Node test-azure-ubuntu2404-x64-1 low on disk space

[andrew-m-leonard]

https://ci.adoptium.net/computer/test%2Dazure%2Dubuntu2404%2Dx64%2D1/

Tests running on this node issue out of disk space: https://ci.adoptium.net/job/Test_openjdk21_hs_special.system_x86-64_linux/28/console

20:37:04  Exception: hudson.AbortException: Failed to run ssh-agent: mkdtemp: private socket dir: No space left on device

[sxa]

Looks like docker has filled it up:

root@test-azure-ubuntu2404-x64-1:/# docker images
REPOSITORY                                     TAG                          IMAGE ID       CREATED         SIZE
adoptopenjdk-functional-test-test              11-jdk-ubuntu-hotspot-full   28e10f95a447   5 weeks ago     1.41GB
openjdk_container                              latest                       83d6060b2085   8 weeks ago     1.28GB
adoptopenjdk-camel-test                        11-jdk-ubuntu-hotspot-full   02ec4c651626   2 months ago    830MB
eclipse-temurin                                11-jdk                       93fb1c842ca4   3 months ago    394MB
quay.io/infinispan/server                      13.0                         dc1c35e21f35   5 months ago    489MB
alpine                                         3.14                         9e179bacf43c   19 months ago   5.61MB
postgres                                       14.1                         da2cb49d7a8d   2 years ago     374MB
apicurio/apicurio-registry-mem                 2.1.5.Final                  ed9bea0068ca   2 years ago     539MB
neo4j                                          4.0.0                        1147438f3c92   2 years ago     576MB
vectorized/redpanda                            v21.11.2                     0181c8deca6e   2 years ago     301MB
confluentinc/cp-kafka                          5.4.3                        89534fffaf40   3 years ago     667MB
testcontainers/ryuk                            0.3.3                        64f4b02dc986   3 years ago     12MB
centos                                         7                            eeb6ee3f44bd   3 years ago     204MB
localstack/localstack                          0.12.17                      c3364c96eb0b   3 years ago     797MB
quay.io/artemiscloud/activemq-artemis-broker   0.1.2                        e94cf4ccfc58   3 years ago     551MB
quay.io/infinispan-test/ryuk                   0.3.0                        03cb4444a82d   4 years ago     11.9MB
mongo                                          4.2.6                        3f3daf863757   4 years ago     388MB
root@test-azure-ubuntu2404-x64-1:/# docker system prine^C
root@test-azure-ubuntu2404-x64-1:/# 

root@test-azure-ubuntu2404-x64-1:~# docker system df
TYPE            TOTAL     ACTIVE    SIZE      RECLAIMABLE
Images          17        0         8.035GB   8.035GB (100%)
Containers      0         0         0B        0B
Local Volumes   3         0         0B        0B
Build Cache     123       57        37.55GB   17.63GB
root@test-azure-ubuntu2404-x64-1:~# 

Although /var/lib/docker is 56GiB in size:

root@test-azure-ubuntu2404-x64-1:/# du -sh /var/lib/docker
54G	/var/lib/docker
root@test-azure-ubuntu2404-x64-1:/# 

Run docker system prune and it has reclaimed 17GiB