I got a private reply saying to try "go mod why -m
github.com/prometheus/common"
Starting with the original go.mod, I get different answers the first and
second time I run it - by which time, go.mod contents have been updated.
$ go mod why -m github.com/prometheus/common
go: finding github.com/aperum/nrpe latest
go: finding github.com/alecthomas/assert latest
# github.com/prometheus/common
(main module does not need module github.com/prometheus/common)
$ go mod why -m github.com/prometheus/common
# github.com/prometheus/common
github.com/RobustPerception/nrpe_exporter
github.com/prometheus/common/promlog
Note that the main module (nrpe_exporter.go) *does* require the following:
"github.com/prometheus/common/promlog"
"github.com/prometheus/common/promlog/flag"
"github.com/prometheus/common/version"
vendor/vendor.json pins specific versions of prometheus/common/promlog and
prometheus/common/promlog/flag, but not prometheus/common/version - and
oddly, prometheus/common/version hasn't been imported into the vendor/
directory either. So now I'm starting to suspect that the latest
prometheus/common/version is being picked up, which in turn is forcing
refresh of the other dependencies; but this is just an idea, I don't have
any output from any of the go commands telling me this is what is happening.
I also tried adding -v to go build:
$ go build -n -v -x ./...
# get https://proxy.golang.org/github.com/@v/list
# get
https://proxy.golang.org/github.com/prometheus/client_golang/prometheus/promhttp/@v/list
# get
https://proxy.golang.org/github.com/prometheus/client_golang/prometheus/@v/list
# get https://proxy.golang.org/github.com/prometheus/client_golang/@v/list
# get https://proxy.golang.org/github.com/prometheus/@v/list
# get https://proxy.golang.org/github.com/aperum/nrpe/@v/list
# get https://proxy.golang.org/github.com/aperum/@v/list
# get https://proxy.golang.org/github.com/aperum/@v/list: 410 Gone (0.349s)
# get
https://proxy.golang.org/github.com/prometheus/client_golang/prometheus/promhttp/@v/list:
410 Gone (0.363s)
# get
https://proxy.golang.org/github.com/prometheus/client_golang/prometheus/@v/list:
410 Gone (0.363s)
# get https://proxy.golang.org/github.com/@v/list: 410 Gone (0.364s)
# get https://proxy.golang.org/github.com/prometheus/client_golang/@v/list:
200 OK (0.363s)
# get https://proxy.golang.org/github.com/aperum/nrpe/@v/list: 200 OK
(0.353s)
go: finding github.com/aperum/nrpe latest
# get https://proxy.golang.org/github.com/aperum/nrpe/@latest
# get https://proxy.golang.org/github.com/prometheus/@v/list: 410 Gone
(0.368s)
# get https://proxy.golang.org/github.com/aperum/nrpe/@latest: 200 OK
(0.012s)
#
# github.com/RobustPerception/nrpe_exporter
#
github.com/RobustPerception/nrpe_exporter
mkdir -p $WORK/b001/
cat >$WORK/b001/_gomod_.go << 'EOF' # internal
package main
import _ "unsafe"
//go:linkname __debug_modinfo__ runtime.modinfo
var __debug_modinfo__ =
