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Merge pull request #453 from mike391/Add-support-configure-docker-containers-yaml
Feat: Added support for configuring Docker containers through glance.yaml instead of labels
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commit
1862858c07
@ -1834,6 +1834,19 @@ Configuration of the containers is done via labels applied to each container:
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glance.description: Movies & shows
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glance.description: Movies & shows
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```
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```
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Alternatively, you can also define the values within your `glance.yml` via the `containers` property, where the key is the container name and each value is the same as the labels but without the "glance." prefix:
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```yaml
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- type: docker-containers
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containers:
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container_name_1:
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title: Container Name
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description: Description of the container
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url: https://container.domain.com
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icon: si:container-icon
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hide: false
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```
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For services with multiple containers you can specify a `glance.id` on the "main" container and `glance.parent` on each "child" container:
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For services with multiple containers you can specify a `glance.id` on the "main" container and `glance.parent` on each "child" container:
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<details>
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<details>
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@ -1885,6 +1898,7 @@ If any of the child containers are down, their status will propagate up to the p
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| Name | Type | Required | Default |
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| Name | Type | Required | Default |
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| ---- | ---- | -------- | ------- |
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| ---- | ---- | -------- | ------- |
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| hide-by-default | boolean | no | false |
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| hide-by-default | boolean | no | false |
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| format-container-names | boolean | no | false |
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| sock-path | string | no | /var/run/docker.sock |
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| sock-path | string | no | /var/run/docker.sock |
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| category | string | no | |
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| category | string | no | |
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| running-only | boolean | no | false |
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| running-only | boolean | no | false |
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@ -1892,6 +1906,9 @@ If any of the child containers are down, their status will propagate up to the p
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##### `hide-by-default`
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##### `hide-by-default`
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Whether to hide the containers by default. If set to `true` you'll have to manually add a `glance.hide: false` label to each container you want to display. By default all containers will be shown and if you want to hide a specific container you can add a `glance.hide: true` label.
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Whether to hide the containers by default. If set to `true` you'll have to manually add a `glance.hide: false` label to each container you want to display. By default all containers will be shown and if you want to hide a specific container you can add a `glance.hide: true` label.
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##### `format-container-names`
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When set to `true`, automatically converts container names such as `container_name_1` into `Container Name 1`.
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##### `sock-path`
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##### `sock-path`
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The path to the Docker socket. This can also be a [remote socket](https://docs.docker.com/engine/daemon/remote-access/) or proxied socket using something like [docker-socket-proxy](https://github.com/Tecnativa/docker-socket-proxy).
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The path to the Docker socket. This can also be a [remote socket](https://docs.docker.com/engine/daemon/remote-access/) or proxied socket using something like [docker-socket-proxy](https://github.com/Tecnativa/docker-socket-proxy).
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@ -14,7 +14,7 @@
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{{- range .Children }}
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{{- range .Children }}
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<li class="flex gap-7 items-center">
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<li class="flex gap-7 items-center">
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<div class="margin-bottom-3">{{ template "state-icon" .StateIcon }}</div>
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<div class="margin-bottom-3">{{ template "state-icon" .StateIcon }}</div>
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<div class="color-highlight">{{ .Title }} <span class="size-h5 color-base">{{ .StateText }}</span></div>
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<div class="color-highlight">{{ .Name }} <span class="size-h5 color-base">{{ .StateText }}</span></div>
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</li>
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</li>
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{{- end }}
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{{- end }}
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</ul>
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</ul>
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@ -24,9 +24,9 @@
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<div class="min-width-0 grow">
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<div class="min-width-0 grow">
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{{- if .URL }}
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{{- if .URL }}
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<a href="{{ .URL | safeURL }}" class="color-highlight size-title-dynamic block text-truncate" {{ if not .SameTab }}target="_blank"{{ end }} rel="noreferrer">{{ .Title }}</a>
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<a href="{{ .URL | safeURL }}" class="color-highlight size-title-dynamic block text-truncate" {{ if not .SameTab }}target="_blank"{{ end }} rel="noreferrer">{{ .Name }}</a>
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{{- else }}
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{{- else }}
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<div class="color-highlight text-truncate size-title-dynamic">{{ .Title }}</div>
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<div class="color-highlight text-truncate size-title-dynamic">{{ .Name }}</div>
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{{- end }}
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{{- end }}
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{{- if .Description }}
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{{- if .Description }}
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<div class="text-truncate">{{ .Description }}</div>
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<div class="text-truncate">{{ .Description }}</div>
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@ -21,7 +21,9 @@ type dockerContainersWidget struct {
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RunningOnly bool `yaml:"running-only"`
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RunningOnly bool `yaml:"running-only"`
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Category string `yaml:"category"`
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Category string `yaml:"category"`
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SockPath string `yaml:"sock-path"`
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SockPath string `yaml:"sock-path"`
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FormatContainerNames bool `yaml:"format-container-names"`
