Docker Debian autoinstall fails

Debian (and Ubuntu and others) use apt, aptitude, apt-get, and dpkg. apt currently requires the Release keys to match in a complex way. Mondo, Docker, and many other projects have problems making a repo actually work. The telltale failure is similar to this:

W: The repository 'https://apt.dockerproject.org/repo debian-stretch Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch https://apt.dockerproject.org/repo/dists/debian-stretch/testing/binary-i386/Packages
E: Some index files failed to download. They have been ignored, or old ones used instead.
[root@ns1:/etc/apt/sources.list.d]

 

You can manually work around this by changing your sources.list to use HTTP instead of HTTPS, but scripts such Ubiquiti’s Universal Network Management Server installer will replace that:

curl -fsSL https://raw.githubusercontent.com/Ubiquiti-App/UNMS/master/install.sh > /tmp/unms_install.sh && sudo bash /tmp/unms_install.sh
branch=master
version=0.10.3
Downloading installation package for version 0.10.3.
Setting VERSION=0.10.3
Download and install Docker
# Executing docker install script, commit: 490beaa
+ sh -c 'apt-get update -qq >/dev/null'
+ sh -c 'apt-get install -y -qq apt-transport-https ca-certificates curl software-properties-common >/dev/null'
+ sh -c 'curl -fsSL "https://download.docker.com/linux/debian/gpg" | apt-key add -qq - >/dev/null'
Warning: apt-key output should not be parsed (stdout is not a terminal)
+ sh -c 'echo "deb [arch=amd64] https://download.docker.com/linux/debian stretch edge" > /etc/apt/sources.list.d/docker.list'
+ '[' debian = debian ']'
+ '[' stretch = wheezy ']'
+ sh -c 'apt-get update -qq >/dev/null'
W: The repository 'https://download.docker.com/linux/debian stretch Release' does not have a Release file.
E: Failed to fetch https://download.docker.com/linux/debian/dists/stretch/edge/binary-amd64/Packages
E: Some index files failed to download. They have been ignored, or old ones used instead.

 

A more stable workaround is to force apt back into the old mode of not caring if the Release certs are perfectly matched to the file server:

cat <<'EOF' >>/etc/apt/apt.conf.d/01docker
Acquire::https::apt.dockerproject.org::Verify-Peer "false";
Acquire::https::download.docker.com::Verify-Peer "false";
EOF

 

Now, the install works fine:

curl -fsSL https://raw.githubusercontent.com/Ubiquiti-App/UNMS/master/install.sh > /tmp/unms_install.sh \
  && sudo bash /tmp/unms_install.sh
branch=master
version=0.10.3
Downloading installation package for version 0.10.3.
Setting VERSION=0.10.3
Download and install Docker
# Executing docker install script, commit: 490beaa
+ sh -c 'apt-get update -qq >/dev/null'
+ sh -c 'apt-get install -y -qq apt-transport-https ca-certificates curl software-properties-common >/dev/null'
+ sh -c 'curl -fsSL "https://download.docker.com/linux/debian/gpg" | apt-key add -qq - >/dev/null'
Warning: apt-key output should not be parsed (stdout is not a terminal)
+ sh -c 'echo "deb [arch=amd64] https://download.docker.com/linux/debian stretch edge" > /etc/apt/sources.list.d/docker.list'
+ '[' debian = debian ']'
+ '[' stretch = wheezy ']'
+ sh -c 'apt-get update -qq >/dev/null'
+ sh -c 'apt-get install -y -qq docker-ce >/dev/null'
+ sh -c 'docker version'
Client:
 Version:      17.09.0-ce
 API version:  1.32
 Go version:   go1.8.3
 Git commit:   afdb6d4
 Built:        Tue Sep 26 22:42:09 2017
 OS/Arch:      linux/amd64

Server:
 Version:      17.09.0-ce
 API version:  1.32 (minimum version 1.12)
 Go version:   go1.8.3
 Git commit:   afdb6d4
 Built:        Tue Sep 26 22:40:48 2017
 OS/Arch:      linux/amd64
 Experimental: false
If you would like to use Docker as a non-root user, you should now consider
adding your user to the "docker" group with something like:

  sudo usermod -aG docker your-user

Remember that you will have to log out and back in for this to take effect!

