Date   

Re: Allow gorouter to log random headers.

David Laing
 

Shannon,

Understood. PR for "as an operator of Cloud Foundry, I want to enable
logging of specified headers for all applications." coming up.

Experience will tell whether there are any sensible defaults; but we can
leave that for a future enhancement of this functionality.

Regards

David

On 28 July 2015 at 03:54, Shannon Coen <scoen(a)pivotal.io> wrote:

Thank you, James. That helps.

What bothered me about this thread was that the use case was presented as,
"as an unspecified persona, I want to customize the multi-tenant router to
log specified headers for a few apps". This is troubling.

Instead it sounds like the use case is "as an operator of Cloud Foundry, I
want to enable logging of specified headers for all applications." This is
more compelling.

I'm skeptical that this manifest property should have a default. Who's to
say what the minimum list of "sensible" defaults is? Does WAKAWAKA make the
cut? j/k.

We'll take a PR.

Shannon Coen
Product Manager, Cloud Foundry
Pivotal, Inc.

On Fri, Jul 24, 2015 at 8:46 AM, David Laing <david(a)davidlaing.com> wrote:

James,

Yep - we're pretty much on the same page.

Only addition I would ask for is that the whitelist contain some
"sensible" defaults (eg, Trace-Id, Span-Id) that are switched on by
default; since then tight integration with tools like spring-cloud /
buildpacks would work out the box.

D

On 24 July 2015 at 16:26, James Bayer <jbayer(a)pivotal.io> wrote:

shannon,

from what i'm reading here about the use case, the main interest is that
a CF operator knows that their cf installation is more deeply integrated
with a specific log parsing solution for all/many apps on that platform
that choose to use it (whether than is ELK, Zipkin, etc). it does not sound
like it is a special case with lots of variation by many different app
teams on the cf installation. rather, it sounds like this is most likely to
be used as an installation-wide option to enhance the app developer / app
operations experience.

it seems like an operator configured whitelist set of headers that get
logged with the RTR message satisfies the current needs well and is
reasonable.

if we were to find that in the future lots of variation and different
app teams on the same CF wanted to have the RTR tier log many different
headers in the access log, then we could enhance the "log the whitelist of
headers to the access log" capability to be exposed to a limited number of
headers that each route could be configured by developers to specify that
would apply in addition to the operator configured logged headers. but it
sounds like that isn't needed right now.

simon/david, did i summarize this correctly?

On Fri, Jul 24, 2015 at 7:23 AM, Simon Johansson <
simon(a)simonjohansson.com> wrote:

If I understand correctly, you're proposing that an operator of
CloudFoundry configure GoRouter, which is a multi-tenant, shared service,
with knowledge specific to one or a few applications

That is indeed the proposal. In my org we work closely with the
different development streams to provide a good out of the box experience
by creating certain opt-in features that makes their life easier. This
would be one of those features, if you pass certain headers in your
requests thats standardised across the entire online organisation you will
be able to query for them in Kibana.
I understand that this is not the case in all environments.

If GoRouter logged whatever headers were included in the request,
wouldn't this satisfy your requirements?

This would indeed satisfy my requests, but as David points out("However,
not having a whitelist of headers to log opens a possible DDOS attack
vector on the GoRouter") it might now be appropriate.

Based on what you've described, the persona is the app developer.
Not necessarily, we operators are also very interested in certain
headers.

so control of what is logged should be in their hands.
If one via the API could set headers that should be logged for an org,
space or application that would be magical. The need for a list of
"must-log-all-these-headers" would still be there I think as not to have to
maintain a list of these standardised headers across different objects.


On Thu, Jul 23, 2015 at 10:51 PM, Shannon Coen <scoen(a)pivotal.io>
wrote:

This is not something that would be merged, as originally proposed,
without additional investigation and discussion.

If I understand correctly, you're proposing that an operator of
CloudFoundry configure GoRouter, which is a multi-tenant, shared service,
with knowledge specific to one or a few applications. This should not be an
operator responsibility, nor should the solution be specific to one or a
few applications.

The goal is "the flexibility of being able to annotate our logs with
what we consider to be important for our debugging purposes." More
specifically you're requesting logging of headers. Do you have a preference?

If GoRouter logged whatever headers were included in the request,
wouldn't this satisfy your requirements? Doesn't GoRouter do this already?

I'm interested in solving your requirement generically for all
applications, and focussing the user experience on the correct persona.
Based on what you've described, the persona is the app developer, so
control of what is logged should be in their hands. I'm also not convinced
GoRouter should have any knowledge of headers specific to one application
or another.





Shannon Coen
Product Manager, Cloud Foundry
Pivotal, Inc.

On Wed, Jul 22, 2015 at 3:05 AM, Alex Lomov <
alexander.lomov(a)altoros.com> wrote:

Some time ago routing services were discussed on a CAB [1]. Here is a
description of this proposal.

Do you think that using such service will allow your developers to
cover this requirements?

[1]
http://www.activestate.com/blog/2015/02/cloud-foundry-advisory-board-meeting-2015-february
[2]
https://docs.google.com/document/d/1bGOQxiKkmaw6uaRWGd-sXpxL0Y28d3QihcluI15FiIA/edit#heading=h.8djffzes9pnb

On Jul 21, 2015, at 4:06 PM, Simon Johansson <
simon(a)simonjohansson.com> wrote:

Howdie!

