Another potentially relevant piece of information is that Juju is not letting me use --via when relating to the remote model's offer:
ubuntu@bionic-212844:~$ juju status| grep -A 2 SAAS
SAAS Status Store URL
vault-certificates active ostctrl admin/ost.vault-certificates
vault-secrets active ostctrl admin/ost.vault-secrets
ubuntu@bionic-212844:~$ juju add-relation --via 10.100.0.0/24 kubernetes-master:vault-kv vault-secrets
ERROR the --via option can only be used when relating to offers in a different model
Another potentially relevant piece of information is that Juju is not letting me use --via when relating to the remote model's offer:
ubuntu@ bionic- 212844: ~$ juju status| grep -A 2 SAAS vault-certifica tes vault-secrets bionic- 212844: ~$ juju add-relation --via 10.100.0.0/24 kubernetes- master: vault-kv vault-secrets
SAAS Status Store URL
vault-certificates active ostctrl admin/ost.
vault-secrets active ostctrl admin/ost.
ubuntu@
ERROR the --via option can only be used when relating to offers in a different model