Fix build against GopherJS (#897)
* Fix build against GopherJS When building against GopherJS, ThreadCreateProfile and Getpid are not available. Return 1 to shim the functions. Signed-off-by: Christian Stewart <christian@paral.in> * Fix formatting Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Fix linter issue Move build tags for licence header checks Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> Co-authored-by: Kemal Akkoyun <kakkoyun@gmail.com>
This commit is contained in:
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1638da9ae4
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// Copyright 2015 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !js || wasm
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// +build !js wasm
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package prometheus
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import "os"
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func getPIDFn() func() (int, error) {
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pid := os.Getpid()
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return func() (int, error) {
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return pid, nil
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}
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}
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@ -0,0 +1,23 @@
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// Copyright 2015 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build js && !wasm
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// +build js,!wasm
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package prometheus
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func getPIDFn() func() (int, error) {
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return func() (int, error) {
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return 1, nil
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}
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}
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@ -246,8 +246,9 @@ func (c *baseGoCollector) Describe(ch chan<- *Desc) {
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// Collect returns the current state of all metrics of the collector.
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func (c *baseGoCollector) Collect(ch chan<- Metric) {
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ch <- MustNewConstMetric(c.goroutinesDesc, GaugeValue, float64(runtime.NumGoroutine()))
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n, _ := runtime.ThreadCreateProfile(nil)
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ch <- MustNewConstMetric(c.threadsDesc, GaugeValue, float64(n))
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n := getRuntimeNumThreads()
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ch <- MustNewConstMetric(c.threadsDesc, GaugeValue, n)
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var stats debug.GCStats
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stats.PauseQuantiles = make([]time.Duration, 5)
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@ -0,0 +1,25 @@
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// Copyright 2018 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !js || wasm
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// +build !js wasm
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package prometheus
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import "runtime"
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// getRuntimeNumThreads returns the number of open OS threads.
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func getRuntimeNumThreads() float64 {
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n, _ := runtime.ThreadCreateProfile(nil)
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return float64(n)
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}
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@ -0,0 +1,22 @@
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// Copyright 2018 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build js && !wasm
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// +build js,!wasm
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package prometheus
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// getRuntimeNumThreads returns the number of open OS threads.
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func getRuntimeNumThreads() float64 {
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return 1
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}
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@ -103,8 +103,7 @@ func NewProcessCollector(opts ProcessCollectorOpts) Collector {
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}
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if opts.PidFn == nil {
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pid := os.Getpid()
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c.pidFn = func() (int, error) { return pid, nil }
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c.pidFn = getPIDFn()
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} else {
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c.pidFn = opts.PidFn
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}
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@ -0,0 +1,26 @@
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// Copyright 2019 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build js
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// +build js
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package prometheus
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func canCollectProcess() bool {
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return false
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}
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func (c *processCollector) processCollect(ch chan<- Metric) {
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// noop on this platform
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return
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}
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@ -11,8 +11,8 @@
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !windows
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// +build !windows
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//go:build !windows && !js
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// +build !windows,!js
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package prometheus
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