We have some devs who want to be able to trace a request troughout
their applications.

user -> a -> b -> c
|
|-> d -> e

When a user makes a request to "a" uuid is generated inside the app,
and the request to "b" from "a" will set a header(call it WAKAWAKA to
uuid), "b"'s call will passthrough WAKAWAKA to "c" and "d", "d" will
passthrough WAKAWAKA to "e". Etc.

We aggregate all RTR logs into ELK so it would be super helpful to
them to be able to filter on WAKAWAKA and get all the access logs(and app
logs aswell, they mostly use GELF so its easy for them to add whatewher
field they want) from the services involved.

I had a quick peek at the gorouter(
https://github.com/cloudfoundry/gorouter/blob/76668f5818ea8c089ff52a14fcdfbf703c8e8767/access_log/access_log_record.go#L40)
and it seems like this should be a simple PR.

1. To gorouter.yml add
passthrough_headers:
- WAKAWAKA
- X-Random-Header

2. In makeRecord at the bottom add something like(in psuedo)

data = {}
for header in passthrough_headers:
header_val = r.FormatRequestHeader("X-Forwarded-For")
if header_val:
passthrough_headers[header] = header_val

if data:
fmt.Fprintf(b, data.to_stringified_json())

That would yield a log line like
blurgh.dev.cf.private.domain.com - [21/07/2015:10:17:05 +0000] "GET
/statements?ascending=true&since=2015-06-30T14%3A10%3A03.078Z&skipStatementId=30a88204-0779-4385-9859-e4aabd30baf0
HTTP/1.1" 200 0 17 "-" "NING/1.0" 10.230.31.2:46204
x_forwarded_for:"-" vcap_request_id:1e58195a-cde6-4afd-7f03-43061c9ea91c
response_time:0.004927106 app_id:9784cd03-050d-4b74-9e90-5f17134a3f08
{"WAKAWAKA": "Space is the place", "X-Random-Header": "Once upon a midnight
dreary, while I pondered weak and weary"}

The reason for a stringified JSON is to make it easy to parse with
logstash or other loganalysis tools.

Before I spend time implementing, is this something you would merge?
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Thank you,

James Bayer

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David Laing
logsearch.io - build your own open source cloud logging cluster
http://davidlaing.com

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Re: cflinuxfs2 stack not fount under v210.2 release

Yitao Jiang
 

What weird is that it happens occasionally, and i had pushed java, nodejs,
pyton application with community buildpacks.
Yes, it's at staging level. I'll paste logs here when failed again.
Thank you


On Tue, Jul 28, 2015 at 11:12 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

Btw when the error "*cflinuxfs2 stack not found" come ? At the staging
level ? do you have some log?*
*Which buildpack are you using and so on ..*

On Tue, Jul 28, 2015 at 12:10 PM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

This is the output:


Getting stacks in org org / space ace as ***@*****...
OK
name description
cflinuxfs2 Ubuntu 14.04.2 trusty


On Tue, Jul 28, 2015 at 11:05 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

What cf stacks command give you ?

On Tue, Jul 28, 2015 at 11:55 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

​We built our own release using community source code, and he just told
me that using cf-210002.
I know that the stack are install during the deployment and i just
verify that all deas have installed cflinusfs2 stack.

On Tue, Jul 28, 2015 at 10:07 AM, Gwenn Etourneau <
getourneau(a)pivotal.io> wrote:

I mean which version are the DEA ? the stack do not live in the
stemcell ... The stack are install during the deployment

On Tue, Jul 28, 2015 at 11:04 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Yes,all deas are built from same stemcell, all with fresh
installation


+-------------------------------------------+---------+--------------------------------------+
| Name | Version | CID
|

+-------------------------------------------+---------+--------------------------------------+
| bosh-openstack-kvm-ubuntu-trusty-go_agent | 2978* |
bc3592a8-64fd-44b1-a9c0-797953f86e13 |

+-------------------------------------------+---------+--------------------------------------+

(*) Currently in-use


On Tue, Jul 28, 2015 at 9:42 AM, Gwenn Etourneau <
getourneau(a)pivotal.io> wrote:

Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.



On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Hi,

Does any body ever have the problem of deploying application failed
in *cflinuxfs2 stack not found?*
we deployed v210.2 release and occasionally it failed in*
cflinuxfs2 not found* when deploying. It's weird that the nats
with 2 nodes all works fine, i can manually received the msgs distributed
among the cluster.

Regards,

Yitao
jiangyt.github.io

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Regards,

Yitao
jiangyt.github.io

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Yitao
jiangyt.github.io

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Yitao
jiangyt.github.io

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jiangyt.github.io


Re: cflinuxfs2 stack not fount under v210.2 release

Gwenn Etourneau
 

Btw when the error "*cflinuxfs2 stack not found" come ? At the staging
level ? do you have some log?*
*Which buildpack are you using and so on ..*

On Tue, Jul 28, 2015 at 12:10 PM, Yitao Jiang <jiangyt.cn(a)gmail.com> wrote:

This is the output:


Getting stacks in org org / space ace as ***@*****...
OK
name description
cflinuxfs2 Ubuntu 14.04.2 trusty


On Tue, Jul 28, 2015 at 11:05 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

What cf stacks command give you ?

On Tue, Jul 28, 2015 at 11:55 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

​We built our own release using community source code, and he just told
me that using cf-210002.
I know that the stack are install during the deployment and i just
verify that all deas have installed cflinusfs2 stack.

