Per Abich
GitHub
commit
c598c828be
32
Dockerfile
32
Dockerfile
@ -1,26 +1,24 @@
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# Builder stage to
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FROM golang:1.13 as builder
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FROM golang:1.13 AS builder
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WORKDIR /src
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# Add the project in the image
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ADD . /build
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WORKDIR /build
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# Install needed dependencies for the build
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RUN apt-get update -q && apt-get install -qy \
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# avoid downloading the dependencies on succesive builds
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RUN apt-get update -qq && apt-get install -qqy \
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build-essential \
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libsystemd-dev
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# Get dependencies and build the static binary
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COPY go.mod go.sum ./
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RUN go mod download
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RUN go mod verify
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COPY . .
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# Force the go compiler to use modules
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ENV GO111MODULE=on
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RUN go test
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RUN go build -a -tags static_all
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RUN go build -o /bin/postfix_exporter
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# Real image
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FROM debian:latest
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EXPOSE 9154
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WORKDIR /
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# Copy the binary from the build image to the real one
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COPY --from=builder /build/postfix_exporter .
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ENTRYPOINT ["/postfix_exporter"]
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COPY --from=builder /bin/postfix_exporter /bin/
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ENTRYPOINT ["/bin/postfix_exporter"]
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111
go.sum
Normal file
111
go.sum
Normal file
@ -0,0 +1,111 @@
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github.com/alecthomas/kingpin v2.2.6+incompatible h1:5svnBTFgJjZvGKyYBtMB0+m5wvrbUHiqye8wRJMlnYI=
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github.com/alecthomas/kingpin v2.2.6+incompatible/go.mod h1:59OFYbFVLKQKq+mqrL6Rw5bR0c3ACQaawgXx0QYndlE=
|
||||
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
|
||||
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
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github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
|
||||
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
|
||||
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4 h1:Hs82Z41s6SdL1CELW+XaDYmOH4hkBN4/N9og/AsOv7E=
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||||
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
|
||||
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
|
||||
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
|
||||
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
|
||||
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
|
||||
github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
|
||||
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
|
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github.com/coreos/go-systemd/v22 v22.0.0 h1:XJIw/+VlJ+87J+doOxznsAWIdmWuViOVhkQamW5YV28=
|
||||
github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
|
||||
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
|
||||
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
|
||||
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
|
||||
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
|
||||
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
|
||||
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
|
||||
github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
|
||||
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
|
||||
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
|
||||
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
|
||||
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
|
||||
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
|
||||
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
|
||||
github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
|
||||
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
|
||||
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
|
||||
github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
|
||||
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
|
||||
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
|
||||
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
|
||||
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
|
||||
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
|
||||
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
|
||||
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
|
||||
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
|
||||
