The approle authentication method allows machines or applications to authenticate with Vault-defined roles. In order for an approle to receive a token, a set of policies and login constraints must be met.
This KB article is an extension of the existing approle token ttl suffix for:
To sum up:
nsfor nanoseconds (not commonly used in Vault)
µsfor microsecond (not commonly used in Vault)
vault write auth/approle/role/my-role \
Success! Data written to: auth/approle/role/my-role