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Containers dockerContainerList `yaml:"-"`
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Containers dockerContainerList `yaml:"-"`
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LabelOverrides map[string]map[string]string `yaml:"containers"`
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}
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}
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func (widget *dockerContainersWidget) initialize() error {
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func (widget *dockerContainersWidget) initialize() error {
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@ -35,7 +37,14 @@ func (widget *dockerContainersWidget) initialize() error {
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}
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}
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func (widget *dockerContainersWidget) update(ctx context.Context) {
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func (widget *dockerContainersWidget) update(ctx context.Context) {
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containers, err := fetchDockerContainers(widget.SockPath, widget.HideByDefault, widget.Category, widget.RunningOnly)
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containers, err := fetchDockerContainers(
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widget.SockPath,
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widget.HideByDefault,
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widget.Category,
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widget.RunningOnly,
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widget.FormatContainerNames,
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widget.LabelOverrides,
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)
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if !widget.canContinueUpdateAfterHandlingErr(err) {
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if !widget.canContinueUpdateAfterHandlingErr(err) {
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return
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return
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}
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}
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@ -102,7 +111,7 @@ func (l *dockerContainerLabels) getOrDefault(label, def string) string {
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}
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}
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type dockerContainer struct {
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type dockerContainer struct {
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Title string
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Name string
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URL string
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URL string
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SameTab bool
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SameTab bool
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Image string
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Image string
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@ -124,7 +133,7 @@ func (containers dockerContainerList) sortByStateIconThenTitle() {
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return (*p)[containers[a].StateIcon] < (*p)[containers[b].StateIcon]
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return (*p)[containers[a].StateIcon] < (*p)[containers[b].StateIcon]
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}
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}
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return strings.ToLower(containers[a].Title) < strings.ToLower(containers[b].Title)
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return strings.ToLower(containers[a].Name) < strings.ToLower(containers[b].Name)
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})
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})
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}
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}
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@ -141,8 +150,15 @@ func dockerContainerStateToStateIcon(state string) string {
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}
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}
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}
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}
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func fetchDockerContainers(socketPath string, hideByDefault bool, category string, runningOnly bool) (dockerContainerList, error) {
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func fetchDockerContainers(
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containers, err := fetchDockerContainersFromSource(socketPath, category, runningOnly)
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socketPath string,
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hideByDefault bool,
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category string,
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runningOnly bool,
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formatNames bool,
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labelOverrides map[string]map[string]string,
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) (dockerContainerList, error) {
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containers, err := fetchDockerContainersFromSource(socketPath, category, runningOnly, labelOverrides)
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if err != nil {
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if err != nil {
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return nil, fmt.Errorf("fetching containers: %w", err)
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return nil, fmt.Errorf("fetching containers: %w", err)
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}
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}
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@ -154,7 +170,7 @@ func fetchDockerContainers(socketPath string, hideByDefault bool, category strin
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container := &containers[i]
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container := &containers[i]
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dc := dockerContainer{
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dc := dockerContainer{
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Title: deriveDockerContainerTitle(container),
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Name: deriveDockerContainerName(container, formatNames),
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URL: container.Labels.getOrDefault(dockerContainerLabelURL, ""),
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URL: container.Labels.getOrDefault(dockerContainerLabelURL, ""),
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Description: container.Labels.getOrDefault(dockerContainerLabelDescription, ""),
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Description: container.Labels.getOrDefault(dockerContainerLabelDescription, ""),
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SameTab: stringToBool(container.Labels.getOrDefault(dockerContainerLabelSameTab, "false")),
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SameTab: stringToBool(container.Labels.getOrDefault(dockerContainerLabelSameTab, "false")),
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@ -169,7 +185,7 @@ func fetchDockerContainers(socketPath string, hideByDefault bool, category strin
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for i := range children {
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for i := range children {
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child := &children[i]
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child := &children[i]
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dc.Children = append(dc.Children, dockerContainer{
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dc.Children = append(dc.Children, dockerContainer{
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Title: deriveDockerContainerTitle(child),
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Name: deriveDockerContainerName(child, formatNames),
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StateText: child.Status,
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StateText: child.Status,
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StateIcon: dockerContainerStateToStateIcon(strings.ToLower(child.State)),
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StateIcon: dockerContainerStateToStateIcon(strings.ToLower(child.State)),
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})
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})
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@ -197,12 +213,31 @@ func fetchDockerContainers(socketPath string, hideByDefault bool, category strin