github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
|
||||
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
|
||||
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
|
||||
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
|
||||
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
|
||||
github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
|
||||
github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
|
||||
github.com/prometheus/client_golang v1.4.1 h1:FFSuS004yOQEtDdTq+TAOLP5xUq63KqAFYyOi8zA+Y8=
|
||||
github.com/prometheus/client_golang v1.4.1/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
|
||||
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
|
||||
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
|
||||
github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
|
||||
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
|
||||
github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
|
||||
github.com/prometheus/common v0.9.1 h1:KOMtN28tlbam3/7ZKEYKHhKoJZYYj3gMH4uc62x7X7U=
|
||||
github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
|
||||
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
|
||||
github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
|
||||
github.com/prometheus/procfs v0.0.8 h1:+fpWZdT24pJBiqJdAwYBjPSk+5YmQzYNPYzQsdzLkt8=
|
||||
github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
|
||||
github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
|
||||
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
|
||||
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
|
||||
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
|
||||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20200122134326-e047566fdf82 h1:ywK/j/KkyTHcdyYSZNXGjMwgmDSfjglYZ3vStQ/gSCU=
|
||||
golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
|
||||
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
|
||||
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
|
||||
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
|
||||
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
|
||||
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
|
||||
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
|
||||
gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
72
main.go
Normal file
72
main.go
Normal file
@ -0,0 +1,72 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"github.com/prometheus/client_golang/prometheus/promhttp"
|
||||
"log"
|
||||
"net/http"
|
||||
"os"
|
||||
|
||||
"github.com/alecthomas/kingpin"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
func main() {
|
||||
var (
|
||||
app = kingpin.New("postfix_exporter", "Prometheus metrics exporter for postfix")
|
||||
listenAddress = app.Flag("web.listen-address", "Address to listen on for web interface and telemetry.").Default(":9154").String()
|
||||
metricsPath = app.Flag("web.telemetry-path", "Path under which to expose metrics.").Default("/metrics").String()
|
||||
postfixShowqPath = app.Flag("postfix.showq_path", "Path at which Postfix places its showq socket.").Default("/var/spool/postfix/public/showq").String()
|
||||
postfixLogfilePath = app.Flag("postfix.logfile_path", "Path where Postfix writes log entries. This file will be truncated by this exporter.").Default("/var/log/postfix_exporter_input.log").String()
|
||||
logUnsupportedLines = app.Flag("log.unsupported", "Log all unsupported lines.").Bool()
|
||||
systemdEnable bool
|
||||
systemdUnit, systemdSlice, systemdJournalPath string
|
||||
)
|
||||
systemdFlags(&systemdEnable, &systemdUnit, &systemdSlice, &systemdJournalPath, app)
|
||||
|
||||
kingpin.MustParse(app.Parse(os.Args[1:]))
|
||||
|
||||
var journal *Journal
|
||||
if systemdEnable {
|
||||
var err error
|
||||
journal, err = NewJournal(systemdUnit, systemdSlice, systemdJournalPath)
|
||||
if err != nil {
|
||||
log.Fatalf("Error opening systemd journal: %s", err)
|
||||
}
|
||||
defer journal.Close()
|
||||
log.Println("Reading log events from systemd")
|
||||
} else {
|
||||
log.Printf("Reading log events from %v", *postfixLogfilePath)
|
||||
}
|
||||
|
||||
exporter, err := NewPostfixExporter(
|
||||
*postfixShowqPath,
|
||||
*postfixLogfilePath,
|
||||
journal,
|
||||
*logUnsupportedLines,
|
||||
)
|
||||
if err != nil {
|
||||
log.Fatalf("Failed to create PostfixExporter: %s", err)
|
||||
}
|
||||
prometheus.MustRegister(exporter)
|
||||
|
||||
http.Handle(*metricsPath, promhttp.Handler())
|
||||
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
_, err = w.Write([]byte(`
|
||||
<html>
|
||||
<head><title>Postfix Exporter</title></head>
|
||||
<body>
|
||||
<h1>Postfix Exporter</h1>
|
||||
<p><a href='` + *metricsPath + `'>Metrics</a></p>
|
||||
</body>
|
||||
</html>`))
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
})
|
||||
ctx, cancelFunc := context.WithCancel(context.Background())
|
||||
defer cancelFunc()
|
||||
go exporter.StartMetricCollection(ctx)
|
||||
log.Print("Listening on ", *listenAddress)
|
||||
log.Fatal(http.ListenAndServe(*listenAddress, nil))
|
||||
}
|
||||
@ -19,12 +19,9 @@ import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"github.com/alecthomas/kingpin"
|
||||
"io"
|
||||
"log"
|
||||
"net"
|
||||
"net/http"
|
||||
"os"
|
||||
"regexp"
|
||||
"strconv"
|
||||
"strings"
|
||||
@ -32,7 +29,6 @@ import (
|
||||
|
||||
"github.com/hpcloud/tail"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"github.com/prometheus/client_golang/prometheus/promhttp"
|
||||
)
|
||||
|
||||
var (
|
||||
@ -138,37 +134,39 @@ func CollectTextualShowqFromReader(file io.Reader, ch chan<- prometheus.Metric)
|
||||
for scanner.Scan() {
|
||||
matches := messageLine.FindStringSubmatch(scanner.Text())
|
||||
if matches != nil {
|
||||
// Derive the name of the message queue.
