Spelling (#6517)

* spelling: alertmanager

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: attributes

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: autocomplete

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: bootstrap

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: caught

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: chunkenc

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: compaction

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: corrupted

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: deletable

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: expected

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: fine-grained

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: initialized

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: iteration

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: javascript

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: multiple

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: number

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: overlapping

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: possible

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: postings

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: procedure

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: programmatic

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: queuing

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: querier

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: repairing

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: received

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: reproducible

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: retention

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: sample

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: segements

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: semantic

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: software [LICENSE]

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: staging

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: timestamp

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: unfortunately

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* spelling: uvarint

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: subsequently

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: ressamples

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

CHANGELOG.md

@@ -468,7 +468,7 @@ This release includes multiple bugfixes and features. Further, the WAL implement
 
 * [FEATURE] New Service Discovery UI showing labels before and after relabelling.
 * [FEATURE] New Admin APIs added to v1 to delete, snapshot and remove tombstones.
-* [ENHANCEMENT] The graph UI autcomplete now includes your previous queries.
+* [ENHANCEMENT] The graph UI autocomplete now includes your previous queries.
 * [ENHANCEMENT] Federation is now much faster for large numbers of series.
 * [ENHANCEMENT] Added new metrics to measure rule timings.
 * [ENHANCEMENT] Rule evaluation times added to the rules UI.
@@ -587,7 +587,7 @@ https://prometheus.io/docs/prometheus/2.0/migration/
 
 ## 1.6.3 / 2017-05-18
 
-* [BUGFIX] Fix disappearing Alertmanger targets in Alertmanager discovery.
+* [BUGFIX] Fix disappearing Alertmanager targets in Alertmanager discovery.
 * [BUGFIX] Fix panic with remote_write on ARMv7.
 * [BUGFIX] Fix stacked graphs to adapt min/max values.
 
@@ -763,7 +763,7 @@ This is a breaking change to the Kubernetes service discovery.
 ## 1.2.1 / 2016-10-10
 
 * [BUGFIX] Count chunk evictions properly so that the server doesn't
-  assume it runs out of memory and subsequencly throttles ingestion.
+  assume it runs out of memory and subsequently throttles ingestion.
 * [BUGFIX] Use Go1.7.1 for prebuilt binaries to fix issues on MacOS Sierra.
 
 ## 1.2.0 / 2016-10-07

Makefile

@@ -54,7 +54,7 @@ react-app-lint:
 
 .PHONY: react-app-lint-fix
 react-app-lint-fix: 
-	@echo ">> running React app linting and fixing errors where possibe"
+	@echo ">> running React app linting and fixing errors where possible"
 	cd $(REACT_APP_PATH) && yarn lint
 
 .PHONY: react-app-test

discovery/consul/consul_test.go

@@ -181,7 +181,7 @@ const (
 "NodeMeta": {"rack_name": "2304"},
 "ServiceID": "test",
 "ServiceName": "test",
-"ServiceMeta": {"version":"1.0.0","environment":"stagging"},
+"ServiceMeta": {"version":"1.0.0","environment":"staging"},
 "ServiceTags": ["tag1"],
 "ServicePort": 3341,
 "CreateIndex": 1,

discovery/targetgroup/targetgroup_test.go

@@ -71,14 +71,14 @@ func TestTargetGroupYamlMarshal(t *testing.T) {
 
 	tests := []struct {
 		expectedYaml string
-		expectetedErr error
+		expectedErr  error
 		group        Group
 	}{
 		{
 			// labels should be omitted if empty.
 			group:        Group{},
 			expectedYaml: "targets: []\n",
-			expectetedErr: nil,
+			expectedErr:  nil,
 		},
 		{
 			// targets only exposes addresses.
@@ -87,13 +87,13 @@ func TestTargetGroupYamlMarshal(t *testing.T) {
 				model.LabelSet{"__address__": "localhost:9091"}},
 				Labels: model.LabelSet{"foo": "bar", "bar": "baz"}},
 			expectedYaml: "targets:\n- localhost:9090\n- localhost:9091\nlabels:\n  bar: baz\n  foo: bar\n",
-			expectetedErr: nil,
+			expectedErr:  nil,
 		},
 	}
 
 	for _, test := range tests {
 		actual, err := test.group.MarshalYAML()
-		testutil.Equals(t, test.expectetedErr, err)
+		testutil.Equals(t, test.expectedErr, err)
 		testutil.Equals(t, test.expectedYaml, string(marshal(actual)))
 	}
 }

documentation/internal_architecture.md

@@ -132,6 +132,6 @@ Internally it works like the scrape discovery manager.
 
