Update CE repo readme with mermaid diagrams

README.md

@@ -43,3 +43,92 @@ Please share any issues or questions regarding the HTCondor-CE via the following
 - [[email protected]](mailto:[email protected]): For issues and questions containing private information.
 - [[email protected]](mailto:[email protected]): For issues regarding security problems/vunerabilities.
   For more information regarding reporting security problems go to [HTCSS Security](https://htcondor.org/security/).
+
+Diagrams
+--------
+### HTCondor-CE workflow
+``` mermaid
+flowchart LR %% Specify diagram type and direction
+
+%% ID FORMAT:
+%% - External nodes are numbered (0 - 100)
+%% - Internal nodes are alphabetic (A - Z)
+%% - Nodes within nested subgraphs are
+%%   are labelled by double letters (AA - ZZ)
+%% - All subgraph names are capitalized (Blahp)
+%%   while nodes with the same name are lowercase (blahp)
+
+subgraph HTCondor-CE
+	%%direction LR %% Flowchart direction statement overrides statements in connected subgraphs; comment these out.
+	A[[SchedD]] --> B(Job Router)
+	B -. Routed Job .-> A
+	A -.-> C{Grid Mgr.}
+	D[(Log)] --> C
+end
+
+subgraph Blahp
+	%%direction LR
+	subgraph lsf_*.sh %% Configure nested subgraphs above internal nodes
+		direction LR %% Set direction of isolated subgraphs
+		AA[submit] ---|OR| BB[cancel]
+		BB ---|OR| CC[status]
+	end
+	E[[blahp]] --> lsf_*.sh
+	F[common_sub</br>_attr.sh] -->|attrs| lsf_*.sh
+	lsf_*.sh -->|args| F
+end
+
+subgraph Batch Sys
+	%%direction LR
+	G((qsub))
+end
+
+%% -- External Nodes --
+0>Job Ad]
+%% -- External Nodes --
+
+%% -- Subgraph Links --
+C <--> E
+lsf_*.sh --> G
+0 --> A
+%% -- Subgraph Links --
+```
+
+### Bosco Cluster workflow
+```mermaid
+flowchart LR %% Specify diagram type and direction
+
+%% ID FORMAT:
+%% - External nodes are numbered (0 - 100)
+%% - Internal nodes are alphabetic (A - Z)
+%% - Nodes within nested subgraphs are
+%%   are labelled by double letters (AA - ZZ)
+%% - All subgraph names are capitalized (Blahp)
+%%   while nodes with the same name are lowercase (blahp)
+
+subgraph Bosco Cluster
+  %%direction LR %% Flowchart direciton statement overrides statements in connected subgraphs; comment these out
+  A[schedd] --> B[Grid</br>Manager]
+  C[SP] --> B
+  B --- D[ssh]
+  B --- E[ssh]
+  E --> |FT|B
+  C -. Data Channel .- E
+end
+
+subgraph Remote Submit
+  %%direction LR
+  F[sshd] --> G[blahp]
+  H[sshd] --> I[FTGahp] %% FTGahp capitalized to be legible
+end
+
+%% -- External Nodes --
+0>Job Ad]
+%% -- External Nodes --
+
+%% -- Subgraph Links --
+D ===|Blahp:</br>-stdin</br>-stdout</br>-stderr| F
+E ===|File:</br>-stdin</br>-stdout</br>-stderr| H
+0 --> A
+%% -- Subgraph Links --
+```