Rename 'visibility' dir to 'observability'

I'm making the name of this directory and section the same in all
products.

In partial fulfilment of
https://tigera.atlassian.net/browse/DOCS-2516

Author: ctauchen

calico-cloud/_includes/release-notes/_v3.15.0-release-notes.mdx

@@ -51,7 +51,7 @@ $[prodname] has improved its policy recommendation engine to add namespace-based
 
 ### New and improved Dashboards
 
-$[prodname] includes new and improved Dashboards that enable operators to define cluster- and namespace-scoped dashboards with new modules for policy usage, application layer and DNS metrics, and much more. [Link to documentation](/visibility/get-started-cem)
+$[prodname] includes new and improved Dashboards that enable operators to define cluster- and namespace-scoped dashboards with new modules for policy usage, application layer and DNS metrics, and much more. [Link to documentation](/observability/get-started-cem)
 
 ### Included updates from Calico OSS
 

calico-cloud/compliance/overview.mdx

@@ -67,7 +67,7 @@ Compliance reports provide the following high-level information:
 
 - Ensure that all nodes in your Kubernetes clusters are time-synchronized using NTP or similar (for accurate audit log timestamps)
 
-- [Configure audit logs for Kubernetes resources](../visibility/elastic/audit-overview.mdx)
+- [Configure audit logs for Kubernetes resources](../observability/elastic/audit-overview.mdx)
 
   You must configure audit logs for Kubernetes resources through the Kubernetes API to get a complete view of all resources.
 

calico-cloud/network-policy/staged-network-policies.mdx

@@ -179,5 +179,5 @@ spec:
 - [Staged Kubernetes network policy](../reference/resources/stagedkubernetesnetworkpolicy.mdx)
 - For details on how to configure RBAC for staged policy resources, see [Configuring RBAC for tiered policy](policy-tiers/rbac-tiered-policies.mdx)
 - For details on staged policy metrics, see
-  - [Flow logs](../visibility/elastic/flow/datatypes.mdx)
+  - [Flow logs](../observability/elastic/flow/datatypes.mdx)
   - [Prometheus metrics](../operations/monitor/metrics/index.mdx#content-main)

calico-cloud/visibility/alerts.mdx renamed to calico-cloud/observability/alerts.mdx

@@ -0,0 +1,55 @@
+---
+description: Use Elasticsearch logs for visibility into all network traffic with Kubernetes context.
+hide_table_of_contents: true
+---
+
+import { DocCardLink, DocCardLinkLayout } from '/src/___new___/components';
+
+# Observability and troubleshooting
+
+See what's going on in your cluster with network observability tools and detailed logging.
+
+## Getting started
+
+<DocCardLinkLayout>
+  <DocCardLink docId='observability/alerts' />
+  <DocCardLink docId='observability/kibana' />
+  <DocCardLink docId='observability/packetcapture' />
+  <DocCardLink docId='observability/visualize-traffic' />
+</DocCardLinkLayout>
+
+## Getting started with logs
+
+<DocCardLinkLayout>
+  <DocCardLink docId='observability/elastic/overview' />
+  <DocCardLink docId='observability/elastic/archive-storage' />
+  <DocCardLink docId='observability/elastic/overview' />
+  <DocCardLink docId='observability/elastic/bgp' />
+  <DocCardLink docId='observability/elastic/audit-overview' />
+</DocCardLinkLayout>
+
+## Flow logs
+
+<DocCardLinkLayout>
+  <DocCardLink docId='observability/elastic/flow/datatypes' />
+  <DocCardLink docId='observability/elastic/flow/filtering' />
+  <DocCardLink docId='observability/elastic/flow/aggregation' />
+  <DocCardLink docId='observability/elastic/flow/hep' />
+  <DocCardLink docId='observability/elastic/flow/processpath' />
+  <DocCardLink docId='observability/elastic/flow/tcpstats' />
+
+</DocCardLinkLayout>
+
+## DNS logs
+
+<DocCardLinkLayout>
+  <DocCardLink docId='observability/elastic/dns/dns-logs' />
+  <DocCardLink docId='observability/elastic/dns/filtering-dns' />
+</DocCardLinkLayout>
+
+## L7 logs
+
+<DocCardLinkLayout>
+  <DocCardLink docId='observability/elastic/l7/configure' />
+  <DocCardLink docId='observability/elastic/l7/datatypes' />
+</DocCardLinkLayout>

calico-cloud/visibility/dashboards.mdx renamed to calico-cloud/observability/dashboards.mdx

