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How do I get the IP address of an LXC container for automation?

How do I get the IP address of an LXC container?Public IP Address for LXC containerGetting data from the outside into my linux container?LXC USB Device PassthroughProblem setting up a user-space LXC containerWhere to configure lxd containers?Cannot launch lxc containers get 'error: a remote name must be provided'How do I get ipv4/inet working in a arm lxc container running on intel host?guestmount inside a lxd container gives an “Operation not permitted” errorLXD container set static ipDisable IPv6 from boot inside LXD/LXC container

3

1

How can I get the IP address of an LXC container in a format I can use in scripting?

Right now, the command lxc info <container> report that information, but in a human readable format, with a lot of information.

I would like to ONLY to GET the IP address given a container name.

Note: I HAVE to duplicate this question because Linux Containers have changed a lot.

Installing lxd and using unprivileged containers is the default way to go this days (2017) and I think the solutions posted on the original question are do not resolve the issue in this case.

In any case, I installed the package lxc1 to get access to the command lxc-info, but that command doesn't recognize any of my unprivileged containers.

lxc lxd

share|improve this question

asked Jun 1 '17 at 14:36

jgomo3jgomo3

4311622

add a comment | 

3

1

How can I get the IP address of an LXC container in a format I can use in scripting?

Right now, the command lxc info <container> report that information, but in a human readable format, with a lot of information.

I would like to ONLY to GET the IP address given a container name.

Note: I HAVE to duplicate this question because Linux Containers have changed a lot.

Installing lxd and using unprivileged containers is the default way to go this days (2017) and I think the solutions posted on the original question are do not resolve the issue in this case.

In any case, I installed the package lxc1 to get access to the command lxc-info, but that command doesn't recognize any of my unprivileged containers.

lxc lxd

share|improve this question

asked Jun 1 '17 at 14:36

jgomo3jgomo3

4311622

add a comment | 

How can I get the IP address of an LXC container in a format I can use in scripting?

Right now, the command lxc info <container> report that information, but in a human readable format, with a lot of information.

I would like to ONLY to GET the IP address given a container name.

Note: I HAVE to duplicate this question because Linux Containers have changed a lot.

Installing lxd and using unprivileged containers is the default way to go this days (2017) and I think the solutions posted on the original question are do not resolve the issue in this case.

In any case, I installed the package lxc1 to get access to the command lxc-info, but that command doesn't recognize any of my unprivileged containers.

lxc lxd

share|improve this question

asked Jun 1 '17 at 14:36

jgomo3jgomo3

4311622

share|improve this question

asked Jun 1 '17 at 14:36

jgomo3jgomo3

4311622

share|improve this question

asked Jun 1 '17 at 14:36

jgomo3jgomo3

4311622

asked Jun 1 '17 at 14:36

jgomo3jgomo3

4311622

asked Jun 1 '17 at 14:36

jgomo3jgomo3

4311622

6 Answers
6

active

oldest

votes

2

A native solution (which isn't any prettier than @siloko's answer) would be

lxc list "<name>" -c 4 | awk '!/IPV4/{ if ( $2 != "" ) print $2}'

There are alternatives to awk, but that's tangential to the question.

share|improve this answer

answered Jun 13 '17 at 21:27

Jonathan Y.Jonathan Y.

504928

add a comment | 

2

lxc list | grep nameofthecontainer | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+"

This is what I am using, I pass the container name in as a variable.

share|improve this answer

edited Feb 2 '18 at 2:13

muru

1

answered Feb 1 '18 at 23:55

NeilNeil

211

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  the grep command is unneded, you can put directly lxc list container_name | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+" with the same result
  
  – Yonsy Solis
  Feb 20 '18 at 15:45
  
  
  

  
  
  
  

add a comment | 

1

So far this is the easiest way:

lxc list -c4 --format csv <container> | cut -d' ' -f1

But maybe it will be possible without cut.

EDIT: Uncut bash:

a=( $(lxc list -c4 --format csv u1) ) ip4=$a[1] echo $ip4

Hint from @monstermunchkin from the above issue.

share|improve this answer

edited Jan 29 at 10:39

answered Jul 14 '18 at 1:23

anatoly techtonikanatoly techtonik

86621631

add a comment | 

0

Probably a bit ugly but:

lxc-info -n my-container | grep IP: | tr -d ' ' | cut -f2 -d:

will get you just the IP address

share|improve this answer

answered Jun 1 '17 at 14:54

silokosiloko

51727

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you. It would be a solution in the near time. BTW, the idea is to use the command lxc info, not lxc-info as they are different how I explained.
  
  – jgomo3
  Jun 1 '17 at 14:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  bare lxc is not available on my system (Ubuntu 16.04), sorry.
  
  – siloko
  Jun 2 '17 at 6:55
  

  
  
  
  

add a comment | 

0

pylxd is the official python API client interface developed, supported, and endorsed by the LXD project.

