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Merge pull request #459 from nirmata/450_fix_host_pid_ipc_policy

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fix policy
This commit is contained in:
Jim Bugwadia 2019-11-08 10:25:26 -08:00 • committed by GitHub
commit 913803a285
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3 changed files with 20 additions and 13 deletions
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17
samples/DisallowHostPIDIPC.md
View file

@ -12,18 +12,25 @@ To avoid pod container from having visibility to host process space, validate th
apiVersion: kyverno.io/v1alpha1
kind: ClusterPolicy
metadata:
name: validate-hostpid-hostipc
name: validate-host-pid-ipc
annotations:
policies.kyverno.io/category: Security
policies.kyverno.io/description: Sharing the host's PID namespace allows visibility of process
on the host, potentially exposing process information. Sharing the host's IPC namespace allows
the container process to communicate with processes on the host. To avoid pod container from
having visibility to host process space, validate that 'hostPID' and 'hostIPC' are set to 'false'.
spec:
validationFailureAction: enforce
rules:
- name: validate-hostpid-hostipc
- name: validate-host-pid-ipc
match:
resources:
kinds:
- Pod
validate:
message: "Disallow use of host's pid namespace and host's ipc namespace"
message: "Use of host PID and IPC namespaces is not allowed"
pattern:
spec:
(hostPID): "!true"
hostIPC: false
=(hostPID): "false"
=(hostIPC): "false"
````

11
samples/best_practices/disallow_hostpid_hostipc.yaml
View file

@ -1,7 +1,7 @@
apiVersion: kyverno.io/v1alpha1
kind: ClusterPolicy
metadata:
name: validate-hostpid-hostipc
name: validate-host-pid-ipc
annotations:
policies.kyverno.io/category: Security
policies.kyverno.io/description: Sharing the host's PID namespace allows visibility of process
@ -9,15 +9,16 @@ metadata:
the container process to communicate with processes on the host. To avoid pod container from
having visibility to host process space, validate that 'hostPID' and 'hostIPC' are set to 'false'.
spec:
validationFailureAction: audit
rules:
- name: validate-hostpid-hostipc
- name: validate-host-pid-ipc
match:
resources:
kinds:
- Pod
validate:
message: "Disallow use of host's pid namespace and host's ipc namespace"
message: "Use of host PID and IPC namespaces is not allowed"
pattern:
spec:
(hostPID): "!true"
hostIPC: false
=(hostPID): "false"
=(hostIPC): "false"

5
test/scenarios/samples/best_practices/scenario_validate_disallow_hostpid_hostipc.yaml
View file

@ -5,14 +5,13 @@ input:
expected:
validation:
policyresponse:
policy: validate-hostpid-hostipc
policy: validate-host-pid-ipc
resource:
kind: Pod
apiVersion: v1
namespace: ''
name: "nginx-with-hostpid"
rules:
- name: validate-hostpid-hostipc
- name: validate-host-pid-ipc
type: Validation
message: "Validation error: Disallow use of host's pid namespace and host's ipc namespace\nValidation rule 'validate-hostpid-hostipc' failed at path '/spec/hostIPC/'."
success: false