 Prometheus serves its web UI and API on port `9090` by default. The web UI is available at `/` and serves a human-usable interface for running expression queries, inspecting active alerts, or getting other insight into the status of the Prometheus server.
 
-The web API is served under `/api/v1` and allows programmatical [querying, metadata, and server status inspection](https://prometheus.io/docs/prometheus/latest/querying/api/).
+The web API is served under `/api/v1` and allows programmatic [querying, metadata, and server status inspection](https://prometheus.io/docs/prometheus/latest/querying/api/).
 
 [Console templates](https://prometheus.io/docs/visualization/consoles/), which allow Prometheus to serve user-defined HTML templates that have access to TSDB data, are served under `/consoles` when console templates are present and configured.

notifier/notifier_test.go

@@ -299,7 +299,7 @@ func TestHandlerRelabel(t *testing.T) {
 	testutil.Ok(t, alertsEqual(expected, h.queue))
 }
 
-func TestHandlerQueueing(t *testing.T) {
+func TestHandlerQueuing(t *testing.T) {
 	var (
 		expectedc = make(chan []*Alert)
 		called    = make(chan struct{})

pkg/rulefmt/rulefmt.go

@@ -28,7 +28,7 @@ import (
 	"github.com/prometheus/prometheus/template"
 )
 
-// Error represents semantical errors on parsing rule groups.
+// Error represents semantic errors on parsing rule groups.
 type Error struct {
 	Group    string
 	Rule     int

promql/bench_test.go

@@ -5,7 +5,7 @@
 //
 // http://www.apache.org/licenses/LICENSE-2.0
 //
-// Unless required by applicable law or agreed to in writing, softwar
+// Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and

promql/parse.go

@@ -305,7 +305,7 @@ func (p *parser) Lex(lval *yySymType) int {
 // Error is expected by the yyLexer interface of the yacc generated parser.
 //
 // It is a no-op since the parsers error routines are triggered
-// by mechanisms that allow more fine grained control
+// by mechanisms that allow more fine-grained control
 // For more information, see https://godoc.org/golang.org/x/tools/cmd/goyacc.
 func (p *parser) Error(e string) {
 }
@@ -962,7 +962,7 @@ func (p *parser) newLabelMatcher(label Item, operator Item, value Item) *labels.
 	case NEQ_REGEX:
 		matchType = labels.MatchNotRegexp
 	default:
-		// This should never happen, since the error should have been chaught
+		// This should never happen, since the error should have been caught
 		// by the generated parser.
 		panic("invalid operator")
 	}

storage/remote/read_test.go

@@ -290,7 +290,7 @@ func TestPreferLocalStorageFilter(t *testing.T) {
 		}
 
 		if test.querier != q {
-			t.Errorf("%d. expected quierer %+v, got %+v", i, test.querier, q)
+			t.Errorf("%d. expected querier %+v, got %+v", i, test.querier, q)
 		}
 	}
 }
@@ -315,7 +315,7 @@ func TestRequiredMatchersFilter(t *testing.T) {
 	}
 
 	if !reflect.DeepEqual(want, have) {
-		t.Errorf("expected quierer %+v, got %+v", want, have)
+		t.Errorf("expected querier %+v, got %+v", want, have)
 	}
 }
 

tsdb/CHANGELOG.md

@@ -5,7 +5,7 @@
  - [FEATURE] Added `DBReadOnly` to allow opening a database in read only mode.
     - `DBReadOnly.Blocks()` exposes a slice of `BlockReader`s.
     - `BlockReader` interface - removed MinTime/MaxTime methods and now exposes the full block meta via `Meta()`.
- - [FEATURE] `chunckenc.Chunk.Iterator` method now takes a `chunckenc.Iterator` interface as an argument for reuse.
+ - [FEATURE] `chunkenc.Chunk.Iterator` method now takes a `chunkenc.Iterator` interface as an argument for reuse.
 
