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⑦ Open Source Software
[Jupyter Package] Jupyter notebook 환경을 제공하는 Jupyterhub 활용 가이드
GodNR 2019. 11. 28. 15:09728x90
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본 포스팅에서는 Jupyter Package를 활용하여 별 다른 설정없이 개발환경을 제공하는 방법에 대해 살펴보도록 하겠습니다.
Jupyter Package는 다양한 사용자의 개발환경을 사전에 구성하여 누구나 손쉽게 개발환경을 구성하지 않고 URL에 접속하여 손쉽게 사용할 수 있도록 제공하는 환경입니다.
Jupyter Package를 구성하는 다양한 요소 중 본 포스팅에서는 Jupyter Notebook, JupyterLab 그리고 JupyterHub에 대해 살펴볼 예정이며, 설치 부터 사용법까지 간략하게 모두 다뤄볼 예정입니다.
JupyterHub 설치
1. git repository clone
[root@nrson ~]# git clone https://github.com/jupyterhub/the-littlest-jupyterhub.git
[root@nrson ~]# 위와 같이 jupyterhub Docker Image를 빌드하기 위한 github project를 clone받습니다.
2. docker build
[root@nrson ~] cd the-littlest-jupyterhub
[root@nrson the-littlest-jupyterhub]# docker build -t tljh-systemd . -f integration-tests/Dockerfile
Sending build context to Docker daemon 13.79MB
Step 1/11 : FROM ubuntu:18.04
18.04: Pulling from library/ubuntu
7ddbc47eeb70: Pull complete
c1bbdc448b72: Pull complete
8c3b70e39044: Pull complete
45d437916d57: Pull complete
Digest: sha256:6e9f67fa63b0323e9a1e587fd71c561ba48a034504fb804fd26fd8800039835d
Status: Downloaded newer image for ubuntu:18.04
---> 775349758637
Step 2/11 : RUN apt-get update --yes
---> Running in c992720b2f51
Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Get:2 http://archive.ubuntu.com/ubuntu bionic InRelease [242 kB]
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Get:4 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages [738 kB]
Get:5 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:6 http://archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Get:7 http://security.ubuntu.com/ubuntu bionic-security/restricted amd64 Packages [16.8 kB]
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Get:17 http://archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages [4235 B]
Get:18 http://archive.ubuntu.com/ubuntu bionic-backports/main amd64 Packages [2496 B]
Fetched 17.3 MB in 6s (2679 kB/s)
Reading package lists...
Removing intermediate container c992720b2f51
---> 001d240dc721
Step 3/11 : RUN apt-get install --yes systemd curl git sudo
---> Running in b144e9fada25
Reading package lists...
Building dependency tree...
Reading state information...
The following additional packages will be installed:
ca-certificates dbus dmsetup file gir1.2-glib-2.0 git-man krb5-locales less
libapparmor1 libargon2-0 libasn1-8-heimdal libbsd0 libcap2 libcryptsetup12
libcurl3-gnutls libcurl4 libdbus-1-3 libdevmapper1.02.1 libedit2
liberror-perl libexpat1 libgdbm-compat4 libgdbm5 libgirepository-1.0-1
libglib2.0-0 libglib2.0-data libgssapi-krb5-2 libgssapi3-heimdal
libhcrypto4-heimdal libheimbase1-heimdal libheimntlm0-heimdal
libhx509-5-heimdal libicu60 libidn11 libip4tc0 libjson-c3 libk5crypto3
libkeyutils1 libkmod2 libkrb5-26-heimdal libkrb5-3 libkrb5support0
libldap-2.4-2 libldap-common libmagic-mgc libmagic1 libmpdec2 libnghttp2-14
libnss-systemd libpam-systemd libperl5.26 libpsl5 libpython3-stdlib
libpython3.6-minimal libpython3.6-stdlib libreadline7 libroken18-heimdal
librtmp1 libsasl2-2 libsasl2-modules libsasl2-modules-db libsqlite3-0
libssl1.0.0 libssl1.1 libsystemd0 libwind0-heimdal libx11-6 libx11-data
libxau6 libxcb1 libxdmcp6 libxext6 libxml2 libxmuu1 mime-support
multiarch-support netbase networkd-dispatcher openssh-client openssl patch
