This PR adds TLS certificates API support for monitoring expiry date of server certificates in Fastly account.
The code introduces new prometheus metric:
# HELP fastly_rt_cert_expiry_timestamp_seconds Metadata about Fastly certificates.
# TYPE fastly_rt_cert_expiry_timestamp_seconds gauge
fastly_rt_cert_expiry_timestamp_seconds{CN="abc",SN="123",id="xxx",issuer="abc",name="xxx"} 1.748605196e+09
This PR adds TLS certificates API support for monitoring expiry date of server certificates in Fastly account.
The code introduces new prometheus metric: