ipsec: Don't attempt per-node route deletion when unexistant #26093
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Commit 3e59b68 ("ipsec: Per-node XFRM states & policies for EKS & AKS") changed the XFRM config to have one state and policy per remote node in IPAM modes ENI and Azure. The IPsec cleanup logic was therefore also updated to call deleteIPsec() whenever a remote node is deleted. However, we missed that the cleanup logic also tries to remove the per-node IP route. In case of IPAM modes ENI and Azure, the IP route however stays as before: we have a single route for all remote nodes. We therefore don't have anything to cleanup. Because of this unnecessary IP route cleanup attempt, an error message was printed for every remote node deletion: Unable to delete the IPsec route OUT from the host routing table This commit fixes it to avoid attempting this unnecessary cleanup. Fixes: 3e59b68 ("ipsec: Per-node XFRM states & policies for EKS & AKS") Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
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I see two instances of #25964 and one of #26009 in the failed Conformance ginkgo test, I'm re-triggering the failed jobs (the workflow is not “required” anyway). |
qmonnet
approved these changes
Jun 13, 2023
jibi
approved these changes
Jun 13, 2023
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This was referenced Jun 14, 2023
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Commit 3e59b68 ("ipsec: Per-node XFRM states & policies for EKS & AKS") changed the XFRM config to have one state and policy per remote node in IPAM modes ENI and Azure. The IPsec cleanup logic was therefore also updated to call deleteIPsec() whenever a remote node is deleted.
However, we missed that the cleanup logic also tries to remove the per-node IP route. In case of IPAM modes ENI and Azure, the IP route however stays as before: we have a single route for all remote nodes. We therefore don't have anything to cleanup.
Because of this unnecessary IP route cleanup attempt, an error message was printed for every remote node deletion:
This commit fixes it to avoid attempting this unnecessary cleanup.
Fixes: #24030.