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66 Commits

Author SHA1 Message Date
Julien Garcia Gonzalez
cea74c6280 example k8s: add support for PodSecurityPolicy 
This add a psp file with needed right to work on kubernetes.

Signed-off-by: Julien Garcia Gonzalez <julien@giantswarm.io>
 2018-09-26 11:20:41 +02:00
Damien Lespiau
1a24894c23 Fix the CRI volumeMount name in the example manifest 
volumeMounts need to refer to an existing volume name to be successfully
mounted. cri-socket is the defined volume name.
 2018-08-08 15:30:41 +01:00
Satyam Zode
4dfa4acfe7 Add rules in cluster role for k8s storage components 
This will add rules to cluster role for k8s storage components.
These RBAC permissions are required for scope to fetch details about PV, PVC, SC
resources.

Signed-off-by: Satyam Zode <satyamzode@gmail.com>
 2018-07-28 00:26:07 +05:30
Lili Cosic
55c3f8006d Add example for cri-o 
cri-o was used as an example as it is relatively easy to setup a cluster
using that container runtime as compared to others.
 2018-07-26 10:52:08 +01:00
Adam Harrison
8b1f8242f2 Pass node name via correct env var 2018-06-14 15:05:51 +01:00
Tasdik Rahman
eb849432a1 examples: k8s: added manifest for scope deployment 
- closes https://github.com/weaveworks/scope/issues/3153
 2018-05-02 17:39:26 +05:30
Alfonso Acosta
1c56b536a3 Fix examples too 2017-01-20 14:41:36 +00:00
Alessandro Puccetti
655e6677cc docs/plugins: sync docs with changes site changes 
This patch applies the same changes from the review of
https://github.com/weaveworks/scope/pull/2008
 2016-11-14 15:56:17 +01:00
Alessandro Puccetti
953548d833 docs/plugins: add volume count plugin 
A new plugin was added to the weaveworks plugins organization,
this patch exposes it into the scope documentation.
 2016-11-14 10:56:38 +01:00
Alessandro Puccetti
e9e3b5d5c0 docs/plugins: Refactoring 
The plugins README now points to the new repositories in the weaveworks-plugins
organization (https://github.com/weaveworks-plugins).
 2016-11-14 10:56:37 +01:00
Alessandro Puccetti
af901c5dac plugins: remove plugins 
They now are in the weaveworks-plugins organization.
https://github.com/weaveworks-plugins

