Tobias Pfeiffer created MESOS-6048:
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Summary: Docker execution fails if agent's workdir is a relative
path
Key: MESOS-6048
URL: https://issues.apache.org/jira/browse/MESOS-6048
Project: Mesos
Issue Type: Bug
Affects Versions: 1.0.0
Environment: openSUSE Tumbleweed, Docker 1.11.2
Reporter: Tobias Pfeiffer
Priority: Minor
I start my mesos-agent.sh for development purposes like
{code}
sudo ./bin/mesos-agent.sh --master=127.0.0.1:5050 \
--work_dir=../../tmp --containerizers=docker \
--no-systemd_enable_support
{code}
And when executing a task via the Python API like
{code}
task.command.value = "echo foobar; hostname"
task.container.type = 1 # docker
task.container.docker.image = "phusion/baseimage:0.9.19"
{code}
then this fails with the following error message:
{noformat}
I0816 17:04:48.799820 9105 docker.cpp:809] Running docker -H
unix:///var/run/docker.sock run --cpu-shares 1024 --memory 1234567 -e
MESOS_SANDBOX=/mnt/mesos/sandbox -e
MESOS_CONTAINER_NAME=mesos-bc638eef-caf2-4778-a762-58826ea40364-S3.8386e2e0-6f40-47e2-9022-069b9f52b051
-v
../../tmp/slaves/bc638eef-caf2-4778-a762-58826ea40364-S3/frameworks/bc638eef-caf2-4778-a762-58826ea40364-0011/executors/0/runs/8386e2e0-6f40-47e2-9022-069b9f52b051:/mnt/mesos/sandbox
--net host --entrypoint /bin/sh --name
mesos-bc638eef-caf2-4778-a762-58826ea40364-S3.8386e2e0-6f40-47e2-9022-069b9f52b051
phusion/baseimage:0.9.19 -c echo foobar; hostname
docker: Error response from daemon: create
../../tmp/slaves/bc638eef-caf2-4778-a762-58826ea40364-S3/frameworks/bc638eef-caf2-4778-a762-58826ea40364-0011/executors/0/runs/8386e2e0-6f40-47e2-9022-069b9f52b051:
"../../tmp/slaves/bc638eef-caf2-4778-a762-58826ea40364-S3/frameworks/bc638eef-caf2-4778-a762-58826ea40364-0011/executors/0/runs/8386e2e0-6f40-47e2-9022-069b9f52b051"
includes invalid characters for a local volume name, only
"[a-zA-Z0-9][a-zA-Z0-9_.-]" are allowed.
{noformat}
In short: Relative paths are not allowed for mounting host directories into
Docker containers. I suggest that the agent should turn the work directory into
an abspath before passing it to the `-v` parameter of docker.
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