Quoting Stéphane Graber (stgra...@ubuntu.com):
> This adds a new -i flag to lxc-info to print the container's IP
> addresses using get_ips().
>
> Example:
> $ lxc-info -n lxc-dev -s -p -i
> state: RUNNING
> pid: 21331
> ip: 10.0.3.165
> ip: 2607:f2c0:f00f:2751:e9ca:842f:efa9:97d1
> ip: 2607:f2c0:f00f:2751:216:3eff:fe3a:f1c1
>
> Signed-off-by: Stéphane Graber <stgra...@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hal...@ubuntu.com>
> ---
> doc/lxc-info.sgml.in | 12 ++++++++++++
> src/lxc/lxc_info.c | 24 ++++++++++++++++++++----
> 2 files changed, 32 insertions(+), 4 deletions(-)
>
> diff --git a/doc/lxc-info.sgml.in b/doc/lxc-info.sgml.in
> index c6fc624..819d5ca 100644
> --- a/doc/lxc-info.sgml.in
> +++ b/doc/lxc-info.sgml.in
> @@ -51,6 +51,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
> MA 02110-1301 USA
> <arg choice="opt">-c <replaceable>KEY</replaceable></arg>
> <arg choice="opt">-s</arg>
> <arg choice="opt">-p</arg>
> + <arg choice="opt">-i</arg>
> <arg choice="opt">-t <replaceable>state</replaceable></arg>
> </cmdsynopsis>
> </refsynopsisdiv>
> @@ -114,6 +115,17 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor,
> Boston, MA 02110-1301 USA
>
> <varlistentry>
> <term>
> + <option><optional>-i</optional></option>
> + </term>
> + <listitem>
> + <para>
> + Just print the container's IP addresses.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> + <varlistentry>
> + <term>
> <option><optional>-t
> <replaceable>state</replaceable></optional></option>
> </term>
> <listitem>
> diff --git a/src/lxc/lxc_info.c b/src/lxc/lxc_info.c
> index ab3aacf..23cf789 100644
> --- a/src/lxc/lxc_info.c
> +++ b/src/lxc/lxc_info.c
> @@ -20,6 +20,7 @@
> * License along with this library; if not, write to the Free Software
> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
> USA
> */
> +
> #include <stdio.h>
> #include <stdbool.h>
> #include <stdlib.h>
> @@ -34,6 +35,7 @@
> #include "commands.h"
> #include "arguments.h"
>
> +static bool ips;
> static bool state;
> static bool pid;
> static char *test_state = NULL;
> @@ -48,6 +50,7 @@ static int my_parser(struct lxc_arguments* args, int c,
> char* arg)
> key[keys] = arg;
> keys++;
> break;
> + case 'i': ips = true; break;
> case 's': state = true; break;
> case 'p': pid = true; break;
> case 't': test_state = arg; break;
> @@ -57,6 +60,7 @@ static int my_parser(struct lxc_arguments* args, int c,
> char* arg)
>
> static const struct option my_longopts[] = {
> {"config", required_argument, 0, 'c'},
> + {"ips", no_argument, 0, 'i'},
> {"state", no_argument, 0, 's'},
> {"pid", no_argument, 0, 'p'},
> {"state-is", required_argument, 0, 't'},
> @@ -73,6 +77,7 @@ lxc-info display some information about a container with
> the identifier NAME\n\
> Options :\n\
> -n, --name=NAME NAME for name of the container\n\
> -c, --config=KEY show configuration variable KEY from running
> container\n\
> + -i, --ips shows the IP addresses\n\
> -p, --pid shows the process id of the init container\n\
> -s, --state shows the state of the container\n\
> -t, --state-is=STATE test if current state is STATE\n\
> @@ -99,14 +104,14 @@ int main(int argc, char *argv[])
> if (!c)
> return -1;
>
> - if (!state && !pid && keys <= 0)
> - state = pid = true;
> + if (!state && !pid && !ips && keys <= 0)
> + state = pid = ips = true;
>
> if (state || test_state) {
> if (test_state)
> return strcmp(c->state(c), test_state) != 0;
>
> - printf("state:%10s\n", c->state(c));
> + printf("state: \t%s\n", c->state(c));
> }
>
> if (pid) {
> @@ -114,7 +119,18 @@ int main(int argc, char *argv[])
>
> initpid = c->init_pid(c);
> if (initpid >= 0)
> - printf("pid:%10d\n", initpid);
> + printf("pid: \t%d\n", initpid);
> + }
> +
> + if (ips) {
> + char **addresses = c->get_ips(c, NULL, NULL, 0);
> + char *address;
> + i = 0;
> + while (addresses[i]) {
> + address = addresses[i];
> + printf("ip: \t%s\n", address);
> + i++;
> + }
> }
>
> for(i = 0; i < keys; i++) {
> --
> 1.8.3.2
>
>
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