[Scion] Unable to run SCION after update

Siddharth Mehrotra the4daspect at gmail.com
Mon Sep 30 12:37:37 CEST 2019


Hi Juan & Claude,

I think Claude is right, I am facing some issue with Go Path.

So, currently I have cloned scion-apps under go/src/scion-apps. The
./deps.sh worked perfectly fine. The issue is with make. It can not find
package in $GOPATH.
At github webpage, it is mentioned that run make install to build all
projects and install into $GOPATH/bin

My GOPATH settings are:
export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin

Does it mean that I need to clone the scion-apps in go/bin ? Sorry, I am
new to Go Programming.

Best,
Siddharth

On Fri, Sep 27, 2019 at 2:33 PM Claude Hähni <claude.haehni at gmail.com>
wrote:

>   Hi Siddharth,
> When cloning, please make sure to clone the repository to the correct
> location. In your  case this is:
> /home/vagrant/go/src/github.com/netsec-ethz/scion-apps
>
> Best regards,
> Claude
>
> Juan A. García-Pardo <juagargi at gmail.com> schrieb am Fr., 27. Sep. 2019,
> 14:21:
>
>> Hi Siddharth,
>> We didn't touch scion-apps/lib/scionutil and it still exists. If you are
>> building scion-apps in a SCIONLab VM, these are the steps you would need:
>> - install go 1.11
>> - `go get github.com/kardianos/govendor`
>> <http://github.com/kardianos/govendor>
>> - `sudo apt-get install libpam0g-dev`  (needed by SCION ssh)
>> - clone scion-apps
>> - `govendor sync -v`  (this needs some 5 minutes to complete). You can run
>> ./deps.sh instead, it is going to do the same.
>> - `make`
>>
>> I just ran these steps myself inside a SCIONLab VM and it worked okay.
>> Best regards,
>>
>> Juan A.
>>
>>
>> On Fri, Sep 27, 2019 at 12:21 PM Siddharth Mehrotra <
>> the4daspect at gmail.com>
>> wrote:
>>
>> > Hi Juan,
>> >
>> > Thanks for the help. SCION works now!
>> >
>> > Regarding webapp, I tried to compile all scion-apps by ./deps.sh by
>> > installing go => This is done.
>> >
>> > However, make install command runs into error:
>> > cd helloworld/ && go build
>> > helloworld.go:23:2: cannot find package "
>> > github.com/netsec-ethz/scion-apps/lib/scionutil" in any of:
>> >         /home/vagrant/go/src/scion-apps/vendor/
>> > github.com/netsec-ethz/scion-apps/lib/scionutil (vendor tree)
>> >         /usr/local/go/src/
>> github.com/netsec-ethz/scion-apps/lib/scionutil
>> > (from $GOROOT)
>> >         /home/vagrant/go/src/
>> > github.com/netsec-ethz/scion-apps/lib/scionutil (from $GOPATH)
>> > Makefile:29: recipe for target 'helloworld/helloworld' failed
>> > make: *** [helloworld/helloworld] Error 1
>> >
>> > This is becaus   github.com/netsec-ethz/scion-apps/lib/scionutil does
>> not
>> > exist anymore. I am not sure if this is still required. *Can a quick
>> > update be performed in github code regarding same ?*
>> >
>> > Best Regards,
>> > Siddharth
>> >
>> > On Fri, Sep 27, 2019 at 11:34 AM Juan A. García-Pardo <
>> juagargi at gmail.com>
>> > wrote:
>> >
>> >> Hi Siddharth,
>> >> The scion apps should be available in packaged form next week. In the
>> >> meantime, you can build them with a Go compiler >= 1.11 by cloning the
>> >> scion-apps repo, running `./depsh.sh` and then `make`
>> >> I am testing your 17-ffaa:1:cd2 user AS and it works fine. This are my
>> >> steps:
>> >> - Get the configuration from the Coordinator, uncompress it in a
>> >> directory. Chdir to it
>> >> - Run `vagrant up`. No errors are shown. Only a few red lines but with
>> no
>> >> real problems. Last line reads "SCIONLab VM ready"
>> >> - Run `vagrant ssh` to log into the VM.
>> >> - Run `ifconfig`. It shows the tun0 interface, with IP "10.0.0.44"
>> >> - Ping the server using tun0 `ping -I tun0 10.0.8.1`. The server echoes
>> >> back.
>> >> - List SCION services with `systemctl list-dependencies
>> scionlab.target`
>> >> . All services are okay (they are shown duplicated, but it's a know
>> systemd
>> >> bug, no problems there).
