add arm64 support

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.19.1 to 1.20.2.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.19.1...v1.20.2)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/dependabot.yml

@@ -4,11 +4,11 @@ updates:
   - package-ecosystem: gomod
     directory: /
     schedule:
-      interval: weekly
+      interval: monthly
 
   - package-ecosystem: github-actions
     directory: /
     schedule:
-      interval: weekly
+      interval: monthly
 
 # vim: set sw=2 sts=2 et :

.github/workflows/ci.yaml

@@ -4,15 +4,13 @@ on:
   workflow_dispatch:
   pull_request:
   push:
-  schedule:
-    - cron: '13 4 */9 * *'
 
 permissions:
   contents: read
 
 jobs:
   test:
-    uses: hansmi/ghactions-go-test-workflow/.github/workflows/test.yaml@stable
+    uses: hansmi/ghactions-go-test-workflow/.github/workflows/test.yaml@v0.2
     with:
       runs-on: ubuntu-latest
 

.github/workflows/release.yaml

@@ -9,7 +9,7 @@ permissions: {}
 
 jobs:
   release:
-    uses: hansmi/ghactions-goreleaser-workflow/.github/workflows/release.yaml@stable
+    uses: hansmi/ghactions-goreleaser-workflow/.github/workflows/release.yaml@v0.3
     permissions:
       contents: write
       packages: write

.goreleaser.yml

@@ -4,6 +4,8 @@
 # Local test: contrib/build-all
 #
 
+version: 2
+
 project_name: prometheus-paperless-exporter
 
 builds:
@@ -13,6 +15,11 @@ builds:
       - CGO_ENABLED=0
     targets:
       - go_first_class
+    goos:
+      - linux
+    goarch:
+      - amd64
+      - arm64
     flags:
       - -trimpath
     ldflags: |
@@ -44,24 +51,56 @@ archives:
       - README.md
 
 dockers:
-  - ids:
-      - prometheus-paperless-exporter
-    use: buildx
+  - use: buildx
+    goos: linux
+    goarch: amd64
     dockerfile: contrib/Dockerfile.goreleaser
+    image_templates:
+      - ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}-amd64
+      - ghcr.io/hansmi/prometheus-paperless-exporter:v{{.Major}}-amd64
     extra_files:
       - LICENSE
       - README.md
-    image_templates:
-      - ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}
-      - ghcr.io/hansmi/prometheus-paperless-exporter:v{{.Major}}
-      - ghcr.io/hansmi/prometheus-paperless-exporter:latest
     build_flag_templates:
+      - --platform=linux/amd64
       - --pull
       - --label=org.opencontainers.image.created={{.Date}}
       - --label=org.opencontainers.image.name={{.ProjectName}}
       - --label=org.opencontainers.image.revision={{.FullCommit}}
       - --label=org.opencontainers.image.version={{.Version}}
       - --label=org.opencontainers.image.source={{.GitURL}}
+  - use: buildx
+    goos: linux
+    goarch: arm64
+    dockerfile: contrib/Dockerfile.goreleaser
+    image_templates:
+      - ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}-arm64
+      - ghcr.io/hansmi/prometheus-paperless-exporter:v{{.Major}}-arm64
+    extra_files:
+      - LICENSE
+      - README.md
+    build_flag_templates:
+      - --platform=linux/arm64
+      - --pull
+      - --label=org.opencontainers.image.created={{.Date}}
+      - --label=org.opencontainers.image.name={{.ProjectName}}
+      - --label=org.opencontainers.image.revision={{.FullCommit}}
+      - --label=org.opencontainers.image.version={{.Version}}
+      - --label=org.opencontainers.image.source={{.GitURL}}
+
+docker_manifests:
+  - name_template: ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}
+    image_templates:
+      - ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}-amd64
+      - ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}-arm64
+  - name_template: ghcr.io/hansmi/prometheus-paperless-exporter:v{{.Major}}
+    image_templates:
+      - ghcr.io/hansmi/prometheus-paperless-exporter:v{{.Major}}-amd64
+      - ghcr.io/hansmi/prometheus-paperless-exporter:v{{.Major}}-arm64
+  - name_template: ghcr.io/hansmi/prometheus-paperless-exporter:latest
+    image_templates:
+      - ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}-amd64
+      - ghcr.io/hansmi/prometheus-paperless-exporter:{{.Tag}}-arm64
 
 release:
   draft: true

README.md

@@ -27,6 +27,24 @@ toolkit][toolkit]. A configuration file can be passed to the `-web.config` flag
 See the `--help` output for more flags.
 
