[libvirt] [PATCH 2/2] vz: added VIR_MIGRATE_PARAM_BANDWIDTH param handling

Maxim Nestratov mnestratov at virtuozzo.com
Fri Aug 26 11:26:03 UTC 2016


25-Aug-16 17:00, Pavel Glushchak пишет:

> libvirt-python passes parameter bandwidth = 0
> by default. This means that bandwidth is unlimited.
> VZ driver doesn't support bandwidth rate limiting,
> but we still need to handle it and fail if bandwidth > 0.
>
> Signed-off-by: Pavel Glushchak <pglushchak at virtuozzo.com>
> ---
>   src/vz/vz_driver.c | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
>
> diff --git a/src/vz/vz_driver.c b/src/vz/vz_driver.c
> index 7a12632..4a0068c 100644
> --- a/src/vz/vz_driver.c
> +++ b/src/vz/vz_driver.c
> @@ -2897,6 +2897,7 @@ vzEatCookie(const char *cookiein, int cookieinlen, unsigned int flags)
>       VIR_MIGRATE_PARAM_DEST_XML,         VIR_TYPED_PARAM_STRING, \
>       VIR_MIGRATE_PARAM_URI,              VIR_TYPED_PARAM_STRING, \
>       VIR_MIGRATE_PARAM_DEST_NAME,        VIR_TYPED_PARAM_STRING, \
> +    VIR_MIGRATE_PARAM_BANDWIDTH,        VIR_TYPED_PARAM_ULLONG, \
>       NULL
>   
>   static char *
> @@ -2938,12 +2939,23 @@ vzDomainMigrateBegin3Params(virDomainPtr domain,
>       char *xml = NULL;
>       virDomainObjPtr dom = NULL;
>       vzConnPtr privconn = domain->conn->privateData;
> +    unsigned long long bandwidth = 0;
>   
>       virCheckFlags(VZ_MIGRATION_FLAGS, NULL);
>   
>       if (virTypedParamsValidate(params, nparams, VZ_MIGRATION_PARAMETERS) < 0)
>           goto cleanup;
>   
> +    if (virTypedParamsGetULLong(params, nparams, VIR_MIGRATE_PARAM_BANDWIDTH,
> +                                &bandwidth) < 0)
> +        goto cleanup;
> +
> +    if (bandwidth > 0) {
> +        virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
> +                       _("Bandwidth rate limiting is not supported"));
> +        goto cleanup;
> +    }
> +
>       if (!(dom = vzDomObjFromDomain(domain)))
>           goto cleanup;
>   

ACK




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