[Scion] Unable to run SCION after update

Claude Hähni claude.haehni at gmail.com
Mon Sep 30 12:44:26 CEST 2019


Hi Siddharth,
Please try cloning the repository to go/src/
github.com/netsec-ethz/scion-apps.
Alternatively, you can run 'go get github.com/netsec-ethz/scion-apps'. This
will also clone to go/src/github.com/netsec-ethz/scion-apps automatically.

Best,
Claude


Am Mo., 30. Sept. 2019 um 12:37 Uhr schrieb Siddharth Mehrotra <
the4daspect at gmail.com>:

> 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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>>> >>> > > Scion at lists.inf.ethz.ch
>>> >>> > > https://lists.inf.ethz.ch/mailman/listinfo/scion
>>> >>> > >
>>> >>> > _______________________________________________
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>>> >>> > https://lists.inf.ethz.ch/mailman/listinfo/scion
>>> >>> >
>>> >>> _______________________________________________
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>>> >>> https://lists.inf.ethz.ch/mailman/listinfo/scion
>>> >>>
>>> >>
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>>


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