[libvirt] [PATCH 2/3] network: add more debugging of firewall chain creation

[Jim Fehlig]

On 5/22/19 6:29 AM, Daniel P. Berrangé wrote:
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
>   src/network/bridge_driver_linux.c | 18 ++++++++++++++++--
>   1 file changed, 16 insertions(+), 2 deletions(-)

The additional debug messages proved helpful while testing the patches!

Reviewed-by: Jim Fehlig <jfehlig at suse.com>

Regards,
Jim

> 
> diff --git a/src/network/bridge_driver_linux.c b/src/network/bridge_driver_linux.c
> index 0d849173b2..2b29363f3c 100644
> --- a/src/network/bridge_driver_linux.c
> +++ b/src/network/bridge_driver_linux.c
> @@ -45,28 +45,42 @@ static void networkSetupPrivateChains(void)
>   {
>       int rc;
>   
> +    VIR_DEBUG("Setting up global firewall chains");
> +
>       createdChains = false;
>   
>       rc = iptablesSetupPrivateChains(VIR_FIREWALL_LAYER_IPV4);
>       if (rc < 0) {
> +        VIR_DEBUG("Failed to create global IPv4 chains: %s",
> +                  virGetLastErrorMessage());
>           errInitV4 = virSaveLastError();
>           virResetLastError();
>       } else {
>           virFreeError(errInitV4);
>           errInitV4 = NULL;
> -        if (rc)
> +        if (rc) {
> +            VIR_DEBUG("Created global IPv4 chains");
>               createdChains = true;
> +        } else {
> +            VIR_DEBUG("Global IPv4 chains already exist");
> +        }
>       }
>   
>       rc = iptablesSetupPrivateChains(VIR_FIREWALL_LAYER_IPV6);
>       if (rc < 0) {
> +        VIR_DEBUG("Failed to create global IPv6 chains: %s",
> +                  virGetLastErrorMessage());
>           errInitV6 = virSaveLastError();
>           virResetLastError();
>       } else {
>           virFreeError(errInitV6);
>           errInitV6 = NULL;
> -        if (rc)
> +        if (rc) {
> +            VIR_DEBUG("Created global IPv6 chains");
>               createdChains = true;
> +        } else {
> +            VIR_DEBUG("Global IPv6 chains already exist");
> +        }
>       }
>   }
>   
>