whoami in az and aws cli versions + get-policy-document for aws

custom-cloud-commands

# general
alias aws.whoami='aws iam get-user --query User.Arn --output text'
alias az.whoami='az ad signed-in-user show --query userPrincipalName --output tsv'

# In ~/.aws/credencials|config leave [default] profile empty and name it each one of it so `aws-env -l` can list all of them
# aws.profile # show current profile
# aws.profile profile-name # set profile name
# Double tab completion works
aws.profile ()
{
    CMDS="aws-env";
    for COMMAND in $CMDS;
    do
        command -v $COMMAND > /dev/null && continue || {
            echo "'$COMMAND' command not found";
            return 1
        };
    done;
    complete -W "$(aws-env -l)" aws.profile;
    if [ ! -z "$1" ]; then
        echo -e "$(aws-env -l)" | grep --color=always -w "$1" > /dev/null;
        if [ $? -eq 0 ]; then
            $(aws-env $1);
            echo "AWS profile set: $AWS_PROFILE";
        else
            echo "Error: Looks like profile '$1' doesn't exist" 1>&2;
        fi;
    else
        if [ -z "$AWS_PROFILE" ]; then
            echo "AWS profile is not set";
        else
            echo $AWS_PROFILE;
        fi;
    fi
}



function aws.get-policy-document() {
	if [ $# -eq 0 ]
	then
		echo "Error: No policy name supplied"
	else
		POLICY_NAME="\`${1}\`"
		ARN=$(aws iam list-policies --query "Policies[?PolicyName==${POLICY_NAME}].Arn" --output text)
		DEFAULT_VERSION=$(aws iam list-policy-versions --policy-arn $ARN | jq -r '.Versions[] | select(.IsDefaultVersion == true) | .VersionId')
		aws iam get-policy-version --policy-arn $ARN --version-id $DEFAULT_VERSION --query PolicyVersion.Document
	fi
}