 
+## Permissions
+
+Since late 2023 Paperless-ngx [supports object
+permissions][paperless-permissions]. The metrics user requires _view_
+permissions on the following types:
+
+* Admin
+  * Required for log analysis.
+  * Starting with version 2.8 there is no distinction between different access
+    modes ([paperless-ngx#6380](https://github.com/paperless-ngx/paperless-ngx/pull/6380)).
+* Correspondent
+* Document
+* DocumentType
+* PaperlessTask
+* StoragePath
+* Tag
+
+
 ## Installation
 
 Pre-built binaries are provided for [all releases][releases]:
@@ -46,10 +64,22 @@ With the source being available it's also possible to produce custom builds
 directly using [Go][golang] or [GoReleaser][goreleaser].
 
 
+### Docker Compose
+
+An example configuration for [Docker Compose][dockercompose] is available in
+`contrib/docker-compose`:
+
+```shell
+env --chdir contrib/docker-compose docker-compose up
+```
+
+
+[dockercompose]: https://docs.docker.com/compose/
 [golang]: https://golang.org/
 [goreleaser]: https://goreleaser.com/
 [paperless-api]: https://docs.paperless-ngx.com/api/
 [paperless]: https://docs.paperless-ngx.com/
+[paperless-permissions]: https://docs.paperless-ngx.com/usage/#permissions
 [releases]: https://github.com/hansmi/prometheus-paperless-exporter/releases/latest
 [toolkit]: https://github.com/prometheus/exporter-toolkit
 [toolkitconfig]: https://github.com/prometheus/exporter-toolkit/blob/master/docs/web-configuration.md

contrib/build-all

@@ -11,6 +11,6 @@ docker run --rm \
   -v "${PWD}:/go/src/${package}" \
   -v /var/run/docker.sock:/var/run/docker.sock \
   -w "/go/src/${package}" \
-  goreleaser/goreleaser:latest release --snapshot --clean --skip-publish
+  goreleaser/goreleaser:latest release --snapshot --clean --skip=publish
 
 # vim: set sw=2 sts=2 et :

contrib/docker-compose/.env

@@ -0,0 +1 @@
+COMPOSE_PROJECT_NAME=prometheus-paperless-exporter

contrib/docker-compose/config/auth-token.txt

@@ -0,0 +1 @@
+insecuretoken

contrib/docker-compose/docker-compose.yml

@@ -0,0 +1,14 @@
+---
+version: "3.7"
+services:
+  exporter:
+    image: ghcr.io/hansmi/prometheus-paperless-exporter:latest
+    restart: on-failure
+    init: true
+    ports:
+      - 127.0.0.1:8081:8081
+    env_file: exporter.env
+    volumes:
+      - ./config/:/etc/exporter:ro
+
+# vim: set sw=2 sts=2 et :

contrib/docker-compose/exporter.env

@@ -0,0 +1,5 @@
+PAPERLESS_URL=https://paperless.example.com
+PAPERLESS_AUTH_TOKEN_FILE=/etc/exporter/auth-token.txt
+PAPERLESS_SERVER_TIMEZONE=Australia/Sydney
+
+# vim: set sw=2 sts=2 et :

correspondent.go

@@ -9,7 +9,7 @@ import (
 )
 
