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Add helper to get value by field using "nmcli --get-values"

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nmcli --get-values <field> connection show /org/freedesktop/NetworkManager/ActiveConnection/1
returns the following value for the corresponding field respectively,
  Field                                  Value
  IP4.DNS                                "10.19.42.41 | 10.11.5.19 | 10.5.30.160"
  802-3-ethernet.s390-subchannels        ""
  bond.options                           "mode=balance-rr"

Signed-off-by: Coiby Xu <coxu@redhat.com>
Acked-by: Kairui Song <kasong@redhat.com>
This commit is contained in:
Coiby Xu 2021-04-01 15:32:08 +08:00 committed by Kairui Song
parent c05d8a16a0
commit 10c309b5f7
1 changed files with 20 additions and 0 deletions
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20
kdump-lib.sh
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@ -372,6 +372,26 @@ get_hwaddr()
fi
}
# Get value by a field using "nmcli -g"
#
# "nmcli --get-values" allows us to retrive value(s) by field, for example,
# nmcli --get-values <field> connection show /org/freedesktop/NetworkManager/ActiveConnection/1
# returns the following value for the corresponding field respectively,
# Field Value
# IP4.DNS "10.19.42.41 | 10.11.5.19 | 10.5.30.160"
# 802-3-ethernet.s390-subchannels ""
# bond.options "mode=balance-rr"
get_nmcli_value_by_field()
{
local _nm_show_cmd=$1
local _field=$2
local val=$(LANG=C nmcli --get-values $_field $_nm_show_cmd)
echo -n "$val"
}
get_ifcfg_by_device()
{
grep -E -i -l "^[[:space:]]*DEVICE=\"*${1}\"*[[:space:]]*$" \