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c27553b6e2
This patch adds feature for lxc containers to inherit namespaces. This is very similar to what lxc-tools or docker provides. Look for "man lxc-start" and you will find that you can pass command args as [ --share-[net|ipc|uts] name|pid ]. Or check out docker networking option in which you can give --net=container:NAME_or_ID as an option for sharing +namespace. >From this patch you can add extra libvirt option to share namespace in following way. <lxc:namespace> <lxc:sharenet type='netns' value='red'/> <lxc:shareipc type='pid' value='12345'/> <lxc:shareuts type='name' value='container1'/> </lxc:namespace> The netns option is specific to sharenet. It can be used to inherit from existing network namespace. Co-authored: Daniel P. Berrange <berrange@redhat.com>
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* Copyright IBM Corp. 2008
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*
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* lxc_container.h: header file for fcns run inside container
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*
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* Authors:
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* David L. Leskovec <dlesko at linux.vnet.ibm.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef LXC_CONTAINER_H
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# define LXC_CONTAINER_H
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# include "lxc_conf.h"
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# include "lxc_domain.h"
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# include "security/security_manager.h"
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enum {
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LXC_CONTAINER_FEATURE_NET = (1 << 0),
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LXC_CONTAINER_FEATURE_USER = (1 << 1),
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};
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# define LXC_DEV_MAJ_MEMORY 1
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# define LXC_DEV_MIN_NULL 3
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# define LXC_DEV_MIN_ZERO 5
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# define LXC_DEV_MIN_FULL 7
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# define LXC_DEV_MIN_RANDOM 8
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# define LXC_DEV_MIN_URANDOM 9
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# define LXC_DEV_MAJ_TTY 5
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# define LXC_DEV_MIN_TTY 0
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# define LXC_DEV_MIN_CONSOLE 1
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# define LXC_DEV_MIN_PTMX 2
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# define LXC_DEV_MAJ_PTY 136
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# define LXC_DEV_MAJ_FUSE 10
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# define LXC_DEV_MIN_FUSE 229
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int lxcContainerSendContinue(int control);
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int lxcContainerWaitForContinue(int control);
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int lxcContainerStart(virDomainDefPtr def,
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virSecurityManagerPtr securityDriver,
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size_t nveths,
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char **veths,
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size_t npassFDs,
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int *passFDs,
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int control,
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int handshakefd,
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int *nsInheritFDs,
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size_t nttyPaths,
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char **ttyPaths);
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int lxcContainerAvailable(int features);
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int lxcContainerSetupHostdevCapsMakePath(const char *dev);
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virArch lxcContainerGetAlt32bitArch(virArch arch);
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int lxcContainerChown(virDomainDefPtr def, const char *path);
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bool lxcIsBasicMountLocation(const char *path);
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#endif /* LXC_CONTAINER_H */
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