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108 lines
4.8 KiB
Markdown
108 lines
4.8 KiB
Markdown
# Configuration file format
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```yaml
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---
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catalog:
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- name: alpine
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tag: stable
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fetcher: html
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fetcher_config:
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url: https://alpinelinux.org/downloads/
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xpath: '//div[@class="l-box"]/p/strong'
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links:
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- icon_class: 'fas fa-globe'
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name: 'Website'
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url: 'https://alpinelinux.org'
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version_constraint:
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allow_downgrade: false
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allow_prerelease: false
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type: semver
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check_interval: 1h
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...
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```
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Each catalog entry contains a `name` and a `tag` representing the entry. You can choose those freely but they should be URL-safe. Some examples I'm using are: `alpine:stable`, `google-chrome:dev`, `google-chrome:stable`, `factorio:latest`, …
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Additionally you will configure a `fetcher` with its corresponding `fetcher_config` for the catalog entry. In the example above the `html` fetcher is used with two attributes configured. The attributes for each fetcher can be found below.
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You can provide your own `links` for each catalog entry which will be added to or override the links returned from the fetcher. If you provide the same `name` as the fetcher uses the link of the fetcher will be overridden. The `icon_class` should consist of `fas` or `fab` and an icon (for example `fa-globe`). You can use all **solid** (`fas`) or **breand** (`fab`) icons within [Font Awesome v5 Free](https://fontawesome.com/v5.15/icons?d=gallery&s=brands,solid&m=free).
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For the `version_constraint`s you must specify a `type` to parse the version returned by the fetcher (currently `semver` and `numeric_dot` (`104.0.5112.79`) are supported) and then can allow downgrades and pre-releases in the version. If no constraint is present, versions are neither parsed nor checked for downgrade / pre-release. If only the `type` is specified, downgrades and pre-releases are forbidden.
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## Available Fetchers
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## Fetcher: `atlassian`
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Fetches latest version of an Atlassian product
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| Attribute | Req. | Type | Default Value | Description |
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| --------- | :--: | ---- | ------------- | ----------- |
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| `product` | ✅ | string | | Lowercase name of the product to fetch (e.g. confluence, crowd, jira-software, ...) |
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| `edition` | | string | | Filter down the versions according to its edition (e.g. "Enterprise" or "Standard" for Confluence) |
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| `search` | | string | `TAR.GZ` | What to search in the download description: default is to search for the standalone .tar.gz file |
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## Fetcher: `git_tag`
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Reads git tags (annotated and leightweight) from a remote repository and returns the newest one
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| Attribute | Req. | Type | Default Value | Description |
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| --------- | :--: | ---- | ------------- | ----------- |
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| `remote` | ✅ | string | | Repository remote to fetch the tags from (should accept everything you can use in `git remote set-url` command) |
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## Fetcher: `github_release`
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Fetches the latest release from Github for a given repository not marked as pre-release
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| Attribute | Req. | Type | Default Value | Description |
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| --------- | :--: | ---- | ------------- | ----------- |
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| `repository` | ✅ | string | | Repository to fetch in form `owner/repo` |
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## Fetcher: `helm`
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Fetches the index file of a Helm Repo and yields the latest Helm-Chart version
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| Attribute | Req. | Type | Default Value | Description |
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| --------- | :--: | ---- | ------------- | ----------- |
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| `chart` | ✅ | string | | Chart to fetch the version of (i.e. "grafana") |
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| `repo` | ✅ | string | | URL of the repo (i.e. "https://grafana.github.io/helm-charts") |
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## Fetcher: `html`
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Downloads website, selects text-node using XPath and optionally applies custom regular expression
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| Attribute | Req. | Type | Default Value | Description |
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| --------- | :--: | ---- | ------------- | ----------- |
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| `url` | ✅ | string | | URL to fetch the HTML from |
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| `xpath` | ✅ | string | | XPath expression leading to the text-node containing the version |
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| `regex` | | string | `(v?(?:[0-9]+\.?){2,})` | Regular expression to apply to the text from the XPath expression |
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## Fetcher: `json`
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Fetches a JSON / JSONP file from remote source and traverses it using XPath expression
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| Attribute | Req. | Type | Default Value | Description |
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| --------- | :--: | ---- | ------------- | ----------- |
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| `url` | ✅ | string | | URL to fetch the HTML from |
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| `xpath` | ✅ | string | | XPath expression leading to the text-node containing the version |
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| `jsonp` | | boolean | `false` | File contains JSONP function, strip it to get the raw JSON |
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## Fetcher: `regex`
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Fetches URL and applies a regular expression to extract a version from it
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| Attribute | Req. | Type | Default Value | Description |
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| --------- | :--: | ---- | ------------- | ----------- |
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| `regex` | ✅ | string | | Regular expression (RE2) to apply to the text fetched from the URL. The regex MUST have exactly one submatch containing the version. |
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| `url` | ✅ | string | | URL to fetch the content from |
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