<fix>[vm]: add conditional stop target precheck - #4673

#!/bin/bash
set -euo pipefail

# Expect explicit handling for the new allocation purposes.
rg -n -C 5 '\b(HostAllocationPurpose|HA_PRECHECK|HA_START|LIST_CANDIDATES|ALLOCATE)\b' --glob '*.java' .

#!/bin/bash
set -euo pipefail

printf '%s\n' '--- changed files ---'
git diff --stat

printf '%s\n' '--- all purpose references ---'
rg -n -C 4 '\b(HostAllocationPurpose|HA_PRECHECK|HA_START|LIST_CANDIDATES|ALLOCATE|getPurpose\(\)|setPurpose\()\b' \
  --glob '!target/**' --glob '!build/**' .

printf '%s\n' '--- purpose-related control flow ---'
rg -n -C 8 'getPurpose\(\)|HostAllocationPurpose\.[A-Z_]+|switch\s*\([^)]*purpose|switch\s*\([^)]*Purpose' \
  --glob '*.java' --glob '*.groovy' --glob '*.kt' --glob '*.xml' .

#!/bin/bash
set -euo pipefail

printf '%s\n' '--- exact new enum references ---'
rg -n -C 3 'HA_PRECHECK|HA_START' --glob '!target/**' --glob '!build/**' . || true

printf '%s\n' '--- HostAllocationPurpose references ---'
rg -n -C 3 'HostAllocationPurpose' --glob '*.java' --glob '*.groovy' --glob '*.kt' . || true

printf '%s\n' '--- candidate-host message flow ---'
rg -n -C 6 'GetVmStartingCandidateClustersHostsMsg|HostAllocatorSpec\.fromAllocationMsg|fromAllocationMsg\(' \
  --glob '*.java' --glob '*.groovy' --glob '*.kt' . || true

printf '%s\n' '--- purpose consumers and branches ---'
rg -n -C 8 'getPurpose\(\)|setPurpose\(|HostAllocationPurpose\.[A-Z_]+' \
  header compute plugin kvm --glob '*.java' --glob '*.groovy' --glob '*.kt' 2>/dev/null || true

printf '%s\n' '--- enum serialization/conversion hooks ---'
rg -n -C 5 'enum.*HostAllocationPurpose|valueOf\(.*Purpose|Enum\.valueOf|ObjectMapper|Jackson|Gson|serialize|deserialize|toJson|fromJson' \
  header compute plugin kvm --glob '*.java' --glob '*.groovy' --glob '*.kt' 2>/dev/null || true

#!/bin/bash
set -euo pipefail

python3 - <<'PY'
from pathlib import Path
import subprocess

files = subprocess.check_output(["git", "ls-files"], text=True).splitlines()
suffixes = {".java", ".groovy", ".kt", ".xml", ".json"}

terms = (
    "HA_PRECHECK",
    "HA_START",
    "HostAllocationPurpose",
    "GetVmStartingCandidateClustersHostsMsg",
)

for term in terms:
    print(f"--- {term} ---")
    hits = []
    for name in files:
        path = Path(name)
        if path.suffix not in suffixes:
            continue
        try:
            lines = path.read_text(errors="ignore").splitlines()
        except OSError:
            continue
        for number, line in enumerate(lines, 1):
            if term in line:
                hits.append((name, number, line.strip()))
    for name, number, line in hits:
        print(f"{name}:{number}:{line}")
    print(f"count={len(hits)}")

print("--- candidate-host handlers ---")
for name in files:
    path = Path(name)
    if path.suffix != ".java":
        continue
    try:
        text = path.read_text(errors="ignore")
    except OSError:
        continue
    if "GetVmStartingCandidateClustersHostsMsg" not in text:
        continue
    lines = text.splitlines()
    for number, line in enumerate(lines, 1):
        if "GetVmStartingCandidateClustersHostsMsg" in line:
            start = max(1, number - 12)
            end = min(len(lines), number + 30)
            print(f"\n{name}:{number}")
            for i in range(start, end + 1):
                print(f"{i}:{lines[i-1]}")
PY

#!/bin/bash
set -euo pipefail

python3 - <<'PY'
from pathlib import Path
import subprocess

files = [Path(x) for x in subprocess.check_output(["git", "ls-files"], text=True).splitlines()]

def show(term, allowed_suffixes={".java"}):
    print(f"--- {term} ---")
    count = 0
    for path in files:
        if path.suffix not in allowed_suffixes:
            continue
        try:
            lines = path.read_text(errors="ignore").splitlines()
        except OSError:
            continue
        for number, line in enumerate(lines, 1):
            if term in line:
                print(f"{path}:{number}:{line.strip()}")
                count += 1
    print(f"count={count}")

show("HostAllocatorSpec")
show("DesignatedAllocateHostMsg")
show("getPurpose()")
show("HostAllocationPurpose.")
show("switch (spec.getPurpose")
show("switch (msg.getPurpose")

print("--- allocator files containing purpose logic ---")
for path in files:
    if path.suffix != ".java" or "allocator" not in str(path).lower():
        continue
    try:
        lines = path.read_text(errors="ignore").splitlines()
    except OSError:
        continue
    matches = [
        (number, line.strip())
        for number, line in enumerate(lines, 1)
        if "purpose" in line.lower()
    ]
    if matches:
        print(path)
        for number, line in matches[:40]:
            print(f"  {number}:{line}")
PY