On Tue, Jul 28, 2015 at 10:07 AM, Gwenn Etourneau <getourneau(a)pivotal.io
wrote:
I mean which version are the DEA ? the stack do not live in the
stemcell ... The stack are install during the deployment

On Tue, Jul 28, 2015 at 11:04 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Yes,all deas are built from same stemcell, all with fresh installation


+-------------------------------------------+---------+--------------------------------------+
| Name | Version | CID
|

+-------------------------------------------+---------+--------------------------------------+
| bosh-openstack-kvm-ubuntu-trusty-go_agent | 2978* |
bc3592a8-64fd-44b1-a9c0-797953f86e13 |

+-------------------------------------------+---------+--------------------------------------+

(*) Currently in-use


On Tue, Jul 28, 2015 at 9:42 AM, Gwenn Etourneau <
getourneau(a)pivotal.io> wrote:

Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.



On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Hi,

Does any body ever have the problem of deploying application failed
in *cflinuxfs2 stack not found?*
we deployed v210.2 release and occasionally it failed in*
cflinuxfs2 not found* when deploying. It's weird that the nats with
2 nodes all works fine, i can manually received the msgs distributed among
the cluster.

Regards,

Yitao
jiangyt.github.io

_______________________________________________
cf-dev mailing list
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https://lists.cloudfoundry.org/mailman/listinfo/cf-dev

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--

Regards,

Yitao
jiangyt.github.io

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--

Regards,

Yitao
jiangyt.github.io

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--

Regards,

Yitao
jiangyt.github.io

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Re: cflinuxfs2 stack not fount under v210.2 release

Yitao Jiang
 

This is the output:


Getting stacks in org org / space ace as ***@*****...
OK
name description
cflinuxfs2 Ubuntu 14.04.2 trusty


On Tue, Jul 28, 2015 at 11:05 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

What cf stacks command give you ?

On Tue, Jul 28, 2015 at 11:55 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

​We built our own release using community source code, and he just told
me that using cf-210002.
I know that the stack are install during the deployment and i just verify
that all deas have installed cflinusfs2 stack.

On Tue, Jul 28, 2015 at 10:07 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

I mean which version are the DEA ? the stack do not live in the stemcell
... The stack are install during the deployment

On Tue, Jul 28, 2015 at 11:04 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Yes,all deas are built from same stemcell, all with fresh installation


+-------------------------------------------+---------+--------------------------------------+
| Name | Version | CID
|

+-------------------------------------------+---------+--------------------------------------+
| bosh-openstack-kvm-ubuntu-trusty-go_agent | 2978* |
bc3592a8-64fd-44b1-a9c0-797953f86e13 |

+-------------------------------------------+---------+--------------------------------------+

(*) Currently in-use


On Tue, Jul 28, 2015 at 9:42 AM, Gwenn Etourneau <getourneau(a)pivotal.io
wrote:
Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.



On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Hi,

Does any body ever have the problem of deploying application failed
in *cflinuxfs2 stack not found?*
we deployed v210.2 release and occasionally it failed in* cflinuxfs2
not found* when deploying. It's weird that the nats with 2 nodes all
works fine, i can manually received the msgs distributed among the cluster.

Regards,

Yitao
jiangyt.github.io

_______________________________________________
cf-dev mailing list
cf-dev(a)lists.cloudfoundry.org
https://lists.cloudfoundry.org/mailman/listinfo/cf-dev

_______________________________________________
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--

Regards,

Yitao
jiangyt.github.io

_______________________________________________
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--

Regards,

Yitao
jiangyt.github.io

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Regards,

Yitao
jiangyt.github.io


Re: cflinuxfs2 stack not fount under v210.2 release

Gwenn Etourneau
 

What cf stacks command give you ?

On Tue, Jul 28, 2015 at 11:55 AM, Yitao Jiang <jiangyt.cn(a)gmail.com> wrote:

​We built our own release using community source code, and he just told me
that using cf-210002.
I know that the stack are install during the deployment and i just verify
that all deas have installed cflinusfs2 stack.

On Tue, Jul 28, 2015 at 10:07 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

I mean which version are the DEA ? the stack do not live in the stemcell
... The stack are install during the deployment

On Tue, Jul 28, 2015 at 11:04 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Yes,all deas are built from same stemcell, all with fresh installation


+-------------------------------------------+---------+--------------------------------------+
| Name | Version | CID
|

+-------------------------------------------+---------+--------------------------------------+
| bosh-openstack-kvm-ubuntu-trusty-go_agent | 2978* |
bc3592a8-64fd-44b1-a9c0-797953f86e13 |

+-------------------------------------------+---------+--------------------------------------+

(*) Currently in-use


On Tue, Jul 28, 2015 at 9:42 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.



On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Hi,

Does any body ever have the problem of deploying application failed in *cflinuxfs2
stack not found?*
we deployed v210.2 release and occasionally it failed in* cflinuxfs2
not found* when deploying. It's weird that the nats with 2 nodes all
works fine, i can manually received the msgs distributed among the cluster.

Regards,

Yitao
jiangyt.github.io

_______________________________________________
cf-dev mailing list
cf-dev(a)lists.cloudfoundry.org
https://lists.cloudfoundry.org/mailman/listinfo/cf-dev

_______________________________________________
cf-dev mailing list
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https://lists.cloudfoundry.org/mailman/listinfo/cf-dev


--

Regards,

Yitao
jiangyt.github.io

_______________________________________________
cf-dev mailing list
cf-dev(a)lists.cloudfoundry.org
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_______________________________________________
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--

Regards,

Yitao
jiangyt.github.io

_______________________________________________
cf-dev mailing list
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Re: cflinuxfs2 stack not fount under v210.2 release

Yitao Jiang
 

​We built our own release using community source code, and he just told me
that using cf-210002.
I know that the stack are install during the deployment and i just verify
that all deas have installed cflinusfs2 stack.

On Tue, Jul 28, 2015 at 10:07 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

I mean which version are the DEA ? the stack do not live in the stemcell
... The stack are install during the deployment

On Tue, Jul 28, 2015 at 11:04 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Yes,all deas are built from same stemcell, all with fresh installation


+-------------------------------------------+---------+--------------------------------------+
| Name | Version | CID
|

+-------------------------------------------+---------+--------------------------------------+
| bosh-openstack-kvm-ubuntu-trusty-go_agent | 2978* |
bc3592a8-64fd-44b1-a9c0-797953f86e13 |

+-------------------------------------------+---------+--------------------------------------+

(*) Currently in-use


On Tue, Jul 28, 2015 at 9:42 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.



On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Hi,

Does any body ever have the problem of deploying application failed in *cflinuxfs2
stack not found?*
we deployed v210.2 release and occasionally it failed in* cflinuxfs2
not found* when deploying. It's weird that the nats with 2 nodes all
works fine, i can manually received the msgs distributed among the cluster.

Regards,

Yitao
jiangyt.github.io

_______________________________________________
cf-dev mailing list
cf-dev(a)lists.cloudfoundry.org
https://lists.cloudfoundry.org/mailman/listinfo/cf-dev

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--

Regards,

Yitao
jiangyt.github.io

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Regards,

Yitao
jiangyt.github.io


Re: Allow gorouter to log random headers.

Shannon Coen
 

Thank you, James. That helps.

What bothered me about this thread was that the use case was presented as,
"as an unspecified persona, I want to customize the multi-tenant router to
log specified headers for a few apps". This is troubling.

Instead it sounds like the use case is "as an operator of Cloud Foundry, I
want to enable logging of specified headers for all applications." This is
more compelling.

I'm skeptical that this manifest property should have a default. Who's to
say what the minimum list of "sensible" defaults is? Does WAKAWAKA make the
cut? j/k.

We'll take a PR.

Shannon Coen
Product Manager, Cloud Foundry
Pivotal, Inc.

On Fri, Jul 24, 2015 at 8:46 AM, David Laing <david(a)davidlaing.com> wrote:

James,

Yep - we're pretty much on the same page.

Only addition I would ask for is that the whitelist contain some
"sensible" defaults (eg, Trace-Id, Span-Id) that are switched on by
default; since then tight integration with tools like spring-cloud /
buildpacks would work out the box.

D

On 24 July 2015 at 16:26, James Bayer <jbayer(a)pivotal.io> wrote:

shannon,

from what i'm reading here about the use case, the main interest is that
a CF operator knows that their cf installation is more deeply integrated
with a specific log parsing solution for all/many apps on that platform
that choose to use it (whether than is ELK, Zipkin, etc). it does not sound
like it is a special case with lots of variation by many different app
teams on the cf installation. rather, it sounds like this is most likely to
be used as an installation-wide option to enhance the app developer / app
operations experience.

it seems like an operator configured whitelist set of headers that get
logged with the RTR message satisfies the current needs well and is
reasonable.

if we were to find that in the future lots of variation and different app
teams on the same CF wanted to have the RTR tier log many different headers
in the access log, then we could enhance the "log the whitelist of headers
to the access log" capability to be exposed to a limited number of headers
that each route could be configured by developers to specify that would
apply in addition to the operator configured logged headers. but it sounds
like that isn't needed right now.

simon/david, did i summarize this correctly?

On Fri, Jul 24, 2015 at 7:23 AM, Simon Johansson <
simon(a)simonjohansson.com> wrote:

If I understand correctly, you're proposing that an operator of
CloudFoundry configure GoRouter, which is a multi-tenant, shared service,
with knowledge specific to one or a few applications

That is indeed the proposal. In my org we work closely with the
different development streams to provide a good out of the box experience
by creating certain opt-in features that makes their life easier. This
would be one of those features, if you pass certain headers in your
requests thats standardised across the entire online organisation you will
be able to query for them in Kibana.
I understand that this is not the case in all environments.

If GoRouter logged whatever headers were included in the request,
wouldn't this satisfy your requirements?

This would indeed satisfy my requests, but as David points out("However,
not having a whitelist of headers to log opens a possible DDOS attack
vector on the GoRouter") it might now be appropriate.

Based on what you've described, the persona is the app developer.
Not necessarily, we operators are also very interested in certain
headers.

so control of what is logged should be in their hands.
If one via the API could set headers that should be logged for an org,
space or application that would be magical. The need for a list of
"must-log-all-these-headers" would still be there I think as not to have to
maintain a list of these standardised headers across different objects.


On Thu, Jul 23, 2015 at 10:51 PM, Shannon Coen <scoen(a)pivotal.io> wrote:

This is not something that would be merged, as originally proposed,
without additional investigation and discussion.

If I understand correctly, you're proposing that an operator of
CloudFoundry configure GoRouter, which is a multi-tenant, shared service,
with knowledge specific to one or a few applications. This should not be an
operator responsibility, nor should the solution be specific to one or a
few applications.

The goal is "the flexibility of being able to annotate our logs with
what we consider to be important for our debugging purposes." More
specifically you're requesting logging of headers. Do you have a preference?

If GoRouter logged whatever headers were included in the request,
wouldn't this satisfy your requirements? Doesn't GoRouter do this already?

I'm interested in solving your requirement generically for all
applications, and focussing the user experience on the correct persona.
Based on what you've described, the persona is the app developer, so
control of what is logged should be in their hands. I'm also not convinced
GoRouter should have any knowledge of headers specific to one application
or another.





Shannon Coen
Product Manager, Cloud Foundry
Pivotal, Inc.

On Wed, Jul 22, 2015 at 3:05 AM, Alex Lomov <
alexander.lomov(a)altoros.com> wrote:

Some time ago routing services were discussed on a CAB [1]. Here is a
description of this proposal.

Do you think that using such service will allow your developers to
cover this requirements?

[1]
http://www.activestate.com/blog/2015/02/cloud-foundry-advisory-board-meeting-2015-february
[2]
https://docs.google.com/document/d/1bGOQxiKkmaw6uaRWGd-sXpxL0Y28d3QihcluI15FiIA/edit#heading=h.8djffzes9pnb

On Jul 21, 2015, at 4:06 PM, Simon Johansson <simon(a)simonjohansson.com>
wrote:

Howdie!

We have some devs who want to be able to trace a request troughout
their applications.

user -> a -> b -> c
|
|-> d -> e

When a user makes a request to "a" uuid is generated inside the app,
and the request to "b" from "a" will set a header(call it WAKAWAKA to
uuid), "b"'s call will passthrough WAKAWAKA to "c" and "d", "d" will
passthrough WAKAWAKA to "e". Etc.

We aggregate all RTR logs into ELK so it would be super helpful to
them to be able to filter on WAKAWAKA and get all the access logs(and app
logs aswell, they mostly use GELF so its easy for them to add whatewher
field they want) from the services involved.

I had a quick peek at the gorouter(
https://github.com/cloudfoundry/gorouter/blob/76668f5818ea8c089ff52a14fcdfbf703c8e8767/access_log/access_log_record.go#L40)
and it seems like this should be a simple PR.

1. To gorouter.yml add
passthrough_headers:
- WAKAWAKA
- X-Random-Header

2. In makeRecord at the bottom add something like(in psuedo)

data = {}
for header in passthrough_headers:
header_val = r.FormatRequestHeader("X-Forwarded-For")
if header_val:
passthrough_headers[header] = header_val

if data:
fmt.Fprintf(b, data.to_stringified_json())

That would yield a log line like
blurgh.dev.cf.private.domain.com - [21/07/2015:10:17:05 +0000] "GET
/statements?ascending=true&since=2015-06-30T14%3A10%3A03.078Z&skipStatementId=30a88204-0779-4385-9859-e4aabd30baf0
HTTP/1.1" 200 0 17 "-" "NING/1.0" 10.230.31.2:46204
x_forwarded_for:"-" vcap_request_id:1e58195a-cde6-4afd-7f03-43061c9ea91c
response_time:0.004927106 app_id:9784cd03-050d-4b74-9e90-5f17134a3f08
{"WAKAWAKA": "Space is the place", "X-Random-Header": "Once upon a midnight
dreary, while I pondered weak and weary"}

The reason for a stringified JSON is to make it easy to parse with
logstash or other loganalysis tools.

Before I spend time implementing, is this something you would merge?
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Thank you,

James Bayer

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--
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logsearch.io - build your own open source cloud logging cluster
http://davidlaing.com

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Re: cflinuxfs2 stack not fount under v210.2 release

Gwenn Etourneau
 

I mean which version are the DEA ? the stack do not live in the stemcell
... The stack are install during the deployment

On Tue, Jul 28, 2015 at 11:04 AM, Yitao Jiang <jiangyt.cn(a)gmail.com> wrote:

Yes,all deas are built from same stemcell, all with fresh installation


+-------------------------------------------+---------+--------------------------------------+
| Name | Version | CID
|

+-------------------------------------------+---------+--------------------------------------+
| bosh-openstack-kvm-ubuntu-trusty-go_agent | 2978* |
bc3592a8-64fd-44b1-a9c0-797953f86e13 |

+-------------------------------------------+---------+--------------------------------------+

(*) Currently in-use


On Tue, Jul 28, 2015 at 9:42 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.



On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com>
wrote:

Hi,

Does any body ever have the problem of deploying application failed in *cflinuxfs2
stack not found?*
we deployed v210.2 release and occasionally it failed in* cflinuxfs2
not found* when deploying. It's weird that the nats with 2 nodes all
works fine, i can manually received the msgs distributed among the cluster.

Regards,

Yitao
jiangyt.github.io

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Regards,

Yitao
jiangyt.github.io

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Re: cflinuxfs2 stack not fount under v210.2 release

Yitao Jiang
 

Yes,all deas are built from same stemcell, all with fresh installation

+-------------------------------------------+---------+--------------------------------------+
| Name | Version | CID
|
+-------------------------------------------+---------+--------------------------------------+
| bosh-openstack-kvm-ubuntu-trusty-go_agent | 2978* |
bc3592a8-64fd-44b1-a9c0-797953f86e13 |
+-------------------------------------------+---------+--------------------------------------+

(*) Currently in-use


On Tue, Jul 28, 2015 at 9:42 AM, Gwenn Etourneau <getourneau(a)pivotal.io>
wrote:

Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.