"0w\xaf\f\x92t\b\x02A\xe1\xc1\a\xe6\xd6\x18\xe6path\tgithub.com/RobustPerception/nrpe_exporter\nmod\tgithub.com/RobustPerception/nrpe_exporter\t(devel)\t\ndep\tgithub.com/alecthomas/template\tv0.0.0-20190718012654-fb15b899a751\th1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=\ndep\tgithub.com/alecthomas/units\tv0.0.0-20190717042225-c3de453c63f4\th1:Hs82Z41s6SdL1CELW+XaDYmOH4hkBN4/N9og/AsOv7E=\ndep\tgithub.com/aperum/nrpe\tv0.0.0-20170524093721-53d9ca02dfca\th1:2d9vZl6mzbSG+3cr0ghfKvM0nOa15OGkbW1vx+R5+Ww=\ndep\tgithub.com/beorn7/perks\tv1.0.1\th1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=\ndep\tgithub.com/cespare/xxhash/v2\tv2.1.0\th1:yTUvW7Vhb89inJ+8irsUqiWjh8iT6sQPZiQzI6ReGkA=\ndep\tgithub.com/go-kit/kit\tv0.9.0\th1:wDJmvq38kDhkVxi50ni9ykkdUr1PKgqKOoi01fa0Mdk=\ndep\tgithub.com/go-logfmt/logfmt\tv0.4.0\th1:MP4Eh7ZCb31lleYCFuwm0oe4/YGak+5l1vA2NOE80nA=\ndep\tgithub.com/golang/protobuf\tv1.3.2\th1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=\ndep\tgithub.com/matttproud/golang_protobuf_extensions\tv1.0.1\th1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=\ndep\tgithub.com/pkg/errors\tv0.8.1\th1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=\ndep\tgithub.com/prometheus/client_golang\tv1.2.1\th1:JnMpQc6ppsNgw9QPAGF6Dod479itz7lvlsMzzNayLOI=\ndep\tgithub.com/prometheus/client_model\tv0.0.0-20190812154241-14fe0d1b01d4\th1:gQz4mCbXsO+nc9n1hCxHcGA3Zx3Eo+UHZoInFGUIXNM=\ndep\tgithub.com/prometheus/common\tv0.7.0\th1:L+1lyG48J1zAQXA3RBX/nG/B3gjlHq0zTt2tlbJLyCY=\ndep\tgithub.com/prometheus/procfs\tv0.0.5\th1:3+auTFlqw+ZaQYJARz6ArODtkaIwtvBTx3N2NehQlL8=\ndep\tgopkg.in/alecthomas/kingpin.v2\tv2.2.6\th1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=\n\xf92C1\x86\x18
r\x00\x82B\x10A\x16\xd8\xf2"
EOF
cat >$WORK/b001/importcfg << 'EOF' # internal
# import config
packagefile
github.com/aperum/nrpe=/home/ubuntu/.cache/go-build/94/94dbafe6b911cead6a82b65f6813a13a7841b632e2f1d1542dbae22da55c9f66-d
packagefile
github.com/go-kit/kit/log=/home/ubuntu/.cache/go-build/32/32be124c4b729b856dadcc18107a3b6a2e815d2759098d45cc4f9de7250bf558-d
packagefile
github.com/go-kit/kit/log/level=/home/ubuntu/.cache/go-build/32/321c67b9166aa103cfce5cd6bc0eba5d17639d048f7953fffb85e30a2226f3d5-d
packagefile
github.com/prometheus/client_golang/prometheus=/home/ubuntu/.cache/go-build/3f/3fd233112523bf5b5825c83c747c812cfa8b1440918d424a8c683f35a78bfb63-d
packagefile
github.com/prometheus/client_golang/prometheus/promhttp=/home/ubuntu/.cache/go-build/d9/d93df1d4b900cdfe2def522d5da770b93809ec1a01453618de31a5743a60fd1c-d
packagefile
github.com/prometheus/common/promlog=/home/ubuntu/.cache/go-build/a1/a1a67b5d356d131e4558967de13b0b0125ef325bcfdffee37937803dad737e80-d
packagefile
github.com/prometheus/common/promlog/flag=/home/ubuntu/.cache/go-build/06/06fe34f36bac0935f0793bcbd22db2beedbb3bf7213be3002e2af290bea9c6fd-d
packagefile
github.com/prometheus/common/version=/home/ubuntu/.cache/go-build/d2/d2665ffaa92b18b01af13148ac8e48def0da7a3d427132aaad0c5fad15391fad-d
packagefile
gopkg.in/alecthomas/kingpin.v2=/home/ubuntu/.cache/go-build/16/16be93b771990bca04b445f0e883bd4c207e97f9cb5e2c7be3eb98169c49a5fa-d
packagefile net=/usr/local/go/pkg/linux_amd64/net.a
packagefile net/http=/usr/local/go/pkg/linux_amd64/net/http.a
packagefile os=/usr/local/go/pkg/linux_amd64/os.a
packagefile time=/usr/local/go/pkg/linux_amd64/time.a
packagefile runtime=/usr/local/go/pkg/linux_amd64/runtime.a
EOF
cd /home/ubuntu/nrpe_exporter
/usr/local/go/pkg/tool/linux_amd64/compile -o $WORK/b001/_pkg_.a -trimpath
"$WORK/b001=>" -p main -lang=go1.13 -complete -buildid
0fKvaL6612In9ont9l8M/0fKvaL6612In9ont9l8M -goversion go1.13.4 -D ""
-importcfg $WORK/b001/importcfg -pack -c=2 ./nrpe_exporter.go
$WORK/b001/_gomod_.go
... snip rest
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