Installation instructions here

$ python3

Python 3.6.7 (default, Oct 22 2018, 11:32:17) 

>>> from pylxd import Client

>>> client = Client()

>>> for p in client.containers.all(): print(p.name, p.state().network['eth0']['addresses'][0]['address'])

... 

stretch-cc 10.76.67.242

share

answered 9 mins ago

Craig HicksCraig Hicks

24719

add a comment | 

-1

lxc-info --name container --ips --no-humanize

prints the container IP addresses.

The returned value is a list because a container can have more than one address.

share|improve this answer

answered Jan 17 '18 at 17:56

G. FiedlerG. Fiedler

992

add a comment | 

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2

A native solution (which isn't any prettier than @siloko's answer) would be

lxc list "<name>" -c 4 | awk '!/IPV4/{ if ( $2 != "" ) print $2}'

There are alternatives to awk, but that's tangential to the question.

share|improve this answer

answered Jun 13 '17 at 21:27

Jonathan Y.Jonathan Y.

504928

add a comment | 

2

A native solution (which isn't any prettier than @siloko's answer) would be

lxc list "<name>" -c 4 | awk '!/IPV4/{ if ( $2 != "" ) print $2}'

There are alternatives to awk, but that's tangential to the question.

share|improve this answer

answered Jun 13 '17 at 21:27

Jonathan Y.Jonathan Y.

504928

add a comment | 

A native solution (which isn't any prettier than @siloko's answer) would be

lxc list "<name>" -c 4 | awk '!/IPV4/{ if ( $2 != "" ) print $2}'

There are alternatives to awk, but that's tangential to the question.

share|improve this answer

answered Jun 13 '17 at 21:27

Jonathan Y.Jonathan Y.

504928

lxc list "<name>" -c 4 | awk '!/IPV4/{ if ( $2 != "" ) print $2}'

share|improve this answer

answered Jun 13 '17 at 21:27

Jonathan Y.Jonathan Y.

504928

answered Jun 13 '17 at 21:27

Jonathan Y.Jonathan Y.

504928

answered Jun 13 '17 at 21:27

Jonathan Y.Jonathan Y.

504928

2

lxc list | grep nameofthecontainer | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+"

This is what I am using, I pass the container name in as a variable.

share|improve this answer

edited Feb 2 '18 at 2:13

muru

1

answered Feb 1 '18 at 23:55

NeilNeil

211

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  the grep command is unneded, you can put directly lxc list container_name | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+" with the same result
  
  – Yonsy Solis
  Feb 20 '18 at 15:45
  
  
  

  
  
  
  

add a comment | 

2

lxc list | grep nameofthecontainer | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+"

This is what I am using, I pass the container name in as a variable.

share|improve this answer

edited Feb 2 '18 at 2:13

muru

1

answered Feb 1 '18 at 23:55

NeilNeil

211

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  the grep command is unneded, you can put directly lxc list container_name | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+" with the same result
  
  – Yonsy Solis
  Feb 20 '18 at 15:45
  
  
  

  
  
  
  

add a comment | 

lxc list | grep nameofthecontainer | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+"

This is what I am using, I pass the container name in as a variable.

share|improve this answer

edited Feb 2 '18 at 2:13

muru

1

answered Feb 1 '18 at 23:55

NeilNeil

211

lxc list | grep nameofthecontainer | egrep -o "[0-9]+.[0-9]+.[0-9]+.[0-9]+"

share|improve this answer

edited Feb 2 '18 at 2:13

muru

1

answered Feb 1 '18 at 23:55

NeilNeil

211

edited Feb 2 '18 at 2:13

muru

1

edited Feb 2 '18 at 2:13

muru

1

answered Feb 1 '18 at 23:55

NeilNeil

211

answered Feb 1 '18 at 23:55

NeilNeil

211

1

So far this is the easiest way:

lxc list -c4 --format csv <container> | cut -d' ' -f1

But maybe it will be possible without cut.

EDIT: Uncut bash:

a=( $(lxc list -c4 --format csv u1) ) ip4=$a[1] echo $ip4

Hint from @monstermunchkin from the above issue.

share|improve this answer

edited Jan 29 at 10:39

answered Jul 14 '18 at 1:23

anatoly techtonikanatoly techtonik

86621631

add a comment | 

1

So far this is the easiest way:

lxc list -c4 --format csv <container> | cut -d' ' -f1

But maybe it will be possible without cut.

EDIT: Uncut bash:

a=( $(lxc list -c4 --format csv u1) ) ip4=$a[1] echo $ip4

Hint from @monstermunchkin from the above issue.

share|improve this answer

edited Jan 29 at 10:39

answered Jul 14 '18 at 1:23

anatoly techtonikanatoly techtonik

86621631

add a comment | 

So far this is the easiest way:

lxc list -c4 --format csv <container> | cut -d' ' -f1

But maybe it will be possible without cut.