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return dockerContainers, nil
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return dockerContainers, nil
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}
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}
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func deriveDockerContainerTitle(container *dockerContainerJsonResponse) string {
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func deriveDockerContainerName(container *dockerContainerJsonResponse, formatNames bool) string {
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if v := container.Labels.getOrDefault(dockerContainerLabelName, ""); v != "" {
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if v := container.Labels.getOrDefault(dockerContainerLabelName, ""); v != "" {
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return v
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return v
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}
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}
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return strings.TrimLeft(itemAtIndexOrDefault(container.Names, 0, "n/a"), "/")
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if len(container.Names) == 0 || container.Names[0] == "" {
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return "n/a"
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}
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name := strings.TrimLeft(container.Names[0], "/")
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if formatNames {
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name = strings.ReplaceAll(name, "_", " ")
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name = strings.ReplaceAll(name, "-", " ")
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words := strings.Split(name, " ")
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for i := range words {
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if len(words[i]) > 0 {
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words[i] = strings.ToUpper(words[i][:1]) + words[i][1:]
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}
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}
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name = strings.Join(words, " ")
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}
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return name
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}
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}
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func groupDockerContainerChildren(
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func groupDockerContainerChildren(
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@ -243,7 +278,13 @@ func isDockerContainerHidden(container *dockerContainerJsonResponse, hideByDefau
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return hideByDefault
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return hideByDefault
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}
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}
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func fetchDockerContainersFromSource(source string, category string, runningOnly bool) ([]dockerContainerJsonResponse, error) {
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func fetchDockerContainersFromSource(
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source string,
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category string,
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runningOnly bool,
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labelOverrides map[string]map[string]string,
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) ([]dockerContainerJsonResponse, error) {
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var hostname string
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var hostname string
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var client *http.Client
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var client *http.Client
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@ -271,20 +312,12 @@ func fetchDockerContainersFromSource(source string, category string, runningOnly
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}
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}
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}
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}
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query := url.Values{}
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query.Set("all", ternary(runningOnly, "false", "true"))
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if category != "" {
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query.Set(
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"filters",
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fmt.Sprintf(`{"label": ["%s=%s"]}`, dockerContainerLabelCategory, category),
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)
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}
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fetchAll := ternary(runningOnly, "false", "true")
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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defer cancel()
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request, err := http.NewRequestWithContext(ctx, "GET", "http://"+hostname+"/containers/json?"+query.Encode(), nil)
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request, err := http.NewRequestWithContext(ctx, "GET", "http://"+hostname+"/containers/json?all="+fetchAll, nil)
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if err != nil {
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if err != nil {
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return nil, fmt.Errorf("creating request: %w", err)
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return nil, fmt.Errorf("creating request: %w", err)
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}
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}
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@ -304,5 +337,43 @@ func fetchDockerContainersFromSource(source string, category string, runningOnly
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return nil, fmt.Errorf("decoding response: %w", err)
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return nil, fmt.Errorf("decoding response: %w", err)
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}
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}
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for i := range containers {
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container := &containers[i]
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name := strings.TrimLeft(itemAtIndexOrDefault(container.Names, 0, ""), "/")
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if name == "" {
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continue
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}
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overrides, ok := labelOverrides[name]
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if !ok {
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continue
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}
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if container.Labels == nil {
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container.Labels = make(dockerContainerLabels)
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}
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for label, value := range overrides {
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container.Labels["glance."+label] = value
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}
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}
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// We have to filter here instead of using the `filters` parameter of Docker's API
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// because the user may define a category override within their config
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if category != "" {
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filtered := make([]dockerContainerJsonResponse, 0, len(containers))
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for i := range containers {
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container := &containers[i]
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if container.Labels.getOrDefault(dockerContainerLabelCategory, "") == category {
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filtered = append(filtered, *container)
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}
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}
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containers = filtered
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}
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return containers, nil
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return containers, nil
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}
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}
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