 ## 0.9.1
 
@@ -67,7 +67,7 @@
 
 ## 0.5.0
 
- - [FEATURE] Time-ovelapping blocks are now allowed. [#370](https://github.com/prometheus/tsdb/pull/370)
+ - [FEATURE] Time-overlapping blocks are now allowed. [#370](https://github.com/prometheus/tsdb/pull/370)
    - Disabled by default and can be enabled via `AllowOverlappingBlock` option.
    - Added `MergeChunks` function in `chunkenc/xor.go` to merge 2 time-overlapping chunks.
    - Added `MergeOverlappingChunks` function in `chunks/chunks.go` to merge multiple time-overlapping Chunk Metas.
@@ -100,7 +100,7 @@
 ## 0.3.0
 
  - [CHANGE] `LastCheckpoint()` used to return just the segment name and now it returns the full relative path.
- - [CHANGE] `NewSegmentsRangeReader()` can now read over miltiple wal ranges by using the new `SegmentRange{}` struct.
+ - [CHANGE] `NewSegmentsRangeReader()` can now read over multiple wal ranges by using the new `SegmentRange{}` struct.
  - [CHANGE] `CorruptionErr{}` now also exposes the Segment `Dir` which is added when displaying any errors.
  - [CHANGE] `Head.Init()` is changed to `Head.Init(minValidTime int64)`
  - [CHANGE] `SymbolTable()` renamed to `SymbolTableSize()` to make the name consistent with the  `Block{ symbolTableSize uint64 }` field.

tsdb/db.go

@@ -910,34 +910,34 @@ func (db *DB) deletableBlocks(blocks []*Block) map[ulid.ULID]*Block {
 	return deletable
 }
 
-func (db *DB) beyondTimeRetention(blocks []*Block) (deleteable map[ulid.ULID]*Block) {
+func (db *DB) beyondTimeRetention(blocks []*Block) (deletable map[ulid.ULID]*Block) {
 	// Time retention is disabled or no blocks to work with.
 	if len(db.blocks) == 0 || db.opts.RetentionDuration == 0 {
 		return
 	}
 
-	deleteable = make(map[ulid.ULID]*Block)
+	deletable = make(map[ulid.ULID]*Block)
 	for i, block := range blocks {
 		// The difference between the first block and this block is larger than
-		// the retention period so any blocks after that are added as deleteable.
+		// the retention period so any blocks after that are added as deletable.
 		if i > 0 && blocks[0].Meta().MaxTime-block.Meta().MaxTime > int64(db.opts.RetentionDuration) {
 			for _, b := range blocks[i:] {
-				deleteable[b.meta.ULID] = b
+				deletable[b.meta.ULID] = b
 			}
 			db.metrics.timeRetentionCount.Inc()
 			break
 		}
 	}
-	return deleteable
+	return deletable
 }
 
-func (db *DB) beyondSizeRetention(blocks []*Block) (deleteable map[ulid.ULID]*Block) {
+func (db *DB) beyondSizeRetention(blocks []*Block) (deletable map[ulid.ULID]*Block) {
 	// Size retention is disabled or no blocks to work with.
 	if len(db.blocks) == 0 || db.opts.MaxBytes <= 0 {
 		return
 	}
 
-	deleteable = make(map[ulid.ULID]*Block)
+	deletable = make(map[ulid.ULID]*Block)
 
 	walSize, _ := db.Head().wal.Size()
 	// Initializing size counter with WAL size,
@@ -948,13 +948,13 @@ func (db *DB) beyondSizeRetention(blocks []*Block) (deleteable map[ulid.ULID]*Bl
 		if blocksSize > db.opts.MaxBytes {
 			// Add this and all following blocks for deletion.
 			for _, b := range blocks[i:] {
-				deleteable[b.meta.ULID] = b
+				deletable[b.meta.ULID] = b
 			}
 			db.metrics.sizeRetentionCount.Inc()
 			break
 		}
 	}
-	return deleteable
+	return deletable
 }
 
 // deleteBlocks closes and deletes blocks from the disk.

