This change implements the DstOverrides feature of the destination profile API (aka traffic splitting).
We add a TrafficSplitWatcher to the destination service which watches for TrafficSplit resources and notifies subscribers about TrafficSplits for services that they are subscribed to. A new TrafficSplitAdaptor then merges the TrafficSplit logic into the DstOverrides field of the destination profile.
Signed-off-by: Alex Leong <alex@buoyant.io>
Fixes#2927
Also moved `TestInstallSP` after `TestCheckPostInstall` so we're sure
the validating webhook is ready before installing a service profile.
Signed-off-by: Alejandro Pedraza Borrero <alejandro@buoyant.io>
When installing multiple control planes, the mutatingwebhookconfiguration of the first control plane gets overwritten by any subsequent control plane install. This is caused by the fixed name given to the mutatingwebhookconfiguration manifest at install time.
This commit adds in the namespace to the manifest so that there is a unique configuration for each control plane.
Fixes#2887
* Add control plane and CNI PSP and RBAC resources
* Add the '--linkerd-cni-enabled' flag to the multi-stage install subcommands
This flag ensures that the NET_ADMIN capability is omitted from the control
plane's PSP during 'install config' and the proxy-init containers aren't
injected during 'install control-plane'.
Signed-off-by: Ivan Sim <ivan@buoyant.io>
* If HA, set the webhooks failure policy to 'Fail'
I'm adding to the linkerd namespace a new label
`linkerd.io/is-control-plane: true` that is used in the webhook configs'
selector to skip the proxy injector for this namespace. This avoids
running into the timing issues described in #2852.
Fixes#2852
Signed-off-by: Alejandro Pedraza <alejandro@buoyant.io>
* Update helm charts to include webhooks config and TLS secret
* Update the webhooks to read the secret cert and key
* Update webhooks to not recreate config on restart
* Ensure upgrade preserve existing secrets
* Revert the change to rename the webhook configs
The renaming change breaks upgrade, where the new webhook configs conflict with
the existing ones. The older resources aren't deleted during upgrade because
they are dynamically created.
* Make the secret volume read-only
* Remove unnecessary exported getter functions
* Remove obsolete mwc and vwc templates
Signed-off-by: Ivan Sim <ivan@buoyant.io>
All ServiceAccounts are intended to be grouped together with other RBAC
resources, particularly for `linkerd install config` output. Grafana and
Web ServiceAccounts were still included with their respective
Deployments.
Group Grafana and Web ServiceAccounts with other RBAC resources.
Signed-off-by: Andrew Seigner <siggy@buoyant.io>
`linkerd install` supports a 2-stage install process, `linkerd upgrade`
did not.
Add 2-stage support for `linkerd upgrade`. Also exercise multi-stage
functionality during upgrade integration tests.
Part of #2337
Signed-off-by: Andrew Seigner <siggy@buoyant.io>
This reverts commit 3de16d47be.
#2740 modified the ServiceProfiles CRD which will cause issues for users upgrading from the old CRD version to the new version. #2748 was an attempt to fix this by bumping the service profile CRD version, however, our testing infrastructure is not well set up to accommodate changes to CRDs because they are resources which are global to the cluster.
We revert this change for now and will revisit it in the future when we can give more thought to CRD versioning, upgrade, and testing.
Signed-off-by: Alex Leong <alex@buoyant.io>
Ivan Sim
Alex Leong
Tarun Pothulapati
Dennis Adjei-Baah
Alejandro Pedraza
Andrew Seigner
Andrew Seigner