docs: use https for fluentd.org links

appendix/README.md

@@ -7,4 +7,4 @@ This section collects supplementary articles that do not fit into the other sect
 * [Update from v0.12 to v1](update-from-v0.12.md): how to update Fluentd to v1.0 from v0.12 or earlier.
 * [td-agent v2 vs v3 vs v4](td-agent-v2-vs-v3-vs-v4.md): differences between the `td-agent` series, kept for reference. Note that `td-agent` has already reached End of Life \(EOL\); use [`fluent-package`](../installation/install-fluent-package/) instead.
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.

appendix/td-agent-v2-vs-v3-vs-v4.md

@@ -59,5 +59,5 @@ This is for v0.12 and old distribution users. We don't recommend this version fo
 * [macOS](../installation/install-by-dmg-td-agent-v4.md)
 * [RubyGems](../installation/install-by-gem.md)
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under [the Apache License 2.0.](https://www.apache.org/licenses/LICENSE-2.0)
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under [the Apache License 2.0.](https://www.apache.org/licenses/LICENSE-2.0)
 

appendix/update-from-v0.12.md

@@ -85,5 +85,5 @@ Fluentd v1 changes buffer mechanism for flexibility. The new buffer consists of
 
 Log forwarding from v0.12 to v1.0 is no problem but log forwarding from v1.0 to v0.12 has a problem due to timestamp change. See [`in_forward`'s FAQ](https://fluentd.gitbook.io/manual/v/0.12/input/forward#i-got-messagepack-unknownexttypeerror-error-why)
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

buffer/README.md

@@ -216,5 +216,5 @@ This sometimes causes a problem when the output destination has a payload size l
 * [`buf_memory`](memory.md)
 * [`buf_file`](file.md)
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

buffer/file.md

@@ -171,5 +171,5 @@ If such a character was included in the path, it might be trouble (ignored) afte
 As a workaround, override `path` parameter in `<buffer>` section which does not contain such a character.
 {% endhint %}
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

buffer/file_single.md

@@ -107,5 +107,5 @@ This limitation will be removed by adding the metadata header in the file in the
 Caution: `file_single` buffer implementation depends on the characteristics of the local file system. Don't use `file_single` buffer on remote file systems e.g. NFS, GlusterFS, HDFS and etc. We observed major data loss by using remote file system.
 {% endhint %}
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

buffer/memory.md

@@ -24,5 +24,5 @@ If you want to understand buffer behavior precisely, see [Buffer Section Configu
 </match>
 ```
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/buffer-section.md

@@ -604,4 +604,4 @@ With `exponential_backoff`, `retry_wait` interval will be calculated as below:
 * total retry time: `c + c*b^1 + (...) + c*b^(k-1) = c*(b^k - 1) / (b - 1)`
   * = `2^k - 1` by default
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.

configuration/config-file-yaml.md

@@ -616,4 +616,4 @@ The backslash `\` is interpreted as an escape character. You need `\` for settin
 str_param:   "foo\nbar" # \n is interpreted as actual LF character
 ```
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.

configuration/config-file.md

@@ -682,5 +682,5 @@ The backslash `\` is interpreted as an escape character. You need `\` for settin
 str_param   "foo\nbar" # \n is interpreted as actual LF character
 ```
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/extract-section.md

@@ -96,5 +96,5 @@ The **extract** section can be under `<match>`, `<source>`, or `<filter>` sectio
     4. Region/Zone \(e.g. `Asia/Tokyo`\)
     5. Region/Zone/Zone \(e.g. `America/Argentina/Buenos_Aires`\)
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/format-section.md

@@ -115,5 +115,5 @@ The `@type` parameter specifies the type of the formatter plugin.
     4. Region/Zone \(e.g. `Asia/Tokyo`\)
     5. Region/Zone/Zone \(e.g. `America/Argentina/Buenos_Aires`\)
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/inject-section.md

@@ -134,5 +134,5 @@ Injected Record:
     4. Region/Zone \(e.g. `Asia/Tokyo`\)
     5. Region/Zone/Zone \(e.g. `America/Argentina/Buenos_Aires`\)
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/parse-section.md

@@ -216,5 +216,5 @@ For the `types` parameter, the following types are supported:
 
   In the above use case, the timestamp is parsed as `unixtime` at first, if it fails, then it is parsed as `%iso8601` secondary. Note that `time_format_fallbacks` is the last resort to parse mixed timestamp format. There is a performance penalty \(Typically, N fallbacks are specified in `time_format_fallbacks` and if the last specified format is used as a fallback, N times slower in the worst case\).
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/plugin-common-parameters.md

@@ -95,5 +95,5 @@ NOTE: The values for the `@label` parameter MUST start with `@` character.
 
 Specifying `@label` is strongly recommended to route events to any plugin without modifying the tags. It helps make the complex configuration modular and simple.
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/routing-examples.md

@@ -184,5 +184,5 @@ Use [out\_relabel](../output/relabel.md) plugin. This plugin simply emits events
 </label>
 ```
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/service_discovery-section.md

@@ -46,5 +46,5 @@ The `@type` parameter specifies the type of service discovery plugin.
 </service_discovery>
 ```
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/storage-section.md

@@ -56,5 +56,5 @@ The following parameters are common to all storage plugins. Individual storage p
 * **`save_at_shutdown`** \(bool\) \(optional\): If `true`, the storage saves its data when the plugin shuts down. This takes effect regardless of `persistent` and `autosave`.
   * Default: `true`
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

configuration/transport-section.md

@@ -168,5 +168,5 @@ For `<transport tls>`:
 * `generate_cert_digest`: \[enum: `sha1`/`sha256`/`sha384`/`sha512`\]
   * Default: `sha256`
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
 

container-deployment/docker-compose.md

@@ -181,7 +181,7 @@ Then, go to `Discover` tab to check the logs. As you can see, logs are properly
 
 * [Fluentd: Architecture](https://www.fluentd.org/architecture)
 * [Fluentd: Get Started](../quickstart/)
-* [Downloading Fluentd](http://www.fluentd.org/download)
+* [Downloading Fluentd](https://www.fluentd.org/download)
 
-If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.
+If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](https://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.