podman not able to connect to ports when starting oracle db container #23025
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When you set the netns to host all port mappings are ignored as you already share the host network namespace so there is no need to forward ports. |
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I tried removing netns=“host” option, now my container is able to connect to ports But I see this error - container is in created state but not running Error: failed to mount runtime directory for rootless netns: no such file or directory 23:40:11 Error: failed to start rootless-netns slirp4netns: /usr/bin/slirp4netns failed: "open("/dev/net/tun"): No such file or directory\nWARNING: Support for seccomp is experimental\nWARNING: Support for IPv6 is experimental\nchild failed(1)\nWARNING: Support for seccomp is experimental\nWARNING: Support for IPv6 is experimental\n" |
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If you run nested containers you have to give them enough permissions to do things like networking. That why host is the default because it just works without extra configuration. Generally the easiest is to start the outer container with --privileged |
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After adding --privileged and network_cmd_options = [] in service.conf under [engine], ran the pipeline, not seeing the mount failed error. "State": { |
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I know nothing about your environment but it sounds like you are trying to run nested containers so you must set --privileged on the outer container, maybe this can help: https://www.redhat.com/sysadmin/podman-inside-container |
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podman not able to connect to ports when starting oracle db container.
echo "Podman run container"
podman run -p 1521:1521 -p 5500:5500 --entrypoint "/bin/bash" -t -d --name analytics-db --user oracle --cpus=2 --memory="4096" --restart=always --expose=1500-5600 --publish-all -e ORACLE_SID=ANADB -e ORACLE_PDB=ANAPDB -e ORACLE_PWD=${SYSDBA_PASS} -e ORACLE_CHARACTERSET=AL32UTF8 -v analytics-db-data:/opt/oracle/oradata xxx
podman ps -a
output:
22:53:40 CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
22:53:40 59b64f9ee611 xxx Less than a second ago Up Less than a second (starting) analytics-db
container configuration:
[containers]
netns="host"
userns="host"
ipcns="host"
utsns="host"
cgroupns="host"
cgroups="enabled"
cgroup_enable="memory"
systemd.unified_cgroup_hierarchy=0
cgroup_memory=1
legacyCgroupv1=true
swapaccount=1
log_driver = "k8s-file"
volumes = [
"/proc:/proc"
]
[engine]
cgroup_manager = "cgroupfs"
events_logger="file"
runtime="crun"
podman inspect analytics-db command shows ports are empty
"HostConfig": {
11:57:54 "Binds": [
11:57:54 "analytics-db-data:/opt/oracle/oradata:rw,rprivate,nosuid,nodev,rbind"
11:57:54 ],
11:57:54 "CgroupManager": "cgroupfs",
11:57:54 "CgroupMode": "host",
11:57:54 "ContainerIDFile": "",
11:57:54 "LogConfig": {
11:57:54 "Type": "k8s-file",
11:57:54 "Config": null,
11:57:54 "Path": "/var/lib/containers/storage/overlay-containers/e7ba936621c5789fcc982439352f2dcf5e3e988b265c4d5866dc4a6de4ccdf36/userdata/ctr.log",
11:57:54 "Tag": "",
11:57:54 "Size": "0B"
11:57:54 },
11:57:54 "NetworkMode": "host",
11:57:54 "PortBindings": {},
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