tsdb/db_test.go

@@ -1176,11 +1176,11 @@ func TestSizeRetention(t *testing.T) {
 	testutil.Ok(t, err)
 	// Expected size should take into account block size + WAL size
 	expSize = blockSize + walSize
-	actRetentCount := int(prom_testutil.ToFloat64(db.metrics.sizeRetentionCount))
+	actRetentionCount := int(prom_testutil.ToFloat64(db.metrics.sizeRetentionCount))
 	actSize, err = fileutil.DirSize(db.Dir())
 	testutil.Ok(t, err)
 
-	testutil.Equals(t, 1, actRetentCount, "metric retention count mismatch")
+	testutil.Equals(t, 1, actRetentionCount, "metric retention count mismatch")
 	testutil.Equals(t, actSize, expSize, "metric db size doesn't match actual disk size")
 	testutil.Assert(t, expSize <= sizeLimit, "actual size (%v) is expected to be less than or equal to limit (%v)", expSize, sizeLimit)
 	testutil.Equals(t, len(blocks)-1, len(actBlocks), "new block count should be decreased from:%v to:%v", len(blocks), len(blocks)-1)

tsdb/head.go

@@ -90,7 +90,7 @@ type Head struct {
 
 	cardinalityMutex      sync.Mutex
 	cardinalityCache      *index.PostingsStats // posting stats cache which will expire after 30sec
-	lastPostingsStatsCall time.Duration        // last posting stats call (PostgingsCardinalityStats()) time for caching
+	lastPostingsStatsCall time.Duration        // last posting stats call (PostingsCardinalityStats()) time for caching
 }
 
 type headMetrics struct {
@@ -848,7 +848,7 @@ func (h *Head) Appender() Appender {
 func (h *Head) appender() *headAppender {
 	return &headAppender{
 		head: h,
-		// Set the minimum valid time to whichever is greater the head min valid time or the compaciton window.
+		// Set the minimum valid time to whichever is greater the head min valid time or the compaction window.
 		// This ensures that no samples will be added within the compaction window to avoid races.
 		minValidTime: max(atomic.LoadInt64(&h.minValidTime), h.MaxTime()-h.chunkRange/2),
 		mint:         math.MaxInt64,

tsdb/head_test.go

@@ -644,9 +644,9 @@ func TestDeleteUntilCurMax(t *testing.T) {
 	testutil.Assert(t, res.Next(), "series don't exist")
 	exps := res.At()
 	it := exps.Iterator()
-	ressmpls, err := expandSeriesIterator(it)
+	resSamples, err := expandSeriesIterator(it)
 	testutil.Ok(t, err)
-	testutil.Equals(t, []tsdbutil.Sample{sample{11, 1}}, ressmpls)
+	testutil.Equals(t, []tsdbutil.Sample{sample{11, 1}}, resSamples)
 }
 
 func TestDeletedSamplesAndSeriesStillInWALAfterCheckpoint(t *testing.T) {
@@ -1255,7 +1255,7 @@ func TestWalRepair_DecodingError(t *testing.T) {
 }
 
 func TestNewWalSegmentOnTruncate(t *testing.T) {
-	dir, err := ioutil.TempDir("", "test_wal_segemnts")
+	dir, err := ioutil.TempDir("", "test_wal_segements")
 	testutil.Ok(t, err)
 	defer func() {
 		testutil.Ok(t, os.RemoveAll(dir))

tsdb/index/index_test.go

@@ -221,7 +221,7 @@ func TestIndexRW_Postings(t *testing.T) {
 		vals := []string{}
 		nc := d.Be32int()
 		if nc != 1 {
-			return errors.Errorf("unexpected nuumber of label indices table names %d", nc)
+			return errors.Errorf("unexpected number of label indices table names %d", nc)
 		}
 		for i := d.Be32(); i > 0; i-- {
 			v, err := ir.lookupSymbol(d.Be32())
@@ -480,7 +480,7 @@ func TestPersistence_index_e2e(t *testing.T) {
 	testutil.Ok(t, ir.Close())
 }
 
