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Add detection for docker containers

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This commit is contained in:
William Hubbs
2015-12-01 18:20:02 -06:00
parent 635e33cdc8
commit 9fedb3b40b
4 changed files with 8 additions and 0 deletions
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4
src/librc/librc.c
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@@ -269,6 +269,8 @@ rc_sys(void)
return RC_SYS_LXC;
if (strcmp(systype, RC_SYS_SYSTEMD_NSPAWN) == 0)
return RC_SYS_SYSTEMD_NSPAWN;
if (strcmp(systype, RC_SYS_DOCKER) == 0)
return RC_SYS_DOCKER;
}
if (exists("/proc/xen")) {
if (file_regex("/proc/xen/capabilities", "control_d"))
@@ -288,6 +290,8 @@ rc_sys(void)
return RC_SYS_LXC;
else if (file_regex("/proc/1/environ", "container=systemd-nspawn"))
return RC_SYS_SYSTEMD_NSPAWN;
else if (file_regex("/proc/1/environ", "container=docker"))
return RC_SYS_DOCKER;
#endif
return NULL;

1
src/librc/rc.h.in
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@@ -329,6 +329,7 @@ bool rc_service_daemons_crashed(const char *);
/*! @name System types
* OpenRC can support some special sub system types, normally virtualization.
* Some services cannot work in these systems, or we do something else. */
#define RC_SYS_DOCKER "DOCKER"
#define RC_SYS_JAIL "JAIL"
#define RC_SYS_OPENVZ "OPENVZ"
#define RC_SYS_LXC "LXC"