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Merge pull request #42197 from jcbsmpsn/legacy-abac-16

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Automatic merge from submit-queue (batch tested with PRs 41931, 39821, 41841, 42197, 42195)

Adding legacy ABAC for 1.6

This is a fork of a previous [pull request](https://github.com/kubernetes/kubernetes/pull/42014) to include feedback as the original author is unavailable.

Adds a mechanism to optionally enable legacy abac for 1.6 to provide a migration path for existing users.
This commit is contained in:
Kubernetes Submit Queue 2017-03-01 20:08:05 -08:00 committed by GitHub
commit e22eca743f
1 changed files with 15 additions and 0 deletions
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15
cluster/gce/gci/configure-helper.sh
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@ -1074,6 +1074,21 @@ function start-kube-apiserver {
local authorization_mode="RBAC"
# Create the ABAC file only if it's explicitly requested.
if [[ -n "${ENABLE_LEGACY_ABAC_16_ONLY:-}" ]]; then
if [[ -n "${KUBE_USER:-}" || ! -e /etc/srv/kubernetes/abac-authz-policy.jsonl ]]; then
local -r abac_policy_json="${src_dir}/abac-authz-policy.jsonl"
remove-salt-config-comments "${abac_policy_json}"
if [[ -n "${KUBE_USER:-}" ]]; then
sed -i -e "s/{{kube_user}}/${KUBE_USER}/g" "${abac_policy_json}"
else
sed -i -e "/{{kube_user}}/d" "${abac_policy_json}"
fi
cp "${abac_policy_json}" /etc/srv/kubernetes/
fi
fi
# Load existing ABAC policy files written by versions < 1.6 of this script
# TODO: only default to this legacy path when in upgrade mode
ABAC_AUTHZ_FILE="${ABAC_AUTHZ_FILE:-/etc/srv/kubernetes/abac-authz-policy.jsonl}"