perl perl-modules-5.26 publicsuffix python3 python3-dbus python3-gi
python3-minimal python3.6 python3.6-minimal readline-common shared-mime-info
systemd-sysv xauth xdg-user-dirs xz-utils
Suggested packages:
default-dbus-session-bus | dbus-session-bus gettext-base git-daemon-run
| git-daemon-sysvinit git-doc git-el git-email git-gui gitk gitweb git-cvs
git-mediawiki git-svn gdbm-l10n krb5-doc krb5-user
libsasl2-modules-gssapi-mit | libsasl2-modules-gssapi-heimdal
libsasl2-modules-ldap libsasl2-modules-otp libsasl2-modules-sql iw
| wireless-tools keychain libpam-ssh monkeysphere ssh-askpass ed
diffutils-doc perl-doc libterm-readline-gnu-perl
| libterm-readline-perl-perl make python3-doc python3-tk python3-venv
python-dbus-doc python3-dbus-dbg python3.6-venv python3.6-doc binutils
binfmt-support readline-doc systemd-container policykit-1
The following NEW packages will be installed:
ca-certificates curl dbus dmsetup file gir1.2-glib-2.0 git git-man
krb5-locales less libapparmor1 libargon2-0 libasn1-8-heimdal libbsd0 libcap2
libcryptsetup12 libcurl3-gnutls libcurl4 libdbus-1-3 libdevmapper1.02.1
libedit2 liberror-perl libexpat1 libgdbm-compat4 libgdbm5
libgirepository-1.0-1 libglib2.0-0 libglib2.0-data libgssapi-krb5-2
libgssapi3-heimdal libhcrypto4-heimdal libheimbase1-heimdal
libheimntlm0-heimdal libhx509-5-heimdal libicu60 libidn11 libip4tc0
libjson-c3 libk5crypto3 libkeyutils1 libkmod2 libkrb5-26-heimdal libkrb5-3
libkrb5support0 libldap-2.4-2 libldap-common libmagic-mgc libmagic1
libmpdec2 libnghttp2-14 libnss-systemd libpam-systemd libperl5.26 libpsl5
libpython3-stdlib libpython3.6-minimal libpython3.6-stdlib libreadline7
libroken18-heimdal librtmp1 libsasl2-2 libsasl2-modules libsasl2-modules-db
libsqlite3-0 libssl1.0.0 libssl1.1 libwind0-heimdal libx11-6 libx11-data
libxau6 libxcb1 libxdmcp6 libxext6 libxml2 libxmuu1 mime-support
multiarch-support netbase networkd-dispatcher openssh-client openssl patch
perl perl-modules-5.26 publicsuffix python3 python3-dbus python3-gi
python3-minimal python3.6 python3.6-minimal readline-common shared-mime-info
sudo systemd systemd-sysv xauth xdg-user-dirs xz-utils
The following packages will be upgraded:
libsystemd0
1 upgraded, 99 newly installed, 0 to remove and 1 not upgraded.
Need to get 39.5 MB of archives.
After this operation, 193 MB of additional disk space will be used.
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debconf: delaying package configuration, since apt-utils is not installed
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(Reading database ... 4046 files and directories currently installed.)
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debconf: (Can't locate Term/ReadLine.pm in @INC (you may need to install the Term::ReadLine module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.26.1 /usr/local/share/perl/5.26.1 /usr/lib/x86_64-linux-gnu/perl5/5.26 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.26 /usr/share/perl/5.26 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at /usr/share/perl5/Debconf/FrontEnd/Readline.pm line 7.)
debconf: falling back to frontend: Teletype
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debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
Setting up libnghttp2-14:amd64 (1.30.0-1ubuntu1) ...
Setting up mime-support (3.60ubuntu1) ...
Setting up sudo (1.8.21p2-3ubuntu1.1) ...
Setting up libldap-common (2.4.45+dfsg-1ubuntu1.4) ...
Setting up libreadline7:amd64 (7.0-3) ...
