- Refactor dotted edge logic.
- Change Storage view to show storage components as well as all
the pods.
- Sentence case storage related variables.
Signed-off-by: Satyam Zode <satyam.zode@openebs.io>
This will:
- Add StorageClass resource. Storage classes are mentioned
in the PVC spec. We're using storage class name from PVC spec to
add adjacency to the PVC node.
- Add square sheet shape for StorageClass.
- Add storage filter in the PODS topology.
Storage Filter will allow user to see distinct view of
stateful applications.
- Add visually distinct edge to show storage adjacency.
Signed-off-by: Satyam Zode <satyam.zode@openebs.io>
- Kubernetes storage components such as PV and PVC are connected based on two
parameters Persistent volume claim name and Persistent Volume name.
- PVC contains the volume name which is, PV name itself. Hence, we can
show edge for PVC and PV.
- This will bring higher level visibility for kubernetes storage components.
Signed-off-by: Satyam Zode <satyam.zode@openebs.io>
This will
- Add Kubernetes volume resources such as PV, PVC.
- Add shapes for Kubernetes PV and PVC
- Add `Cylinder` shape for PV and `Dotted Cylinder` shape for PVC.
Signed-off-by: Satyam Zode <satyam.zode@openebs.io>
Removed to reduce CPU and memory usage in probes.
This code was added in August 2016 so that newer probes could be used
with older apps. Since then we have adopted the stance that new apps
will accept reports from old probes but not vice-versa, on a version
change.
...when 'Hide Unconnected' is selected, which is the default.
Here's the problem...
The connectedness filter looks for `is_connected` marks in the Latest
map of the nodes. The mark is added by ColorConnected, which is
invoked by ProcessRenderer. That in turn is the base renderer for
ProcessNameRenderer, which is what the process-by-name view
renders. However, the process2Names mapping does not propagate any
metadata, hence there are no `is_connected` marks on the result
nodes. Consequently they are all filtered out.
The problem was introduced in #3009, when I added the ability for
users to chose whether to show or hide unconnected
processes (previously unconnected processes were always hidden) -
looks like I failed to check that the process-by-name view was working
with the new filter. Oops.
The fix is to move the ColorConnected call from ProcessRenderer to the
higher-level renderers - ProcessWithContainerNameRenderer (which is
what the 'Processes' view renders) and ProcessNameRenderer.
This has the beneficial side effect of improving performance for other
renderers which invoke ProcessRenderer, none of which need
connectedness-coloring.
Fixes#3205
Now that we enter the container namespace to fetch IPs for every
container, there is no need to have 'weave ps' do it.
This does mean we lose Weave MAC addresses, but that is a rather
idiosyncratic feature anyway.
For incoming contributions we assume their authors accept the DCO. No
further action from new developers is required. An added sentence in
the guidelines clarifies this.
Fixes#3193
With c75700fe04 we added code to detect
Ubuntu Xenial kernels with a regression in the eBPF subsystem in order
to gently fallback to procfs scanning on such systems (and not crash the
host system by running eBPF code).
With the latest kernel update for Ubuntu Xenial, the bug was fixed:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763454
Therefore we can update the added check with an upper limit and make
sure that eBPF connection tracking only is disabled on kernels within
the range having the bug.
xref: https://github.com/weaveworks/scope/issues/3131
