testsuite: add flux-core issue test for housekeeping

Problem: there is no test for flux-core issue
flux-framework/flux-core#6179.

Add tests in the Fluxion issues directory.

t/issues/t6179-flux-core-housekeeping.sh

@@ -0,0 +1,91 @@
+#!/bin/bash
+#
+#  Ensure fluxion calc_factor executes without overflow
+#
+
+log() { printf "flux-coreissue#6179: $@\n" >&2; }
+
+rpc() { flux python -c "import flux; flux.Flux().rpc(\"$1\").get()"; }
+
+cat <<'EOF' >free.py
+import flux
+import json
+import sys
+import subprocess as sp
+from pprint import pprint
+
+jobid=int(sp.check_output(['flux', 'job', 'id', sys.argv[1]]).decode())
+print(jobid)
+r_obj=json.loads(sp.check_output(['flux', 'job', 'info', sys.argv[1], 'R']).decode())
+obj = {'id': jobid, 'R': r_obj, 'final': True}
+pprint(obj)
+flux.Flux().rpc('sched.free', obj)
+sys.exit(0)
+EOF
+
+cat <<'EOF' >incomplete-free.py
+import flux
+import json
+import sys
+import subprocess as sp
+from pprint import pprint
+
+jobid=int(sp.check_output(['flux', 'job', 'id', sys.argv[1]]).decode())
+R_str = '{"version": 1, "execution": {"R_lite": [{"rank": "1", "children": {"core": "0-15", "gpu": "0-3"}}], "nodelist": ["node1"]}}'
+r_obj = json.loads(R_str)
+obj = {'id': jobid, 'R': r_obj, 'final': True}
+pprint(obj)
+flux.Flux().rpc('sched.free', obj)
+sys.exit(0)
+EOF
+
+cat <<'EOF' >R
+{"version": 1, "execution": {"R_lite": [{"rank": "0-1", "children": {"core": "0-15", "gpu": "0-3"}}], "nodelist": ["node0", "node1"]}}
+EOF
+
+log "Unloading modules..."
+flux module remove sched-simple
+flux module remove resource
+
+flux config load <<EOF
+[sched-fluxion-qmanager]
+queue-policy = "easy"
+
+[sched-fluxion-resource]
+match-policy = "lonodex"
+match-format = "rv1_nosched"
+
+[resource]
+noverify = true
+norestrict = true
+path = "R"
+EOF
+
+
+flux module load resource monitor-force-up
+flux module load sched-fluxion-resource
+flux module load sched-fluxion-qmanager
+flux queue start --all --quiet
+flux resource list
+flux resource status
+flux module list
+
+log "Running test job 1."
+job1=$(flux submit -N2 -t 1h --setattr=exec.test.run_duration=30s sleep inf)
+jobid1=$(flux job id ${job1})
+log "Sending final RPC for job 1."
+flux python ./free.py ${jobid1}
+
+log "Running test job 2."
+job2=$(flux submit -N2 -t 1h --setattr=exec.test.run_duration=30s sleep inf)
+jobid2=$(flux job id ${job2})
+log "Sending final RPC for job 1."
+flux python ./incomplete-free.py ${jobid2}
+
+flux jobs -a
+
+log "reloading sched-simple..."
+flux module remove sched-fluxion-qmanager
+flux module remove sched-fluxion-resource
+flux module load sched-simple
+