-func TestDecbufUvariantWithInvalidBuffer(t *testing.T) {
+func TestDecbufUvarintWithInvalidBuffer(t *testing.T) {
 	b := realByteSlice([]byte{0x81, 0x81, 0x81, 0x81, 0x81, 0x81})
 
 	db := encoding.NewDecbufUvarintAt(b, 0, castagnoliTable)

tsdb/index/postings.go

@@ -454,7 +454,7 @@ func (h *postingsHeap) Pop() interface{} {
 
 type mergedPostings struct {
 	h           postingsHeap
-	initilized bool
+	initialized bool
 	cur         uint64
 	err         error
 }
@@ -485,10 +485,10 @@ func (it *mergedPostings) Next() bool {
 	}
 
 	// The user must issue an initial Next.
-	if !it.initilized {
+	if !it.initialized {
 		heap.Init(&it.h)
 		it.cur = it.h[0].At()
-		it.initilized = true
+		it.initialized = true
 		return true
 	}
 
@@ -519,7 +519,7 @@ func (it *mergedPostings) Seek(id uint64) bool {
 	if it.h.Len() == 0 || it.err != nil {
 		return false
 	}
-	if !it.initilized {
+	if !it.initialized {
 		if !it.Next() {
 			return false
 		}

tsdb/index/postings_test.go

@@ -193,7 +193,7 @@ func TestMultiIntersect(t *testing.T) {
 			},
 			res: []uint64{2, 5, 6, 1001},
 		},
-		// One of the reproduceable cases for:
+		// One of the reproducible cases for:
 		// https://github.com/prometheus/prometheus/issues/2616
 		// The initialisation of intersectPostings was moving the iterator forward
 		// prematurely making us miss some postings.

tsdb/querier_test.go

@@ -2135,7 +2135,7 @@ func BenchmarkQueries(b *testing.B) {
 		for _, q := range queryTypes {
 			// Can't run a check for error here as some of these will fail as
 			// queryTypes is using the same slice for the different block queriers
-			// and would have been closed in the previous iterration.
+			// and would have been closed in the previous iteration.
 			q.Close()
 		}
 	}()

tsdb/record/record_test.go

@@ -75,9 +75,9 @@ func TestRecord_EncodeDecode(t *testing.T) {
 	}, decTstones)
 }
 
-// TestRecord_Corruputed ensures that corrupted records return the correct error.
+// TestRecord_Corrupted ensures that corrupted records return the correct error.
 // Bugfix check for pull/521 and pull/523.
-func TestRecord_Corruputed(t *testing.T) {
+func TestRecord_Corrupted(t *testing.T) {
 	var enc Encoder
 	var dec Decoder
 

tsdb/wal.go

@@ -112,7 +112,7 @@ type WALReader interface {
 // the truncation threshold can be compacted.
 type segmentFile struct {
 	*os.File
-	maxTime   int64  // highest tombstone or sample timpstamp in segment
+	maxTime   int64  // highest tombstone or sample timestamp in segment
 	minSeries uint64 // lowerst series ID in segment
 }
 

tsdb/wal/wal_test.go

@@ -302,7 +302,7 @@ func TestCorruptAndCarryOn(t *testing.T) {
 		err = w.Repair(corruptionErr)
 		testutil.Ok(t, err)
 
-		// Ensure that we have a completely clean slate after reapiring.
+		// Ensure that we have a completely clean slate after repairing.
 		testutil.Equals(t, w.segment.Index(), 1) // We corrupted segment 0.
 		testutil.Equals(t, w.donePages, 0)
 
@@ -379,7 +379,7 @@ func TestSegmentMetric(t *testing.T) {
 }
 
 func TestCompression(t *testing.T) {
-	boostrap := func(compressed bool) string {
+	bootstrap := func(compressed bool) string {
 		const (
 			segmentSize = pageSize
 			recordSize  = (pageSize / 2) - recordHeaderSize
@@ -401,11 +401,11 @@ func TestCompression(t *testing.T) {
 		return dirPath
 	}
 