>> >> - Ping a core AS using SCION `scmp echo -local
>> 17-ffaa:1:cd2,[127.0.0.1]
>> >> -remote 17-ffaa:0:1101,[127.0.0.1]` . It works okay (for me with times
>> >> ~6ms; that could change for you).
>> >>
>> >> Let's focus on this user AS of yours and find out what is not working.
>> I
>> >> will run this same configuration again this evening from a completely
>> >> different network, just to check our firewall has not gone crazy
>> again. I
>> >> will send an email before I check again, but in the mean time, you
>> could
>> >> send us your Vagrant version and platform (e.g. vagrant for windows),
>> and
>> >> the complete /var/log/syslog file of your VM after `vagrant up` and
>> >> `vagrant ssh`. The problem you seem to have is between the VPN client
>> and
>> >> server (that is the reason that SCION will not work). You can send the
>> >> files to the mailing list or directly to me.
>> >> Best regards,
>> >>
>> >> Juan A.
>> >>
>> >>
>> >> On Fri, Sep 27, 2019 at 10:58 AM Siddharth Mehrotra <
>> >> the4daspect at gmail.com> wrote:
>> >>
>> >>> Hi Juan,
>> >>>
>> >>> The problem still persists. I tried with another AS id's as well
>> >>> 18-ffaa:1:cd3 & 17-ffaa:1:cd2, however result is same (the border
>> router
>> >>> service does not start & no tun0 found).
>> >>>
>> >>> Also, do you have any update on SCION-Apps? If not all, can webapp be
>> >>> restored as per SCION update ?
>> >>>
>> >>> Best regards,
>> >>> Siddharth
>> >>>
>> >>> On Thu, Sep 26, 2019 at 12:35 PM Juan A. García-Pardo <
>> >>> juagargi at gmail.com>
>> >>> wrote:
>> >>>
>> >>> > Hi Siddharth,
>> >>> > I have answered you also to your email directly, but I'm copying the
>> >>> answer
>> >>> > here so it gets indexed.
>> >>> > There were two problems:
>> >>> > - We had experienced some problems with our firewall and the VPN in
>> the
>> >>> > attachment point Switzerland. Sometimes it would drop packets.
>> >>> > - Your user AS ffaa:1:c32 is marked as deactivated. You have to go
>> to
>> >>> your
>> >>> > AS list in the Coordinator (https://www.scionlab.org/user/) and
>> click
>> >>> on
>> >>> > "Activate this AS". Wait 1-2 minutes and run `vagrant up` for that
>> >>> user AS.
>> >>> > Now your ASes should be able to start the VPN tunnel without
>> problems
>> >>> (type
>> >>> > ifconfig in the VM and you should see an interface called tun0), and
>> >>> the
>> >>> > active ones will have a working border router.
>> >>> > Best regards,
>> >>> >
>> >>> > Juan A.
>> >>> >
>> >>> >
>> >>> > On Thu, Sep 19, 2019 at 2:28 PM Siddharth Mehrotra <
>> >>> the4daspect at gmail.com>
>> >>> > wrote:
>> >>> >
>> >>> > > Hi Juan,
>> >>> > >
>> >>> > > Thanks for the update, it is really helpful.
>> >>> > >
>> >>> > > 1) After checking status of my connection to SCION, I see
>> >>> > > ● ├─scion-border-router at 17-ffaa_1_c32-1.service
>> >>> > > ● ├─scion-border-router at 17-ffaa_1_c32-1.service
>> >>> > >
>> >>> > > as marked RED in color. I could not understand why this happened
>> on
>> >>> first
>> >>> > > place, just after running vagrant ssh and  systemctl
>> >>> list-dependencies
>> >>> > > scionlab.target
>> >>> > >
>> >>> > > This appears even after restarting SCION services.
>> >>> > >
>> >>> > > 2) Still I can't find tun0 while running command ip a. The only
>> >>> tunnel
>> >>> > > interfaces appearing are: lo & enp0s3.
>> >>> > >
>> >>> > > 3) Is Scion web-app available?
>> >>> > > I get this error: -bash: cd: /src/github.com/netsec-ethz: No such
>> >>> file
>> >>> > or
>> >>> > > directory while navigating to web-apps.
>> >>> > >
>> >>> > > PS: Running SCION in a virtual machine – VPN approach
>> >>> > >
>> >>> > > Thanks,
>> >>> > > Siddharth
>> >>> > >
>> >>> > > On Thu, Sep 19, 2019 at 1:01 PM Juan A. García-Pardo <
>> >>> juagargi at gmail.com
>> >>> > >
>> >>> > > wrote:
>> >>> > >
>> >>> > > > Hi Siddharth,
>> >>> > > > We have not yet upgraded the tutorials for everything, only the
>> >>> > "updating
>> >>> > > > SCION" one:
>> >>> > > >
>> >>> > >
>> >>> >
>> >>>
>> https://netsec-ethz.github.io/scion-tutorials/scion_tricks/updating_scion/
>> >>> > > > That said, almost all that you are seeing is normal: the
>> >>> configuration
>> >>> > > TGZ
>> >>> > > > you get from the Coordinator is very small, because your VM will
>> >>> get
>> >>> > the
>> >>> > > > full configuration from the Coordinator for you. Once you have
>> run
>> >>> > > `vagrant
>> >>> > > > up`, you will see the directory /etc/scion contains a `gen`
>> >>> directory
>> >>> > > > inside. That one will have the full configuration.
>> >>> > > > Also, the services and tools are now packaged. There is no $SC
>> >>> > directory
>> >>> > > > anymore. Things you can run to check:
>> >>> > > > - dpkg -l |grep scion  # will list scion packages, hopefully
>> >>> installed
>> >>> > in
>> >>> > > > your system
>> >>> > > > - systemctl list-dependencies scionlab.target  # list status. In
>> >>> Ubuntu
>> >>> > > > 16.04 there is a systemd bug and the services will be listed
>> twice
>> >>> > > > - sudo systemctl restart scionlab.target  # restart all SCION
>> >>> services
>> >>> > > > - ls -l /var/log/scion  # list scion log files
>> >>> > > > - ls -l /var/lib/scion  # list trust databases, etc
>> >>> > > > - ls -l /etc/scion  # list scion configuration. The gen folder
>> has
>> >>> the
>> >>> > > > same morphology as before, but the supervisord files are not
>> used
>> >>> > > >
>> >>> > > > On the other hand, if you want to not use the packages and go
>> back
>> >>> to
>> >>> > the
>> >>> > > > developer way of doing things, you can briefly read about that
>> >>> also in
>> >>> > > the
>> >>> > > > how to update SCION page from SCION tutorials, but basically
>> >>> refers to
>> >>> > > > stopping systemd for scionlab.target and cloning/building SCION
>> >>> > yourself.
>> >>> > > >
>> >>> > > > The problem with the VPN is not clear at all though. I would
>> like
>> >>> to
>> >>> > > > investigate a bit more about that. Can you try again? If you
>> still
>> >>> see
>> >>> > > the
>> >>> > > > problem the second time you try, we'll investigate further.
>> >>> > > > Thanks and best regards,
>> >>> > > >
>> >>> > > > Juan A.
>> >>> > > >
>> >>> > > >
>> >>> > > > On Wed, Sep 18, 2019 at 10:52 AM Siddharth Mehrotra <
>> >>> > > the4daspect at gmail.com>
>> >>> > > > wrote:
>> >>> > > >
>> >>> > > >> Hi all,
>> >>> > > >>
>> >>> > > >> I tried to run SCION after update from attachment point with
>> >>> ETHZ-AP
>> >>> > as
>> >>> > > >> downloading new configuration. I'm currently installing inside
>> a
>> >>> VM
>> >>> > with
>> >>> > > >> use of OPENVPN to connect to SCION Lab.
>> >>> > > >>
>> >>> > > >> I observed following scenarios:
>> >>> > > >>
>> >>> > > >> 1) After extracting configuration file from SCION coordination
>> >>> > service,
>> >>> > > >> the
>> >>> > > >> contents are reduced to:
>> >>> > > >> Mode                LastWriteTime         Length Name
>> >>> > > >> ----                -------------         ------ ----
>> >>> > > >> d-----       18-09-2019     10:25                .vagrant
>> >>> > > >> d-----       18-09-2019     10:23                gen
>> >>> > > >> -a----       13-06-2019     09:25           3618 README.md
>> >>> > > >> -a----       13-06-2019     09:25           3068 run.sh
>> >>> > > >> -a----       18-09-2019     10:22           3813
>> >>> > > >> scion_lab_17-ffaa_1_c32.tar.gz
>> >>> > > >> -a----       18-09-2019     10:34              0
>> >>> > > >> ubuntu-xenial-16.04-cloudimg-console.log
>> >>> > > >> -a----       18-09-2019     10:24           2484 Vagrantfile
>> >>> > > >>
>> >>> > > >> Many SCION services are missing.
>> >>> > > >>
>> >>> > > >> 2) Although I was able to run the VM successfully and SSH to
>> >>> SCION.
>> >>> > > >> However, it seems the connection to SCION was not successful.
>> The
>> >>> > below
>> >>> > > >> command is after running Vagrant up:
>> >>> > > >>
