fix: preserve Sub2API host env keys

scripts/src/platform-infra/config.ts

@@ -224,6 +224,7 @@ export function parseHostDockerConfig(value: unknown, path: string, runtimeMode:
     redisPort: integerField(record, "redisPort", `${path}.hostDocker`),
     databaseHost: stringField(record, "databaseHost", `${path}.hostDocker`),
     databaseSslMode: stringField(record, "databaseSslMode", `${path}.hostDocker`),
+    preserveEnvKeys: record.preserveEnvKeys === undefined ? [] : stringArrayField(record, "preserveEnvKeys", `${path}.hostDocker`),
     noProxy: stringArrayField(record, "noProxy", `${path}.hostDocker`),
   };
   validateProxyName(hostDocker.projectName, `${path}.hostDocker.projectName`);
@@ -234,6 +235,9 @@ export function parseHostDockerConfig(value: unknown, path: string, runtimeMode:
   validatePort(hostDocker.redisPort, `${path}.hostDocker.redisPort`);
   validateHostOrIp(hostDocker.databaseHost, `${path}.hostDocker.databaseHost`);
   if (!/^[A-Za-z0-9_-]+$/u.test(hostDocker.databaseSslMode)) throw new Error(`${configPath}.${path}.hostDocker.databaseSslMode has an unsupported format`);
+  for (const key of hostDocker.preserveEnvKeys) {
+    if (!/^[A-Za-z_][A-Za-z0-9_]*$/u.test(key)) throw new Error(`${configPath}.${path}.hostDocker.preserveEnvKeys contains an unsupported env key`);
+  }
   return hostDocker;
 }
 

scripts/src/platform-infra/entry.ts

@@ -140,6 +140,7 @@ export interface Sub2ApiHostDockerConfig {
   redisPort: number;
   databaseHost: string;
   databaseSslMode: string;
+  preserveEnvKeys: string[];
   noProxy: string[];
 }
 