-	dirCompressed := boostrap(true)
+	dirCompressed := bootstrap(true)
 	defer func() {
 		testutil.Ok(t, os.RemoveAll(dirCompressed))
 	}()
-	dirUnCompressed := boostrap(false)
+	dirUnCompressed := bootstrap(false)
 	defer func() {
 		testutil.Ok(t, os.RemoveAll(dirUnCompressed))
 	}()

tsdb/wal_test.go

@@ -162,7 +162,7 @@ func TestSegmentWAL_Log_Restore(t *testing.T) {
 		iterations = 5
 		stepSize   = 5
 	)
-	// Generate testing data. It does not make semantical sense but
+	// Generate testing data. It does not make semantic sense but
 	// for the purpose of this test.
 	series, err := labels.ReadLabels(filepath.Join("testdata", "20kseries.json"), numMetrics)
 	testutil.Ok(t, err)
@@ -373,7 +373,7 @@ func TestWALRestoreCorrupted(t *testing.T) {
 	}
 	for _, c := range cases {
 		t.Run(c.name, func(t *testing.T) {
-			// Generate testing data. It does not make semantical sense but
+			// Generate testing data. It does not make semantic sense but
 			// for the purpose of this test.
 			dir, err := ioutil.TempDir("", "test_corrupted")
 			testutil.Ok(t, err)
@@ -422,7 +422,7 @@ func TestWALRestoreCorrupted(t *testing.T) {
 
 			// Weird hack to check order of reads.
 			i := 0
-			samplf := func(s []record.RefSample) {
+			samplef := func(s []record.RefSample) {
 				if i == 0 {
 					testutil.Equals(t, []record.RefSample{{T: 1, V: 2}}, s)
 					i++
@@ -431,7 +431,7 @@ func TestWALRestoreCorrupted(t *testing.T) {
 				}
 			}
 
-			testutil.Ok(t, r.Read(serf, samplf, nil))
+			testutil.Ok(t, r.Read(serf, samplef, nil))
 
 			testutil.Ok(t, w2.LogSamples([]record.RefSample{{T: 99, V: 100}}))
 			testutil.Ok(t, w2.Close())
@@ -444,13 +444,13 @@ func TestWALRestoreCorrupted(t *testing.T) {
 			r = w3.Reader()
 
 			i = 0
-			testutil.Ok(t, r.Read(serf, samplf, nil))
+			testutil.Ok(t, r.Read(serf, samplef, nil))
 		})
 	}
 }
 
 func TestMigrateWAL_Empty(t *testing.T) {
-	// The migration proecedure must properly deal with a zero-length segment,
+	// The migration procedure must properly deal with a zero-length segment,
 	// which is valid in the new format.
 	dir, err := ioutil.TempDir("", "walmigrate")
 	testutil.Ok(t, err)

util/testutil/directory.go

@@ -133,7 +133,7 @@ func NewTemporaryDirectory(name string, t T) (handler TemporaryDirectory) {
 	return
 }
 
-// DirHash returns a hash of all files attribites and their content within a directory.
+// DirHash returns a hash of all files attributes and their content within a directory.
 func DirHash(t *testing.T, path string) []byte {
 	hash := sha256.New()
 	err := filepath.Walk(path, func(path string, info os.FileInfo, err error) error {

web/ui/react-app/src/graph/Graph.test.tsx

@@ -97,7 +97,7 @@ describe('Graph', () => {
       spyState.mockReset();
       mockPlot.mockReset();
     });
-    it('should trigger state update when new data is recieved', () => {
+    it('should trigger state update when new data is received', () => {
       graph.setProps({ data: { result: [{ values: [{}], metric: {} }] } });
       expect(spyState).toHaveBeenCalledWith(
         {

web/ui/react-app/src/graph/GraphHelpers.ts

@@ -58,7 +58,7 @@ export const getHoverColor = (color: string, opacity: number, stacked: boolean)
     return `rgba(${r}, ${g}, ${b}, ${opacity})`;
   }
   /*
-    Unfortunetly flot doesn't take into consideration
+    Unfortunately flot doesn't take into consideration
     the alpha value when adjusting the color on the stacked series.
     TODO: find better way to set the opacity.
   */

web/ui/static/js/graph/graph_template.handlebar

@@ -23,7 +23,7 @@
             </div>
 
             <!--
-              TODO: Convert this to Bootstrap navbar.  This requires Javascript
+              TODO: Convert this to Bootstrap navbar.  This requires JavaScript
                     refresh.
               -->
             <div class="form-row">