https://ohcnwiki.tellmey.fyi/index.php?action=history&feed=atom&title=TELEICU%2FMiddleware_components 2026-07-06T08:43:46Z Revision history for this page on the wiki MediaWiki 1.45.4 https://ohcnwiki.tellmey.fyi/index.php?title=TELEICU/Middleware_components&diff=281&oldid=prev 2026-07-06T03:09:34Z

<p>Automated edit (via update-page on MediaWiki MCP Server)</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:39, 6 July 2026</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 68:</td> <td colspan="2" class="diff-lineno">Line 68:</td> </tr> <tr> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>All middleware images are pinned to specific digests and served from the in-cluster registry or a private image repository. No site pulls from public registries at runtime — images are pre-cached for offline operation.</div></td> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>All middleware images are pinned to specific digests and served from the in-cluster registry or a private image repository. No site pulls from public registries at runtime — images are pre-cached for offline operation.</div></td> </tr> <tr> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>{{Navbox TELEICU}}</div></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== Related ==</div></td> <td colspan="2" class="diff-empty diff-side-added"></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><br /></td> <td colspan="2" class="diff-empty diff-side-added"></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[TELEICU/Topology|Topology]]</div></td> <td colspan="2" class="diff-empty diff-side-added"></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[TELEICU/Security baseline|Security baseline]]</div></td> <td colspan="2" class="diff-empty diff-side-added"></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[TELEICU/Incident management|Incident management]]</div></td> <td colspan="2" class="diff-empty diff-side-added"></td> </tr> <tr> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{Related}}</div></td> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{Related}}</div></td> </tr> <!-- diff cache key mediawiki:diff:1.41:old-243:rev-281:wikidiff2=table:1.14.2:bc2a06be --> </table>

Admin https://ohcnwiki.tellmey.fyi/index.php?title=TELEICU/Middleware_components&diff=243&oldid=prev 2026-07-06T02:52:32Z

<p>Create TELEICU middleware components reference page (via create-page on MediaWiki MCP Server)</p> <p><b>New page</b></p><div>{{Doc header<br /> |type=reference<br /> |domain=teleicu<br /> |title=Middleware components<br /> |order=4<br /> }}<br /> <br /> The containerized middleware workloads that run on every K3s agent node at spoke and hub sites.<br /> <br /> == Core middleware ==<br /> <br /> {| class=&quot;wikitable&quot;<br /> |-<br /> ! Component<br /> ! Role<br /> ! Notes<br /> |-<br /> | Cloudflare Tunnel (cloudflared)<br /> | Secure outbound tunnel to Cloudflare edge<br /> | Credentials managed via sops; only outbound connection needed<br /> |-<br /> | TELEICU streaming service<br /> | Real-time patient data relay between spoke and hub<br /> | Core clinical middleware; latency-sensitive<br /> |-<br /> | Local image registry (zot / harbor)<br /> | Caches container images locally for offline resilience<br /> | Sites can operate from cache during internet disruption<br /> |-<br /> | Node monitoring agent<br /> | Classifies downtime cause (power vs network vs other)<br /> | Feeds into the incident notification chain<br /> |-<br /> | Vector / Alloy<br /> | Log shipping to centralized Loki/VictoriaMetrics<br /> | Buffered locally when offline, ships on reconnect<br /> |-<br /> | VictoriaMetrics agent (vmagent)<br /> | Metrics scrape and remote-write to central VM<br /> | Buffers on disk during disconnection<br /> |}<br /> <br /> == Control plane services (cloud VMs only) ==<br /> <br /> {| class=&quot;wikitable&quot;<br /> |-<br /> ! Component<br /> ! Role<br /> |-<br /> | K3s server (etcd)<br /> | Control plane with embedded HA etcd<br /> |-<br /> | VictoriaMetrics (single-node or cluster)<br /> | Time-series database for all 200+ node metrics<br /> |-<br /> | Grafana<br /> | Dashboards and alerting<br /> |-<br /> | Git mirror / webhook receiver<br /> | Trigger for configuration updates (comin / ansible-pull)<br /> |-<br /> | Incident manager<br /> | Routes alerts to hub admins based on downtime classification<br /> |}<br /> <br /> == Standard container images ==<br /> <br /> All middleware images are pinned to specific digests and served from the in-cluster registry or a private image repository. No site pulls from public registries at runtime — images are pre-cached for offline operation.<br /> <br /> == Related ==<br /> <br /> * [[TELEICU/Topology|Topology]]<br /> * [[TELEICU/Security baseline|Security baseline]]<br /> * [[TELEICU/Incident management|Incident management]]<br /> <br /> {{Related}}</div>

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