e2e: add test for exhausting idle shared pools.

Signed-off-by: Krisztian Litkey <krisztian.litkey@intel.com>

Author: klihub

test/e2e/policies.test-suite/topology-aware/n4c16/test16-idle-shared-pools/code.var.sh

@@ -0,0 +1,47 @@
+vm-command "kubectl delete pods --all --now"
+helm-terminate
+
+helm_config=$(COLOCATE_PODS=false instantiate helm-config.yaml) helm-launch topology-aware
+
+# Test that we allow slicing idle shared pools empty.
+CPU=4 MEM=100M CONTCOUNT=3 create guaranteed
+verify 'disjoint_sets(cpus["pod0c0"],cpus["pod0c1"],cpus["pod0c2"])'
+verify 'len(cpus["pod0c0"]) == 4' \
+       'len(cpus["pod0c1"]) == 4' \
+       'len(cpus["pod0c2"]) == 4'
+
+verify 'disjoint_sets(nodes["pod0c0"],nodes["pod0c1"],nodes["pod0c2"])'
+verify 'len(nodes["pod0c0"]) == 1' \
+       'len(nodes["pod0c1"]) == 1' \
+       'len(nodes["pod0c2"]) == 1'
+
+# Test that BestEffort and Burstable containers are now placed in the only
+# remaining pool with free CPU.
+CONTCOUNT=4 create besteffort
+verify 'cpus["pod1c0"] == cpus["pod1c1"]' \
+       'cpus["pod1c0"] == cpus["pod1c2"]' \
+       'cpus["pod1c0"] == cpus["pod1c3"]'
+
+CONTCOUNT=4 CPUREQ=100m CPULIM=150m create burstable
+verify 'cpus["pod2c0"] == cpus["pod2c1"]' \
+       'cpus["pod2c0"] == cpus["pod2c2"]' \
+       'cpus["pod2c0"] == cpus["pod2c3"]' \
+       'cpus["pod2c0"] == cpus["pod1c0"]'
+verify 'disjoint_sets(nodes["pod0c0"],nodes["pod0c1"],nodes["pod0c2"],nodes["pod1c0"])'
+
+vm-command "kubectl delete pods --all --now"
+
+# Now test the other way around. First spread 2 besteffort containers
+# around NUMA nodes. Then create a guaranteed one with 4 CPUs and check
+# that it gets allocated to a full NUMA node.
+CONTCOUNT=2 create besteffort
+verify 'disjoint_sets(cpus["pod3c0"],cpus["pod3c1"])'
+
+CPU=4 MEM=100M CONTCOUNT=1 create guaranteed
+verify 'disjoint_sets(cpus["pod4c0"],cpus["pod3c0"],cpus["pod3c1"])'
+verify 'len(cpus["pod4c0"]) == 4' \
+       'len(nodes["pod4c0"]) == 1'
+verify 'disjoint_sets(nodes["pod3c0"],nodes["pod3c1"],nodes["pod4c0"])'
+
+vm-command "kubectl delete pods --all --now"
+helm-terminate