Fix white space noise

.circleci/config.yml

@@ -11,9 +11,12 @@ workflows:
 jobs:
   lint:
     docker:
-      - image: grafana/cortex-jsonnet-build-image:e19ece2
+      - image: grafana/cortex-jsonnet-build-image:3527936
     steps:
       - checkout
+      - run:
+          name: "Check white noise"
+          command: make check-white-noise
       - run:
           name: "Lint mixin"
           command: make lint-mixin
@@ -23,7 +26,7 @@ jobs:
 
   build:
     docker:
-      - image: grafana/cortex-jsonnet-build-image:e19ece2
+      - image: grafana/cortex-jsonnet-build-image:3527936
     steps:
       - checkout
       - run: make build-mixin
@@ -32,7 +35,7 @@ jobs:
 
   test-readme:
     docker:
-      - image: grafana/cortex-jsonnet-build-image:e19ece2
+      - image: grafana/cortex-jsonnet-build-image:3527936
     steps:
       - checkout
       - run: make test-readme

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## master / unreleased
 
-* [ENHANCEMENT] Cortex-mixin: Include `cortex-gw-internal` naming variation in default `gateway` job names. #328 
+* [ENHANCEMENT] Cortex-mixin: Include `cortex-gw-internal` naming variation in default `gateway` job names. #328
 * [CHANGE] `namespace` template variable in dashboards now only selects namespaces for selected clusters. #311
 * [CHANGE] Alertmanager: mounted overrides configmap to alertmanager too. #315
 * [CHANGE] Memcached: upgraded memcached from `1.5.17` to `1.6.9`. #316

Makefile

@@ -2,6 +2,11 @@
 
 JSONNET_FMT := jsonnetfmt
 
+# Support gsed/gfind on OSX (installed via brew), falling back to sed/find. On Linux
+# systems gsed/gfind won't be installed, so will use sed/gfind as expected.
+SED ?= $(shell which gsed 2>/dev/null || which sed)
+FIND ?= $(shell which gfind 2>/dev/null || which find)
+
 lint: lint-mixin lint-playbooks
 
 lint-mixin: lint-mixin-with-mixtool lint-mixin-with-jsonnetfmt
@@ -50,3 +55,10 @@ test-readme:
 	cp -r ../cortex ./vendor/ && \
 	cp vendor/cortex/cortex-manifests.jsonnet.example environments/default/main.jsonnet && \
 	PAGER=cat tk show environments/default
+
+clean-white-noise:
+	@$(FIND) . -type f -regextype posix-extended -regex '.*(md|libsonnet)' -print | \
+	SED_BIN="$(SED)" xargs ./scripts/cleanup-white-noise.sh
+
+check-white-noise: clean-white-noise
+	@git diff --exit-code --quiet || (echo "Please remove trailing whitespaces running 'make clean-white-noise'" && false)

build-image/Dockerfile

@@ -30,7 +30,7 @@ FROM golang:1.15-alpine AS mixtool-builder
 RUN GO111MODULE=on go get github.com/monitoring-mixins/mixtool/cmd/mixtool@ae18e31161ea10545b9c1ac0d23c10122f2c12b5
 
 FROM alpine:3.13
-RUN apk add --no-cache git make libgcc libstdc++ zip
+RUN apk add --no-cache git make libgcc libstdc++ zip findutils sed
 COPY --from=jsonnet-builder /usr/bin/jsonnetfmt /usr/bin
 COPY --from=jsonnet-builder /usr/bin/jsonnet /usr/bin
 COPY --from=jb-builder /usr/bin/jb /usr/bin

cortex-mixin/alerts/alerts.libsonnet

@@ -599,7 +599,7 @@
               container_memory_working_set_bytes{container="etcd"}
                 /
               container_spec_memory_limit_bytes{container="etcd"}
-            ) > 0.65 
+            ) > 0.65
           |||,
           'for': '15m',
           labels: {