|
||||
queue := "other"
|
||||
if matches[1] == "*" {
|
||||
queue = "active"
|
||||
} else if matches[1] == "!" {
|
||||
queue = "hold"
|
||||
}
|
||||
|
||||
// Parse the message size.
|
||||
size, err := strconv.ParseFloat(matches[2], 64)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Parse the message date. Unfortunately, the
|
||||
// output contains no year number. Assume it
|
||||
// applies to the last year for which the
|
||||
// message date doesn't exceed time.Now().
|
||||
date, err := time.ParseInLocation("Mon Jan 2 15:04:05",
|
||||
matches[3], location)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
date = date.AddDate(now.Year(), 0, 0)
|
||||
if date.After(now) {
|
||||
date = date.AddDate(-1, 0, 0)
|
||||
}
|
||||
|
||||
sizeHistogram.WithLabelValues(queue).Observe(size)
|
||||
ageHistogram.WithLabelValues(queue).Observe(now.Sub(date).Seconds())
|
||||
continue
|
||||
}
|
||||
|
||||
// Derive the name of the message queue.
|
||||
queue := "other"
|
||||
if matches[1] == "*" {
|
||||
queue = "active"
|
||||
} else if matches[1] == "!" {
|
||||
queue = "hold"
|
||||
}
|
||||
|
||||
// Parse the message size.
|
||||
size, err := strconv.ParseFloat(matches[2], 64)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Parse the message date. Unfortunately, the
|
||||
// output contains no year number. Assume it
|
||||
// applies to the last year for which the
|
||||
// message date doesn't exceed time.Now().
|
||||
date, err := time.ParseInLocation("Mon Jan 2 15:04:05",
|
||||
matches[3], location)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
date = date.AddDate(now.Year(), 0, 0)
|
||||
if date.After(now) {
|
||||
date = date.AddDate(-1, 0, 0)
|
||||
}
|
||||
|
||||
sizeHistogram.WithLabelValues(queue).Observe(size)
|
||||
ageHistogram.WithLabelValues(queue).Observe(now.Sub(date).Seconds())
|
||||
}
|
||||
|
||||
sizeHistogram.Collect(ch)
|
||||
@ -260,16 +258,6 @@ func CollectBinaryShowqFromReader(file io.Reader, ch chan<- prometheus.Metric) e
|
||||
return scanner.Err()
|
||||
}
|
||||
|
||||
// CollectShowqFromFile collects Postfix queue statistics from a file.
|
||||
//func CollectShowqFromFile(path string, ch chan<- prometheus.Metric) error {
|
||||
// fd, err := os.Open(path)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// defer fd.Close()
|
||||
// return CollectShowqFromReader(fd, ch)
|
||||
//}
|
||||
|
||||
// CollectShowqFromSocket collects Postfix queue statistics from a socket.
|
||||
func CollectShowqFromSocket(path string, ch chan<- prometheus.Metric) error {
|
||||
fd, err := net.Dial("unix", path)
|
||||
@ -300,194 +288,130 @@ var (
|
||||
// CollectFromLogline collects metrict from a Postfix log line.
|
||||
func (e *PostfixExporter) CollectFromLogLine(line string) {
|
||||
// Strip off timestamp, hostname, etc.
|
||||
if logMatches := logLine.FindStringSubmatch(line); logMatches != nil {
|
||||
process := logMatches[1]
|
||||
subprocess := logMatches[3]
|
||||
remainder := logMatches[4]
|
||||
switch process {
|
||||
case "postfix":
|
||||
// Group patterns to check by Postfix service.
|
||||
if subprocess == "cleanup" {
|
||||
if strings.Contains(remainder, ": message-id=<") {
|
||||
e.cleanupProcesses.Inc()
|
||||
} else if strings.Contains(remainder, ": reject: ") {
|
||||
e.cleanupRejects.Inc()
|
||||
} else if strings.Contains(remainder, "message not accepted") {
|
||||
e.cleanupNotAccepted.Inc()
|
||||
} else {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
}
|
||||
} else if subprocess == "lmtp" {
|
||||
if lmtpMatches := lmtpPipeSMTPLine.FindStringSubmatch(remainder); lmtpMatches != nil {
|
||||
pdelay, err := strconv.ParseFloat(lmtpMatches[2], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert LMTP pdelay: %v", err)
|
||||
}
|
||||
e.lmtpDelays.WithLabelValues("before_queue_manager").Observe(pdelay)
|
||||
adelay, err := strconv.ParseFloat(lmtpMatches[3], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert LMTP adelay: %v", err)
|
||||
}
|
||||
e.lmtpDelays.WithLabelValues("queue_manager").Observe(adelay)
|
||||
sdelay, err := strconv.ParseFloat(lmtpMatches[4], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert LMTP adelay: %v", err)
|
||||
}
|
||||
e.lmtpDelays.WithLabelValues("connection_setup").Observe(sdelay)
|
||||
xdelay, err := strconv.ParseFloat(lmtpMatches[5], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert LMTP xdelay: %v", err)
|
||||
}
|
||||
e.lmtpDelays.WithLabelValues("transmission").Observe(xdelay)
|
||||
} else {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
}
|
||||
} else if subprocess == "pipe" {
|
||||
if pipeMatches := lmtpPipeSMTPLine.FindStringSubmatch(remainder); pipeMatches != nil {
|
||||
pdelay, err := strconv.ParseFloat(pipeMatches[2], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert PIPE pdelay: %v", err)
|
||||
}
|
||||
e.pipeDelays.WithLabelValues(pipeMatches[1], "before_queue_manager").Observe(pdelay)
|
||||
adelay, err := strconv.ParseFloat(pipeMatches[3], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert PIPE adelay: %v", err)
|
||||
}
|
||||
e.pipeDelays.WithLabelValues(pipeMatches[1], "queue_manager").Observe(adelay)
|
||||
sdelay, err := strconv.ParseFloat(pipeMatches[4], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert PIPE sdelay: %v", err)
|
||||
}
|
||||
e.pipeDelays.WithLabelValues(pipeMatches[1], "connection_setup").Observe(sdelay)
|
||||
xdelay, err := strconv.ParseFloat(pipeMatches[5], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert PIPE xdelay: %v", err)
|
||||
}
|
||||
e.pipeDelays.WithLabelValues(pipeMatches[1], "transmission").Observe(xdelay)
|
||||
} else {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
}
|
||||
} else if subprocess == "qmgr" {
|
||||
if qmgrInsertMatches := qmgrInsertLine.FindStringSubmatch(remainder); qmgrInsertMatches != nil {
|
||||
size, err := strconv.ParseFloat(qmgrInsertMatches[1], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert QMGR size: %v", err)
|
||||
}
|
||||
e.qmgrInsertsSize.Observe(size)
|
||||
nrcpt, err := strconv.ParseFloat(qmgrInsertMatches[2], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert QMGR nrcpt: %v", err)
|
||||
}
|
||||
e.qmgrInsertsNrcpt.Observe(nrcpt)
|
||||
} else if strings.HasSuffix(remainder, ": removed") {
|
||||
e.qmgrRemoves.Inc()
|
||||
} else {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
}
|
||||
} else if subprocess == "smtp" {
|
||||
if smtpMatches := lmtpPipeSMTPLine.FindStringSubmatch(remainder); smtpMatches != nil {
|
||||
pdelay, err := strconv.ParseFloat(smtpMatches[2], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert SMTP pdelay: %v", err)
|
||||
}
|
||||
e.smtpDelays.WithLabelValues("before_queue_manager").Observe(pdelay)
|
||||
adelay, err := strconv.ParseFloat(smtpMatches[3], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert SMTP adelay: %v", err)
|
||||
}
|
||||
e.smtpDelays.WithLabelValues("queue_manager").Observe(adelay)
|
||||
sdelay, err := strconv.ParseFloat(smtpMatches[4], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert SMTP sdelay: %v", err)
|
||||
}
|
||||
e.smtpDelays.WithLabelValues("connection_setup").Observe(sdelay)
|
||||
xdelay, err := strconv.ParseFloat(smtpMatches[5], 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert SMTP xdelay: %v", err)
|
||||
}
|
||||
e.smtpDelays.WithLabelValues("transmission").Observe(xdelay)
|
||||
logMatches := logLine.FindStringSubmatch(line)
|
||||
|
||||
if smtpMatches := smtpStatusDeferredLine.FindStringSubmatch(remainder); smtpMatches != nil {
|
||||
e.smtpStatusDeferred.Inc()
|
||||
}
|
||||
} else if smtpTLSMatches := smtpTLSLine.FindStringSubmatch(remainder); smtpTLSMatches != nil {
|
||||
e.smtpTLSConnects.WithLabelValues(smtpTLSMatches[1:]...).Inc()
|
||||
} else if smtpMatches := smtpConnectionTimedOut.FindStringSubmatch(remainder); smtpMatches != nil {
|
||||
e.smtpConnectionTimedOut.Inc()
|
||||
} else {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
}
|
||||
} else if subprocess == "smtpd" {
|
||||
if strings.HasPrefix(remainder, "connect from ") {
|
||||
e.smtpdConnects.Inc()
|
||||
} else if strings.HasPrefix(remainder, "disconnect from ") {
|
||||
e.smtpdDisconnects.Inc()
|
||||
} else if smtpdFCrDNSErrorsLine.MatchString(remainder) {
|
||||
e.smtpdFCrDNSErrors.Inc()
|
||||
} else if smtpdLostConnectionMatches := smtpdLostConnectionLine.FindStringSubmatch(remainder); smtpdLostConnectionMatches != nil {
|
||||
e.smtpdLostConnections.WithLabelValues(smtpdLostConnectionMatches[1]).Inc()
|
||||
} else if smtpdProcessesSASLMatches := smtpdProcessesSASLLine.FindStringSubmatch(remainder); smtpdProcessesSASLMatches != nil {
|
||||
e.smtpdProcesses.WithLabelValues(smtpdProcessesSASLMatches[1]).Inc()
|
||||
} else if strings.Contains(remainder, ": client=") {
|
||||
e.smtpdProcesses.WithLabelValues("").Inc()
|
||||
} else if smtpdRejectsMatches := smtpdRejectsLine.FindStringSubmatch(remainder); smtpdRejectsMatches != nil {
|
||||
e.smtpdRejects.WithLabelValues(smtpdRejectsMatches[1]).Inc()
|
||||
} else if smtpdSASLAuthenticationFailuresLine.MatchString(remainder) {
|
||||
e.smtpdSASLAuthenticationFailures.Inc()
|
||||
} else if smtpdTLSMatches := smtpdTLSLine.FindStringSubmatch(remainder); smtpdTLSMatches != nil {
|
||||
e.smtpdTLSConnects.WithLabelValues(smtpdTLSMatches[1:]...).Inc()
|
||||
} else {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
}
|
||||
if logMatches == nil {
|
||||
// Unknown log entry format.
|
||||
e.addToUnsupportedLine(line, "")
|
||||
return
|
||||
}
|
||||
process := logMatches[1]
|
||||
remainder := logMatches[4]
|
||||
switch process {
|
||||
case "postfix":
|
||||
// Group patterns to check by Postfix service.
|
||||
subprocess := logMatches[3]
|
||||
switch subprocess {
|
||||
case "cleanup":
|
||||
if strings.Contains(remainder, ": message-id=<") {
|
||||
e.cleanupProcesses.Inc()
|
||||
} else if strings.Contains(remainder, ": reject: ") {
|
||||
e.cleanupRejects.Inc()
|
||||
} else {
|
||||
// Unknown Postfix service.
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
e.addToUnsupportedLine(line, subprocess)
|
||||
}
|
||||
case "opendkim":
|
||||
if opendkimMatches := opendkimSignatureAdded.FindStringSubmatch(remainder); opendkimMatches != nil {
|
||||
e.opendkimSignatureAdded.WithLabelValues(opendkimMatches[1], opendkimMatches[2]).Inc()
|
||||
case "lmtp":
|
||||
if lmtpMatches := lmtpPipeSMTPLine.FindStringSubmatch(remainder); lmtpMatches != nil {
|
||||
addToHistogramVec(e.lmtpDelays, lmtpMatches[2], "LMTP pdelay", "before_queue_manager")
|
||||
addToHistogramVec(e.lmtpDelays, lmtpMatches[3], "LMTP adelay", "queue_manager")
|
||||
addToHistogramVec(e.lmtpDelays, lmtpMatches[4], "LMTP sdelay", "connection_setup")
|
||||
addToHistogramVec(e.lmtpDelays, lmtpMatches[5], "LMTP xdelay", "transmission")
|
||||
} else {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
e.addToUnsupportedLine(line, subprocess)
|
||||
}
|
||||
case "pipe":
|
||||
if pipeMatches := lmtpPipeSMTPLine.FindStringSubmatch(remainder); pipeMatches != nil {
|
||||
addToHistogramVec(e.pipeDelays, pipeMatches[2], "PIPE pdelay", pipeMatches[1], "before_queue_manager")
|
||||
addToHistogramVec(e.pipeDelays, pipeMatches[3], "PIPE adelay", pipeMatches[1], "queue_manager")
|
||||
addToHistogramVec(e.pipeDelays, pipeMatches[4], "PIPE sdelay", pipeMatches[1], "connection_setup")
|
||||
addToHistogramVec(e.pipeDelays, pipeMatches[5], "PIPE xdelay", pipeMatches[1], "transmission")
|
||||
} else {
|
||||
e.addToUnsupportedLine(line, subprocess)
|
||||
}
|
||||
case "qmgr":
|
||||
if qmgrInsertMatches := qmgrInsertLine.FindStringSubmatch(remainder); qmgrInsertMatches != nil {
|
||||
addToHistogram(e.qmgrInsertsSize, qmgrInsertMatches[1], "QMGR size")
|
||||
addToHistogram(e.qmgrInsertsNrcpt, qmgrInsertMatches[2], "QMGR nrcpt")
|
||||
} else if strings.HasSuffix(remainder, ": removed") {
|
||||
e.qmgrRemoves.Inc()
|
||||
} else {
|
||||
e.addToUnsupportedLine(line, subprocess)
|
||||
}
|
||||
case "smtp":
|
||||
if smtpMatches := lmtpPipeSMTPLine.FindStringSubmatch(remainder); smtpMatches != nil {
|
||||
addToHistogramVec(e.smtpDelays, smtpMatches[2], "before_queue_manager")
|
||||
addToHistogramVec(e.smtpDelays, smtpMatches[3], "queue_manager")
|
||||
addToHistogramVec(e.smtpDelays, smtpMatches[4], "connection_setup")
|
||||
addToHistogramVec(e.smtpDelays, smtpMatches[5], "transmission")
|
||||
if smtpMatches := smtpStatusDeferredLine.FindStringSubmatch(remainder); smtpMatches != nil {
|
||||
e.smtpStatusDeferred.Inc()
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(process).Inc()
|
||||
} else if smtpTLSMatches := smtpTLSLine.FindStringSubmatch(remainder); smtpTLSMatches != nil {
|
||||
e.smtpTLSConnects.WithLabelValues(smtpTLSMatches[1:]...).Inc()
|
||||
} else if smtpMatches := smtpConnectionTimedOut.FindStringSubmatch(remainder); smtpMatches != nil {
|
||||
e.smtpConnectionTimedOut.Inc()
|
||||
} else {
|
||||
e.addToUnsupportedLine(line, subprocess)
|
||||
}
|
||||
case "smtpd":