Setting up libpsl5:amd64 (0.19.1-5build1) ...
Setting up systemd-sysv (237-3ubuntu10.33) ...
Setting up libglib2.0-0:amd64 (2.56.4-0ubuntu0.18.04.4) ...
No schema files found: doing nothing.
Setting up libsasl2-modules-db:amd64 (2.1.27~101-g0780600+dfsg-3ubuntu2) ...
Setting up libsasl2-2:amd64 (2.1.27~101-g0780600+dfsg-3ubuntu2) ...
Setting up libroken18-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up librtmp1:amd64 (2.4+20151223.gitfa8646d.1-1) ...
Setting up perl-modules-5.26 (5.26.1-6ubuntu0.3) ...
Setting up libgdbm5:amd64 (1.14.1-6) ...
Setting up libbsd0:amd64 (0.8.7-1) ...
Setting up libkrb5support0:amd64 (1.16-2ubuntu0.1) ...
Setting up libgirepository-1.0-1:amd64 (1.56.1-1) ...
Setting up libxml2:amd64 (2.9.4+dfsg1-6.1ubuntu1.2) ...
Setting up libmagic-mgc (1:5.32-2ubuntu0.3) ...
Setting up libmagic1:amd64 (1:5.32-2ubuntu0.3) ...
Setting up gir1.2-glib-2.0:amd64 (1.56.1-1) ...
Setting up patch (2.7.6-2ubuntu1.1) ...
Setting up libglib2.0-data (2.56.4-0ubuntu0.18.04.4) ...
Setting up krb5-locales (1.16-2ubuntu0.1) ...
Setting up publicsuffix (20180223.1310-1) ...
Setting up xz-utils (5.2.2-1.3) ...
update-alternatives: using /usr/bin/xz to provide /usr/bin/lzma (lzma) in auto mode
update-alternatives: warning: skip creation of /usr/share/man/man1/lzma.1.gz because associated file /usr/share/man/man1/xz.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/unlzma.1.gz because associated file /usr/share/man/man1/unxz.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzcat.1.gz because associated file /usr/share/man/man1/xzcat.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzmore.1.gz because associated file /usr/share/man/man1/xzmore.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzless.1.gz because associated file /usr/share/man/man1/xzless.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzdiff.1.gz because associated file /usr/share/man/man1/xzdiff.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzcmp.1.gz because associated file /usr/share/man/man1/xzcmp.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzgrep.1.gz because associated file /usr/share/man/man1/xzgrep.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzegrep.1.gz because associated file /usr/share/man/man1/xzegrep.1.gz (of link group lzma) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/lzfgrep.1.gz because associated file /usr/share/man/man1/xzfgrep.1.gz (of link group lzma) doesn't exist
Setting up libheimbase1-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up openssl (1.1.1-1ubuntu2.1~18.04.5) ...
Setting up libsqlite3-0:amd64 (3.22.0-1ubuntu0.1) ...
Setting up dmsetup (2:1.02.145-4.1ubuntu3.18.04.1) ...
Setting up shared-mime-info (1.9-2) ...
Setting up libxdmcp6:amd64 (1:1.1.2-3) ...
Setting up libgdbm-compat4:amd64 (1.14.1-6) ...
Setting up libkeyutils1:amd64 (1.5.9-9.2ubuntu2) ...
Setting up libsasl2-modules:amd64 (2.1.27~101-g0780600+dfsg-3ubuntu2) ...
Setting up ca-certificates (20180409) ...
debconf: unable to initialize frontend: Dialog
debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
Updating certificates in /etc/ssl/certs...
133 added, 0 removed; done.
Setting up xdg-user-dirs (0.17-1ubuntu1) ...
Setting up libx11-data (2:1.6.4-3ubuntu0.2) ...
Setting up libxau6:amd64 (1:1.0.8-1) ...
Setting up libmpdec2:amd64 (2.4.2-1ubuntu1) ...
Setting up libdbus-1-3:amd64 (1.12.2-1ubuntu1.1) ...
Setting up netbase (5.4) ...
Setting up libpython3.6-stdlib:amd64 (3.6.9-1~18.04) ...