 type correspondentClient interface {
-	ListAllCorrespondents(context.Context, *client.ListCorrespondentsOptions, func(context.Context, client.Correspondent) error) error
+	ListAllCorrespondents(context.Context, client.ListCorrespondentsOptions, func(context.Context, client.Correspondent) error) error
 }
 
 type correspondentCollector struct {
@@ -43,7 +43,8 @@ func (c *correspondentCollector) describe(ch chan<- *prometheus.Desc) {
 }
 
 func (c *correspondentCollector) collect(ctx context.Context, ch chan<- prometheus.Metric) error {
-	opts := &client.ListCorrespondentsOptions{}
+	var opts client.ListCorrespondentsOptions
+
 	opts.Ordering.Field = "name"
 
 	return c.cl.ListAllCorrespondents(ctx, opts, func(_ context.Context, correspondent client.Correspondent) error {

correspondent_test.go

@@ -18,7 +18,7 @@ type fakeCorrespondentClient struct {
 	err   error
 }
 
-func (c *fakeCorrespondentClient) ListAllCorrespondents(ctx context.Context, opts *client.ListCorrespondentsOptions, handler func(context.Context, client.Correspondent) error) error {
+func (c *fakeCorrespondentClient) ListAllCorrespondents(ctx context.Context, opts client.ListCorrespondentsOptions, handler func(context.Context, client.Correspondent) error) error {
 	for _, i := range c.items {
 		if err := handler(ctx, i); err != nil {
 			return err

documenttype.go

@@ -9,7 +9,7 @@ import (
 )
 
 type documentTypeClient interface {
-	ListAllDocumentTypes(context.Context, *client.ListDocumentTypesOptions, func(context.Context, client.DocumentType) error) error
+	ListAllDocumentTypes(context.Context, client.ListDocumentTypesOptions, func(context.Context, client.DocumentType) error) error
 }
 
 type documentTypeCollector struct {
@@ -38,7 +38,8 @@ func (c *documentTypeCollector) describe(ch chan<- *prometheus.Desc) {
 }
 
 func (c *documentTypeCollector) collect(ctx context.Context, ch chan<- prometheus.Metric) error {
-	opts := &client.ListDocumentTypesOptions{}
+	var opts client.ListDocumentTypesOptions
+
 	opts.Ordering.Field = "name"
 
 	return c.cl.ListAllDocumentTypes(ctx, opts, func(_ context.Context, doctype client.DocumentType) error {

documenttype_test.go

@@ -16,7 +16,7 @@ type fakeDocumentTypeClient struct {
 	err   error
 }
 
-func (c *fakeDocumentTypeClient) ListAllDocumentTypes(ctx context.Context, opts *client.ListDocumentTypesOptions, handler func(context.Context, client.DocumentType) error) error {
+func (c *fakeDocumentTypeClient) ListAllDocumentTypes(ctx context.Context, opts client.ListDocumentTypesOptions, handler func(context.Context, client.DocumentType) error) error {
 	for _, i := range c.items {
 		if err := handler(ctx, i); err != nil {
 			return err

go.mod

@@ -1,42 +1,45 @@
 module github.com/hansmi/prometheus-paperless-exporter
 
-go 1.19
+go 1.21
+
+toolchain go1.21.5
 
 require (
-	github.com/alecthomas/kingpin/v2 v2.3.2
+	github.com/alecthomas/kingpin/v2 v2.4.0
 	github.com/go-kit/log v0.2.1
-	github.com/google/go-cmp v0.5.9
-	github.com/hansmi/paperhooks v0.0.3
-	github.com/prometheus/client_golang v1.16.0
-	github.com/prometheus/common v0.44.0
-	github.com/prometheus/exporter-toolkit v0.10.0
-	golang.org/x/sync v0.3.0
+	github.com/google/go-cmp v0.6.0
+	github.com/hansmi/paperhooks v0.0.11
+	github.com/prometheus/client_golang v1.20.2
+	github.com/prometheus/exporter-toolkit v0.11.0
+	golang.org/x/sync v0.8.0
 )
 
 require (
+	cloud.google.com/go/compute/metadata v0.3.0 // indirect
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
-	github.com/go-resty/resty/v2 v2.7.0 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/go-resty/resty/v2 v2.12.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/jpillora/backoff v1.0.0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/kylelemons/godebug v1.1.0 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
-	github.com/prometheus/client_model v0.4.0 // indirect
-	github.com/prometheus/procfs v0.11.0 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/xhit/go-str2duration/v2 v2.1.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/crypto v0.10.0 // indirect
-	golang.org/x/net v0.11.0 // indirect
-	golang.org/x/oauth2 v0.9.0 // indirect
-	golang.org/x/sys v0.9.0 // indirect
-	golang.org/x/text v0.10.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	golang.org/x/crypto v0.24.0 // indirect
+	golang.org/x/exp v0.0.0-20231214170342-aacd6d4b4611 // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/oauth2 v0.21.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )

go.sum

@@ -1,13 +1,15 @@
-github.com/alecthomas/kingpin/v2 v2.3.2 h1:H0aULhgmSzN8xQ3nX1uxtdlTHYoPLu5AhHxWrKI6ocU=
-github.com/alecthomas/kingpin/v2 v2.3.2/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
+cloud.google.com/go/compute/metadata v0.3.0 h1:Tz+eQXMEqDIKRsmY3cHTL6FVaynIjX2QxYC4trgAKZc=
+cloud.google.com/go/compute/metadata v0.3.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1hT1fIilQDwofLpJ20k=
+github.com/alecthomas/kingpin/v2 v2.4.0 h1:f48lwail6p8zpO1bC4TxtqACaGqHYA22qkHjHpqDjYY=
+github.com/alecthomas/kingpin/v2 v2.4.0/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
 github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 h1:s6gZFSlWYmbqAuRjVTiNNhvNRfY2Wxp9nhfyel4rklc=
 github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
 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/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
-github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
+github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -17,85 +19,121 @@ github.com/go-kit/log v0.2.1 h1:MRVx0/zhvdseW+Gza6N9rVzU/IVzaeE1SFI4raAhmBU=
 github.com/go-kit/log v0.2.1/go.mod h1:NwTd00d/i8cPZ3xOwwiv2PO5MOcx78fFErGNcVmBjv0=
 github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
 github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
-github.com/go-resty/resty/v2 v2.7.0 h1:me+K9p3uhSmXtrBZ4k9jcEAfJmuC8IivWHwaLZwPrFY=
-github.com/go-resty/resty/v2 v2.7.0/go.mod h1:9PWDzw47qPphMRFfhsyk0NnSgvluHcljSMVIq3w7q0I=
+github.com/go-resty/resty/v2 v2.12.0 h1:rsVL8P90LFvkUYq/V5BTVe203WfRIU4gvcf+yfzJzGA=
+github.com/go-resty/resty/v2 v2.12.0/go.mod h1:o0yGPrkS3lOe1+eFajk6kBW8ScXzwU3hD69/gt2yB/0=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-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 v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
-github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
 github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
-github.com/hansmi/paperhooks v0.0.3 h1:0RgPHZaEG790kjtA9iYks+4pxLOkq4UHf2oNquA8aXk=
-github.com/hansmi/paperhooks v0.0.3/go.mod h1:OQVL9560CVYa3lLVYPQ0WrRzGMs9ibyY3HSPrLRXEz4=
-github.com/jarcoal/httpmock v1.3.0 h1:2RJ8GP0IIaWwcC9Fp2BmVi8Kog3v2Hn7VXM3fTd+nuc=
+github.com/hansmi/paperhooks v0.0.11 h1:GApCB8Tevlk8yH1Yk73jIEvLMIGzVr4U6iZ91uUE8b0=
+github.com/hansmi/paperhooks v0.0.11/go.mod h1:C28ZIKHYxFeIZLnjPoWP2c19IWFHP7off3oCP2uHxdA=
+github.com/jarcoal/httpmock v1.3.1 h1:iUx3whfZWVf3jT01hQTO/Eo5sAYtB2/rqaUuOtpInww=
+github.com/jarcoal/httpmock v1.3.1/go.mod h1:3yb8rc4BI7TCBhFY8ng0gjuLKJNquuDNiPaZjnENuYg=
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 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -11,8 +11,8 @@ import (
 	"github.com/hansmi/paperhooks/pkg/kpflag"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/collectors"
+	"github.com/prometheus/client_golang/prometheus/collectors/version"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"github.com/prometheus/common/version"
 	"github.com/prometheus/exporter-toolkit/web"
 	webflag "github.com/prometheus/exporter-toolkit/web/kingpinflag"
 )

