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When provisioning a Scylla docker image with --developer-mode 0 (disabled)
scylla_raid_setup is not invoked. As a consequence the "data" directory is not
created and scylla_io_setup fails (steps to reproduce and error message provided
at the end).
This patch adds the same verifications present in scylla_io_setup to docker's
scyllasetup.py and creates the data directory in the case it is not present.
--
Steps to reproduce on AWS i3.2xlarge with Ubuntu 16.04:
sudo -s
apt update && apt upgrade -y && apt-get install docker.io -y
mdadm --create --verbose --force --run /dev/md0 --level=0 -c1024 --raid-devices=1 /dev/nvme0n1
mkfs.xfs /dev/md0 -f -K
mkdir /var/lib/scylla
mount -t xfs /dev/md0 /var/lib/scylla
docker run --name some-scylla \
--volume /var/lib/scylla:/var/lib/scylla \
-p 9042:9042 -p 7000:7000 -p 7001:7001 -p 7199:7199 \
-p 9160:9160 -p 9180:9180 -p 10000:10000 \
-d scylladb/scylla --overprovisioned 1 --developer-mode 0
docker logs some-scylla
running: (['/usr/lib/scylla/scylla_dev_mode_setup', '--developer-mode', '0'],)
running: (['/usr/lib/scylla/scylla_io_setup'],)
terminate called after throwing an instance of 'std::system_error'
what(): open: No such file or directory
ERROR:root:/var/lib/scylla/data did not pass validation tests, it may not be on XFS and/or has limited disk space.
This is a non-supported setup, and performance is expected to be very bad.
For better performance, placing your data on XFS-formatted directories is required.
To override this error, enable developer mode as follow:
sudo /usr/lib/scylla/scylla_dev_mode_setup --developer-mode 1
failed!
Traceback (most recent call last):
File "/docker-entrypoint.py", line 15, in <module>
setup.io()
File "/scyllasetup.py", line 34, in io
self._run(['/usr/lib/scylla/scylla_io_setup'])
File "/scyllasetup.py", line 23, in _run
subprocess.check_call(*args, **kwargs)
File "/usr/lib64/python3.4/subprocess.py", line 558, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/usr/lib/scylla/scylla_io_setup']' returned non-zero exit status 1
ls -latr /var/lib/scylla
total 4
drwxr-xr-x 44 root root 4096 Abr 24 13:02 ..
drwxr-xr-x 2 root root 6 Abr 24 13:10 .
Signed-off-by: Moreno Garcia <moreno@scylladb.com>
Message-Id: <20180424173729.22151-1-moreno@scylladb.com>
Scylla
Quick-start
$ git submodule update --init --recursive
$ sudo ./install-dependencies.sh
$ ./configure.py --mode=release
$ ninja-build -j4 # Assuming 4 system threads.
$ ./build/release/scylla
$ # Rejoice!
Please see HACKING.md for detailed information on building and developing Scylla.
Running Scylla
- Run Scylla
./build/release/scylla
- run Scylla with one CPU and ./tmp as data directory
./build/release/scylla --datadir tmp --commitlog-directory tmp --smp 1
- For more run options:
./build/release/scylla --help
Building Fedora RPM
As a pre-requisite, you need to install Mock on your machine:
# Install mock:
sudo yum install mock
# Add user to the "mock" group:
usermod -a -G mock $USER && newgrp mock
Then, to build an RPM, run:
./dist/redhat/build_rpm.sh
The built RPM is stored in /var/lib/mock/<configuration>/result directory.
For example, on Fedora 21 mock reports the following:
INFO: Done(scylla-server-0.00-1.fc21.src.rpm) Config(default) 20 minutes 7 seconds
INFO: Results and/or logs in: /var/lib/mock/fedora-21-x86_64/result
Building Fedora-based Docker image
Build a Docker image with:
cd dist/docker
docker build -t <image-name> .
Run the image with:
docker run -p $(hostname -i):9042:9042 -i -t <image name>