Re: [HTCondor-users] docker detection broken in centos 7

[Dimitri Maziuk <dmaziuk@xxxxxxxxxxxxx>]

On 10/31/19 4:21 PM, Todd Tannenbaum wrote:
> STARTER_DEBUG = D_FULLDEBUG

Ugh. What happens now is

> 11/01/19 12:46:07 DockerProc::Detect()
> 11/01/19 12:46:07 Attempting to run: '/usr/bin/docker -v'.
> 11/01/19 12:46:07 Attempting to run: '/usr/bin/docker info'.
> 11/01/19 12:46:08 [docker info] WARNING: Error loading config file: /root/.docker/config.json: stat /root/.docker/config.json: permission denied
> 11/01/19 12:46:08 [docker info]  Debug Mode: false
> 11/01/19 12:46:08 [docker info] Server:
> 11/01/19 12:46:08 [docker info]   Running: 0
> 11/01/19 12:46:08 [docker info]   Stopped: 0
> 11/01/19 12:46:08 [docker info]  Server Version: 19.03.4
> 11/01/19 12:46:08 [docker info]   Backing Filesystem: extfs
> 11/01/19 12:46:08 [docker info]   Native Overlay Diff: true
> 11/01/19 12:46:08 [docker info]  Cgroup Driver: cgroupfs
> 11/01/19 12:46:08 [docker info]   Volume: local
> 11/01/19 12:46:08 [docker info]   Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
> 11/01/19 12:46:08 [docker info]  Runtimes: runc
> 11/01/19 12:46:08 [docker info]  Init Binary: docker-init
> 11/01/19 12:46:08 [docker info]  runc version: 3e425f80a8c931f88e6d94a8c831b9d5aa481657
> 11/01/19 12:46:08 [docker info]  Security Options:
> 11/01/19 12:46:08 [docker info]    Profile: default
> 11/01/19 12:46:08 [docker info]  Operating System: CentOS Linux 7 (Core)
> 11/01/19 12:46:08 [docker info]  Architecture: x86_64
> 11/01/19 12:46:08 [docker info]  Total Memory: 7.795GiB
> 11/01/19 12:46:08 [docker info]  ID: BSHQ:A53U:BQX2:BCS3:3P2D:RIEF:Z46N:2SOY:YGDY:63S3:CIV4:CDSN
> 11/01/19 12:46:08 [docker info]  Debug Mode: false
> 11/01/19 12:46:08 [docker info]  Labels:
> 11/01/19 12:46:08 [docker info]  Insecure Registries:
> 11/01/19 12:46:08 [docker info]   pike.bmrb.wisc.edu:5000
> 11/01/19 12:46:08 [docker info]   127.0.0.0/8
> 11/01/19 12:46:08 [docker info]
> 11/01/19 12:46:08 DockerProc::Version()
> 11/01/19 12:46:08 Attempting to run: '/usr/bin/docker -v'.
> 11/01/19 12:46:10 DockerProc::Version() found version 'Docker version 19.03.4, build 9013bf583a'

.. and docker is detected. For comparison,

> [root@hawk condor]# su - condor
> -sh-4.2$ /usr/bin/docker -v
> Docker version 19.03.4, build 9013bf583a
> -sh-4.2$ /usr/bin/docker info
> Client:
>  Debug Mode: false
>
> Server:
>  Containers: 0
>   Running: 0
>   Paused: 0
>   Stopped: 0
>  Images: 0
>  Server Version: 19.03.4
>  Storage Driver: overlay2
>   Backing Filesystem: extfs
>   Supports d_type: true
>   Native Overlay Diff: true
>  Logging Driver: json-file
>  Cgroup Driver: cgroupfs
>  Plugins:
>   Volume: local
>   Network: bridge host ipvlan macvlan null overlay
>   Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
>  Swarm: inactive
>  Runtimes: runc
>  Default Runtime: runc
>  Init Binary: docker-init
>  containerd version: b34a5c8af56e510852c35414db4c1f4fa6172339
>  runc version: 3e425f80a8c931f88e6d94a8c831b9d5aa481657
>  init version: fec3683
>  Security Options:
>   seccomp
>    Profile: default
>  Kernel Version: 3.10.0-1062.4.1.el7.x86_64
>  Operating System: CentOS Linux 7 (Core)
>  OSType: linux
>  Architecture: x86_64
>  CPUs: 4
>  Total Memory: 7.795GiB
>  Name: hawk.bmrb.wisc.edu
>  ID: BSHQ:A53U:BQX2:BCS3:3P2D:RIEF:Z46N:2SOY:YGDY:63S3:CIV4:CDSN
>  Docker Root Dir: /var/lib/docker
>  Debug Mode: false
>  Registry: https://index.docker.io/v1/
>  Labels:
>  Experimental: false
>  Insecure Registries:
>   angelfish.bmrb.wisc.edu:5000
>   damselfish.bmrb.wisc.edu:5000
>   pike.bmrb.wisc.edu:5000
>   127.0.0.0/8
>  Live Restore Enabled: false

and the warning about /root/.docker/config.json is not there. Where TH 
is condor getting it from?

--
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu