Name:           my-script
Version:        1.0
Release:        1%{?dist}
Summary:        A wrapper script to ensure the AWS cli is using proxy variables
License:        MIT
BuildArch:      noarch

%description
This RPM contains a simple shell script to wrap the AWS cli ensuring the proxies are set.

%prep
# Nothing to prep

%build
# Nothing to build

%install
mkdir -p %{buildroot}%{_bindir}

# This "cat" command creates the script file inside the build environment
cat << 'EOF' > %{buildroot}%{_bindir}/aws.sh
#!/usr/bin/env bash
set \
  -o nounset \
  -o pipefail \
  -o errexit
export HTTPS_PROXY=squid.corp.redhat.com:3128
export HTTP_PROXY=squid.corp.redhat.com:3128

if ! command -v curl &> /dev/null
then
  # if curl isn't installed, print a warning
  echo "WARN: curl is not installed, cannot preflight VPN connection. If this command seems to hang you might need to connect to the VPN" 1>&2
else
  # Fail fast if not connected to the VPN instead of a very long timeout (exit code is curls proxy exit code)
  # This connect-timeout may need to be tuned depending on SRE geolocation and latency to the proxy
  if ! curl --connect-timeout 1 "${HTTPS_PROXY}" > /dev/null 2>&1
  then
    echo "Proxy Unavailable. Are you on the VPN?" 1>&2
    exit 1
  fi
fi
EOF

# Ensure the script is executable
chmod 0755 %{buildroot}%{_bindir}/aws.sh

%files
%{_bindir}/aws.sh