On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com> wrote:

Hi,

Does any body ever have the problem of deploying application failed in *cflinuxfs2
stack not found?*
we deployed v210.2 release and occasionally it failed in* cflinuxfs2 not
found* when deploying. It's weird that the nats with 2 nodes all works
fine, i can manually received the msgs distributed among the cluster.

Regards,

Yitao
jiangyt.github.io

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Regards,

Yitao
jiangyt.github.io


Re: cflinuxfs2 stack not fount under v210.2 release

Gwenn Etourneau
 

Are you sure all you DEA are at the same version ?
I think so but I don't know maybe rare case.

On Tue, Jul 28, 2015 at 8:35 AM, Yitao Jiang <jiangyt.cn(a)gmail.com> wrote:

Hi,

Does any body ever have the problem of deploying application failed in *cflinuxfs2
stack not found?*
we deployed v210.2 release and occasionally it failed in* cflinuxfs2 not
found* when deploying. It's weird that the nats with 2 nodes all works
fine, i can manually received the msgs distributed among the cluster.

Regards,

Yitao
jiangyt.github.io

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Re: 3 etcd nodes don't work well in single zone

Tony
 

Hi Amit,

The problem is still there.

We've decided to test it in other env besides openstack.

Thanks for following and we will definitely let you know as soon as we get
new test report.

Regards,
Tony



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cflinuxfs2 stack not fount under v210.2 release

Yitao Jiang
 

Hi,

Does any body ever have the problem of deploying application failed in
*cflinuxfs2
stack not found?*
we deployed v210.2 release and occasionally it failed in* cflinuxfs2 not
found* when deploying. It's weird that the nats with 2 nodes all works
fine, i can manually received the msgs distributed among the cluster.

Regards,

Yitao
jiangyt.github.io


Re: 3 etcd nodes don't work well in single zone

Amit Kumar Gupta
 

Hey Tony,

Any update on your situation?

Amit



-----
Amit, CF OSS Release Integration PM
Pivotal Software, Inc.
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[buildpacks] PMC - 2015-07-27 notes

Mike Dalessio
 

Happy Monday,

We had a short meeting of the Buildpacks PMC today, permanent notes are at:

https://github.com/cloudfoundry/pmc-notes/blob/master/Buildpacks/2015-07-27-buildpacks.md

which I've snapshotted below.

Please note that we're going to move all Buildpacks PMC discussion to the
cf-dev@ mailing list, as discussed in today's PMC call. That is, we won't
be convening for the next month or so, and will instead communicate
transparently on the mailing list.

If you have objections or thoughts on this, please don't hesitate to reach
out to either Chip or me.

Cheers,
-mike

----

*# Buildpacks PMC Meeting 2015-06-15*

*## Agenda*

1. Update on Java Buildpack (Ryan Morgan)
2. Update on core Buildpacks and rootfs (Mike Dalessio)
3. Proposals
* `null-buildpack` deprecation
4. Open Discussion
* Moving Buildpacks PMC discussion to the mailing list

*## Attendees*

* Chip Childers, Cloud Foundry Foundation
* Stormy Peters, Cloud Foundry Foundation
* Mike Dalessio, Pivotal (PMC lead)
* Ryan Morgan, Pivotal


*## Update on Java Buildpack (Ryan Morgan)*

* Java Buildpack 3.1 released on June 25th. [Release notes](
https://github.com/cloudfoundry/java-buildpack/releases/tag/v3.1)
* Work continues on support for Hardware security devices. (Safenet Luna
security provider)
* Not much work remains in the backlog, next up is migration to Concourse


*## Update on core Buildpacks and `rootfs` (Mike Dalessio)*

*__Recent work__*

Released ruby-buildpack v1.6.0, php-buildpack v4.0.0, python-buildpack
v1.5.0, nodejs-buildpack v1.5.0 and staticfile-buildpack v1.2.1, which all
contain CF-specific precompiled binaries. (NB the go-buildpack uses
Google-built binaries and we're OK with this.)

Released binary-buildpack v1.0.1 which contains Michael Fraenkel's (IBM) PR
for Diego compatibility.

Released go-buildpack 1.5.0 with a Godeps upgrade and removal of the custom
python interpreter (now uses rootfs python).

Updates to all buildpacks to remove lucid64 binaries from manifests.
Operators can use the buildpack tooling to generate these binaries and
package their own buildpacks as they deem necessary. Note that as part of
this effort, the [binary builder][] tooling was open-sourced.

Open-sourced [concourse CI pipelines][].

[Rootfs 1.1.0][] released. Note that rootfs releases are now given version
numbers and have release notes, and the corresponding docker images are
tagged with that version number.

The team has been working on a series of spikes intended to drive towards a
technical solution for implementing shared behaviors (across buildpacks)
into shared code. This work can be followed in the Tracker backlog in the
[architecture epic][].

We moved [buildpack-packager][], [machete][], and [machete-firewall-test][]
into the `cloudfoundry` org, as they're part of our core tooling. These
were previously in the deprecated `cf-buildpacks` org or were overlooked
during the initial Foundation repository cleanup.


[binary builder]: https://github.com/cloudfoundry/binary-builder
[concourse CI pipelines]: https://github.com/cloudfoundry/buildpacks-ci
[Rootfs 1.1.0]: https://github.com/cloudfoundry/stacks/releases/tag/1.1.0
[architecture epic]: https://www.pivotaltracker.com/epic/show/1898760
[buildpack-packager]: https://github.com/cloudfoundry/buildpack-packager
[machete]: https://github.com/cloudfoundry/machete
[machete-firewall-test]:
https://github.com/cloudfoundry/machete-firewall-test


*__Upcoming work__*

The team will be experimenting with extension points to the buildpack life
cycle, for both operators and developers. Among the goals:

* allow extension of buildpack behavior by application developers without
having to fork the buildpack
* allow extension of buildpack behavior by operators which is currently not
possible

We're also considering focused sprints for individual buildpacks.


