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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <h4 style="margin: 10px 0 0 0; margin-top: 0; font-size: 14px; line-height: 1.500; margin: 20px 0 0 0; margin-top: 0"><a name="Whatwasdonehere%3F" style="color: #3b73af; text-decoration: none"></a>What was done here?</h4> <p style="margin: 10px 0 0 0">In the following PR we added a workaround to not allow apply the APP CR in a namespace which is not declared in an ENV VAR. <br> In this way, the operator will work with apps which are just applied in the specific namespaces as it is done currently for Graphana. </p> <p style="margin: 10px 0 0 0">PR: <a href="https://github.com/aerogear/mobile-security-service-operator/pull/57" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/aerogear/mobile-security-service-operator/pull/57</a></p> <h4 style="margin: 10px 0 0 0; font-size: 14px; line-height: 1.500; margin: 20px 0 0 0"><a name="WaspossibleimpltheworkarroundtocreateNmanagerstowatch%2FcachejustthedeclarednamespacesintheEnvVar%3F" style="color: #3b73af; text-decoration: none"></a>Was possible impl the workarround to create N managers to watch/cache just the declared namespaces in the EnvVar?</h4> <p style="margin: 10px 0 0 0">I tried this suggested approach but it doesn't work. Following the code impl to check it in the main.go</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
func main() {
{....}
<span class="code-comment" style="color: #808080">//Create cmd Manager <span class="code-keyword" style="color: #000091; color: #808080">for</span> the Operator
</span> namespace, err := k8sutil.GetWatchNamespace()
handleManagerPerNamespace(cfg, string(namespace))
<span class="code-comment" style="color: #808080">//Get all custom namespace which will be watched by the <span class="code-keyword" style="color: #000091; color: #808080">operator</span>
</span> watchAppNamespacesEnvVar , err := utils.GetAppNamespaces()
<span class="code-keyword" style="color: #000091">if</span> err != nil {
log.Error(err, <span class="code-quote" style="color: #009100">"Failed to get APP_NAMESPACES"</span>)
os.Exit(1)
}
<span class="code-comment" style="color: #808080">//Create a cmd manager and add schemas <span class="code-keyword" style="color: #000091; color: #808080">for</span> each namespace specified in the APP_NAMESPACES env <span class="code-keyword" style="color: #000091; color: #808080">var</span>
</span> <span class="code-keyword" style="color: #000091">for</span> _, ns := range strings.Split(watchAppNamespacesEnvVar, <span class="code-quote" style="color: #009100">";"</span>) {
log.Info(<span class="code-quote" style="color: #009100">"Creating manager <span class="code-keyword" style="color: #000091; color: #009100">for</span> the namespace: "</span> + string(ns))
handleManagerPerNamespace(cfg, string(ns))
}
{....}
}
<span class="code-comment" style="color: #808080">//handleManagerPerNamespace create the manager, add schemas and start it
</span>func handleManagerPerNamespace(cfg *<span class="code-keyword" style="color: #000091">rest</span>.Config, ns string) {
mgr := createNamespaceCmdManager(cfg, ns)
addSchemeToManager(mgr)
startCmdManager(mgr)
}
<span class="code-comment" style="color: #808080">//createNamespaceCmdManager creates a manager <span class="code-keyword" style="color: #000091; color: #808080">for</span> an specific Namespace
</span>func createNamespaceCmdManager(cfg *<span class="code-keyword" style="color: #000091">rest</span>.Config, namespace string) manager.Manager {
<span class="code-comment" style="color: #808080">// Create a <span class="code-keyword" style="color: #000091; color: #808080">new</span> Cmd to provide shared dependencies and start components
</span> mgr, err := manager.New(cfg, manager.Options{
Namespace: namespace,
})
<span class="code-keyword" style="color: #000091">if</span> err != nil {
log.Error(err, "")
os.Exit(1)
}
<span class="code-keyword" style="color: #000091">return</span> mgr
}
<span class="code-comment" style="color: #808080">//startCmdManager
</span>func startCmdManager(mgr manager.Manager) {
log.Info(<span class="code-quote" style="color: #009100">"Starting the Cmd."</span>)
<span class="code-comment" style="color: #808080">// Start the Cmd
</span> <span class="code-keyword" style="color: #000091">if</span> err := mgr.Start(signals.SetupSignalHandler()); err != nil {
log.Error(err, <span class="code-quote" style="color: #009100">"Manager exited non-zero"</span>)
