RE: Multiple IOCs on one host Issue

["Manoussakis, Adamandios via Tech-talk" <tech-talk at aps.anl.gov>]

Thanks Heinz,

 

I seem to be still getting the return error from Ralph’s script even with the changes below that you mentioned. I did have to add the closing quotations on the last grep commands for addr/bcast, I was getting unterminated string error.

 

line=`ip addr show $IFACE`

addr=`echo $line | grep -Po 'inet\s+[^\s]+\s+' | grep -Po '\d+.*’ '`
bcast=`echo $line | grep -Po 'brd\s+[^\s]+\s+' | grep -Po '\d+.*’ '`

[ -z "$addr" -o -z "$bcast" ] && return 1

 

@Ralph

 

Here is what the script is going through, seems like the grep is still failing

 

jetson@ubuntu:/etc/network/if-up.d$ sudo sh -x ioc.sh

+ PORT=5064

+ [  != none ]s

+ [  != lo ]

+ ip addr show

+ line=1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host

       valid_lft forever preferred_lft forever

2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000

    link/ether 00:0c:29:c6:6f:a0 brd ff:ff:ff:ff:ff:ff

    inet 192.168.252.132/24 brd 192.168.252.255 scope global ens33

       valid_lft forever preferred_lft forever

    inet6 fe80::20c:29ff:fec6:6fa0/64 scope link

       valid_lft forever preferred_lft forever

3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default

    link/ether 02:42:6a:5e:1a:03 brd ff:ff:ff:ff:ff:ff

    inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0

       valid_lft forever preferred_lft forever

+ echo 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 00:0c:29:c6:6f:a0 brd ff:ff:ff:ff:ff:ff inet 192.168.252.132/24 brd 192.168.252.255 scope global ens33 valid_lft forever preferred_lft forever inet6 fe80::20c:29ff:fec6:6fa0/64 scope link valid_lft forever preferred_lft forever 3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6a:5e:1a:03 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0 valid_lft forever preferred_lft forever

+ grep -Po inet\s+[^\s]+\s+

+ grep -Po \d+.*’

+ addr=

+ grep -Po \d+.*’

+ grep -Po brd\s+[^\s]+\s+

+ echo 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 00:0c:29:c6:6f:a0 brd ff:ff:ff:ff:ff:ff inet 192.168.252.132/24 brd 192.168.252.255 scope global ens33 valid_lft forever preferred_lft forever inet6 fe80::20c:29ff:fec6:6fa0/64 scope link valid_lft forever preferred_lft forever 3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6a:5e:1a:03 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0 valid_lft forever preferred_lft forever

+ bcast=

+ [ -z  -o -z  ]

+ return 1

 

From: Tech-talk tech-talk-bounces at aps.anl.gov On Behalf Of Ralph Lange via Tech-talk
Sent: Friday, March 19, 2021 9:35 AM
To: EPICS Tech Talk <tech-talk at aps.anl.gov>
Subject: Re: Multiple IOCs on one host Issue

 

On Fri, 19 Mar 2021 at 10:59, Heinz Junkes <junkes at fhi-berlin.mpg.de> wrote:

The right expressions might be these ones:

addr=`echo $line | grep -Po 'inet\s+[^\s]+\s+' | grep -Po '\d+.*’`
bcast=`echo $line | grep -Po 'brd\s+[^\s]+\s+' | grep -Po '\d+.*’`

 

Impressive.

Do these work with older systems - where the other expressions worked?

 

Cheers,

~Ralph