*## Proposals*

*### `null-buildpack` deprecation*

The repository `cloudfoundry-incubator/null-buildpack` has been deprecated
by the adoption of `cloudfoundry/binary-buildpack`, and so it's being
proposed to move this to the attic or to delete it.

After a brief discussion, it was decided to place this repository in
`cloudfoundry-attic`.


*## Open Discussion*

*### Moving Buildpacks PMC discussion to the mailing list*

Chip and Mike noted that attendance has not been regular at the Buildpacks
PMC. Chip suggested that perhaps the Buidpacks PMC discussion could move to
the mailing list, rather than continue to have the call.

No objections from those present. We'll try using email, rather than
waiting for a PMC call, for the next month; and we'll revisit this decision
based on feedback.


Re: Logstash and Multiline Log Entry

Mike Youngstrom
 

Yet another request for improved multi line log message handling. Is there
any update from the LAMB team on plans to improve this problem? There have
been several proposed solutions but I'm not aware of anything actually
making it into the LAMB tracker. It would be great if we could hear from
Erik on this issue. Does the LAMB team believe it is not an issue? Are
there plans to improve this situation? Whatever the perspective lets
discuss it as a community and see if there are any options better than the
current. I'd really like to see something turned into a tracker issue if
there are better options.

Mike

[0] http://lists.cloudfoundry.org/pipermail/cf-dev/2015-June/000423.html
[1] http://lists.cloudfoundry.org/pipermail/cf-dev/2015-May/000083.html
[2]
https://groups.google.com/a/cloudfoundry.org/forum/?utm_medium=email&utm_source=footer#!msg/vcap-dev/B1W6_vO0oyo/84X1eAtFsKoJ

On Mon, Jul 27, 2015 at 9:47 AM, Simon Johansson <simon(a)simonjohansson.com>
wrote:

This is a tricky one. Especially if you have more than one logstash
machine doing filtering as they will do filtering independently of each
other as the events come in.

The reason why CF adds a timestamp to each line is because how syslog
works, where each line is its own even.

What we tend to do in my company is to log this kind of stuff via GELF or
with Sentry.

On Mon, Jul 27, 2015 at 5:41 PM, Steve Wall <stevewallone(a)gmail.com>
wrote:

Hello,
We are sending CF logs message to an ELK stack. Multiline logs message
are broken out into several log messages in Logstash. One end per line of
the multiline log message. This is problematic when stack traces dumped to
the log. Each line of the stack trace is translated into a log message.
Trying to view this through Kibana is nearly impossible. Logstash provides
a Grok feature allowing for the manipulation of the log messages. One
common solution is to create a Grok filter that using a timestamp to
indicate when a log entry starts and to combine all lines until the next
timestamp into one log message. The problem is that CF adds a timestamp to
every line. Has anyone come up with a good Grok expression to handle
multiline log message coming out of CF?
Thanks!
Steve



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Re: Logstash and Multiline Log Entry

Simon Johansson <simon@...>
 

This is a tricky one. Especially if you have more than one logstash machine
doing filtering as they will do filtering independently of each other as
the events come in.

The reason why CF adds a timestamp to each line is because how syslog
works, where each line is its own even.

What we tend to do in my company is to log this kind of stuff via GELF or
with Sentry.

On Mon, Jul 27, 2015 at 5:41 PM, Steve Wall <stevewallone(a)gmail.com> wrote:

Hello,
We are sending CF logs message to an ELK stack. Multiline logs message are
broken out into several log messages in Logstash. One end per line of the
multiline log message. This is problematic when stack traces dumped to the
log. Each line of the stack trace is translated into a log message. Trying
to view this through Kibana is nearly impossible. Logstash provides a Grok
feature allowing for the manipulation of the log messages. One common
solution is to create a Grok filter that using a timestamp to indicate when
a log entry starts and to combine all lines until the next timestamp into
one log message. The problem is that CF adds a timestamp to every line. Has
anyone come up with a good Grok expression to handle multiline log message
coming out of CF?
Thanks!
Steve



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Logstash and Multiline Log Entry

Steve Wall
 

Hello,
We are sending CF logs message to an ELK stack. Multiline logs message are
broken out into several log messages in Logstash. One end per line of the
multiline log message. This is problematic when stack traces dumped to the
log. Each line of the stack trace is translated into a log message. Trying
to view this through Kibana is nearly impossible. Logstash provides a Grok
feature allowing for the manipulation of the log messages. One common
solution is to create a Grok filter that using a timestamp to indicate when
a log entry starts and to combine all lines until the next timestamp into
one log message. The problem is that CF adds a timestamp to every line. Has
anyone come up with a good Grok expression to handle multiline log message
coming out of CF?
Thanks!
Steve


Re: CF // Login using REST API

Daniel Mikusa
 

On Mon, Jul 27, 2015 at 4:58 AM, Brena, Juan Antonio (ext) <
juan.brena.external(a)atos.net> wrote:

Good morning,

I have installed CF using the following installer:
*https://github.com/yudai/cf_nise_installer*
<https://github.com/yudai/cf_nise_installer>

