Link fixes via aliases and the webserver (#3667)

* fixed broken links, updated edge.js, closes #3642

* updated edge.js with fixed redirects

* removed duplicate alias

content/enterprise_influxdb/v1.9/flux/flux-vs-influxql.md

@@ -106,7 +106,7 @@ join(
 ### Sort by tags
 InfluxQL's sorting capabilities are very limited, allowing you only to control the
 sort order of `time` using the `ORDER BY time` clause.
-Flux's [`sort()` function](/{{< latest "flux" >}}/stdlib/universer/sort) sorts records based on list of columns.
+Flux's [`sort()` function](/{{< latest "flux" >}}/stdlib/universe/sort) sorts records based on list of columns.
 Depending on the column type, records are sorted lexicographically, numerically, or chronologically.
 
 ```js

content/flux/v0.x/_index.md

@@ -9,6 +9,7 @@ menu:
 weight: 1
 aliases:
   - /influxdb/v2.0/reference/flux/
+  - /influxdb/v2.1/reference/flux/
   - /influxdb/cloud/reference/flux/
 ---
 

content/flux/v0.x/spec/_index.md

@@ -10,6 +10,7 @@ weight: 2
 aliases:
   - /influxdb/v2.0/reference/flux/language/
   - /influxdb/cloud/reference/flux/language/
+  - /flux/v0.x/language/
 flux/v0.x/tags: [flux]
 ---
 

content/flux/v0.x/stdlib/_index.md

@@ -6,7 +6,11 @@ description: >
 aliases:
   - /influxdb/v2.0/reference/flux/functions/
   - /influxdb/v2.0/reference/flux/stdlib/
+  - /influxdb/v2.1/reference/flux/functions/
+  - /influxdb/v2.1/reference/flux/stdlib/
   - /influxdb/cloud/reference/flux/stdlib/
+  - /influxdb/cloud/reference/flux/stdlib/
+  - /flux/v0.x/functions/
 flux/v0.x/tags: [flux, functions, package]
 menu:
   flux_0_x_ref:

content/flux/v0.x/stdlib/array/_index.md

@@ -9,6 +9,7 @@ aliases:
   - /influxdb/cloud/reference/flux/stdlib/experimental/array/
   - /influxdb/v2.0/reference/flux/stdlib/array/
   - /influxdb/cloud/reference/flux/stdlib/array/
+  - /flux/v0.x/stdlib/experimental/array/
 menu:
   flux_0_x_ref:
     name: array

content/flux/v0.x/stdlib/array/from.md

@@ -7,6 +7,7 @@ aliases:
   - /influxdb/cloud/reference/flux/stdlib/array/from/
   - /influxdb/v2.0/reference/flux/stdlib/experimental/array/from/
   - /influxdb/cloud/reference/flux/stdlib/experimental/array/from/
+  - /flux/v0.x/stdlib/experimental/array/from/
 menu:
   flux_0_x_ref:
     name: array.from

deploy/edge.js

@@ -97,6 +97,9 @@ exports.handler = (event, context, callback) => {
   //////////////////////////// v2 subdomain redirect ///////////////////////////
   permanentRedirect(request.headers.host[0].value === 'v2.docs.influxdata.com', `https://docs.influxdata.com${request.uri}`);
 
+  ///////////////////////// Force v in version numbers /////////////////////////
+  permanentRedirect(/(^\/[\w]*\/)(\d\.)/.test(request.uri), request.uri.replace(/(^\/[\w]*\/)(\d\.)/, `$1v$2`));
+
   ////////////////////////// Latest version redirects //////////////////////////
   temporaryRedirect(/\/influxdb\/latest/.test(request.uri), request.uri.replace(/\/latest/, `/${latestVersions['influxdb']}`));
   temporaryRedirect(/\/telegraf\/latest/.test(request.uri), request.uri.replace(/\/latest/, `/${latestVersions['telegraf']}`));
@@ -130,6 +133,15 @@ exports.handler = (event, context, callback) => {
   temporaryRedirect(/\/influxdb\/(?:v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\/built-in\/transformations\/$/.test(request.uri), `/flux/${latestVersions['flux']}/function-types/`);
   temporaryRedirect(/\/influxdb\/(v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\/built-in\/$/.test(request.uri), `/flux/${latestVersions['flux']}/stdlib/universe/`);
 
