Print system information (uname) at Prometheus startup (#2709)
* Print uname on prom startup * Make uname file linux-only * Add missing license headers Add missing license headers * Print OS when uname is not available * Print only OS name when uname not available * Remove extra space, fix cmd/prometheus/main.go license header * Add fix for int8 and uint8 systems * Better formatting for build tags in cmd/prometheus/uname files * Remove newline
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@ -87,6 +87,7 @@ func Main() int {
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log.Infoln("Starting prometheus", version.Info())
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log.Infoln("Build context", version.BuildContext())
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log.Infoln("Host details", Uname())
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var (
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sampleAppender = storage.Fanout{}
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@ -0,0 +1,23 @@
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// Copyright 2017 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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// +build !linux
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package main
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import "runtime"
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// Uname for any platform other than linux.
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func Uname() string {
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return "(" + runtime.GOOS + ")"
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}
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@ -0,0 +1,35 @@
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// Copyright 2017 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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package main
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import (
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"log"
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"syscall"
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)
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// Uname returns the uname of the host machine.
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func Uname() string {
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buf := syscall.Utsname{}
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err := syscall.Uname(&buf)
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if err != nil {
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log.Fatal("Error!")
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}
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str := "(" + charsToString(buf.Sysname[:])
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str += " " + charsToString(buf.Release[:])
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str += " " + charsToString(buf.Version[:])
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str += " " + charsToString(buf.Machine[:])
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str += " " + charsToString(buf.Nodename[:])
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str += " " + charsToString(buf.Domainname[:]) + ")"
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return str
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}
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@ -0,0 +1,25 @@
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// Copyright 2017 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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// +build 386 amd64 arm64 mips64 mips64le mips mipsle
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// +build linux
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package main
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func charsToString(ca []int8) string {
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s := make([]byte, len(ca))
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for i, c := range ca {
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s[i] = byte(c)
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}
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return string(s[0:len(ca)])
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}
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@ -0,0 +1,25 @@
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// Copyright 2017 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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// +build arm ppc64 ppc64le s390x
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// +build linux
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package main
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func charsToString(ca []uint8) string {
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s := make([]byte, len(ca))
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for i, c := range ca {
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s[i] = byte(c)
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}
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return string(s[0:len(ca)])
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}
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