Setting up libk5crypto3:amd64 (1.16-2ubuntu0.1) ...
Setting up python3.6 (3.6.9-1~18.04) ...
Setting up libwind0-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up libasn1-8-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up libhcrypto4-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up file (1:5.32-2ubuntu0.3) ...
Setting up libhx509-5-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up libperl5.26:amd64 (5.26.1-6ubuntu0.3) ...
Setting up libkrb5-3:amd64 (1.16-2ubuntu0.1) ...
Setting up libkrb5-26-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up dbus (1.12.2-1ubuntu1.1) ...
Setting up libxcb1:amd64 (1.13-2~ubuntu18.04) ...
Setting up libheimntlm0-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up libpython3-stdlib:amd64 (3.6.7-1~18.04) ...
Setting up libpam-systemd:amd64 (237-3ubuntu10.33) ...
debconf: unable to initialize frontend: Dialog
debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
Setting up python3 (3.6.7-1~18.04) ...
running python rtupdate hooks for python3.6...
running python post-rtupdate hooks for python3.6...
Setting up libx11-6:amd64 (2:1.6.4-3ubuntu0.2) ...
Setting up python3-gi (3.26.1-2ubuntu1) ...
Setting up libxmuu1:amd64 (2:1.1.2-2) ...
Setting up libgssapi-krb5-2:amd64 (1.16-2ubuntu0.1) ...
Setting up perl (5.26.1-6ubuntu0.3) ...
Setting up libgssapi3-heimdal:amd64 (7.5.0+dfsg-1) ...
Setting up openssh-client (1:7.6p1-4ubuntu0.3) ...
Setting up python3-dbus (1.2.6-1) ...
Setting up libxext6:amd64 (2:1.3.3-1) ...
Setting up liberror-perl (0.17025-1) ...
Setting up xauth (1:1.0.10-1) ...
Setting up libldap-2.4-2:amd64 (2.4.45+dfsg-1ubuntu1.4) ...
Setting up networkd-dispatcher (1.7-0ubuntu3.3) ...
Created symlink /etc/systemd/system/multi-user.target.wants/networkd-dispatcher.service /lib/systemd/system/networkd-dispatcher.service.
Setting up libcurl3-gnutls:amd64 (7.58.0-2ubuntu3.8) ...
Setting up libcurl4:amd64 (7.58.0-2ubuntu3.8) ...
Setting up git (1:2.17.1-1ubuntu0.4) ...
Setting up curl (7.58.0-2ubuntu3.8) ...
Processing triggers for systemd (237-3ubuntu10.33) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Processing triggers for ca-certificates (20180409) ...
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
Removing intermediate container b144e9fada25
---> 673293eca434
Step 4/11 : RUN find /etc/systemd/system /lib/systemd/system -path '*.wants/*' -not -name '*journald*' -not -name '*systemd-tmpfiles*' -not -name '*systemd-user-sessions*' -exec rm \{} \;
---> Running in 86b13401f487
Removing intermediate container 86b13401f487
---> e642035b04a4
Step 5/11 : RUN mkdir -p /etc/sudoers.d
---> Running in 07d42c76844a
Removing intermediate container 07d42c76844a
---> ccdfd57f0650
Step 6/11 : RUN systemctl set-default multi-user.target
---> Running in 1ab64ba65d65
Created symlink /etc/systemd/system/default.target /lib/systemd/system/multi-user.target.
Removing intermediate container 1ab64ba65d65
---> 70d66103f6fd
Step 7/11 : STOPSIGNAL SIGRTMIN+3
---> Running in cb5a8b9c8bf3
Removing intermediate container cb5a8b9c8bf3
---> 5c4d7ccf7fac
Step 8/11 : ENV TLJH_BOOTSTRAP_DEV=yes
---> Running in bf9cfe77ffe0
Removing intermediate container bf9cfe77ffe0
---> 9bfcaebf06e2
Step 9/11 : ENV TLJH_BOOTSTRAP_PIP_SPEC=/srv/src
---> Running in 1b5215d06add
Removing intermediate container 1b5215d06add
---> 15c1655fb910
Step 10/11 : ENV PATH=/opt/tljh/hub/bin:${PATH}
---> Running in ed163854d74c
Removing intermediate container ed163854d74c
---> 478df64c5fad
Step 11/11 : CMD ["/bin/bash", "-c", "exec /sbin/init --log-target=journal 3>&1"]
---> Running in 8659a821a34f
Removing intermediate container 8659a821a34f
---> 30910e29167a
Successfully built 30910e29167a
Successfully tagged tljh-systemd:latest
[root@nrson the-littlest-jupyterhub]# the-littlest-jupyterhub 디렉토리로 이동 후 docker build를 수행합니다.