- http-request has been updated and renamed to http-statistics:
https://github.com/weaveworks-plugins/scope-http-statistics
- iowait: https://github.com/weaveworks-plugins/scope-iowait
- traffic-control: https://github.com/weaveworks-plugins/scope-traffic-control
 2016-11-14 10:56:37 +01:00
Alessandro Puccetti
22ad25b312 plugins/http-requests: change plugin id 
Change the ID from `http_requests` to `http-requests`.
The new plugin ID convention does not allow `_`.
 2016-09-19 18:08:20 +02:00
Alessandro Puccetti
66390c8b0e circleci: push traffic control plugin image to docker hub 
After this patch, circleci builds the traffic control plugin image and
pushes it on docker hub. Rename traffic control plugin docker image
to "weaveworks/scope-traffic-control-plugin".
 2016-09-12 15:47:28 +02:00
Alessandro Puccetti
f2c2ce9d33 plugins/traffic-control/docker: integrate loopIteration() into Start() 
Move `loopIteration()` code in an anonymous function inside `Start()`.
 2016-09-09 13:57:21 +02:00
Alessandro Puccetti
10d33fb24f plugins/traffic-control: fix output for getStatus() 
If `tc qdisc show dev eth0` returns an error, then output is set to empty string.
 2016-09-09 13:57:21 +02:00
Alessandro Puccetti
deea4d9af1 plugins/traffic-contorl: fix error message in getNSID 
Return error message that show what fails and why.
 2016-09-09 13:57:21 +02:00
Alessandro Puccetti
097225332a plugins/traffic-control: switch to http.ServeMux 
It is nicer to instantiate a http.ServeMux, instead of modifying
the global http handler.
 2016-09-09 13:57:21 +02:00
Alessandro Puccetti
3bd6e4c88d plugins/traffic-control: fix Makefile 2016-09-09 13:14:24 +02:00
Alessandro Puccetti
c722edf534 plugins/traffic-control: export trafficControlStatus 
Rename trafficControlStatus to TrafficControlStatus, because lint complains.
 2016-09-09 13:14:24 +02:00
Alessandro Puccetti
01b6bc5be6 plugins/traffic-contorl: split DoTrafficControl() 
For clearer code `DoTrafficControl()` is splitted in multiple functions.
 2016-09-09 13:14:24 +02:00
Alessandro Puccetti
f6708503f0 plugins/traffic-control: add helper functions to trafficControlStatus 
SetLatency and SetPacketLoss handle the empty value that is represented by "-".
 2016-09-09 13:14:24 +02:00
Alessandro Puccetti
00a87922e6 plugins/traffic-control: code refactoring 
Substitute `split()` with `strings.Fileds()`.
Remove unnecessary functions and commented code.
Unabbreviate variable and function names.
 2016-09-09 13:14:24 +02:00
Alessandro Puccetti
9b86143deb plugins/traffic-control: README 
Added simple README to give an overview of the plugin.
Also the value of the latency controls were changed.
 2016-09-09 12:32:10 +02:00
Alessandro Puccetti
71f9d8874f plugins/traffic-control: Some style fixes 
Comment before exported functions.
When `if` block ends with a return statement, drop the else and outdent its block.
 2016-09-09 12:31:53 +02:00
Alessandro Puccetti
2bbcd415d1 plugins/traffic-control: add table prefix constant 
For cleaner code
 2016-09-06 11:53:36 +02:00
Alessandro Puccetti
c213270028 plugins/traffic-control: remove latency and packet loss from generic metadata 
Latency and packet loass are displayed in the table, there is not need to
show them in the general section too.
 2016-09-06 11:53:36 +02:00
Alessandro Puccetti
c0fca6d2be plugins/traffic-control: spilt getControls() 
This is done to make easier get specific controls when MetadataRow will
accept controls.
 2016-09-06 11:53:36 +02:00
Alessandro Puccetti
83c8e7af34 plugins/traffic-control: latency and packet loss can be combined 
This patch allows to set latency and packet loss parameters together
by "adding" the new paramter to the qdisc.
 2016-09-06 11:53:36 +02:00
Alessandro Puccetti
79453519b2 plugins/traffic-control: separate function for clear settings 
Make easier to combine latency and packet loss settings.
 2016-09-06 11:53:36 +02:00
Alessandro Puccetti
176cb5f99f plugins/traffic-control: added packet drop control 
Packet drop control set 10% of packet drop
 2016-09-06 11:53:36 +02:00
Alessandro Puccetti
5d3e5b23ec plugins/traffic-control: added clear setting control 
This control remove any previous setting
 2016-09-06 11:53:35 +02:00
Alessandro Puccetti
6eefb70628 plugins/traffic-control: add packet loss to the report 
This patch add packet loss to the report and the appropriet metadata template.
 2016-09-06 11:53:35 +02:00
Alessandro Puccetti
8cbd2c2db6 plugins/traffic-control: create Traffic control table 
The traffic control plugin will display the status in this table.
 2016-09-06 11:53:35 +02:00
Alessandro Puccetti
9df70ec380 plugins/traffic-control: refactoring 
Use string for delay and packet loss parameter, code refactoring,
improved error messages, fix typos, add empty status representation,
fix namesapce ID representation.
 2016-09-06 11:53:35 +02:00
Alessandro Puccetti
a743b59dcf plugins/traffic-control: added status caching 
To avoid to run `tc` every tic to get the qdisc status, we cache it.
The cache is updated every time a value is changed via the control interface.