multicollector.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"log"
 	"runtime"
 	"time"
 
@@ -53,6 +54,7 @@ func (c *multiCollector) Collect(ch chan<- prometheus.Metric) {
 	}
 
 	if err := g.Wait(); err != nil {
+		log.Printf("Metrics collection failed: %v", err.Error())
 		ch <- prometheus.NewInvalidMetric(
 			prometheus.NewDesc("paperless_error", "Metrics collection failed", nil, nil),
 			err)

storagepath.go

@@ -9,7 +9,7 @@ import (
 )
 
 type storagePathClient interface {
-	ListAllStoragePaths(context.Context, *client.ListStoragePathsOptions, func(context.Context, client.StoragePath) error) error
+	ListAllStoragePaths(context.Context, client.ListStoragePathsOptions, func(context.Context, client.StoragePath) error) error
 }
 
 type storagePathCollector struct {
@@ -38,7 +38,8 @@ func (c *storagePathCollector) describe(ch chan<- *prometheus.Desc) {
 }
 
 func (c *storagePathCollector) collect(ctx context.Context, ch chan<- prometheus.Metric) error {
-	opts := &client.ListStoragePathsOptions{}
+	var opts client.ListStoragePathsOptions
+
 	opts.Ordering.Field = "name"
 
 	return c.cl.ListAllStoragePaths(ctx, opts, func(_ context.Context, sp client.StoragePath) error {

storagepath_test.go

@@ -16,7 +16,7 @@ type fakeStoragePathClient struct {
 	err   error
 }
 
-func (c *fakeStoragePathClient) ListAllStoragePaths(ctx context.Context, opts *client.ListStoragePathsOptions, handler func(context.Context, client.StoragePath) error) error {
+func (c *fakeStoragePathClient) ListAllStoragePaths(ctx context.Context, opts client.ListStoragePathsOptions, handler func(context.Context, client.StoragePath) error) error {
 	for _, i := range c.items {
 		if err := handler(ctx, i); err != nil {
 			return err

tag.go

@@ -9,7 +9,7 @@ import (
 )
 
 type tagClient interface {
-	ListAllTags(context.Context, *client.ListTagsOptions, func(context.Context, client.Tag) error) error
+	ListAllTags(context.Context, client.ListTagsOptions, func(context.Context, client.Tag) error) error
 }
 
 type tagCollector struct {
@@ -38,7 +38,8 @@ func (c *tagCollector) describe(ch chan<- *prometheus.Desc) {
 }
 
 func (c *tagCollector) collect(ctx context.Context, ch chan<- prometheus.Metric) error {
-	opts := &client.ListTagsOptions{}
+	var opts client.ListTagsOptions
+
 	opts.Ordering.Field = "name"
 
 	return c.cl.ListAllTags(ctx, opts, func(_ context.Context, tag client.Tag) error {

tag_test.go

@@ -16,7 +16,7 @@ type fakeTagClient struct {
 	err   error
 }
 
-func (c *fakeTagClient) ListAllTags(ctx context.Context, opts *client.ListTagsOptions, handler func(context.Context, client.Tag) error) error {
+func (c *fakeTagClient) ListAllTags(ctx context.Context, opts client.ListTagsOptions, handler func(context.Context, client.Tag) error) error {
 	for _, i := range c.items {
 		if err := handler(ctx, i); err != nil {
 			return err