Bug 1767100
| Summary: | nameservers are not written correctly by the ifcfg module | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | Christophe Besson <cbesson> |
| Component: | dracut | Assignee: | Lukáš Nykrýn <lnykryn> |
| Status: | CLOSED ERRATA | QA Contact: | Frantisek Sumsal <fsumsal> |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | 8.0 | CC: | dracut-maint-list, dtardon, fkrska, fsumsal, jamacku |
| Target Milestone: | rc | Keywords: | Patch, Triaged |
| Target Release: | 8.0 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | dracut-049-129.git20210107.el8 | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-05-18 15:02:41 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Additionally, there is no way to define a DOMAIN with this ifcfg module. This is a second issue, since the early network setup overwrites files generated by anaconda (parse-kickstart), so there is no way to define the DOMAIN value in the ifcfg file (the NetworkManager reads that to write /etc/resolv.conf). Pull-request that should fix this issue was send to upstream: https://github.com/dracutdevs/dracut/pull/667 Thanks, and what about the 2nd (related) issue about the DOMAIN definition? Should I open another bug for that one? Yeah, maybe it would be better to have this covered in separated bugs. Since the nameserver part was a bugfix, while the domain part is RFE. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (dracut bug fix and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2021:1661 |
Description of problem: According to the code of net-lib.sh and the manual of dracut.cmdline, the ip argument from the cmdline used for early networking setup may have several forms, including this one: ip=<client-IP>:[<peer>]:<gateway-IP>:<netmask>:<client_hostname>:<interface>:{none|off|dhcp|on|any|dhcp6|auto6|ibft}[:[<dns1>][:<dns2>]] The last columns are not parsed, so the DNS1 and DNS2 are not present in the generated ifcfg files (which are themselves used by the NetworkManager). Version-Release number of selected component (if applicable): # rpm -qf /usr/lib/dracut/modules.d/45ifcfg/write-ifcfg.sh dracut-network-049-10.git20190115.el8.x86_64 How reproducible: echo "kernel_cmdline=ip=192.168.122.100::192.168.122.1:255.255.255.0::ens3:none:8.8.8.8" > /etc/dracut.conf.d/static_ip.conf dracut -fv --regenerate-all Actual results: No DNS1 and DNS2 entries in /etc/sysconfig/network-scripts/ifcfg-* Expected results: DNS1 and DNS2 are present in the ifcfg file. Additional info: The code of write-ifcfg only iterates the nameserver arguments from the cmdline. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ i=1 for ns in $(getargs nameserver); do echo "DNS${i}=\"${ns}\"" >> /tmp/ifcfg/ifcfg-$netif i=$((i+1)) done ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~