.yaml

@@ -23,6 +23,7 @@ configMapGenerator:
   # Comment out all the following variables if using launch template
   - PODVM_AMI_ID="" #set
   #- PODVM_INSTANCE_TYPE="t3.small" # caa defaults to t3.small
+  #- PODVM_INSTANCE_TYPES="" # comma separated
   #- AWS_SG_IDS="" # comma separated, if not set all SGs will be retrieved from IMDS
   #- AWS_REGION="" # if not set retrieved from IMDS
   #- SSH_KP_NAME="" # if not set retrieved from IMDS