Docker inside CT vz7 - Revision history

195.214.232.10: /* Container tuning */

2016-09-30T13:00:28Z

‎Container tuning

2016-09-13T10:22:48Z

2016-08-16T13:10:32Z

2016-07-25T08:49:32Z

2016-07-25T08:22:35Z

2016-07-25T08:22:01Z

2016-07-22T12:00:42Z

2016-07-18T20:54:43Z

2016-07-18T20:51:52Z

2016-07-18T20:49:16Z

@@ Line 25: / Line 25: @@
 == Container tuning ==
 * Allow all iptables modules to be used in containers:
   prlctl set $veid --netfilter=full

@@ Line 14: / Line 14: @@
   modprobe overlay
-'''Note:''' if you use kernel >= 3.10.0-327.18.2.vz7.14.25, you need to allow using "overlayfs" inside a Virtuozzo Container:
+'''Note:''' if you use 3.10.0-327.18.2.vz7.14.25 <= kernel <= 3.10.0-327.28.2.vz7.17.5, you need to allow using "overlayfs" inside a Virtuozzo Container:
   echo 1 > /proc/sys/fs/experimental_fs_enable
-This is a temporary step, it will be dropped once overlayfs is proved to be absolutely safe to run in any vz7 Container.
+This was a temporary step, if you use kernel >= 3.10.0-327.28.2.vz7.17.6, overlayfs can be used inside a Container by default.
 == Limitations ==

@@ Line 27: / Line 27: @@
 * Turn on '''bridge''' feature to allow docker creating bridged network inside container:
   prlctl set $veid --features bridge:on
 * Allow all iptables modules to be used in containers:
   prlctl set $veid --netfilter=full

@@ Line 1: / Line 1: @@
 Since Virtuozzo 7 kernel 3.10.0-327.18.2.vz7.14.7 it is possible to run Docker inside containers.
-'''Please be aware that this feature is experimental and is not supported in production!'''
+'''Please be aware that this feature is experimental and is not supported in production! We plan to make it production in the upcoming updates.'''
 '''This page is applicable for Virtuozzo 7''' (for Virtuozzo 6 see [[Docker inside CT | '''here''']]).

@@ Line 3: / Line 3: @@
 '''Please be aware that this feature is experimental and is not supported in production!'''
-'''This page is applicable for Virtuozzo 7''' (for OpenVZ 6 see [[Docker inside CT | '''here''']]).
+'''This page is applicable for Virtuozzo 7''' (for Virtuozzo 6 see [[Docker inside CT | '''here''']]).
 == Prerequisites ==

@@ Line 6: / Line 6: @@
 * Kernel 3.10.0-327.18.2.vz7.14.7 or later version
 * Kernel modules '''veth''' and '''overlay''' loaded on host
 '''Note:''' if you use kernel >= 3.10.0-327.18.2.vz7.14.25, you need to allow using "overlayfs" inside a Virtuozzo Container:
   echo 1 > /proc/sys/fs/experimental_fs_enable
 This is a temporary step, it will be dropped once overlayfs is proved to be absolutely safe to run in any vz7 Container.
 == Container tuning ==
-* Turn on '''bridge''' feature to allow docker creating bridged network:
+* Turn on '''bridge''' feature to allow docker creating bridged network inside container:
-  vzctl set $veid --features bridge:on --save
+  prlctl set $veid --features bridge:on
 * Setup Container veth-based network (Container must be '''veth'''-based, not '''venet'''-based):
-  vzctl set $veid --netif_add eth0 --save
+  prlctl set $veid --device-add net --network Bridged --dhcp yes
 * Allow all iptables modules to be used in containers:
-  vzctl set $veid --netfilter full --save
+  prlctl set $veid --netfilter=full
-== Limitations ==
+== Docker install ==
-* Only '''overlay''' and '''vfs''' Docker graph drivers are currently supported
+To install docker inside container please use Docker Installation Guide for your OS
-* [[Checkpointing and live migration]] of a container with Docker containers inside is not supported yet (to be done)
+https://docs.docker.com/v1.11/engine/installation/
 [[Category:HOWTO]]
 [[Category: TRD]]

← Older revision		Revision as of 20:51, 18 July 2016
Line 1:		Line 1:
−	Since Virtuozzo 7 kernel ~~vzkernel-~~3.10.0-327.18.2.vz7.14.7 it is possible to run Docker inside containers. This article describes how.	+	Since Virtuozzo 7 kernel 3.10.0-327.18.2.vz7.14.7 it is possible to run Docker inside containers. This article describes how.
	<br>'''This page is applicable for Virtuozzo 7''' (for OpenVZ 6 see [[Docker inside CT \| '''here''']]).		<br>'''This page is applicable for Virtuozzo 7''' (for OpenVZ 6 see [[Docker inside CT \| '''here''']]).