3. docker run
[root@nrson the-littlest-jupyterhub]# docker run --privileged --detach --name=tljh-dev --publish 12000:80 --mount type=bind,source=$(pwd),target=/srv/src tljh-systemd
519227c39170b2ea96dfda5cb227f6aeaa25a20b05ee3b50f8a3e08d6d98bf60
[root@nrson the-littlest-jupyterhub]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
tljh-systemd latest 30910e29167a About a minute ago 275MB
ubuntu 18.04 775349758637 3 weeks ago 64.2MB
192.168.56.107:13000/google-containers/kube-apiserver v1.16.0 b305571ca60a 2 months ago 217MB
192.168.56.107:13000/google-containers/kube-controller-manager v1.16.0 06a629a7e51c 2 months ago 163MB
192.168.56.107:13000/google-containers/kube-proxy v1.16.0 c21b0c7400f9 2 months ago 86.1MB
192.168.56.107:13000/google-containers/kube-scheduler v1.16.0 301ddc62b80b 2 months ago 87.3MB
192.168.56.107:13000/google-containers/k8s-dns-node-cache 1.15.5 b477eb2ed326 3 months ago 62.5MB
192.168.56.107:13000/coredns/coredns 1.6.0 680bc53e5985 4 months ago 42.2MB
192.168.56.107:13000/calico/node v3.7.3 bf4ff15c9db0 5 months ago 156MB
192.168.56.107:13000/calico/cni v3.7.3 1a6ade52d471 5 months ago 135MB
192.168.56.107:13000/calico/kube-controllers v3.7.3 283860d96794 5 months ago 46.8MB
192.168.56.107:13000/library/nginx 1.15 53f3fd8007f7 6 months ago 109MB
192.168.56.107:13000/google-containers/cluster-proportional-autoscaler-amd64 1.6.0 dfe4432cd2e2 7 months ago 47.7MB
192.168.56.107:13000/external_storage/local-volume-provisioner v2.3.2 c3e26d3f1640 7 months ago 111MB
192.168.56.107:13000/google_containers/kubernetes-dashboard-amd64 v1.10.1 f9aed6605b81 11 months ago 122MB
192.168.56.107:13000/rancher/local-path-provisioner v0.0.2 b621dadd3581 13 months ago 327MB
192.168.56.107:13000/coreos/etcd v3.3.10 643c21638c1c 13 months ago 39.5MB
192.168.56.107:13000/google-containers/pause 3.1 da86e6ba6ca1 23 months ago 742kB
192.168.56.107:13000/google_containers/pause-amd64 3.1 da86e6ba6ca1 23 months ago 742kB
l2cconseils/jupyterhubtoree latest 7478d719023e 2 years ago 3GB
[root@nrson the-littlest-jupyterhub]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
519227c39170 tljh-systemd "/bin/bash -c 'exec " 8 seconds ago Up 7 seconds 0.0.0.0:12000->80/tcp tljh-dev
f13c0470ffe1 06a629a7e51c "kube-controller-man" 26 hours ago Up 26 hours k8s_kube-controller-manager_kube-controller-manager-nrson_kube-system_1b2a20a915f658fe2ef097b44c272d1b_11
8f876dfd3432 301ddc62b80b "kube-scheduler --au" 26 hours ago Up 26 hours k8s_kube-scheduler_kube-scheduler-nrson_kube-system_d71c021211dcb97e6ec5355bb05b45eb_6
860ccfba7c3a 301ddc62b80b "kube-scheduler --au" 39 hours ago Exited (255) 26 hours ago k8s_kube-scheduler_kube-scheduler-nrson_kube-system_d71c021211dcb97e6ec5355bb05b45eb_5
7f74ecbe7f1c 06a629a7e51c "kube-controller-man" 39 hours ago Exited (255) 26 hours ago k8s_kube-controller-manager_kube-controller-manager-nrson_kube-system_1b2a20a915f658fe2ef097b44c272d1b_10