os.Exit(1)
}
}
<span class="code-comment" style="color: #808080">//addSchemeToManager will register the schemas <span class="code-keyword" style="color: #000091; color: #808080">for</span> each manager
</span>func addSchemeToManager(mgr manager.Manager) {
log.Info(<span class="code-quote" style="color: #009100">"Registering Components."</span>)
<span class="code-comment" style="color: #808080">// Setup Scheme <span class="code-keyword" style="color: #000091; color: #808080">for</span> all resources
</span> <span class="code-keyword" style="color: #000091">if</span> err := apis.AddToScheme(mgr.GetScheme()); err != nil {
log.Error(err, "")
os.Exit(1)
}
<span class="code-comment" style="color: #808080">//Add route Openshift scheme
</span> <span class="code-keyword" style="color: #000091">if</span> err := routev1.AddToScheme(mgr.GetScheme().); err != nil {
log.Error(err, "")
os.Exit(1)
}
<span class="code-comment" style="color: #808080">// Setup all Controllers
</span> <span class="code-keyword" style="color: #000091">if</span> err := controller.AddToManager(mgr); err != nil {
log.Error(err, "")
os.Exit(1)
}
}
</pre>
</div>
</div> <p style="margin: 10px 0 0 0"><b>IMPORTANT:</b> The controller/reconcile impl of this oper will use the cmd.manager to manage the resources and it does not work for namespaces which are not passed as an option for its watch/cache.</p> <h4 style="margin: 10px 0 0 0; font-size: 14px; line-height: 1.500; margin: 20px 0 0 0"><a name="Willweabletodoitinthefuture%3F" style="color: #3b73af; text-decoration: none"></a>Will we able to do it in the future?</h4> <p style="margin: 10px 0 0 0">The great news that I'd like to share with you is that the solution for it is impl already and merged in the master branch see the commit<span class="error">[1]</span> and the test<span class="error">[2]</span> with this need attended. </p> <p style="margin: 10px 0 0 0">Unfortunately, show that the version released with, v0.2.0-alpha.0<span class="error">[3]</span>, has break changes and cannot be used with the current version of OCP 3.11 and the Kube used by it.</p> <p style="margin: 10px 0 0 0">We opened an issue in this repo to ask if they can release a new stable version for we are able to get this feature/implementation. See here<span class="error">[4]</span>. </p> <p style="margin: 10px 0 0 0"><span class="error">[1]</span> - <a href="https://github.com/kubernetes-sigs/controller-runtime/commit/fc804a411c06919561edbcb0453601c436556613" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/kubernetes-sigs/controller-runtime/commit/fc804a411c06919561edbcb0453601c436556613</a><br> <span class="error">[2]</span> - <a href="https://github.com/kubernetes-sigs/controller-runtime/blob/68ae79ea094aab567d78d7d8596accac2dc27fd0/pkg/manager/example_test.go#L59" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/kubernetes-sigs/controller-runtime/blob/68ae79ea094aab567d78d7d8596accac2dc27fd0/pkg/manager/example_test.go#L59</a><br> <span class="error">[3]</span> - <a href="https://github.com/kubernetes-sigs/controller-runtime/releases/tag/v0.2.0-alpha.0" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/kubernetes-sigs/controller-runtime/releases/tag/v0.2.0-alpha.0</a><br> <span class="error">[4]</span> - <a href="https://github.com/kubernetes-sigs/controller-runtime/issues/413" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/kubernetes-sigs/controller-runtime/issues/413</a></p> <p style="margin: 10px 0 0 0"><b>IMPORTANT:</b> The author of this impl works in RedHat and I already speak with him before. I am trying to contact him privately to check if they can release a new stable version with just this feature impl to attend us. </p> <p style="margin: 10px 0 0 0">c/c <a href="https://issues.jboss.org/secure/ViewProfile.jspa?name=dffrench" class="user-hover" rel="dffrench" style="color: #3b73af; text-decoration: none">David Ffrench</a> <a href="https://issues.jboss.org/secure/ViewProfile.jspa?name=weil" class="user-hover" rel="weil" style="color: #3b73af; text-decoration: none">Wei Li</a> <a href="https://issues.jboss.org/secure/ViewProfile.jspa?name=peter.braun" class="user-hover" rel="peter.braun" style="color: #3b73af; text-decoration: none">Peter Braun</a> <a href="https://issues.jboss.org/secure/ViewProfile.jspa?name=chrisfoley" class="user-hover" rel="chrisfoley" style="color: #3b73af; text-decoration: none">Christopher Foley</a></p> </td>
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