diff --git a/assets/styles/layouts/_layout-article.scss b/assets/styles/layouts/_layout-article.scss index 4d7923045..95bdd3681 100644 --- a/assets/styles/layouts/_layout-article.scss +++ b/assets/styles/layouts/_layout-article.scss @@ -141,12 +141,14 @@ font-family: 'Inconsolata', monospace; } - p code { - padding: .15rem .45rem .25rem; - border-radius: $border-radius; - color: $article-code; - white-space: nowrap; - font-style: normal; + p,li,table,h2,h3,h4,h5,h6 { + code { + padding: .15rem .45rem .25rem; + border-radius: $border-radius; + color: $article-code; + white-space: nowrap; + font-style: normal; + } } a { diff --git a/content/v2.0/query-data/flux/guides/custom-functions.md b/content/v2.0/query-data/flux/guides/custom-functions.md index 11094e717..5f214f5c8 100644 --- a/content/v2.0/query-data/flux/guides/custom-functions.md +++ b/content/v2.0/query-data/flux/guides/custom-functions.md @@ -20,14 +20,14 @@ The basic structure for defining functions in Flux is as follows: functionName = (functionParameters) => functionOperations ``` -##### `functionName` +##### functionName The name used to call the function in your Flux script. -##### `functionParameters` +##### functionParameters A comma-separated list of parameters passed into the function and used in its operations. [Parameter defaults](#define-parameter-defaults) can be defined for each. -##### `functionOperations` +##### functionOperations Operations and functions that manipulate the input into the desired output. #### Basic function examples @@ -52,14 +52,14 @@ multiply = (x, y) => x * y 30 ``` -## Functions that manipulate pipe-forwarded data -Most Flux functions manipulate data pipe-forwarded into the function. -In order for a custom function to process pipe-forwarded data, one of the function +## Functions that manipulate piped-forward data +Most Flux functions manipulate data piped-forward into the function. +In order for a custom function to process piped-forward data, one of the function parameters must capture the input tables using the `<-` pipe-receive expression. In the example below, the `tables` parameter is assigned to the `<-` expression, -which represents all data pipe-forwarded into the function. -`tables` is then pipe-forwarded into other operations in the function definition. +which represents all data piped-forward into the function. +`tables` is then piped-forward into other operations in the function definition. ```js functionName = (tables=<-) => tables |> functionOperations @@ -70,7 +70,8 @@ functionName = (tables=<-) => tables |> functionOperations ###### Multiply row values by x The example below defines a `multByX` function that multiplies the `_value` column of each row in the input table by the `x` parameter. -It uses the [`map()` function](/v2.0/reference/flux/functions/transformations/map) to modify each `_value`. +It uses the [`map()` function](/v2.0/reference/flux/functions/transformations/map) +to modify each `_value`. ```js // Function definition @@ -89,8 +90,8 @@ from(bucket: "telegraf/autogen") ``` ## Define parameter defaults -To define parameters with default values, use the `=` assignment operator to assign -a default in your function definition: +Use the `=` assignment operator to assign a default value to function parameters +in your function definition: ```js functionName = (param1=defaultValue1, param2=defaultValue2) => functionOperation @@ -103,8 +104,10 @@ Defaults are overridden by explicitly defining the parameter in the function cal ###### Get the winner or the "winner" The example below defines a `getWinner` function that returns the record with the highest or lowest `_value` (winner versus "winner") depending on the `noSarcasm` parameter which defaults to `true`. -It uses the [`sort()` function](/v2.0/reference/flux/functions/transformations/sort) to sort records in either descending or ascending order. -It then uses the [`limit()` function](/v2.0/reference/flux/functions/transformations/limit) to return the first record from the sorted table. +It uses the [`sort()` function](/v2.0/reference/flux/functions/transformations/sort) +to sort records in either descending or ascending order. +It then uses the [`limit()` function](/v2.0/reference/flux/functions/transformations/limit) +to return the first record from the sorted table. ```js // Function definition diff --git a/content/v2.0/query-data/flux/guides/execute-queries.md b/content/v2.0/query-data/flux/guides/execute-queries.md index 1e94bb6f1..d96487687 100644 --- a/content/v2.0/query-data/flux/guides/execute-queries.md +++ b/content/v2.0/query-data/flux/guides/execute-queries.md @@ -48,17 +48,18 @@ data = from(bucket: "example-bucket") |> range(start: -10m) # ... ``` ## InfluxDB API -Flux can be used to query InfluxDB through InfluxDB's `/api/v2/query` endpoint. +Query InfluxDB through the `/api/v2/query` endpoint. Queried data is returned in annotated CSV format. In your request, set the following: +- `Authorization` header to `Token ` + your authentication token. - `accept` header to `application/csv` - `content-type` header to `application/vnd.flux` This allows you to POST the Flux query in plain text and receive the annotated CSV response. -Below is an example `curl` command that queries InfluxDB using Flux: +Below is an example `curl` command that queries InfluxDB: {{< code-tabs-wrapper >}} {{% code-tabs %}} @@ -68,18 +69,20 @@ Below is an example `curl` command that queries InfluxDB using Flux: {{% code-tab-content %}} ```bash -curl localhost:8086/api/v2/query -XPOST -sS \ +curl http://localhost:9999/api/v2/query -XPOST -sS \ +-H 'Authorization: Token YOURAUTHTOKEN' \ -H 'accept:application/csv' \ -H 'content-type:application/vnd.flux' \ --d 'from(bucket:"telegraf") - |> range(start:-5m) - |> filter(fn:(r) => r._measurement == "cpu")' +-d 'from(bucket:“test”) + |> range(start:-1000h) + |> group(columns:[“_measurement”], mode:“by”) + |> sum()' ``` {{% /code-tab-content %}} {{% code-tab-content %}} ```bash -curl localhost:8086/api/v2/query -XPOST -sS -H 'accept:application/csv' -H 'content-type:application/vnd.flux' -d 'from(bucket:"telegraf") |> range(start:-5m) |> filter(fn:(r) => r._measurement == "cpu")' +curl http://localhost:9999/api/v2/query -XPOST -sS -H 'Authorization: Token TOKENSTRINGHERE' -H 'accept:application/csv' -H 'content-type:application/vnd.flux' -d 'from(bucket:“test”) |> range(start:-1000h) |> group(columns:[“_measurement”], mode:“by”) |> sum()' ``` {{% /code-tab-content %}} {{< /code-tabs-wrapper >}}