base: Run xfs_growfs after growpart

[jlebon]

Ref: openshift/os#319

[jlebon]

[root@localhost ~]# journalctl -u coreos-growpart.service --no-pager
-- Logs begin at Wed 2018-09-26 20:43:08 UTC, end at Wed 2018-09-26 20:43:50 UTC. --
Sep 26 20:43:20 localhost.localdomain systemd[1]: Started coreos-growpart.service.
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]: CHANGED: partition=2 start=616448 old: size=16160768 end=16777216 new: size=26646495,end=27262943
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]: meta-data=/dev/vda2              isize=512    agcount=4, agsize=505024 blks
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]:          =                       sectsz=512   attr=2, projid32bit=1
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]:          =                       crc=1        finobt=1, sparse=0, rmapbt=0
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]:          =                       reflink=1
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]: data     =                       bsize=4096   blocks=2020096, imaxpct=25
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]:          =                       sunit=0      swidth=0 blks
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]: naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]: log      =internal log           bsize=4096   blocks=2560, version=2
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]:          =                       sectsz=512   sunit=0 blks, lazy-count=1
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]: realtime =none                   extsz=4096   blocks=0, rtextents=0
Sep 26 20:43:21 localhost.localdomain coreos-growpart[884]: data blocks changed from 2020096 to 3330811

[cgwalters]

Hmm, there's gotta be a tool out there that's like "let me detect the filesystem type and grow it", but AFAICS today cloud-init at least hardcodes a mapping.

I am not sure how I overlooked this.

Anyways, LGTM.

[dustymabe]

there's gotta be a tool out there that's like "let me detect the filesystem type and grow it"

lvresize --resizefs does this really well, but LVM only of course.