feat: add ignoreResourceUpdates to reduce controller CPU usage (#13534) (#13912)

* feat: ignore watched resource update

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* add doc and CLI

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* update doc index

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* add command

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* codegen

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* revert formatting

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* do not skip on health change

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* update doc

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* update logging to use context

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* fix typos. local build broken...

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* change after review

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* manifestHash to string

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* more doc

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* example for argoproj Application

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* add unit test for ignored logs

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* codegen

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* Update docs/operator-manual/reconcile.md

Co-authored-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>
Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* move hash and set log to debug

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* Update util/settings/settings.go

Co-authored-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>
Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* Update util/settings/settings.go

Co-authored-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>
Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* feature flag

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* fix

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* less aggressive managedFields ignore rule

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* Update docs/operator-manual/reconcile.md

Co-authored-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>

* use local settings

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* latest settings

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* safety first

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* since it's behind a feature flag, go aggressive on overrides

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

---------

Signed-off-by: Alexandre Gaudreault <alexandre.gaudreault@logmein.com>
Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>
Co-authored-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

mkdocs.yml

@@ -43,8 +43,9 @@ nav:
   - operator-manual/tls.md
   - operator-manual/cluster-bootstrapping.md
   - operator-manual/secret-management.md
-  - operator-manual/high_availability.md
   - operator-manual/disaster_recovery.md
+  - operator-manual/high_availability.md
+  - operator-manual/reconcile.md
   - operator-manual/webhook.md
   - operator-manual/health.md
   - operator-manual/resource_actions.md