Bug#979974: cloud-init wait an unnecessary timeout

[Matteo Croce <mcroce@linux.microsoft.com>]

Package: cloud-init
Version: 20.4-1
Severity: important

Dear Maintainer,

At boot cloud-init waits 120 seconds for an ephemeral disk, but some
VM types doesn't have ephemeral storage at all, so this just blocks
the boot for 120 seconds:

Jan 12 11:23:13 mcroce-buster cloud-init[506]: 2021-01-12 11:23:13,608
- azure.py[WARNING]: ephemeral device '/dev/disk/cloud/azure_resource'
did not appear after 120 seconds.

Please consider mounting the disk upon attach.

Regards,

-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-1-cloud-amd64 (SMP w/2 CPU threads)
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=locale: Cannot set
LC_ALL to default locale: No such file or directory
UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages cloud-init depends on:
ii  fdisk               2.36.1-4
ii  gdisk               1.0.5-1
ii  ifupdown            0.8.36
ii  locales             2.31-9
ii  lsb-base            11.1.0
ii  lsb-release         11.1.0
ii  net-tools           1.60+git20181103.0eebece-1
ii  procps              2:3.3.16-5
ii  python3             3.9.1-1
ii  python3-configobj   5.0.6-4
ii  python3-jinja2      2.11.2-1
ii  python3-jsonpatch   1.25-3
ii  python3-jsonschema  3.2.0-3
ii  python3-oauthlib    3.1.0-2
ii  python3-requests    2.25.1+dfsg-2
ii  python3-yaml        5.3.1-3+b1
ii  util-linux          2.36.1-4

Versions of packages cloud-init recommends:
ii  cloud-guest-utils  0.31-2
pn  eatmydata          <none>
ii  sudo               1.9.4p2-2

Versions of packages cloud-init suggests:
pn  btrfs-progs  <none>
ii  e2fsprogs    1.45.6-1
pn  xfsprogs     <none>

-- debconf information:
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LC_TIME = "it_IT.UTF-8",
        LC_MONETARY = "it_IT.UTF-8",
        LC_COLLATE = "it_IT.UTF-8",
        LC_MEASUREMENT = "it_IT.UTF-8",
        LC_NUMERIC = "it_IT.UTF-8",
        LANG = "C.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to a fallback locale ("C.UTF-8").
Report will be sent to Debian Bug Tracking System <submit@bugs.debian.org>