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[Ryan Harper <1686754@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

% cat simple-v1.yaml 
network:
    version: 1
    config:
        - type: physical
          name: interface0
          mac_address: "52:54:00:12:34:00"
          subnets:
              - type: static
                address: 10.0.2.15/24
                gateway: 10.0.2.2


% cat target/etc/sysconfig/network-scripts/ifcfg-interface0 
# Created by cloud-init on instance boot automatically, do not edit.
#
BOOTPROTO=static
DEVICE=interface0
HWADDR=52:54:00:12:34:00
IPADDR=10.0.2.15/24
NM_CONTROLLED=no
ONBOOT=yes
TYPE=Ethernet
USERCTL=no

When running an ifcf-interface0 under centos7, network-scripts complain
with:

arping: 10.0.2.15/24: Name or service not known
Error: ??? prefix is expected rather than "10.0.2.15/24/".
ERROR    : [/etc/sysconfig/network-scripts/ifup-eth] Error adding address 10.0.22
.15/24 for interface0.
arping: 10.0.2.15/24: Name or service not known
Error: ??? prefix is expected rather than "10.0.2.15/24/".


Changing ifcfg-interface to this, fixes the error:

IPADDR=10.0.2.15
NETMASK=255.255.255.0

CIDR expression should get expanded into a NETMASK value

** Affects: cloud-init
     Importance: Undecided
         Status: New


** Tags: centos7

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https://bugs.launchpad.net/bugs/1686754

Title:
  sysconfig  renderer leaves CIDR notation in IPADDR field

Status in cloud-init:
  New

Bug description:
  % cat simple-v1.yaml 
  network:
      version: 1
      config:
          - type: physical
            name: interface0
            mac_address: "52:54:00:12:34:00"
            subnets:
                - type: static
                  address: 10.0.2.15/24
                  gateway: 10.0.2.2

  
  % cat target/etc/sysconfig/network-scripts/ifcfg-interface0 
  # Created by cloud-init on instance boot automatically, do not edit.
  #
  BOOTPROTO=static
  DEVICE=interface0
  HWADDR=52:54:00:12:34:00
  IPADDR=10.0.2.15/24
  NM_CONTROLLED=no
  ONBOOT=yes
  TYPE=Ethernet
  USERCTL=no

  When running an ifcf-interface0 under centos7, network-scripts
  complain with:

  arping: 10.0.2.15/24: Name or service not known
  Error: ??? prefix is expected rather than "10.0.2.15/24/".
  ERROR    : [/etc/sysconfig/network-scripts/ifup-eth] Error adding address 10.0.22
  .15/24 for interface0.
  arping: 10.0.2.15/24: Name or service not known
  Error: ??? prefix is expected rather than "10.0.2.15/24/".

  
  Changing ifcfg-interface to this, fixes the error:

  IPADDR=10.0.2.15
  NETMASK=255.255.255.0

  CIDR expression should get expanded into a NETMASK value

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