Using the following request:

*https://api.CF_IP.xip.io/v2/info* <https://api.CF_IP.xip.io/v2/info>

Y receive the following information:

{
"name": "vcap",
"build": "2222",
"support": "http://support.cloudfoundry.com",
"version": 2,
"description": "Cloud Foundry sponsored by Pivotal",
"authorization_endpoint": "https://uaa. CF_IP.xip.io",
"token_endpoint": "https://uaa. CF_IP.xip.io",
"min_cli_version": null,
"min_recommended_cli_version": null,
"api_version": "2.25.0",
"logging_endpoint": "wss://loggregator. CF_IP.xip.io:4443"
}

I would like to know, how to get a token (Login process) to get apps:

*https://api.CF_IP.xip.io/v2/apps* <https://api.CF_IP.xip.io/v2/apps>

Many thanks in advance.

If you just want to login and use your system, install the cf cli.

https://github.com/cloudfoundry/cli/releases

Then run `cf api api.CF_IP.xip.io` followed by `cf login`. This will
prompt you for your credentials. I can't recall what that installer set's
up, but it'll be something like admin / admin or admin / admin-secret.
Check the docs, it'll probably say.

For additional help with cf, run `cf -h` to see the available commands or
`cf command -h` to get details on a particular command.


If you want to login programmatically (like if you're going to write an app
to interact with CF) then you need to go through one of the Oauth2 work
flows. If you're unfamiliar with Oauth2, google has lots of resources on
the flows and how it works.

As far as CF, a couple things to get you started...

1.) Run `CF_TRACE=true cf login` (or `set CF_TRACE=true` followed by `cf
login` on Windows) and watch the output. It'll dump the HTTP request and
response data, so you can see how the cli does it.

2.) Beyond that, more detail can be found here.

https://github.com/cloudfoundry/uaa/tree/master/docs

I have found this particular document to be useful.

https://github.com/cloudfoundry/uaa/blob/master/docs/UAA-APIs.rst

and of course, post any follow up questions to the list.

Dan

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CF // Login using REST API

Brena, Juan Antonio (ext) <juan.brena.external@...>
 

Good morning,

I have installed CF using the following installer:
https://github.com/yudai/cf_nise_installer

Using the following request:

https://api.CF_IP.xip.io/v2/info

Y receive the following information:

{
"name": "vcap",
"build": "2222",
"support": "http://support.cloudfoundry.com",
"version": 2,
"description": "Cloud Foundry sponsored by Pivotal",
"authorization_endpoint": "https://uaa. CF_IP.xip.io",
"token_endpoint": "https://uaa. CF_IP.xip.io",
"min_cli_version": null,
"min_recommended_cli_version": null,
"api_version": "2.25.0",
"logging_endpoint": "wss://loggregator. CF_IP.xip.io:4443"
}

I would like to know, how to get a token (Login process) to get apps:

https://api.CF_IP.xip.io/v2/apps

Many thanks in advance.

Juan Antonio

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Announcing cf-mysql-release v22

Marco Nicosia
 

Happy Friday!

On behalf of the CF Core Services team I am pleased to announce v22 of cf-
mysql-release
<https://github.com/cloudfoundry/cf-mysql-release/releases/tag/v22>.

--

cf-mysql-release <https://github.com/cloudfoundry/cf-mysql-release> is a
BOSH release that delivers a MySQL-compatible DataBase-as-a-Service for
Cloud Foundry users. Through Cloud Foundry, users can provision databases
and deliver unique credentials to bound applications.

v22 is a minor update; we release regularly to make sure you have access to
all the latest features and fixes. The major changes in v22 are updated
MariaDB packages and several configuration and security changes. We're
continuing to make the included stubs easier to use, in particular there's
a new stub with this release to make it easy to customize the service
plans. We've also expanded our documentation. Please send us feedback on
how we're doing!

For all the details, please see the release notes for v22
<https://github.com/cloudfoundry/cf-mysql-release/releases/tag/v22>.

Special note for Amazon AWS users: We weren't satisfied with the difficulty
of configuring cf-mysql-release across multiple AWS AZ's, so we've put some
effort into making the stub much easier to follow. For v22, please feel
free to use this pre-release version of the stub that will appear in v23.
It's been tested and validated to work with v22:
http://bit.ly/v23-sample-aws-stub

If you'd like to know more, detailed release notes can be found on GitHub
<https://github.com/cloudfoundry/cf-mysql-release/releases/tag/v20> and
bosh.io
<http://bosh.io/releases/github.com/cloudfoundry/cf-mysql-release?version=20>.
If you'd like to know even more than that, each line contains a link to the
original story under which a feature was commissioned.

As always, we'd love to hear if you're having any problems with this
version of the software. Please open a GitHub issue
<https://github.com/cloudfoundry/cf-mysql-release/issues>. If you're
willing, we're always very happy to receive a Pull Request
<https://github.com/cloudfoundry/cf-mysql-release/pulls>.

PS - For those of who you might be wondering why we've skipped v21: A
particularly large robot in the Release Engineering Department experienced
a momentarily lapse of judgement. It did report that v21 was quite tasty,
but unfortunately no longer available for general release. We've responded
by adjusting the robot's diet and medications. Future releases should
navigate the process unharmed. We apologize for the inconvenience, and send
our condolences to v21's family and friends.

--
Marco Nicosia
Product Manager
Pivotal Software, Inc.
mnicosia(a)pivotal.io
c: 650-796-2948

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