cbcc18302a9a b477eb2ed326 "/node-cache -locali" 2 days ago Up 2 days k8s_node-cache_nodelocaldns-g9768_kube-system_7cad601f-8a64-4aff-adec-fdee51b5135d_0
c04c091cdf49 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_nodelocaldns-g9768_kube-system_7cad601f-8a64-4aff-adec-fdee51b5135d_0
aaba45b26215 dfe4432cd2e2 "/cluster-proportion" 2 days ago Up 2 days k8s_autoscaler_dns-autoscaler-79c996c7d-rh5bj_kube-system_4a029d31-7c61-412d-91c8-362321ef1fd2_0
daf208f466d6 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_dns-autoscaler-79c996c7d-rh5bj_kube-system_4a029d31-7c61-412d-91c8-362321ef1fd2_0
e402603123b4 680bc53e5985 "/coredns -conf /etc" 2 days ago Up 2 days k8s_coredns_coredns-8b77d49c9-vscd7_kube-system_5d189792-b20c-4ea9-9cb1-fdd6e4a4d1c3_0
18e10cc646c7 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_coredns-8b77d49c9-vscd7_kube-system_5d189792-b20c-4ea9-9cb1-fdd6e4a4d1c3_0
700baf0a0897 283860d96794 "/usr/bin/kube-contr" 2 days ago Up 2 days k8s_calico-kube-controllers_calico-kube-controllers-6b9bb86985-7jdts_kube-system_db10c9e7-632c-4a30-b0ad-1e2b6c1a9c73_0
d2f590e76769 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_calico-kube-controllers-6b9bb86985-7jdts_kube-system_db10c9e7-632c-4a30-b0ad-1e2b6c1a9c73_0
22725749f3d1 bf4ff15c9db0 "start_runit" 2 days ago Up 2 days k8s_calico-node_calico-node-jrlvl_kube-system_fe6832a2-c21a-4c37-87d3-7375a74b09af_1
b4581d8fdccc 1a6ade52d471 "/install-cni.sh" 2 days ago Exited (0) 2 days ago k8s_install-cni_calico-node-jrlvl_kube-system_fe6832a2-c21a-4c37-87d3-7375a74b09af_1
c58cef67237b 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_calico-node-jrlvl_kube-system_fe6832a2-c21a-4c37-87d3-7375a74b09af_0
861d177e798b bf4ff15c9db0 "start_runit" 2 days ago Exited (0) 2 days ago k8s_calico-node_calico-node-jrlvl_kube-system_fe6832a2-c21a-4c37-87d3-7375a74b09af_0
56c3c464c48f c21b0c7400f9 "/usr/local/bin/kube" 2 days ago Up 2 days k8s_kube-proxy_kube-proxy-nfvcc_kube-system_81a4bdd9-2e7e-4a80-9b4b-87814f4efcd8_0
070ba8ae3caa 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_kube-proxy-nfvcc_kube-system_81a4bdd9-2e7e-4a80-9b4b-87814f4efcd8_0
b40201473b38 b305571ca60a "kube-apiserver --ad" 2 days ago Up 2 days k8s_kube-apiserver_kube-apiserver-nrson_kube-system_fb56b0e78edb83c64e532b6e9ca57931_0
f6065140bb4b 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_kube-scheduler-nrson_kube-system_d71c021211dcb97e6ec5355bb05b45eb_0
aa8f980d7e12 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_kube-controller-manager-nrson_kube-system_1b2a20a915f658fe2ef097b44c272d1b_0
0a42a8f080a8 192.168.56.107:13000/google_containers/pause-amd64:3.1 "/pause" 2 days ago Up 2 days k8s_POD_kube-apiserver-nrson_kube-system_fb56b0e78edb83c64e532b6e9ca57931_0
1bb9e2c88153 192.168.56.107:13000/coreos/etcd:v3.3.10 "/usr/local/bin/etcd" 2 days ago Up 2 days etcd1
[root@nrson the-littlest-jupyterhub]# docker run으로 build한 도커 파일을 기동합니다.
