prep release 2.2.1

Author: slim-bean

CHANGELOG.md

@@ -1,3 +1,16 @@
+## 2.2.1 (2021/04/05)
+
+2.2.1 fixes several important bugs, it is recommended everyone running 2.2.0 upgrade to 2.2.1
+
+2.2.1 also adds the `labelallow` pipeline stage in Promtail which lets an allowlist be created for what labels will be sent by Promtail to Loki.
+
+* [3468](https://github.com/grafana/loki/pull/3468) **adityacs**: Support labelallow stage in Promtail
+* [3502](https://github.com/grafana/loki/pull/3502) **cyriltovena**: Fixes a bug where unpack would mutate log line.
+* [3540](https://github.com/grafana/loki/pull/3540) **cyriltovena**: Support for single step metric query.
+* [3550](https://github.com/grafana/loki/pull/3550) **cyriltovena**: Fixes a bug in MatrixStepper when sharding queries.
+* [3566](https://github.com/grafana/loki/pull/3566) **cyriltovena**: Properly release the ticker in Loki client.
+* [3573](https://github.com/grafana/loki/pull/3573) **cyriltovena**: Fixes a race when using specific tenant and multi-client.
+
 ## 2.2.0 (2021/03/10)
 
 With over 200 PR's 2.2 includes significant features, performance improvements, and bug fixes!

docs/sources/installation/docker.md

@@ -18,10 +18,10 @@ For production, we recommend installing with Tanka or Helm.
 Copy and paste the commands below into your command line.
 
 ```bash
-wget https://raw.githubusercontent.com/grafana/loki/v2.2.0/cmd/loki/loki-local-config.yaml -O loki-config.yaml
-docker run -v $(pwd):/mnt/config -p 3100:3100 grafana/loki:2.2.0 -config.file=/mnt/config/loki-config.yaml
-wget https://raw.githubusercontent.com/grafana/loki/v2.2.0/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
-docker run -v $(pwd):/mnt/config -v /var/log:/var/log grafana/promtail:2.2.0 -config.file=/mnt/config/promtail-config.yaml
+wget https://raw.githubusercontent.com/grafana/loki/v2.2.1/cmd/loki/loki-local-config.yaml -O loki-config.yaml
+docker run -v $(pwd):/mnt/config -p 3100:3100 grafana/loki:2.2.1 -config.file=/mnt/config/loki-config.yaml
+wget https://raw.githubusercontent.com/grafana/loki/v2.2.1/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
+docker run -v $(pwd):/mnt/config -v /var/log:/var/log grafana/promtail:2.2.1 -config.file=/mnt/config/promtail-config.yaml
 ```
 
 When finished, `loki-config.yaml` and `promtail-config.yaml` are downloaded in the directory you chose. Docker containers are running Loki and Promtail using those config files.
@@ -36,10 +36,10 @@ Copy and paste the commands below into your terminal. Note that you will need to
 
 ```bash
 cd "<local-path>"
-wget https://raw.githubusercontent.com/grafana/loki/v2.2.0/cmd/loki/loki-local-config.yaml -O loki-config.yaml
-docker run -v <local-path>:/mnt/config -p 3100:3100 grafana/loki:2.2.0 --config.file=/mnt/config/loki-config.yaml
-wget https://raw.githubusercontent.com/grafana/loki/v2.2.0/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
-docker run -v <local-path>:/mnt/config -v /var/log:/var/log grafana/promtail:2.2.0 --config.file=/mnt/config/promtail-config.yaml
+wget https://raw.githubusercontent.com/grafana/loki/v2.2.1/cmd/loki/loki-local-config.yaml -O loki-config.yaml
+docker run -v <local-path>:/mnt/config -p 3100:3100 grafana/loki:2.2.1 --config.file=/mnt/config/loki-config.yaml
+wget https://raw.githubusercontent.com/grafana/loki/v2.2.1/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
+docker run -v <local-path>:/mnt/config -v /var/log:/var/log grafana/promtail:2.2.1 --config.file=/mnt/config/promtail-config.yaml
 ```
 
 When finished, `loki-config.yaml` and `promtail-config.yaml` are downloaded in the directory you chose. Docker containers are running Loki and Promtail using those config files.
@@ -51,6 +51,6 @@ Navigate to http://localhost:3100/metrics to view the output.
 Run the following commands in your command line. They work for Windows or Linux systems.
 
 ```bash
-wget https://raw.githubusercontent.com/grafana/loki/v2.2.0/production/docker-compose.yaml -O docker-compose.yaml
+wget https://raw.githubusercontent.com/grafana/loki/v2.2.1/production/docker-compose.yaml -O docker-compose.yaml
 docker-compose -f docker-compose.yaml up
 ```

docs/sources/upgrading/_index.md

@@ -19,6 +19,10 @@ If possible try to stay current and do sequential updates. If you want to skip v
 
 -_add changes here which are unreleased_
 
+## 2.2.1
+
+Review the notes for 2.2.0, there are no additional update notes.
+
 ## 2.2.0
 
 ### Loki