Re: [ovs-dev] [PATCH v2] ovn-nbctl: Fix the ovn-nbctl test "LBs - daemon" which fails during rpm build

2018-10-23 Thread Ben Pfaff
On Tue, Oct 23, 2018 at 11:24:39PM +0530, Numan Siddique wrote:
> On Tue, Oct 23, 2018 at 10:20 PM Ben Pfaff  wrote:
> 
> > On Tue, Oct 23, 2018 at 09:49:15AM -0700, Ben Pfaff wrote:
> > > On Tue, Oct 23, 2018 at 11:48:58AM +0530, nusid...@redhat.com wrote:
> > > > From: Numan Siddique 
> > > >
> > > > The test "ovn-nbctl: LBs - daemon" fails when it runs the command
> > > > "ovn-nbctl lb-add lb0 30.0.0.1a 192.168.10.10:80,192.168.10.20:80".
> > ovn-nbctl
> > > > extracts the vip by calling the socket util function
> > 'inet_parse_active()',
> > > > and this function blocks when it calls dns_resolve(). It blocks because
> > > > networking is disabled with mock rpm build. Why dns_resolve() blocks,
> > needs
> > > > to be investigated and fixed there. But to unblock this issue quickly,
> > this
> > > > patch provides a fix in OVS itself.
> > > >
> > > > This patch adds a new function - inet_parse_active_address_and_port()
> > which
> > > > expects IP:[port] address in the 'target_' argument and disables
> > resolving
> > > > the host.
> > > >
> > > > This new function is now used in ovn-northd, ovn-nbctl and ovn-trace.
> > It is fine
> > > > to use this function as load balancer VIP cannot be a hostname.
> > > >
> > > > Reported-by: Timothy Redaelli 
> > > > Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1641672
> > > > Tested-by: Timothy Redaelli 
> > > > Signed-off-by: Numan Siddique 
> > > > ---
> > > >
> > > > v1 -> v2
> > > > ---
> > > >   * Addressed review comments from Mark
> > > >  - Updated the documentation of the inet_parse_active()
> > > >  - Used the new function inet_parse_active_address_and_port()
> > > >in ovn-trace
> > >
> > > I don't understand the function naming here.  Why would one expect a
> > > function with the name inet_parse_active_address_and_port() to not
> > > accept DNS names whereas the function inet_parse_active() does?
> >
> >
> Sorry for the bad naming.
> 
> 
> > Also why can't we investigate why dns_resolve() blocks?
> >
> 
> Sorry. My bad. I didn't realize that dns_resolve() is a native ovs
> function. I will investigate
> why that function blocks.

Thanks.
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Re: [ovs-dev] [PATCH v2] ovn-nbctl: Fix the ovn-nbctl test "LBs - daemon" which fails during rpm build

2018-10-23 Thread Numan Siddique
On Tue, Oct 23, 2018 at 10:20 PM Ben Pfaff  wrote:

> On Tue, Oct 23, 2018 at 09:49:15AM -0700, Ben Pfaff wrote:
> > On Tue, Oct 23, 2018 at 11:48:58AM +0530, nusid...@redhat.com wrote:
> > > From: Numan Siddique 
> > >
> > > The test "ovn-nbctl: LBs - daemon" fails when it runs the command
> > > "ovn-nbctl lb-add lb0 30.0.0.1a 192.168.10.10:80,192.168.10.20:80".
> ovn-nbctl
> > > extracts the vip by calling the socket util function
> 'inet_parse_active()',
> > > and this function blocks when it calls dns_resolve(). It blocks because
> > > networking is disabled with mock rpm build. Why dns_resolve() blocks,
> needs
> > > to be investigated and fixed there. But to unblock this issue quickly,
> this
> > > patch provides a fix in OVS itself.
> > >
> > > This patch adds a new function - inet_parse_active_address_and_port()
> which
> > > expects IP:[port] address in the 'target_' argument and disables
> resolving
> > > the host.
> > >
> > > This new function is now used in ovn-northd, ovn-nbctl and ovn-trace.
> It is fine
> > > to use this function as load balancer VIP cannot be a hostname.
> > >
> > > Reported-by: Timothy Redaelli 
> > > Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1641672
> > > Tested-by: Timothy Redaelli 
> > > Signed-off-by: Numan Siddique 
> > > ---
> > >
> > > v1 -> v2
> > > ---
> > >   * Addressed review comments from Mark
> > >  - Updated the documentation of the inet_parse_active()
> > >  - Used the new function inet_parse_active_address_and_port()
> > >in ovn-trace
> >
> > I don't understand the function naming here.  Why would one expect a
> > function with the name inet_parse_active_address_and_port() to not
> > accept DNS names whereas the function inet_parse_active() does?
>
>
Sorry for the bad naming.