이때 포함되는 옵션은 다음과 같습니다.
--privileged : host compute의 kernel 환경을 사용할 수 있으며, Docker Container 내부에서 systemctl 또는 도커 컨테이너를 기동할 수 있도록 하는 옵션
--detach : 컨테이너를 백그라운드로 기동하기 위한 옵션으로 일명 데몬모드라고 함
--name : 컨테이너의 유니크한 이름을 지정함
--publish : 컨테이너 내부와 통신하기 위한 publish port를 지정하며 --publish [compute_node_list_port:container_port] 형식으로 작성 함
--mount : compute node의 파티션을 컨테이너 내부에서 공유하기 위한 옵션
특히 privileged 옵션은 호스트 OS에 접근할 수 있도록 권한을 부여합니다. 이 옵션과 VOLUME, MOUNT 등의 옵션을 조합하여 파티션을 공유할 수 있습니다. 호스트 OS의 볼륨에 접근 시 Permission denied가 발생할 경우 privileged 옵션을 적용하여 해결할 수 있지만, 도커에서는Default unprivileged를 보안상의 이유로 적용합니다.
위와 같은 옵션을 적용하여 도커 파일을 구성한 이후 컨테이너 내부로 접속하여 Jupyterhub를 기동합니다.
4. Jupyterhub Run
[root@nrson the-littlest-jupyterhub]# docker exec -it tljh-dev /bin/bash
root@7e8f2dcd6681:/# python3 /srv/src/bootstrap/bootstrap.py --admin admin
Checking if TLJH is already installed...
Setting up hub environment
Installed python & virtual environment
Set up hub virtual environment
Setting up TLJH installer...
Setup tljh package
Starting TLJH installer...
Setting up admin users
Granting passwordless sudo to JupyterHub admins...
Setting up user environment...
Downloading & setting up user environment...
Setting up JupyterHub...
Downloading traefik 1.7.18...
Created symlink /etc/systemd/system/multi-user.target.wants/jupyterhub.service /etc/systemd/system/jupyterhub.service.
Created symlink /etc/systemd/system/multi-user.target.wants/traefik.service /etc/systemd/system/traefik.service.
Waiting for JupyterHub to come up (1/20 tries)
Waiting for JupyterHub to come up (2/20 tries)
Done!
root@7e8f2dcd6681:~# docker exec -it [container_name] /bin/bash 명령어로 컨테이너 내부에 접속하여 JupyterHub를 기동하기 위한 bootstrap.py를 실행합니다.
이때 JupyterHub는 /opt/tljh/hub 경로에 있으며, 해당 도커파일은 PATH에 이미 해당 경로를 등록해 두었습니다.
5. Jupyterhub Connect
위와 같이 정상적으로 Done!이 출력되면 이제 JupyterHub에 접속할 준비가 완료된 것입니다.
이제 JupyterHub에 접속하여 사용자를 생성하고 Notebook or Lab 환경을 제공해 보도록 하겠습니다.
접속 URL은 앞서 Docker를 기동할 때 publish한 12000포트로 접속하게 됩니다.
http://[compute_node_ip]:[publish_port]
최초 로그인 후 위와 같은 로그인 화면을 보게 됩니다.
이때 주의해야 할 점은 admin 사용자를 admin 권한으로 추가하였으므로 UserName을 admin으로 입력하였으나, Password를 별도로 설정하지 않았다는 점입니다.
바로 최초 로그인 시점에 입력한 Password가 해당 계정의 비밀번호가 되니 admin의 경우 반드시 기억해야 합니다.
일반 사용자의 경우 admin User가 비밀번호를 재 기입할 수 있도록 조치해 줄 수 있으나, admin 비밀번호를 분실했을 경우 복구하기 위해서는 굉장히 복잡한 과정을 거쳐야 합니다.