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/built-in\/(?:inputs\/|outputs\/|misc\/|tests\/)(\w+\/$)/.test(request.uri), request.uri.replace(/\/flux\/v0\.x\/stdlib\/built-in\/(?:inputs\/|outputs\/|misc\/|tests\/)(\w+\/$)/, `/flux/${latestVersions['flux']}/stdlib/universe/$1`));
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/built-in\/(?:inputs\/|outputs\/|misc\/|tests\/)$/.test(request.uri), `/flux/${latestVersions['flux']}/function-types/`);
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/built-in\/transformations\/(?:aggregates\/|selectors\/|stream-table\/|type-conversions\/)(\w+\/$)/.test(request.uri), request.uri.replace(/\/flux\/v0\.x\/stdlib\/built-in\/transformations\/(?:aggregates\/|selectors\/|stream-table\/|type-conversions\/)(\w+\/$)/, `/flux/${latestVersions['flux']}/stdlib/universe/$1`));
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/built-in\/transformations\/(?:aggregates\/|selectors\/|stream-table\/|type-conversions\/)/.test(request.uri), `/flux/${latestVersions['flux']}/function-types/`);
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/built-in\/transformations\/(\w+\/$)/.test(request.uri), request.uri.replace(/\/flux\/v0\.x\/stdlib\/built-in\/transformations\/(\w+\/$)/, `/flux/${latestVersions['flux']}/stdlib/universe/$1`));
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/built-in\/transformations\/$/.test(request.uri), `/flux/${latestVersions['flux']}/function-types/`);
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/built-in\/$/.test(request.uri), `/flux/${latestVersions['flux']}/stdlib/universe/`);
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/universe\/(?:inputs\/|outputs\/|misc\/|tests\/|transformations\/|selectors\/|aggregates\/)$/.test(request.uri), `/flux/${latestVersions['flux']}/function-types/`);
+
   // Redirect Flux stdlib/influxdb sections to Flux stdlib/influxdata docs
   temporaryRedirect(/\/influxdb\/(v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\/influxdb\//.test(request.uri), request.uri.replace(/\/influxdb\/(?:v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\/influxdb\//, `/flux/${latestVersions['flux']}/stdlib/influxdata/influxdb/`));
   temporaryRedirect(/\/influxdb\/(v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\/monitor\//.test(request.uri), request.uri.replace(/\/influxdb\/(?:v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\/monitor\//, `/flux/${latestVersions['flux']}/stdlib/influxdata/influxdb/monitor/`));
@@ -157,6 +169,8 @@ exports.handler = (event, context, callback) => {
 
   // Generic Flux stdlib redirect
   temporaryRedirect(/\/influxdb\/(v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\//.test(request.uri), request.uri.replace(/\/influxdb\/(?:v2\.[0-9]{1,2}|cloud)\/reference\/flux\/stdlib\//, `/flux/${latestVersions['flux']}/stdlib/`));
+  temporaryRedirect(/\/flux\/v0\.x\/functions\//.test(request.uri), request.uri.replace(/(\/flux\/v0\.x\/)functions\/(.*)/, `$1stdlib/$2`));
+  temporaryRedirect(/\/flux\/v0\.x\/stdlib\/experimental\/to\/.+/.test(request.uri), request.uri.replace(/(\/flux\/v0\.x\/stdlib\/experimental\/)to\/(.+)/, `$1$2`));
 
   // Redirect outdated Chronograf links
   temporaryRedirect(/\/flux\/v[0,1]\.x\/stdlib\/built-in\/(?:inputs\/|outputs\/|misc\/|tests\/)(\w+\/$)/.test(request.uri), request.uri.replace(/\/flux\/v[0,1]\.x\/stdlib\/built-in\/(?:inputs\/|outputs\/|misc\/|tests\/)(\w+\/$)/, `/flux/${latestVersions['flux']}/stdlib/universe/$1`));