>> >>> > > >> default: WARNING:WARNING!: VPN could be unready. SCION may
>> fail to
>> >>> > > start.
>> >>> > > >>     default: Created symlink from
>> >>> > > >>
>> >>> > > >>
>> >>> > >
>> >>> >
>> >>>
>> /etc/systemd/system/scionlab.target.wants/scion-border-router at 17-ffaa_1_c32-1.service
>> >>> > > >> to /lib/systemd/system/scion-border-router at .service.
>> >>> > > >>     default: Created symlink from
>> >>> > > >>
>> >>> > > >>
>> >>> > >
>> >>> >
>> >>>
>> /etc/systemd/system/scionlab.target.wants/scion-certificate-server at 17-ffaa_1_c32-1.service
>> >>> > > >> to /lib/systemd/system/scion-certificate-server at .service.
>> >>> > > >>     default: Created symlink from
>> >>> > > >>
>> >>> > > >>
>> >>> > >
>> >>> >
>> >>>
>> /etc/systemd/system/scionlab.target.wants/scion-path-server at 17-ffaa_1_c32-1.service
>> >>> > > >> to /lib/systemd/system/scion-path-server at .service.
>> >>> > > >>     default: Created symlink from
>> >>> > > >>
>> >>> > > >>
>> >>> > >
>> >>> >
>> >>>
>> /etc/systemd/system/scionlab.target.wants/scion-beacon-server at 17-ffaa_1_c32-1.service
>> >>> > > >> to /lib/systemd/system/scion-beacon-server at .service.
>> >>> > > >>     default: Created symlink from
>> >>> > > >>
>> >>> > > >>
>> >>> > >
>> >>> >
>> >>>
>> /etc/systemd/system/scionlab.target.wants/scion-daemon at 17-ffaa_1_c32.service
>> >>> > > >> to /lib/systemd/system/scion-daemon at .service.
>> >>> > > >>     default: Created symlink from
>> >>> > > >>
>> >>> /etc/systemd/system/scionlab.target.wants/scion-dispatcher.service to
>> >>> > > >> /lib/systemd/system/scion-dispatcher.service.
>> >>> > > >>     default: configure time sync
>> >>> > > >>     default: ntp.service is not a native service, redirecting
>> to
>> >>> > > >> systemd-sysv-install
>> >>> > > >>     default: Executing /lib/systemd/systemd-sysv-install enable
>> >>> ntp
>> >>> > > >>     default: configure unattended upgrades (automatic security
>> >>> > upgrades)
>> >>> > > >>     default: SCIONLab VM ready
>> >>> > > >>
>> >>> > > >> 3) When I am inside the VM and I tried to check the connection
>> I
>> >>> was
>> >>> > > >> surprised to see this:
>> >>> > > >>
>> >>> > > >> vagrant at scionlab-ffaa-1-c32:~$ checkbeacons
>> >>> > > >> checkbeacons: command not found
>> >>> > > >>
>> >>> > > >> Also fo this:
>> >>> > > >> vagrant at scionlab-ffaa-1-c32:~$ tail -f $SC/logs/bs*.DEBUG
>> >>> > > >> tail: cannot open '/logs/bs*.DEBUG' for reading: No such file
>> or
>> >>> > > directory
>> >>> > > >> tail: no files remaining
>> >>> > > >>
>> >>> > > >> 4)Memory Test:
>> >>> > > >> vagrant at scionlab-ffaa-1-c32:~$ df -h
>> >>> > > >> Filesystem      Size  Used Avail Use% Mounted on
>> >>> > > >> udev            992M     0  992M   0% /dev
>> >>> > > >> tmpfs           200M  3.1M  197M   2% /run
>> >>> > > >> /dev/sda1       9.7G  1.4G  8.3G  14% /
>> >>> > > >> tmpfs          1000M     0 1000M   0% /dev/shm
>> >>> > > >> tmpfs           5.0M     0  5.0M   0% /run/lock
>> >>> > > >> tmpfs          1000M     0 1000M   0% /sys/fs/cgroup
>> >>> > > >> vagrant         136G   73G   64G  54% /vagrant
>> >>> > > >> tmpfs           200M     0  200M   0% /run/user/1000
>> >>> > > >>
>> >>> > > >> 5) tun0 not found after performing ip a command.
>> >>> > > >>
>> >>> > > >> PS: I am using Oracle Virtual Box 6.0 , Is it the compatibility
>> >>> issue
>> >>> > ?
>> >>> > > >> PS: I was able to run SCION successfully before the update with
>> >>> same
>> >>> > > >> Virtual Box version and vagrant also.
>> >>> > > >>
>> >>> > > >> Please look into this issue.
>> >>> > > >>
>> >>> > > >> Thanks,
>> >>> > > >> Sid
>> >>> > > >> _______________________________________________
>> >>> > > >> Scion mailing list
>> >>> > > >> Scion at lists.inf.ethz.ch
>> >>> > > >> https://lists.inf.ethz.ch/mailman/listinfo/scion
>> >>> > > >>
>> >>> > > >
>> >>> > > _______________________________________________
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