WARNING: Adding a user to the "docker" group will grant the ability to run
         containers which can be used to obtain root privileges on the
         docker host.
         Refer to https://docs.docker.com/engine/security/security/#docker-daemon-attack-surface
         for more information.
Docker version: 17.09.0
./install-full.sh: line 470: ((: 17 < 1
        || (17 == 1 && 09: value too great for base (error token is "09")
Download and install Docker compose.
Docker Compose version: 1.9
Creating user unms.
Skipping 0.8.0 permission fix
Preparing templates
Creating docker-compose.yml
Pulling docker images.
Pulling redis (redis:3.2.8-alpine)...
3.2.8-alpine: Pulling from library/redis
cfc728c1c558: Pull complete
8eda5cfd7e0a: Pull complete
8acb752a319b: Pull complete
955021cea791: Pull complete
d301d906247c: Pull complete
ff438d9e11c6: Pull complete
Digest: sha256:262d8bd214e74cebb3a0573e0f3a042aa3ddade36cf39a4891dd1b05b636bc55
Status: Downloaded newer image for redis:3.2.8-alpine
Pulling postgres (postgres:9.6.1-alpine)...
9.6.1-alpine: Pulling from library/postgres
0a8490d0dfd3: Pull complete
b6475055d17e: Pull complete
ba55801edf3d: Pull complete
f132014bbab8: Pull complete
9775497ec4a5: Pull complete
678be380896e: Pull complete
31e4998cc9ec: Pull complete
Digest: sha256:fa48df82694141793fb0cd52b9a93a3618ba03e5814e11dbf0dd43797f4d4cf7
Status: Downloaded newer image for postgres:9.6.1-alpine
Pulling rabbitmq (rabbitmq:3)...
3: Pulling from library/rabbitmq
bc95e04b23c0: Pull complete
2e65f0b00e4c: Pull complete
f2bd80317989: Pull complete
7b05ca830283: Pull complete
0bb5a4bbcce5: Pull complete
cf840d8999f6: Pull complete
be339ca44883: Pull complete
ce35cd9f9b5b: Pull complete
a4fe32a0a00d: Pull complete
77408ca9e94e: Pull complete
db03407a1aba: Pull complete
Digest: sha256:9a0de56d27909c518f448314d430f8eda3ad479fc459d908ff8b281c4dfc1c00
Status: Downloaded newer image for rabbitmq:3
Pulling unms (ubnt/unms:0.10.3)...
0.10.3: Pulling from ubnt/unms
627beaf3eaaf: Pull complete
5fc32359ecb8: Pull complete
2b99ae07dd66: Pull complete
99c9d1420b38: Pull complete
b65b0ba413b8: Pull complete
86bd816c9566: Pull complete
32ebfd822bb4: Pull complete
Digest: sha256:5dc99a77ee8bb4d09f02da715ec3142283ce44d5e91b8f515b5694ffb25d6c3c
Status: Downloaded newer image for ubnt/unms:0.10.3
Checking available ports
Port 80 is already in use, please choose a different HTTP port for UNMS. [8080]:
Port 8080 is already in use, please choose a different HTTP port for UNMS. [8080]: 8888
Port 443 is already in use, please choose a different HTTPS port for UNMS. [8443]:
Port 8443 is already in use, please choose a different HTTPS port for UNMS. [8443]: 8883
Creating data volumes.
Will mount /home/unms/data
Creating docker-compose.yml
Deploying templates
Writing config file
no crontab for unms
no crontab for unms
Deleting obsolete firmwares...
Downloading new firmwares...
Downloading e50-1.9.7-hotfix.3.170831.tar
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100 74.6M  100 74.6M    0     0  5502k      0  0:00:13  0:00:13 --:--:-- 5870k
Downloading e100-1.9.7-hotfix.3.170831.tar
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100 80.8M  100 80.8M    0     0  5692k      0  0:00:14  0:00:14 --:--:-- 5859k
Downloading e200-1.9.7-hotfix.3.170831.tar
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100 80.7M  100 80.7M    0     0  5725k      0  0:00:14  0:00:14 --:--:-- 5873k
Downloading e1000-1.9.7-hotfix.3.170831.tar
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Downloading e600-1.0.2.170728.tar
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Downloading SFU-1.2.0.171003.bin
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100 15.0M  100 15.0M    0     0  4663k      0  0:00:03  0:00:03 --:--:-- 4664k
Downloading XC-8.3.2.170901.bin
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Downloading XC-8.3.2-cs.170901.bin
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Downloading WA-8.3.2.170901.bin
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Downloading TI-6.0.7.170908.bin
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Downloading XW.v6.0.7.170908.bin
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Starting docker containers.
Creating network "unms_internal" with the default driver