cortex-mixin/dashboards/dashboard-utils.libsonnet

@@ -383,8 +383,8 @@ local utils = import 'mixin-utils/utils.libsonnet';
                 name="%(cacheName)s"
               }[$__rate_interval]
             )
-          ) 
-          / 
+          )
+          /
           sum(
             rate(
               thanos_cache_memcached_requests_total{
@@ -405,20 +405,20 @@ local utils = import 'mixin-utils/utils.libsonnet';
       ignoring(%s) group_right() (
         label_replace(
           count by(
-            %s, 
-            %s, 
+            %s,
+            %s,
             device
-          ) 
+          )
           (
             container_fs_writes_bytes_total{
               %s,
               container="%s",
               device!~".*sda.*"
             }
-          ), 
-          "device", 
-          "$1", 
-          "device", 
+          ),
+          "device",
+          "$1",
+          "device",
           "/dev/(.*)"
         ) * 0
       )

cortex-mixin/dashboards/reads.libsonnet

@@ -16,15 +16,15 @@ local utils = import 'mixin-utils/utils.libsonnet';
             Incoming queries travel from the gateway → query frontend → query scheduler → querier → ingester and/or store-gateway (depending on the time range of the query).
             <br/>
             For each service, there are 3 panels showing (1) requests per second to that service, (2) average, median, and p99 latency of requests to that service, and (3) p99 latency of requests to each instance of that service.
-          </p> 
+          </p>
           <p>
-            The dashboard also shows metrics for the 4 optional caches that can be deployed with Cortex: 
-            the query results cache, the metadata cache, the chunks cache, and the index cache. 
+            The dashboard also shows metrics for the 4 optional caches that can be deployed with Cortex:
+            the query results cache, the metadata cache, the chunks cache, and the index cache.
             <br/>
-            These panels will show “no data” if the caches are not deployed. 
+            These panels will show “no data” if the caches are not deployed.
           </p>
           <p>
-            Lastly, it also includes metrics for how the ingester and store-gateway interact with object storage. 
+            Lastly, it also includes metrics for how the ingester and store-gateway interact with object storage.
           </p>
         |||),
       )
@@ -45,7 +45,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
                 route=~"(prometheus|api_prom)_api_v1_query"
               }[$__rate_interval]
             )
-          ) + 
+          ) +
           sum(
             rate(
               cortex_prometheus_rule_evaluations_total{
@@ -61,7 +61,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
           'Instant queries per second',
           |||
             Rate of instant queries per second being made to the system.
-            Includes both queries made to the <tt>/prometheus</tt> API as 
+            Includes both queries made to the <tt>/prometheus</tt> API as
             well as queries from the ruler.
           |||
         ),
@@ -83,8 +83,8 @@ local utils = import 'mixin-utils/utils.libsonnet';
         $.panelDescription(
           'Range queries per second',
           |||
-            Rate of range queries per second being made to 
-            Cortex via the <tt>/prometheus</tt> API. 
+            Rate of range queries per second being made to
+            Cortex via the <tt>/prometheus</tt> API.
           |||
         ),
       )
@@ -135,7 +135,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
               The query scheduler is an optional service that moves
               the internal queue from the query-frontend into a
               separate component.
-              If this service is not deployed, 
+              If this service is not deployed,
               these panels will show "No data."
             </p>
           |||
@@ -286,8 +286,8 @@ local utils = import 'mixin-utils/utils.libsonnet';
                   %s
                 }[$__rate_interval]
               )
-            ) 
-            / 
+            )
+            /
             sum by(item_type) (
               rate(
                 thanos_store_index_cache_requests_total{
@@ -307,7 +307,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
           'Hit Ratio',
           |||
             Even if you do not set up memcached for the blocks index cache, you will still see data in this panel because Cortex by default has an
-            in-memory blocks index cache. 
+            in-memory blocks index cache.
           |||
         ),
       )

