lxc/0077-lxc-set-negative-files.limit-to-max-and-fix-bug-of-s.patch
LiFeng c1c967d9bc lxc: make lxc-libs package
Signed-off-by: LiFeng <lifeng68@huawei.com>
2020-02-14 06:13:22 -05:00

118 lines
3.7 KiB
Diff

From bead04c30d859abd3f0ad7635266f0f29721640a Mon Sep 17 00:00:00 2001
From: tanyifeng <tanyifeng1@huawei.com>
Date: Tue, 2 Apr 2019 23:59:20 -0400
Subject: [PATCH 077/139] lxc: set negative files.limit to max and fix bug of
setting homedir
Signed-off-by: tanyifeng <tanyifeng1@huawei.com>
Signed-off-by: LiFeng <lifeng68@huawei.com>
---
src/lxc/cgroups/cgfsng.c | 19 +++++++++++++++----
src/lxc/storage/storage.c | 5 ++---
src/lxc/utils.c | 29 ++++++++++++++++++++---------
3 files changed, 37 insertions(+), 16 deletions(-)
diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 62d58f9..cc08737 100644
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -2259,19 +2259,30 @@ static bool __cg_legacy_setup_limits(struct cgroup_ops *ops,
cg = iterator->elem;
if (do_devices == !strncmp("devices", cg->subsystem, 7)) {
- if (cg_legacy_set_data(ops, cg->subsystem, cg->value)) {
+ const char *cgvalue = cg->value;
+ if (strcmp(cg->subsystem, "files.limit") == 0) {
+ if (lxc_safe_long_long(cgvalue, &setvalue) != 0) {
+ SYSERROR("Invalid integer value %s", cgvalue);
+ goto out;
+ }
+ if (setvalue <= 0) {
+ cgvalue = "max";
+ }
+ }
+ if (cg_legacy_set_data(ops, cg->subsystem, cgvalue)) {
if (do_devices && (errno == EACCES || errno == EPERM)) {
WARN("Failed to set \"%s\" to \"%s\"",
- cg->subsystem, cg->value);
+ cg->subsystem, cgvalue);
continue;
}
WARN("Failed to set \"%s\" to \"%s\"",
- cg->subsystem, cg->value);
+ cg->subsystem, cgvalue);
goto out;
}
DEBUG("Set controller \"%s\" set to \"%s\"",
- cg->subsystem, cg->value);
+ cg->subsystem, cgvalue);
}
+
// isulad: check cpu shares
if (strcmp(cg->subsystem, "cpu.shares") == 0) {
if (cg_legacy_get_data(ops, cg->subsystem, value, sizeof(value)) < 0) {
diff --git a/src/lxc/storage/storage.c b/src/lxc/storage/storage.c
index 88ed788..fa79762 100644
--- a/src/lxc/storage/storage.c
+++ b/src/lxc/storage/storage.c
@@ -611,9 +611,8 @@ bool storage_destroy(struct lxc_conf *conf)
r = storage_init(conf);
if (r == NULL) {
- ERROR("%s 's storage init failed, the storage may be deleted already", conf->name);
- ret = true;
- return ret;
+ WARN("%s 's storage init failed, the storage may be deleted already", conf->name);
+ return true;
}
destroy_rv = r->ops->destroy(r);
diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index 69eb3e5..7b82d06 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -1873,20 +1873,31 @@ int lxc_setup_keyring(void)
// isulad: set env home in container
int lxc_setup_env_home(uid_t uid)
{
-#define __DEFAULT_HOMEDIR__ "/"
+#define __PASSWD_FILE__ "/etc/passwd"
int ret = 0;
- char *homedir;
- struct passwd pwd, *result = NULL;
+ char *homedir = "/"; // default home dir is /
+ FILE *stream = NULL;
+ struct passwd pw, *pwbufp = NULL;
char buf[BUFSIZ];
- ret = getpwuid_r(uid, &pwd, buf, BUFSIZ, &result);
- if (ret || !result || !result->pw_dir) {
- WARN("User invalid, can not find user '%u'", uid);
- homedir = __DEFAULT_HOMEDIR__;
- } else {
- homedir = result->pw_dir;
+ stream = fopen_cloexec(__PASSWD_FILE__, "r");
+ if (stream == NULL) {
+ SYSWARN("Failed to open %s: %s", __PASSWD_FILE__);
+ goto set_env;
}
+ while (fgetpwent_r(stream, &pw, buf, sizeof(buf), &pwbufp) == 0 && pwbufp != NULL) {
+ if (pwbufp->pw_uid == uid) {
+ homedir = pwbufp->pw_dir;
+ goto set_env;
+ }
+ }
+ WARN("User invalid, can not find user '%u'", uid);
+
+set_env:
+ if (stream)
+ fclose(stream);
+
// if we didn't configure HOME, set it based on uid
if (setenv("HOME", homedir, 0) < 0) {
SYSERROR("Unable to set env 'HOME'");
--
1.8.3.1