Creating network "unms_public" with the default driver
Building fluentd
Step 1/6 : FROM fluent/fluentd:v0.12-latest
v0.12-latest: Pulling from fluent/fluentd
019300c8a437: Pull complete
d30279f73a02: Pull complete
fd39bd5a5dae: Pull complete
4dacb8d2bb26: Pull complete
963e933724db: Pull complete
8b4dd4e99009: Pull complete
59bedb222c2c: Pull complete
Digest: sha256:9b10ed70251fda1cd91c92f07a3ae74059adb1bdad6fc51cfcfe42272a9e78e8
Status: Downloaded newer image for fluent/fluentd:v0.12-latest
 ---> 4fce39752458
Step 2/6 : USER root
 ---> Running in 8f315349c16e
 ---> 84398611a0ad
Removing intermediate container 8f315349c16e
Step 3/6 : COPY entrypoint.sh /
 ---> 157af3140182
Step 4/6 : RUN apk add --no-cache --update su-exec     && apk add --no-cache dumb-init --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/     && chmod +x /entrypoint.sh
 ---> Running in fbdef19d9e1a
fetch http://dl-cdn.alpinelinux.org/alpine/v3.5/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.5/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.5/community/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.5/community/x86_64/APKINDEX.tar.gz
OK: 27 MiB in 24 packages
fetch http://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.5/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.5/community/x86_64/APKINDEX.tar.gz
OK: 27 MiB in 24 packages
 ---> e82e4e7e156f
Removing intermediate container fbdef19d9e1a
Step 5/6 : ENTRYPOINT /entrypoint.sh
 ---> Running in 3a0455e845ef
 ---> 7581bd63c44f
Removing intermediate container 3a0455e845ef
Step 6/6 : CMD fluentd -c /fluentd/etc/$FLUENTD_CONF -p /fluentd/plugins $FLUENTD_OPT
 ---> Running in 13c6baad173b
 ---> 97647e174228
Removing intermediate container 13c6baad173b
Successfully built 97647e174228
Successfully tagged unms_fluentd:latest
WARNING: Image for service fluentd was built because it did not already exist.
 To rebuild this image you must use `docker-compose build` or `docker-compose up --build`.
Creating unms-fluentd
Creating unms-redis
Creating unms-rabbitmq
Creating unms-postgres
Creating unms
Removing old images
Current image: ubnt/unms:0.10.3
All UNMS images: ubnt/unms:0.10.3
Images to remove: ''
No old images found
Waiting for UNMS to start
CONTAINER ID      IMAGE                   COMMAND                  CREATED             STATUS           PORTS                                            NAMES
6e814af4ffc5      ubnt/unms:0.10.3        "/usr/bin/dumb-ini..."   8 seconds ago       Up 3 seconds     0.0.0.0:8888->8080/tcp, 0.0.0.0:8883->8443/tcp   unms
01f61e7d9ae8      postgres:9.6.1-alpine   "/docker-entrypoin..."   10 seconds ago      Up 7 seconds                                                      unms-postgres
99261993de75      rabbitmq:3              "docker-entrypoint..."   10 seconds ago      Up 6 seconds                                                      unms-rabbitmq
21bb0d5db0e1      redis:3.2.8-alpine      "docker-entrypoint..."   10 seconds ago      Up 7 seconds                                                      unms-redis
cdb0b878b633      unms_fluentd            "/entrypoint.sh /b..."   11 seconds ago      Up 1 second      5140/tcp, 127.0.0.1:24224->24224/tcp             unms-fluentd
UNMS is running

Bad Subnet Kills DHCPD

One, single bad IP in DHCPD config will kill the entire config file. :(

On an EdgeRouter, and probably anything with Ubiquiti, and maybe anything using the same config style (Brocade and others have the same command set)….

If you add a static reservation outside of the DHCP server’s subnet,
as in, if you typo one octet, or decide to do another subnet just because,
your DHCP server will be offline after reboot. No errors, just silently not serving.

It can be outside of the start/stop range, and that’s fine.

Really, this should give you a warning from the webUI, or it should just say “OKAY, We’ll let you hand out stupid IP addresses.” I mean, what if I wanted this to be my DHCP server, but I had a different router and subnet on the same segment?

From command line, you’ll see the error though:

admin@gw1# commit
[ service dhcp-server ]
Static DHCP lease IP '192.169.1.79' under mapping 'CustomerLaptop'
under shared network name 'LAN' is outside of the DHCP lease network '192.168.1.0/24'.
DHCP server configuration commit aborted due to error(s).
[edit]