scripts/src/platform-infra/host-docker.ts

@@ -25,6 +25,7 @@ export function hostDockerPlanSummary(sub2api: Sub2ApiConfig, target: Sub2ApiTar
     databaseHost: database.host,
     databasePort: database.port,
     databaseSslMode: database.sslMode,
+    preserveEnvKeys: host.preserveEnvKeys,
     noProxy: host.noProxy,
     valuesPrinted: false,
   };
@@ -226,6 +227,7 @@ export function hostDockerApplyScript(sub2api: Sub2ApiConfig, target: Sub2ApiTar
   const env = hostDockerEnvFile(sub2api, target, secretMaterial);
   const composeB64 = Buffer.from(compose, "utf8").toString("base64");
   const envB64 = Buffer.from(env, "utf8").toString("base64");
+  const preserveEnvKeysB64 = Buffer.from(host.preserveEnvKeys.join("\n"), "utf8").toString("base64");
   const image = targetImage(sub2api, target);
   const dependencyImages = targetDependencyImages(sub2api, target);
   const pullCommand = image.pullPolicy === "Always"
@@ -246,10 +248,15 @@ tmp="$(mktemp -d)"
 trap 'rm -rf "$tmp"' EXIT
 compose_tmp="$tmp/docker-compose.yml"
 env_tmp="$tmp/sub2api.env"
+preserve_keys="$tmp/preserve-env-keys.txt"
+existing_env="$tmp/existing.env"
 printf '%s' '${composeB64}' | base64 -d >"$compose_tmp"
 printf '%s' '${envB64}' | base64 -d >"$env_tmp"
+printf '%s' '${preserveEnvKeysB64}' | base64 -d >"$preserve_keys"
 docker_out="$tmp/docker.out"
 docker_err="$tmp/docker.err"
+preserve_out="$tmp/preserve-env.out"
+preserve_err="$tmp/preserve-env.err"
 install_out="$tmp/install.out"
 install_err="$tmp/install.err"
 pull_out="$tmp/pull.out"
@@ -286,21 +293,100 @@ else
   : >"$docker_out"
   printf '%s\\n' 'docker daemon or docker compose is not accessible' >"$docker_err"
 fi
+preserve_rc=1
 install_rc=1
 if [ "$docker_rc" -eq 0 ]; then
-  sudo mkdir -p ${shQuote(host.workDir)} ${shQuote(host.appDataDir)} "$(dirname ${shQuote(host.composePath)})" "$(dirname ${shQuote(host.envPath)})" >"$install_out" 2>"$install_err"
-  install_rc=$?
-  if [ "$install_rc" -eq 0 ]; then
-    sudo install -m 0644 "$compose_tmp" ${shQuote(host.composePath)} >>"$install_out" 2>>"$install_err"
-    install_rc=$?
+  preserve_rc=0
+  : >"$existing_env"
+  if [ -s "$preserve_keys" ] && [ -f ${shQuote(host.envPath)} ]; then
+    if ! cat ${shQuote(host.envPath)} >"$existing_env" 2>"$preserve_err"; then
+      if ! sudo cat ${shQuote(host.envPath)} >"$existing_env" 2>>"$preserve_err"; then
+        preserve_rc=1
+      fi
+    fi
+  else
+    : >"$preserve_err"
   fi
-  if [ "$install_rc" -eq 0 ]; then
-    current_uid="$(id -u)"
-    current_gid="$(id -g)"
-    sudo install -m 0600 -o "$current_uid" -g "$current_gid" "$env_tmp" ${shQuote(host.envPath)} >>"$install_out" 2>>"$install_err"
+  if [ "$preserve_rc" -eq 0 ]; then
+    python3 - "$env_tmp" "$existing_env" "$preserve_keys" >"$preserve_out" 2>"$preserve_err" <<'PY'
+import json
+import re
+import sys
+
+env_path, existing_path, keys_path = sys.argv[1:]
+keys = []
+with open(keys_path, encoding="utf-8", errors="replace") as handle:
+    for line in handle:
+        key = line.strip()
+        if key:
+            keys.append(key)
+existing = {}
+try:
+    lines = open(existing_path, encoding="utf-8", errors="replace").read().splitlines()
+except FileNotFoundError:
+    lines = []
+for line in lines:
+    stripped = line.strip()
+    if not stripped or stripped.startswith("#") or "=" not in stripped:
+        continue
+    key = stripped.split("=", 1)[0].strip()
+    if re.match(r"^[A-Za-z_][A-Za-z0-9_]*$", key):
+        existing[key] = line
+current = open(env_path, encoding="utf-8", errors="replace").read()
+current_keys = set()
+for line in current.splitlines():
+    stripped = line.strip()
+    if stripped and not stripped.startswith("#") and "=" in stripped:
+        current_keys.add(stripped.split("=", 1)[0].strip())
+append_lines = []
+missing = []
+skipped_present = []
+for key in keys:
+    if key in current_keys:
+        skipped_present.append(key)
+    elif key in existing:
+        append_lines.append(existing[key])
+    else:
+        missing.append(key)
+if append_lines:
+    with open(env_path, "a", encoding="utf-8") as handle:
+        if not current.endswith("\\n"):
+            handle.write("\\n")
+        handle.write("\\n".join(append_lines) + "\\n")
+print(json.dumps({
+    "ok": True,
+    "keys": keys,
+    "preservedKeys": [line.split("=", 1)[0] for line in append_lines],
+    "missingKeys": missing,
+    "skippedAlreadyRenderedKeys": skipped_present,
+    "valuesPrinted": False,
+}, ensure_ascii=False))
+PY
+    preserve_rc=$?
+  else
+    printf '{"ok":false,"error":"read-existing-env-failed","valuesPrinted":false}\\n' >"$preserve_out"
+  fi
+  if [ "$preserve_rc" -eq 0 ]; then
+    sudo mkdir -p ${shQuote(host.workDir)} ${shQuote(host.appDataDir)} "$(dirname ${shQuote(host.composePath)})" "$(dirname ${shQuote(host.envPath)})" >"$install_out" 2>"$install_err"
     install_rc=$?
+    if [ "$install_rc" -eq 0 ]; then
+      sudo install -m 0644 "$compose_tmp" ${shQuote(host.composePath)} >>"$install_out" 2>>"$install_err"
+      install_rc=$?
+    fi
+    if [ "$install_rc" -eq 0 ]; then
+      current_uid="$(id -u)"
+      current_gid="$(id -g)"
+      sudo install -m 0600 -o "$current_uid" -g "$current_gid" "$env_tmp" ${shQuote(host.envPath)} >>"$install_out" 2>>"$install_err"
+      install_rc=$?
+    fi
+  else
+    : >"$install_out"
+    printf '%s\\n' 'skipped because preserve env failed' >"$install_err"
+    install_rc=1
   fi
 else
+  : >"$preserve_out"
+  : >"$preserve_err"
   : >"$install_out"
   : >"$install_err"
 fi
@@ -355,13 +441,13 @@ else
   : >"$health_out"
   printf '%s\\n' 'skipped because compose up failed' >"$health_err"
 fi
-python3 - "$docker_rc" "$install_rc" "$pull_rc" "$up_rc" "$health_rc" "$compose_mode" "$docker_out" "$docker_err" "$install_out" "$install_err" "$pull_out" "$pull_err" "$up_out" "$up_err" "$health_out" "$health_err" <<'PY'
+python3 - "$docker_rc" "$preserve_rc" "$install_rc" "$pull_rc" "$up_rc" "$health_rc" "$compose_mode" "$docker_out" "$docker_err" "$preserve_out" "$preserve_err" "$install_out" "$install_err" "$pull_out" "$pull_err" "$up_out" "$up_err" "$health_out" "$health_err" <<'PY'
 import json
 import sys
 