> Also why can't we investigate why dns_resolve() blocks?
>

Sorry. My bad. I didn't realize that dns_resolve() is a native ovs
function. I will investigate
why that function blocks.

Thanks
Numan
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Re: [ovs-dev] [PATCH v2] ovn-nbctl: Fix the ovn-nbctl test "LBs - daemon" which fails during rpm build

2018-10-23 Thread Ben Pfaff
On Tue, Oct 23, 2018 at 09:49:15AM -0700, Ben Pfaff wrote:
> On Tue, Oct 23, 2018 at 11:48:58AM +0530, nusid...@redhat.com wrote:
> > From: Numan Siddique 
> > 
> > The test "ovn-nbctl: LBs - daemon" fails when it runs the command
> > "ovn-nbctl lb-add lb0 30.0.0.1a 192.168.10.10:80,192.168.10.20:80". 
> > ovn-nbctl
> > extracts the vip by calling the socket util function 'inet_parse_active()',
> > and this function blocks when it calls dns_resolve(). It blocks because
> > networking is disabled with mock rpm build. Why dns_resolve() blocks, needs
> > to be investigated and fixed there. But to unblock this issue quickly, this
> > patch provides a fix in OVS itself.
> > 
> > This patch adds a new function - inet_parse_active_address_and_port() which
> > expects IP:[port] address in the 'target_' argument and disables resolving
> > the host.
> > 
> > This new function is now used in ovn-northd, ovn-nbctl and ovn-trace. It is 
> > fine
> > to use this function as load balancer VIP cannot be a hostname.
> > 
> > Reported-by: Timothy Redaelli 
> > Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1641672
> > Tested-by: Timothy Redaelli 
> > Signed-off-by: Numan Siddique 
> > ---
> > 
> > v1 -> v2
> > ---
> >   * Addressed review comments from Mark
> >  - Updated the documentation of the inet_parse_active()
> >  - Used the new function inet_parse_active_address_and_port()
> >in ovn-trace
> 
> I don't understand the function naming here.  Why would one expect a
> function with the name inet_parse_active_address_and_port() to not
> accept DNS names whereas the function inet_parse_active() does?

Also why can't we investigate why dns_resolve() blocks?
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Re: [ovs-dev] [PATCH v2] ovn-nbctl: Fix the ovn-nbctl test "LBs - daemon" which fails during rpm build

2018-10-23 Thread Ben Pfaff
On Tue, Oct 23, 2018 at 11:48:58AM +0530, nusid...@redhat.com wrote:
> From: Numan Siddique 
> 
> The test "ovn-nbctl: LBs - daemon" fails when it runs the command
> "ovn-nbctl lb-add lb0 30.0.0.1a 192.168.10.10:80,192.168.10.20:80". ovn-nbctl
> extracts the vip by calling the socket util function 'inet_parse_active()',
> and this function blocks when it calls dns_resolve(). It blocks because
> networking is disabled with mock rpm build. Why dns_resolve() blocks, needs
> to be investigated and fixed there. But to unblock this issue quickly, this
> patch provides a fix in OVS itself.
> 
> This patch adds a new function - inet_parse_active_address_and_port() which
> expects IP:[port] address in the 'target_' argument and disables resolving
> the host.
> 
> This new function is now used in ovn-northd, ovn-nbctl and ovn-trace. It is 
> fine
> to use this function as load balancer VIP cannot be a hostname.
> 
> Reported-by: Timothy Redaelli 
> Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1641672
> Tested-by: Timothy Redaelli 
> Signed-off-by: Numan Siddique 
> ---
> 
> v1 -> v2
> ---
>   * Addressed review comments from Mark
>  - Updated the documentation of the inet_parse_active()
>  - Used the new function inet_parse_active_address_and_port()
>in ovn-trace

I don't understand the function naming here.  Why would one expect a
function with the name inet_parse_active_address_and_port() to not
accept DNS names whereas the function inet_parse_active() does?
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