로그인이 정상적으로 이루어지면 위와 같은 메인화면을 볼 수 있습니다.
admin 사용자도 하나의 Jupyter Notebook or JupyterLab 환경을 제공받으며, 특히 Control Panel을 통해 사용자를 추가하고 관리할 수 있는 메뉴를 제공받습니다.
메인 화면의 오른쪽 상단의 Control Panel을 클릭하면 위와 같은 화면으로 이동하게 됩니다.
이 화면에서는 Home, Token, Admin 메뉴가 제공되며, Admin 메뉴를 클릭합니다.
Admin 화면에 들어가면 위와 같은 사용자 관리 화면이 나타납니다.
현재 시점에는 admin User 한명만 추가되어 있으며, 일반 사용자를 추가해 보도록 하겠습니다.
Add Users 버튼을 클릭하면 위와 같은 팝업창이 출력됩니다.
추가하고자 하는 사용자 이름을 줄을 바꿔 여러줄 기입하고 Add Users 버튼을 클릭하면 사용자 추가가 완료됩니다.
정상적으로 사용자가 생성되면 위와 같이 nrson & test User가 생성되어 있을 것입니다.
start server 버튼을 직접 눌러 사전에 notebook 기동할 수도 있지만, 사용자가 로그인을 시도하면 자동으로 notebook은 기동되게 됩니다.
또한 delete user를 통해 사용자를 제거할 수 있습니다.
다만, 이때 사용자는 영구적으로 제거되는 것이 아닌 임시 접근 제한을 두는 것으로 사용자를 삭제하고, 재 생성할 경우 일반 사용자는 패스워드를 재생성할 수 있습니다.
(일반 사용자가 패스워드를 잃어 버렸을 경우 해당 화면에서 delete user를 실행하고 add users로 해당 계정을 재생성하면 사용자는 다시 최초 입력한 패스워드가 본인의 패스워드가 됩니다. 또한 사용자 별 디렉토리는 제거되지 않고 유지됩니다.)
자 이제 로그아웃을 실행하고 nrson 사용자로 로그인해 보도록 하겠습니다.
앞서 언급했지만, 최초 로그인 시 Password가 본인의 비밀번호로 저장됩니다.
사용자 로그인 화면 역시 위와 같이 화면이 제공되며, admin user와 다르게 Control Panel에 Admin 기능은 제공되지 않습니다.
자 이제 Python3 환경으로 개발환경을 사용해 보도록 하겠습니다.
위와 같이 New 버튼을 클릭하고 Python3를 선택합니다.
화면이 위와 같이 이동되며, Python3를 이용하여 seconds_in_a_day를 계산해 보도록 합니다.
상단의 여러 실행 Command가 제공되며, 이는 별도로 설명하지 않겠습니다.
(직접 이것 저것 눌러보세요~)
현재 제공되는 화면은 Jupyter Notebook 환경의 화면으로 JupyterLab으로 변경하여 사용하고자 할 경우 상단의 URL을 다음과 같이 변경하여 사용할 수 있습니다.
Jupyter Notebook URL : http://[compute_node_ip]:[publish_port]/user/[user_name]/tree
JupyterLab URL : http://[compute_node_ip]:[publish_port]/user/[user_name]/lab
위와 같이 tree를 lab으로 변경하면 Jupyterlab 환경으로 전환하여 개발환경을 제공받을 수 있습니다.
Jupyterlab의 경우 Jupyte Notebook의 차세대 버전으로 보다 유연한 개발과 이전 환경을 공유할 수 있다는 장점이 있습니다.
지금까지 Jupyterhub를 활용한 다중사용자용 개발환경을 공유할 수 있는 환경을 구성해 보았고 간단히 사용방법에 대해 알아보았습니다.
Python3를 예로 들었으나, Host Kernel 환경에서 구성 가능한 다양한 언어를 설치하여 개발환경을 제공할 수 있으며, 이를 활용하여, 프로젝트 개발환경, 교육환경 또는 웹 상에서 간단히 테스트 할 수 있는 환경을 구축하고 유용하게 사용할 수 있을 듯 합니다.
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