-docker_rc, install_rc, pull_rc, up_rc, health_rc = [int(value) for value in sys.argv[1:6]]
-docker_mode = sys.argv[6]
-paths = sys.argv[7:]
+docker_rc, preserve_rc, install_rc, pull_rc, up_rc, health_rc = [int(value) for value in sys.argv[1:7]]
+docker_mode = sys.argv[7]
+paths = sys.argv[8:]
 
 def text(path, limit=4000):
     try:
@@ -369,8 +455,14 @@ def text(path, limit=4000):
     except FileNotFoundError:
         return ""
 
+def parsed(path):
+    try:
+        return json.load(open(path, encoding="utf-8", errors="replace"))
+    except Exception:
+        return None
+
 payload = {
-    "ok": docker_rc == 0 and install_rc == 0 and pull_rc == 0 and up_rc == 0 and health_rc == 0,
+    "ok": docker_rc == 0 and preserve_rc == 0 and install_rc == 0 and pull_rc == 0 and up_rc == 0 and health_rc == 0,
     "target": "${target.id}",
     "runtimeMode": "host-docker",
     "route": "${target.route}",
@@ -387,10 +479,11 @@ payload = {
     },
     "steps": {
         "docker": {"exitCode": docker_rc, "stdout": text(paths[0]), "stderr": text(paths[1])},
-        "installFiles": {"exitCode": install_rc, "stdout": text(paths[2]), "stderr": text(paths[3])},
-        "pull": {"exitCode": pull_rc, "stdout": text(paths[4]), "stderr": text(paths[5])},
-        "composeUp": {"exitCode": up_rc, "stdout": text(paths[6]), "stderr": text(paths[7])},
-        "localHealth": {"exitCode": health_rc, "stdout": text(paths[8]), "stderr": text(paths[9])},
+        "preserveEnv": {"exitCode": preserve_rc, "summary": parsed(paths[2]), "stdout": text(paths[2]), "stderr": text(paths[3])},
+        "installFiles": {"exitCode": install_rc, "stdout": text(paths[4]), "stderr": text(paths[5])},
+        "pull": {"exitCode": pull_rc, "stdout": text(paths[6]), "stderr": text(paths[7])},
+        "composeUp": {"exitCode": up_rc, "stdout": text(paths[8]), "stderr": text(paths[9])},
+        "localHealth": {"exitCode": health_rc, "stdout": text(paths[10]), "stderr": text(paths[11])},
     },
     "valuesPrinted": False,
 }