|
||||
if strings.HasPrefix(remainder, "connect from ") {
|
||||
e.smtpdConnects.Inc()
|
||||
} else if strings.HasPrefix(remainder, "disconnect from ") {
|
||||
e.smtpdDisconnects.Inc()
|
||||
} else if smtpdFCrDNSErrorsLine.MatchString(remainder) {
|
||||
e.smtpdFCrDNSErrors.Inc()
|
||||
} else if smtpdLostConnectionMatches := smtpdLostConnectionLine.FindStringSubmatch(remainder); smtpdLostConnectionMatches != nil {
|
||||
e.smtpdLostConnections.WithLabelValues(smtpdLostConnectionMatches[1]).Inc()
|
||||
} else if smtpdProcessesSASLMatches := smtpdProcessesSASLLine.FindStringSubmatch(remainder); smtpdProcessesSASLMatches != nil {
|
||||
e.smtpdProcesses.WithLabelValues(smtpdProcessesSASLMatches[1]).Inc()
|
||||
} else if strings.Contains(logMatches[2], ": client=") {
|
||||
e.smtpdProcesses.WithLabelValues("").Inc()
|
||||
} else if smtpdRejectsMatches := smtpdRejectsLine.FindStringSubmatch(remainder); smtpdRejectsMatches != nil {
|
||||
e.smtpdRejects.WithLabelValues(smtpdRejectsMatches[1]).Inc()
|
||||
} else if smtpdSASLAuthenticationFailuresLine.MatchString(remainder) {
|
||||
e.smtpdSASLAuthenticationFailures.Inc()
|
||||
} else if smtpdTLSMatches := smtpdTLSLine.FindStringSubmatch(remainder); smtpdTLSMatches != nil {
|
||||
e.smtpdTLSConnects.WithLabelValues(smtpdTLSMatches[1:]...).Inc()
|
||||
} else {
|
||||
e.addToUnsupportedLine(line, subprocess)
|
||||
}
|
||||
default:
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(process).Inc()
|
||||
e.addToUnsupportedLine(line, subprocess)
|
||||
}
|
||||
} else {
|
||||
case "opendkim":
|
||||
if opendkimMatches := opendkimSignatureAdded.FindStringSubmatch(remainder); opendkimMatches != nil {
|
||||
e.opendkimSignatureAdded.WithLabelValues(opendkimMatches[1], opendkimMatches[2]).Inc()
|
||||
} else {
|
||||
e.addToUnsupportedLine(line, process)
|
||||
}
|
||||
default:
|
||||
// Unknown log entry format.
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues("").Inc()
|
||||
e.addToUnsupportedLine(line, "")
|
||||
}
|
||||
}
|
||||
|
||||
func (e *PostfixExporter) addToUnsupportedLine(line string, subprocess string) {
|
||||
if e.logUnsupportedLines {
|
||||
log.Printf("Unsupported Line: %v", line)
|
||||
}
|
||||
e.unsupportedLogEntries.WithLabelValues(subprocess).Inc()
|
||||
}
|
||||
|
||||
func addToHistogram(h prometheus.Histogram, value, fieldName string) {
|
||||
float, err := strconv.ParseFloat(value, 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert value '%s' for %v: %v", value, fieldName, err)
|
||||
}
|
||||
h.Observe(float)
|
||||
}
|
||||
func addToHistogramVec(h *prometheus.HistogramVec, value, fieldName string, labels ...string) {
|
||||
float, err := strconv.ParseFloat(value, 64)
|
||||
if err != nil {
|
||||
log.Printf("Couldn't convert value '%s' for %v: %v", value, fieldName, err)
|
||||
}
|
||||
h.WithLabelValues(labels...).Observe(float)
|
||||
}
|
||||
|
||||
// CollectLogfileFromFile tails a Postfix log file and collects entries from it.
