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Add support for systemd-nspawn containers

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This adds support for running OpenRC in a container created by
the systemd-nspawn utility.

This fixes #52.

X-Gentoo-Bug: 548058
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=548058
This commit is contained in:
William Hubbs
2015-04-28 15:07:21 -05:00
parent a27d577da8
commit c709e6077c
4 changed files with 16 additions and 9 deletions
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17
etc/rc.conf.Linux
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@@ -2,14 +2,15 @@
# LINUX SPECIFIC OPTIONS # LINUX SPECIFIC OPTIONS
# This is the subsystem type. Valid options on Linux: # This is the subsystem type. Valid options on Linux:
# "" - nothing special # "" - nothing special
# "lxc" - Linux Containers # "lxc" - Linux Containers
# "openvz" - Linux OpenVZ # "openvz" - Linux OpenVZ
# "prefix" - Prefix # "prefix" - Prefix
# "uml" - Usermode Linux # "uml" - Usermode Linux
# "vserver" - Linux vserver # "vserver" - Linux vserver
# "xen0" - Xen0 Domain # "systemd-nspawn" - Container created by the systemd-nspawn utility
# "xenU" - XenU Domain # "xen0" - Xen0 Domain
# "xenU" - XenU Domain
# If this is commented out, automatic detection will be used. # If this is commented out, automatic detection will be used.
# #
# This should be set to the value representing the environment this file is # This should be set to the value representing the environment this file is

5
sh/openrc-run.sh.in
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@@ -34,7 +34,10 @@ sourcex()
sourcex "@LIBEXECDIR@/sh/functions.sh" sourcex "@LIBEXECDIR@/sh/functions.sh"
sourcex "@LIBEXECDIR@/sh/rc-functions.sh" sourcex "@LIBEXECDIR@/sh/rc-functions.sh"
[ "$RC_SYS" != "PREFIX" ] && sourcex -e "@LIBEXECDIR@/sh/rc-cgroup.sh" case $RC_SYS in
PREFIX|SYSTEMD-NSPAWN) ;;
*) sourcex -e "@LIBEXECDIR@/sh/rc-cgroup.sh";;
esac
# Support LiveCD foo # Support LiveCD foo
if sourcex -e "/sbin/livecd-functions.sh"; then if sourcex -e "/sbin/livecd-functions.sh"; then

2
src/librc/librc.c
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@@ -294,6 +294,8 @@ rc_sys_v1(void)
return RC_SYS_OPENVZ; /* old test */ return RC_SYS_OPENVZ; /* old test */
else if (file_regex("/proc/1/environ", "container=lxc")) else if (file_regex("/proc/1/environ", "container=lxc"))
return RC_SYS_LXC; return RC_SYS_LXC;
else if (file_regex("/proc/1/environ", "container=systemd-nspawn"))
return RC_SYS_SYSTEMD_NSPAWN;
#endif #endif
return NULL; return NULL;

1
src/librc/rc.h.in
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@@ -332,6 +332,7 @@ bool rc_service_daemons_crashed(const char *);
#define RC_SYS_OPENVZ "OPENVZ" #define RC_SYS_OPENVZ "OPENVZ"
#define RC_SYS_LXC "LXC" #define RC_SYS_LXC "LXC"
#define RC_SYS_PREFIX "PREFIX" #define RC_SYS_PREFIX "PREFIX"
#define RC_SYS_SYSTEMD_NSPAWN "SYSTEMD-NSPAWN"
#define RC_SYS_UML "UML" #define RC_SYS_UML "UML"
#define RC_SYS_VSERVER "VSERVER" #define RC_SYS_VSERVER "VSERVER"
#define RC_SYS_XEN0 "XEN0" #define RC_SYS_XEN0 "XEN0"