On Sun, Oct 07, 2018 at 04:54:42PM +0200, Torbjorn Jansson wrote: > On 2018-09-30 16:21, Daniel Golle wrote: > > On Sun, Sep 30, 2018 at 02:18:54PM +0200, Torbjorn Jansson wrote: > > > On 2018-09-30 13:59, Daniel Golle wrote: > > > > On Sun, Sep 30, 2018 at 12:21:12PM +0200, Torbjorn Jansson wrote: > > > > > Hello. > > > > > > > > > > a question, is it possible to run docker on openwrt? > > > > > reason for asking is that i got a raspberrypi running openwrt and it > > > > > got > > > > > plenty of storage space and is mostly sitting idle so if i can run > > > > > docker on > > > > > it i might be able to consolidate some of the other pis i have for > > > > > various > > > > > purposes. > > > > > > > > > > i know you can do it the other way around, running openwrt in a docker > > > > > instance on a regular computer but can you get docker itself to run > > > > > under > > > > > openwrt? > > > > > > > > > > ideas, suggestions? > > > > > > > > Just use LXC, that works well on OpenWrt, I'm using that to run various > > > > containers running Debian and OpenWrt on top of OpenWrt. > > > > (but you need to compile it yourself because many of the kernel options > > > > needed for containers aren't enabled by default) > > > > > > > > Docker didn't attract a lot of interest because it is x86_64 and > > > > ARM-only, so 80% of OpenWrt-supported devices aren't supported by > > > > Docker which doesn't provide images for MIPS-like CPUs. > > > > > > > > However, now that Golang has been added to the packages feed we could > > > > package Docker at least for the platforms supported by it... > > > > > > > > > > ok, i see. > > > i've never tried lxc and i think docker also needs some extra kernel > > > config > > > options for it to work. > > > > > > i ran the script from: > > > https://raw.githubusercontent.com/docker/docker/master/contrib/check-config.sh > > > on one of my boxes and it complained about: > > > - CONFIG_NAMESPACES: missing > > > - CONFIG_NET_NS: missing > > > - CONFIG_PID_NS: missing > > > - CONFIG_IPC_NS: missing > > > - CONFIG_UTS_NS: missing > > > - CONFIG_CGROUPS: missing > > > - CONFIG_CGROUP_CPUACCT: missing > > > - CONFIG_CGROUP_DEVICE: missing > > > - CONFIG_CGROUP_FREEZER: missing > > > - CONFIG_CGROUP_SCHED: missing > > > - CONFIG_CPUSETS: missing > > > - CONFIG_MEMCG: missing > > > - CONFIG_NETFILTER_XT_MATCH_IPVS: missing > > > - CONFIG_POSIX_MQUEUE: missing > > > > > > and then there were a bunch of optional features also missing. > > > > For now the binary distribution doesn't have all those kernel features > > enabled. You need to compile from source and make sure that > > CONFIG_LXC_KERNEL_OPTIONS is set, this selects all the kernel options > > needed to run containers. > > > > a followup question, where in the "make menuconfig" menu system do i find LXC? > i have looked everywhere and it is nowhere to be found. > if i add CONFIG_LXC_KERNEL_OPTIONS=y manually to .config and then run "make > menuconfig" the LXC option disappears. > > i can't figure out what (if any) dependencies i have to select first to make > it show up.
you need to install LXC from the packages feed. ie. ``` scripts/feeds update packages scripts/feeds install lxc ``` should do the trick. _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