NOTE: This will keep track only of the changes by done the plugins interface,
if the qdisc parameters are changed by another applcation or by the user
via terminal, such changes will not be caught.
 2016-09-06 11:53:35 +02:00
Alessandro Puccetti
068c366aa8 plugins/traffic-control: add status information in metadata 
This patch sends the delay and packet loss values along with
the container metadata. In this way the user has a direct feedback
about the traffic control plugin status.
 2016-09-06 11:53:35 +02:00
Krzesimir Nowak
c5cc9814fe Add an example traffic control plugin 
As it is an initial implementation, it only controls latency of the
outgoing (egress) traffic. There is also a TODO to turn this plugin
into something more serious. Also, at some point we may consider
moving this plugin outside of "example" directory.
 2016-09-06 11:53:35 +02:00
Alfonso Acosta
c10c58459b Fix spelling mistakes 2016-08-18 17:48:45 +00:00
Krzesimir Nowak
2a0972653c Rewrite plugin readme 
Give a bit more information about how to write a plugin.
 2016-08-12 17:15:43 +02:00
Krzesimir Nowak
9e092f1a4a Switch to LatestMap-style node controls 
This allows plugins to add controls to nodes that already have some
controls set by other plugin. Previously only the last plugin that
sets the controls in the node would have its controls visible. That
was because of NodeControls' Merge function that actually weren't
merging data from two inputs, but rather returning data that was newer
and discarding the older one.
 2016-08-12 17:15:43 +02:00
Krzesimir Nowak
f17a995892 Marshal structs in the iowait example plugin 
This is better than writing JSON strings by hand, which is
error-prone.
 2016-08-12 17:03:42 +02:00
Krzesimir Nowak
69368af796 Make the iowait example plugin a controller too 
It exposes a button that allows switching between showing an iowait
statistics and an idle statistics. When the button is pressed it
should be replaced with other button. The button is shown in the host
node.

This is a rather nasty case as it shows several problems:

- Button control races
  - The way the NodeControl currently works creates races between
    plugins adding buttons to the same node. This is because
    NodeControls are not really merged, but rather one of the two are
    chosen based on a NodeControls' timestamps, so the older one is
    thrown away entirely. In the end GUI can switch randomly between
    showing controls from one plugin or from another.

- Showing outdated statistics
  - When pressing the button to switch to show the other statistics,
    the old ones are still shown for several seconds.

- Slowness of the updates in GUI
  - Pressing the button yields no immediate reaction. Changes happen
    after several seconds. Probably related to the previous point.
 2016-08-12 17:03:42 +02:00
Krzesimir Nowak
27e0550bd5 Run docker with sudo if necessary in iowait makefile 
The solution is taken from the toplevel Makefile.
 2016-08-12 17:03:42 +02:00
Krzesimir Nowak
c797e7ab0e Use consistent plugin ID in the http-requests plugin 
The socket has the "http_requests.sock" filename, so ID should be
"http_requests", not "http-requests".
 2016-08-12 17:03:42 +02:00
Viktor Sadovnikov
edb27e0935 weaveworks/scope#1507. moving minimesos installation instructions to site/installing.md file 2016-05-27 00:25:13 +02:00
Viktor Sadovnikov
b63d3374cb weaveworks/scope#1507. README.md: adding example for using latest minimesos.json 2016-05-26 10:22:23 +02:00
Viktor Sadovnikov
58f80920b3 weaveworks/scope#1507. disabling new version updates 2016-05-24 09:38:20 +02:00
Viktor Sadovnikov
cab38c8515 weaveworks/scope#1507. Adding Marathon JSON for launching on minimesos cluster 2016-05-16 18:58:19 +02:00
Alfonso Acosta
b745411ce1 ebpf plugin clarifications 2016-04-19 15:33:26 -04:00
Paul Bellamy
6591315ead Make iowait example get correct hostname when launced remotely 2016-04-19 10:39:35 +01:00