Merge pull request #41 from wbollock/ci/docker

ci: publish dockerimage

Author: wbollock

.goreleaser.yaml

@@ -16,12 +16,15 @@ builds:
     ldflags:
       - -X main.Version={{.Version}} -X main.Commit={{.Commit}} -X main.BuildDate={{ .CommitDate }}
 archives:
-  - replacements:
-      darwin: Darwin
-      linux: Linux
-      windows: Windows
-      386: i386
-      amd64: x86_64
+  - name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else if eq .Arch "darwin" }}Darwin
+      {{- else if eq .Arch "linux" }}Linux
+      {{- else if eq .Arch "windows" }}Windows
+      {{- else }}{{ .Arch }}{{ end }}
 checksum:
   name_template: 'checksums.txt'
 snapshot:
@@ -32,6 +35,23 @@ changelog:
     exclude:
       - '^docs:'
       - '^test:'
+dockers:
+  # build latest and specific tag version images
+  - image_templates:
+      - "ghcr.io/wbollock/{{.ProjectName}}:{{ .Tag }}"
+      - "ghcr.io/wbollock/{{.ProjectName}}:latest"
+    goos: linux
+    goarch: amd64
+    use: docker
+    build_flag_templates:
+    - "--pull"
+    - "--label=org.opencontainers.image.created={{.Date}}"
+    - "--label=org.opencontainers.image.title={{.ProjectName}}"
+    - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+    - "--label=org.opencontainers.image.version={{.Version}}"
+    - "--label=org.opencontainers.image.source=https://github.com/wbollock/nagios_exporter"
+    - "--label=org.opencontainers.image.description='A Prometheus Exporter for Nagios'"
+    - "--label=org.opencontainers.image.licenses=MIT"
 nfpms:
   -  id: default
      formats:

Dockerfile

@@ -0,0 +1,13 @@
+# taken from https://github.com/prometheus/haproxy_exporter/blob/d4aba878f043fd3ad0bcacd0149e7d75e67c0faa/Dockerfile
+ARG ARCH="amd64"
+ARG OS="linux"
+# they don't tag versions only latest
+FROM quay.io/prometheus/busybox-${OS}-${ARCH}:latest
+# https://github.com/prometheus/busybox
+LABEL maintainer="Will Bollock <wbollock@gmail.com>"
+
+COPY nagios_exporter /bin/nagios_exporter
+
+EXPOSE      9927
+USER        nobody
+ENTRYPOINT  [ "/bin/nagios_exporter" ]

README.md

@@ -32,6 +32,7 @@ This exporter does not output Nagios check results as Prometheus metrics; it is
   - [Table of Contents](#table-of-contents)
   - [Installation](#installation)
     - [Debian/RPM package](#debianrpm-package)
+    - [Docker](#docker)
     - [Binary](#binary)
     - [Source](#source)
   - [Configuration](#configuration)
@@ -59,6 +60,17 @@ wget https://github.com/wbollock/nagios_exporter/releases/download/v{{ version }
 {dpkg,rpm} -i prometheus-nagios-exporter_{{ version }}_linux_amd64.{deb,rpm}
 ```
 
+### Docker
+
+Populate `config.toml` with your `APIKey = NagiosXIAPIKey`
+
+```console
+sudo docker run \
+-v ./config.toml:/etc/prometheus-nagios-exporter/config.toml \
+ghcr.io/wbollock/nagios_exporter \
+--nagios.scrape-uri http://localhost
+```
+
 ### Binary
 
 ```bash
@@ -108,7 +120,7 @@ To see all available configuration flags:
 | `---config.path`               | Configuration file path, only for API key | /etc/prometheus-nagios-exporter/config.toml           | ❌        |
 | `--log.level`               | Minimum log level like "debug" or "info"           |   info | ❌        |
 | `--nagios.check-updates`               | Enable optional `nagios_update_available_info` metric         |   false        | ❌       |
-| `--nagios.config_path`            | Nagios configuration path for use with nagiostats binary                           |    `/usr/local/nagios/etc/nagios.cfg  `     | ❌       |
+| `--nagios.config_path`            | Nagios configuration path for use with nagiostats binary                           |    `/usr/local/nagios/etc/nagios.cfg`     | ❌       |
 | `--nagios.scrape-uri`           | Nagios application address to scrape     |   `http://localhost    `    | ❌       |
 | `--nagios.ssl-verify`       | SSL certificate validation                      | false | ❌       |
 | `--nagios.stats_binary`         | Path of nagiostats binary and configuration (e.g `/usr/local/nagios/bin/nagiostats`)                |   | ❌       |