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. > > i'm for any way of running containers on a openwrt image, like my pis > > then i should be able to run some of my stuff as a container and i don't > have to worry too much about various packages and so on since i can run for > example a debian container plus i could likely consolidated my stuff to just > one box instead of 3 separate. > plus one of the programs i need is very picky about having exactly the right > libraries and versions of them. > > _______________________________________________ > openwrt-devel mailing list > openwrt-devel@lists.openwrt.org > https://lists.openwrt.org/mailman/listinfo/openwrt-devel _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