EDIT: Uncut bash:

a=( $(lxc list -c4 --format csv u1) ) ip4=$a[1] echo $ip4

Hint from @monstermunchkin from the above issue.

share|improve this answer

edited Jan 29 at 10:39

answered Jul 14 '18 at 1:23

anatoly techtonikanatoly techtonik

86621631

lxc list -c4 --format csv <container> | cut -d' ' -f1

a=( $(lxc list -c4 --format csv u1) ) ip4=$a[1] echo $ip4

share|improve this answer

edited Jan 29 at 10:39

answered Jul 14 '18 at 1:23

anatoly techtonikanatoly techtonik

86621631

answered Jul 14 '18 at 1:23

anatoly techtonikanatoly techtonik

86621631

answered Jul 14 '18 at 1:23

anatoly techtonikanatoly techtonik

86621631

0

Probably a bit ugly but:

lxc-info -n my-container | grep IP: | tr -d ' ' | cut -f2 -d:

will get you just the IP address

share|improve this answer

answered Jun 1 '17 at 14:54

silokosiloko

51727

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you. It would be a solution in the near time. BTW, the idea is to use the command lxc info, not lxc-info as they are different how I explained.
  
  – jgomo3
  Jun 1 '17 at 14:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  bare lxc is not available on my system (Ubuntu 16.04), sorry.
  
  – siloko
  Jun 2 '17 at 6:55
  

  
  
  
  

add a comment | 

0

Probably a bit ugly but:

lxc-info -n my-container | grep IP: | tr -d ' ' | cut -f2 -d:

will get you just the IP address

share|improve this answer

answered Jun 1 '17 at 14:54

silokosiloko

51727

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you. It would be a solution in the near time. BTW, the idea is to use the command lxc info, not lxc-info as they are different how I explained.
  
  – jgomo3
  Jun 1 '17 at 14:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  bare lxc is not available on my system (Ubuntu 16.04), sorry.
  
  – siloko
  Jun 2 '17 at 6:55
  

  
  
  
  

add a comment | 

Probably a bit ugly but:

lxc-info -n my-container | grep IP: | tr -d ' ' | cut -f2 -d:

will get you just the IP address

share|improve this answer

answered Jun 1 '17 at 14:54

silokosiloko

51727

lxc-info -n my-container | grep IP: | tr -d ' ' | cut -f2 -d:

share|improve this answer

answered Jun 1 '17 at 14:54

silokosiloko

51727

answered Jun 1 '17 at 14:54

silokosiloko

51727

answered Jun 1 '17 at 14:54

silokosiloko

51727

0

pylxd is the official python API client interface developed, supported, and endorsed by the LXD project.

Installation instructions here

$ python3

Python 3.6.7 (default, Oct 22 2018, 11:32:17) 

>>> from pylxd import Client

>>> client = Client()

>>> for p in client.containers.all(): print(p.name, p.state().network['eth0']['addresses'][0]['address'])

... 

stretch-cc 10.76.67.242

share

answered 9 mins ago

Craig HicksCraig Hicks

24719

add a comment | 

0

pylxd is the official python API client interface developed, supported, and endorsed by the LXD project.

Installation instructions here

$ python3

Python 3.6.7 (default, Oct 22 2018, 11:32:17) 

>>> from pylxd import Client

>>> client = Client()

>>> for p in client.containers.all(): print(p.name, p.state().network['eth0']['addresses'][0]['address'])

... 

stretch-cc 10.76.67.242

share

answered 9 mins ago

Craig HicksCraig Hicks

24719

add a comment | 

pylxd is the official python API client interface developed, supported, and endorsed by the LXD project.

Installation instructions here

$ python3

Python 3.6.7 (default, Oct 22 2018, 11:32:17) 

>>> from pylxd import Client

>>> client = Client()

>>> for p in client.containers.all(): print(p.name, p.state().network['eth0']['addresses'][0]['address'])

... 

stretch-cc 10.76.67.242

share

answered 9 mins ago

Craig HicksCraig Hicks

24719

$ python3

Python 3.6.7 (default, Oct 22 2018, 11:32:17) 

>>> from pylxd import Client

>>> client = Client()

>>> for p in client.containers.all(): print(p.name, p.state().network['eth0']['addresses'][0]['address'])

... 

stretch-cc 10.76.67.242

share

answered 9 mins ago

Craig HicksCraig Hicks

24719

answered 9 mins ago

Craig HicksCraig Hicks

24719

answered 9 mins ago

Craig HicksCraig Hicks

24719

-1

lxc-info --name container --ips --no-humanize

prints the container IP addresses.

The returned value is a list because a container can have more than one address.

share|improve this answer

answered Jan 17 '18 at 17:56

G. FiedlerG. Fiedler

992

add a comment | 

-1

lxc-info --name container --ips --no-humanize

prints the container IP addresses.

The returned value is a list because a container can have more than one address.

share|improve this answer

answered Jan 17 '18 at 17:56

G. FiedlerG. Fiedler

992

add a comment | 

lxc-info --name container --ips --no-humanize

prints the container IP addresses.

The returned value is a list because a container can have more than one address.

share|improve this answer

answered Jan 17 '18 at 17:56

G. FiedlerG. Fiedler

992

lxc-info --name container --ips --no-humanize

share|improve this answer

answered Jan 17 '18 at 17:56

G. FiedlerG. Fiedler

992

answered Jan 17 '18 at 17:56

G. FiedlerG. Fiedler

992

answered Jan 17 '18 at 17:56

G. FiedlerG. Fiedler

992