feat(stdlib/contrib): add teams package (#2866)

* feat(stdlib/contrib): add teams package

libflux/go/libflux/buildinfo.gen.go

@@ -68,6 +68,7 @@ var sourceHashes = map[string]string{
 	"libflux/src/flux/build.rs":                                                     "31a4f825297f9b79d1c8692a5fa3ff9211cb87d01650d147128d061588f75abd",
 	"libflux/src/flux/lib.rs":                                                       "2ba8ed60affa0dc1a060b3cc86e94308ecdf644d282352cbefabaa4496c7fb24",
 	"stdlib/contrib/chobbs/discord/discord.flux":                                    "8fd42ce1b459969ec3254dc0215a21b3669e01960a203e93c05284384f3eb49a",
+	"stdlib/contrib/sranka/teams/teams.flux":                                        "57d5656dcb2db79f173e84d551efdbeefb643d028eaaecfff8ee7d2a033f9f50",
 	"stdlib/contrib/sranka/telegram/telegram.flux":                                  "37d1614a215c6ca523e4efa5642ec9104936755a403e5bc4481d82a602f7719b",
 	"stdlib/csv/csv.flux":                                                           "1951875e6e55fb63d0df75937f38b5051fc7bff5ab0a1bdaf8793bd70329c9a2",
 	"stdlib/date/date.flux":                                                         "4eef9579c89bb8b302ce9b78737c6b370638c021c36825744b89917be1e38bd2",

stdlib/contrib/sranka/teams/README.md

@@ -0,0 +1,69 @@
+# Teams Package
+
+Use this Flux Package to send a message to a Microsoft Teams channel using an incoming webhook. See https://docs.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/connectors-using#setting-up-a-custom-incoming-webhook .
+
+## teams.message
+
+`message` sends a single message to Microsoft Teams via incoming web hook. Arguments:
+
+| Name     | Type   | Description                                                       |
+| ----     | ----   | -----------                                                       |
+| url      | string | Incoming web hook URL. |
+| title    | string | Message card title. |
+| text     | string | Message card text. |
+| summary  | string | Message card summary, it can be an empty string to generate summary from text. |
+
+All text fields can be formatted using basic [Markdown ](https://docs.microsoft.com/en-us/outlook/actionable-messages/message-card-reference#text-formatting).
+
+Basic Example:
+
+    import "contrib/sranka/teams"
+
+    lastReported =
+      from(bucket: "example-bucket")
+        |> range(start: -1m)
+        |> filter(fn: (r) => r._measurement == "statuses")
+        |> last()
+        |> tableFind(fn: (key) => true)
+        |> getRecord(idx: 0)
+
+    teams.message(
+      url: "https://outlook.office.com/webhook/12345678-1234-...",
+      title: "Disk Usage"
+      text: "Great Scott!- Disk usage is: *${lastReported.status}*.",
+      summary: "Disk Usage is ${lastReported.status}"
+    )
+
+## teams.endpoint 
+
+`endpoint` function creates a factory function that accepts a mapping function `mapFn` and creates a target function for pipeline `|>` operator that sends messages from table rows. The `mapFn` accepts a table row and returns an object with `title`, `text`, and `summary` as defined in the `teams.message` function arguments. Arguments:
+
+| Name     | Type   | Description                                                       |
+| ----     | ----   | -----------                                                       |
+| url      | string | Incoming web hook URL. |
+
+Basic Example:
+
+    import "contrib/sranka/teams"
+
+    url = "https://outlook.office.com/webhook/12345678-1234-..."
+
+    lastReported =
+    from(bucket: "example-bucket")
+      |> range(start: -1m)
+      |> filter(fn: (r) => r._measurement == "statuses")
+      |> last()
+      |> tableFind(fn: (key) => true)
+      |> teams.endpoint(url: url)(mapFn: (r) => ({
+              title: "Disk Usage"
+              text: "Great Scott!- Disk usage is: **${r.status}**.",
+              summary: "Disk Usage is ${r.status}"
+            })
+         )
+
+## Contact
+
+- Author: Pavel Zavora
+- Email: [email protected]
+- Github: [@sranka](https://github.com/sranka)
+- Influx Slack: [@sranka](https://influxdata.com/slack)