@@ -71,7 +71,7 @@ The full list of parameters which can be set is as follows.
 | `LogSeverityScreen`                 | `FELIX_LOGSEVERITYSCREEN`                                                                            | The log severity above which logs are sent to the stdout. [Default: `Info`]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | `Debug`, `Info`, `Warning`, `Error`, `Fatal`                                                    |
 | `LogSeveritySys`                    | `FELIX_LOGSEVERITYSYS`                                                                               | The log severity above which logs are sent to the syslog. Set to `none` for no logging to syslog. [Default: `Info`]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | `Debug`, `Info`, `Warning`, `Error`, `Fatal`                                                    |
 | `LogDebugFilenameRegex`             | `FELIX_LOGDEBUGFILENAMEREGEX`                                                                        | Controls which source code files have their Debug log output included in the logs. Only logs from files with names that match the given regular expression are included. The filter only applies to Debug level logs. [Default: `""`]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | regex                                                                                           |
-| `PolicySyncPathPrefix`              | `FELIX_POLICYSYNCPATHPREFIX`                                                                         | File system path where Felix notifies services of policy changes over Unix domain sockets. This is required only if you're configuring [L7 logs](../../../../visibility/elastic/l7/configure.mdx), or [egress gateways](../../../../networking/egress/index.mdx). Set to `""` to disable. [Default: `""`]                                                                                                                                                                                                                                                                                                                                                                                                                        | string                                                                                          |
+| `PolicySyncPathPrefix`              | `FELIX_POLICYSYNCPATHPREFIX`                                                                         | File system path where Felix notifies services of policy changes over Unix domain sockets. This is required only if you're configuring [L7 logs](../../../../observability/elastic/l7/configure.mdx), or [egress gateways](../../../../networking/egress/index.mdx). Set to `""` to disable. [Default: `""`]                                                                                                                                                                                                                                                                                                                                                                                                                        | string                                                                                          |
 | `PrometheusGoMetricsEnabled`        | `FELIX_PROMETHEUSGOMETRICSENABLED`                                                                   | Set to `false` to disable Go runtime metrics collection, which the Prometheus client does by default. This reduces the number of metrics reported, reducing Prometheus load. [Default: `true`]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | boolean                                                                                         |
 | `PrometheusMetricsEnabled`          | `FELIX_PROMETHEUSMETRICSENABLED`                                                                     | Set to `true` to enable the Prometheus metrics server in Felix. [Default: `false`]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | boolean                                                                                         |
 | `PrometheusMetricsHost`             | `FELIX_PROMETHEUSMETRICSHOST`                                                                        | TCP network address that the Prometheus metrics server should bind to. [Default: `""`]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | string                                                                                          |
@@ -245,7 +245,7 @@ for 1022 endpoints on the host.
 | `FlowLogsAggregationThresholdBytes`     | `FELIX_FLOWLOGSAGGREGATIONTHRESHOLDBYTES`     | `8192`                                | Default threshold to determine how far behind the pipeline for flow logs can get before aggregation starts in. Detecting a difference of 8192 bytes means increase 1 level, while a difference of 16384 means increasing two levels. This parameter will be used only when `FlowLogsDynamicAggregationEnabled` is set to `true`.                                                                                                                                                                                                                                                                   |
 | `FlowLogsCollectProcessInfo`            | `FELIX_FLOWLOGSCOLLECTPROCESSINFO`            | `true`                                | If enabled Felix will load the kprobe BPF programs to collect process info.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
 | `FlowLogsCollectTcpStats`               | `FELIX_FLOWLOGSCOLLECTTCPSTATS`               | `true`                                | If enabled Felix will collect TCP socket stats using BPF and requires a recent kernel that supports BPF                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
-| `FlowLogsCollectProcessPath`            | `FELIX_FLOWLOGSCOLLECTPROCESSPATH`            | `true`                                | If enabled, along with FlowLogsCollectProcessInfo, each flow log will contain the full path of the process executable and the arguments with which the executable was invoked. If path or arguments cannot be determined, Felix will fallback to using task names and arguments will be empty. For full functionality, this feature should be enabled via operator see [Enabling process path](../../../../visibility/elastic/flow/processpath.mdx)                                                                                                                                                |
+| `FlowLogsCollectProcessPath`            | `FELIX_FLOWLOGSCOLLECTPROCESSPATH`            | `true`                                | If enabled, along with FlowLogsCollectProcessInfo, each flow log will contain the full path of the process executable and the arguments with which the executable was invoked. If path or arguments cannot be determined, Felix will fallback to using task names and arguments will be empty. For full functionality, this feature should be enabled via operator see [Enabling process path](../../../../observability/elastic/flow/processpath.mdx)                                                                                                                                                |
 | `FlowLogsFilePerFlowProcessLimit`       | `FELIX_FLOWLOGSFILEPERFLOWPROCESSLIMIT`       | `2`                                   | Specify the maximum number of flow log entries with distinct process information beyond which process information will be aggregated.                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
 | `FlowLogsFilePerFlowProcessArgsLimit`   | `FELIX_FLOWLOGSFILEPERFLOWPROCESSARGSLIMIT`   | `5`                                   | Specify the maximum number of arguments beyond which the process arguments will be aggregated.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
 | `DNSCacheFile`                          | `FELIX_DNSCACHEFILE`                          | `/var/run/calico/felix-dns-cache.txt` | The name of the file that Felix uses to preserve learned DNS information when restarting.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |