I am not sure that what I would like to do is even possible. I was hoping there is someone out there who could chime in on this.
We use Ceph RBD and Ceph FS somewhat extensively and are starting on our RGW journey.
We have a couple of different groups that would like to be their own tenants and have a namespace to themselves. They would also like to use STS and our internal iDP for short lived credentials.
We have working POC in the most simple manner using RGW and STS with AssumeRoleWithWebIdentity.
With the Role and Policy shown below I create a bucket and end up with the default ownership and ACL as also shown below.
Ceph RGW ends up creating the user "$oidc$cc1cfa5f-b3b2-4370-b80b-7d9492d52dfc" as a map to my iDP user which lives in the default no name tenant. All buckets created by this user end up in the default no name tenant.
What I really want to do is assign these “dynamic” users to tenants based on Roles/Policies such that I can use iDP aud/sub/azp fields for the assignment.
Is there any way using STS and AssumeRoleWithWebIdentity to assign users to tenants or I am stuck with the default tenant. Could it be that I am simply not correct Policy statements to attach the users to the correct tenanacy.
I have done a through web search and cannot find any/many examples of people trying to use this paradigm
Thanks!
#
# Ownership
#
{
"Buckets": [
{
"Name": "mybuck",
"CreationDate": "2022-02-15T20:30:32.855000+00:00"
}
],
"Owner": {
"DisplayName": "",
"ID": "$oidc$cc1cfa5f-b3b2-4370-b80b-7d9492d52dfc"
}
}
#
# ACL
#
{
"Owner": {
"ID": "$oidc$cc1cfa5f-b3b2-4370-b80b-7d9492d52dfc"
},
"Grants": [
{
"Grantee": {
"ID": "$oidc$cc1cfa5f-b3b2-4370-b80b-7d9492d52dfc",
"Type": "CanonicalUser"
},
"Permission": "FULL_CONTROL"
}
]
}
#
# Role
#
{
"Version" :"2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Federated": [
"arn:aws:iam:::oidc-provider/keycloak.acmewidgets.net:8443/auth/realms/acme"
]
},
"Action": [
"sts:AssumeRoleWithWebIdentity"
],
"Condition": {
"StringEquals": {
"keycloak.acmewidgets.net:8443/auth/realms/acme:app_id":"app001"
}
}
}
]
}
#
# Policy
#
{
"Version": "2012-10-17",
"Statement": {
"Effect": "Allow",
"Action": "s3:*",
"Resource": "arn:aws:s3:::*"
}
}
--
Mark Selby
Sr Linux Administrator, The Voleon Group
mselby@xxxxxxxxxx
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