(sorry about the non-threaded copy - odd attachments messing up my email here…)
I mentioned on irc - can you check what your env proxy settings are - it looks like the osbuilder scripts pass on (lower case) http_proxy etc.:
https://github.com/kata-containers/osbuilder/blob/a12618811dd715c2d4438ce3c64ce6bd9fe7c630/image-builder/image_builder.sh#L92
 
Soo, if you are maybe using HTTP_PROXY, in your env, maybe this does not work?
You could run that script (or whichever script you are running) with ‘set –x’, to see if those docker command line parameters make it through OK.
 
(and, don’t forget, this is a public list – don’t post your actual proxy settings here – not the IP addresses/machine names at least  ;-)
 
Graham
 
-----------
Hi Eric,
I’ll give your feedback in the morning (It’s a little late in PRC).
 
--Thanks
Changcheng
 
From: Ernst, Eric
Sent: Wednesday, June 6, 2018 8:59 PM
To: Hunt, James O <james.o.hunt@intel.com>
Cc: Liu, Changcheng <changcheng.liu@intel.com>; kata-dev@lists.katacontainers.io
Subject: Re: [kata-dev] osbuilder/rootfs build with docker on native ubuntu host
 
Can you see if you can start an Ubuntu container and run apt-get update within the container?
 
It sounds like connectivity to me as well. Docker needs proxy settings separately for inside the container connectivity. 
 
Eric

On Jun 6, 2018, at 5:32 AM, Hunt, James O <james.o.hunt@intel.com> wrote:
Hi Changcheng,
 
It looks like it might be a network issue or (possibly?) you happened to run the command when the Fedora repo was being updated (I'm not sure if their repo updates are atomic).
 
Could you try re-running and if that doesn't work, raising an issue with the output of `sudo kata-collect-data.sh` pasted into the github issue?
 
https://github.com/kata-containers/osbuilder/issues/new
 
Cheers,
 
James
 
2018-06-06 13:12 GMT+01:00 Liu, Changcheng <changcheng.liu@intel.com>:
Hi all,
I fail to build rootfs on ubuntu host after following the “rootfs-builder/README.md” guide.
Could anyone give me some idea to do further check?
 
Issue:
sudo -E ./rootfs-builder/rootfs.sh -r "${PWD}/fedora_rootfs" fedora
~/LINUX/go_repo/osbuilder/rootfs-builder/fedora ~/LINUX/go_repo/osbuilder
#
# Copyright (c) 2018 Intel Corporation
#
# SPDX-License-Identifier: Apache-2.0
 
From fedora:27
 
RUN dnf -y update && dnf install -y git redhat-release systemd pkgconfig gcc coreutils
 
# This will install the proper golang to build Kata components
 
ADD https://storage.googleapis.com/golang/go1.9.2.linux-amd64.tar.gz /tmp
RUN tar -C /usr/ -xzf /tmp/go1.9.2.linux-amd64.tar.gz
ENV GOROOT=/usr/go
ENV PATH=$PATH:$GOROOT/bin:$GOPATH/bin
 
Dockerfile: /usr/share/man/man5/Dockerfile.5.gz
~/LINUX/go_repo/osbuilder
Sending build context to Docker daemon  4.096kB
Step 1/6 : From fedora:27
27: Pulling from library/fedora
2176639d844b: Pull complete
Digest: sha256:ec588fc80b05e19d3006bf2e8aa325f0a2e2ff1f609b7afb39176ca8e3e13467
Status: Downloaded newer image for fedora:27
---> 9110ae7f579f
Step 2/6 : RUN dnf -y update && dnf install -y git redhat-release systemd pkgconfig gcc coreutils
---> Running in d367d5572325
Error: Failed to synchronize cache for repo 'updates'
The command '/bin/sh -c dnf -y update && dnf install -y git redhat-release systemd pkgconfig gcc coreutils' returned a non-zero code: 1
 
Environment:
1. Host info:
lsb_release -a
LSB Version:  core-9.20160110ubuntu0.2-amd64:core-9.20160110ubuntu0.2-noarch:security-9.20160110ubuntu0.2-amd64:security-9.20160110ubuntu0.2-noarch
Distributor ID:     Ubuntu
Description:  Ubuntu 16.04.1 LTS
Release:      16.04
Codename:     xenial
 
2. Docker info:
sudo -E docker info 2>/dev/null | grep -i 'proxy\|runtime\|version'
Server Version: 18.03.1-ce
Runtimes: runc
Default Runtime: runc
containerd version: 773c489c9c1b21a6d78b5c538cd395416ec50f88
runc version: 4fc53a81fb7c994640722ac585fa9ca548971871
init version: 949e6fa
Kernel Version: 4.4.0-31-generic
HTTP Proxy: http://*********:913/
HTTPS Proxy: https://******:913/
No Proxy: localhost,127.0.0.0/8
 
sudo docker version
Client:
Version:      18.03.1-ce
API version:  1.37
Go version:   go1.9.5
Git commit:   9ee9f40
Built:        Thu Apr 26 07:17:20 2018
OS/Arch:      linux/amd64
Experimental: false
Orchestrator: swarm
 
Server:
Engine:
  Version:      18.03.1-ce
  API version:  1.37 (minimum version 1.12)
  Go version:   go1.9.5
  Git commit:   9ee9f40
  Built:        Thu Apr 26 07:15:30 2018
  OS/Arch:      linux/amd64
  Experimental: false
 
Regards,
Changcheng

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