cortex-mixin/dashboards/writes.libsonnet

@@ -11,16 +11,16 @@ local utils = import 'mixin-utils/utils.libsonnet';
         $.textPanel('', |||
           <p>
             This dashboard shows various health metrics for the Cortex write path.
-            It is broken into sections for each service on the write path, 
+            It is broken into sections for each service on the write path,
             and organized by the order in which the write request flows.
             <br/>
             Incoming metrics data travels from the gateway → distributor → ingester.
             <br/>
             For each service, there are 3 panels showing
-            (1) requests per second to that service, 
-            (2) average, median, and p99 latency of requests to that service, and 
+            (1) requests per second to that service,
+            (2) average, median, and p99 latency of requests to that service, and
             (3) p99 latency of requests to each instance of that service.
-          </p> 
+          </p>
           <p>
             It also includes metrics for the key-value (KV) stores used to manage
             the high-availability tracker and the ingesters.
@@ -216,7 +216,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
         $.panelDescription(
           'Uploaded blocks / sec',
           |||
-            The rate of blocks being uploaded from the ingesters 
+            The rate of blocks being uploaded from the ingesters
             to object storage.
           |||
         ),
@@ -227,7 +227,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
         $.panelDescription(
           'Upload latency',
           |||
-            The average, median (50th percentile), and 99th percentile time 
+            The average, median (50th percentile), and 99th percentile time
             the ingesters take to upload blocks to object storage.
           |||
         ),
@@ -247,7 +247,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
           |||
             Ingesters maintain a local TSDB per-tenant on disk. Each TSDB maintains a head block for each
             active time series; these blocks get periodically compacted (by default, every 2h).
-            This panel shows the rate of compaction operations across all TSDBs on all ingesters. 
+            This panel shows the rate of compaction operations across all TSDBs on all ingesters.
           |||
         ),
       )
@@ -275,7 +275,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
         $.panelDescription(
           'WAL truncations per second',
           |||
-            The WAL is truncated each time a new TSDB block is written. This panel measures the rate of 
+            The WAL is truncated each time a new TSDB block is written. This panel measures the rate of
             truncations.
           |||
         ),
@@ -289,7 +289,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
         $.panelDescription(
           'Checkpoints created per second',
           |||
-            Checkpoints are created as part of the WAL truncation process. 
+            Checkpoints are created as part of the WAL truncation process.
             This metric measures the rate of checkpoint creation.
           |||
         ),
@@ -301,7 +301,7 @@ local utils = import 'mixin-utils/utils.libsonnet';
         $.panelDescription(
           'WAL truncations latency (including checkpointing)',
           |||
-            Average time taken to perform a full WAL truncation, 
+            Average time taken to perform a full WAL truncation,
             including the time taken for the checkpointing to complete.
           |||
         ),

cortex-mixin/docs/playbooks.md

@@ -16,7 +16,7 @@ In events you're looking for things like:
 ```
 57m Normal NodeControllerEviction Pod Marking for deletion Pod ingester-01 from Node cloud-provider-node-01
 37m Normal SuccessfulDelete ReplicaSet (combined from similar events): Deleted pod: ingester-01
-32m         Normal    NodeNotReady              Node   Node cloud-provider-node-01 status is now: NodeNotReady 
+32m         Normal    NodeNotReady              Node   Node cloud-provider-node-01 status is now: NodeNotReady
 28m         Normal    DeletingAllPods           Node   Node cloud-provider-node-01 event: Deleting all Pods from Node cloud-provider-node-01.
 ```
 
@@ -313,7 +313,7 @@ gsutil mv gs://BUCKET/TENANT/BLOCK gs://BUCKET/TENANT/corrupted-BLOCK
 
 ### CortexBucketIndexNotUpdated
 
-This alert fires when the bucket index, for a given tenant, is not updated since a long time. The bucket index is expected to be periodically updated by the compactor and is used by queriers and store-gateways to get an almost-updated view over the bucket store. 
+This alert fires when the bucket index, for a given tenant, is not updated since a long time. The bucket index is expected to be periodically updated by the compactor and is used by queriers and store-gateways to get an almost-updated view over the bucket store.
 
 How to **investigate**:
 - Ensure the compactor is successfully running
@@ -557,7 +557,7 @@ metadata:
 spec:
   accessModes:
   - ReadWriteOnce
-  capacity: 
+  capacity:
     storage: 150Gi
   gcePersistentDisk:
     fsType: ext4

cortex-mixin/groups.libsonnet

@@ -29,7 +29,7 @@
       if alert_aggregation_labels_override != null
       then std.trace(
         |||
-          Deprecated: _config.alert_aggregation_labels 
+          Deprecated: _config.alert_aggregation_labels
             This field has been explicitly overridden to "%s".
             Instead, express the override in terms of _config.cluster_labels.
               E.g., cluster_labels: %s will automatically convert to "%s".

scripts/cleanup-white-noise.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+SED_BIN=${SED_BIN:-sed}
+
+${SED_BIN} -i 's/[ \t]*$//' "$@"