|
||||
func (e *PostfixExporter) CollectLogfileFromFile(ctx context.Context) {
|
||||
gaugeVec := prometheus.NewGaugeVec(
|
||||
@ -786,63 +710,3 @@ func (e *PostfixExporter) Collect(ch chan<- prometheus.Metric) {
|
||||
ch <- e.smtpConnectionTimedOut
|
||||
e.opendkimSignatureAdded.Collect(ch)
|
||||
}
|
||||
|
||||
func main() {
|
||||
var (
|
||||
app = kingpin.New("postfix_exporter", "Prometheus metrics exporter for postfix")
|
||||
listenAddress = app.Flag("web.listen-address", "Address to listen on for web interface and telemetry.").Default(":9154").String()
|
||||
metricsPath = app.Flag("web.telemetry-path", "Path under which to expose metrics.").Default("/metrics").String()
|
||||
postfixShowqPath = app.Flag("postfix.showq_path", "Path at which Postfix places its showq socket.").Default("/var/spool/postfix/public/showq").String()
|
||||
postfixLogfilePath = app.Flag("postfix.logfile_path", "Path where Postfix writes log entries. This file will be truncated by this exporter.").Default("/var/log/postfix_exporter_input.log").String()
|
||||
logUnsupportedLines = app.Flag("log.unsupported", "Log all unsupported lines.").Bool()
|
||||
systemdEnable bool
|
||||
systemdUnit, systemdSlice, systemdJournalPath string
|
||||
)
|
||||
systemdFlags(&systemdEnable, &systemdUnit, &systemdSlice, &systemdJournalPath, app)
|
||||
|
||||
kingpin.MustParse(app.Parse(os.Args[1:]))
|
||||
|
||||
var journal *Journal
|
||||
if systemdEnable {
|
||||
var err error
|
||||
journal, err = NewJournal(systemdUnit, systemdSlice, systemdJournalPath)
|
||||
if err != nil {
|
||||
log.Fatalf("Error opening systemd journal: %s", err)
|
||||
}
|
||||
defer journal.Close()
|
||||
log.Println("Reading log events from systemd")
|
||||
} else {
|
||||
log.Printf("Reading log events from %v", *postfixLogfilePath)
|
||||
}
|
||||
|
||||
exporter, err := NewPostfixExporter(
|
||||
*postfixShowqPath,
|
||||
*postfixLogfilePath,
|
||||
journal,
|
||||
*logUnsupportedLines,
|
||||
)
|
||||
if err != nil {
|
||||
log.Fatalf("Failed to create PostfixExporter: %s", err)
|
||||
}
|
||||
prometheus.MustRegister(exporter)
|
||||
|
||||
http.Handle(*metricsPath, promhttp.Handler())
|
||||
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
_, err = w.Write([]byte(`
|
||||
<html>
|
||||
<head><title>Postfix Exporter</title></head>
|
||||
<body>
|
||||
<h1>Postfix Exporter</h1>
|
||||
<p><a href='` + *metricsPath + `'>Metrics</a></p>
|
||||
</body>
|
||||
</html>`))
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
})
|
||||
ctx, cancelFunc := context.WithCancel(context.Background())
|
||||
defer cancelFunc()
|
||||
go exporter.StartMetricCollection(ctx)
|
||||
log.Print("Listening on ", *listenAddress)
|
||||
log.Fatal(http.ListenAndServe(*listenAddress, nil))
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user