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fix(network): restore sandbox cluster access #18

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Merged
jmgilman merged 1 commit into from
Aug 26, 2026
Merged

fix(network): restore sandbox cluster access #18

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30 changes: 30 additions & 0 deletions tailscale/policy.hujson
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Original file line number Diff line number Diff line change
Expand Up @@ -38,12 +38,42 @@
"dst": ["tag:subnet-router:*"],
},


// Sandbox hosts reach only the Incus cluster API through the lab
// subnet route.
{
"action": "accept",
"src": ["tag:sandbox"],
"proto": "tcp",
"dst": [
"10.10.10.11:8443",
"10.10.10.12:8443",
"10.10.10.13:8443",
"10.10.10.14:8443",
],
},
// Routed hosts in the lab and home ranges reach each other in both
// directions.
{"action": "accept", "src": ["10.10.0.0/16"], "dst": ["172.16.0.0/16:*"]},
{"action": "accept", "src": ["172.16.0.0/16"], "dst": ["10.10.0.0/16:*"]},
],

"tests": [
{
"src": "tag:sandbox",
"accept": [
"10.10.10.11:8443",
"10.10.10.12:8443",
"10.10.10.13:8443",
"10.10.10.14:8443",
],
"deny": [
"10.10.10.10:8443",
"10.10.10.11:8444",
],
},
],

"ssh": [
// Tailscale SSH to your own devices, with periodic reauthentication.
{
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14 changes: 14 additions & 0 deletions tests/test_policy.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,20 @@ def test_rtr01_gateway_health_probe_is_allowed() -> None:
}""" in load_template()


def test_sandbox_to_management_is_allowed() -> None:
from networking_vyos.render import load_template

assert """rule 10 {
action accept
description "Allow sandbox to management"
destination {
group {
network-group LAB_MGMT
}
}
}""" in load_template()


def test_invented_footer_is_rejected() -> None:
with pytest.raises(ToolError, match="must not invent"):
validate_template(VALID_TEMPLATE + '\n// vyos-config-version: "guessed@1"\n')
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4 changes: 2 additions & 2 deletions vyos/gw01/config.boot.tmpl
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Expand Up @@ -322,8 +322,8 @@ firewall {
default-log
description "Forward from sandbox"
rule 10 {
action drop
description "Block sandbox to management"
action accept
description "Allow sandbox to management"
destination {
group {
network-group LAB_MGMT
Expand Down