mirror of
https://github.com/nix-community/home-manager
synced 2024-11-23 11:39:46 +01:00
1743615b61
Adds a new Podman module for creating user containers and networks as systemd services. These are installed to the user's `$XDG_CONFIG/systemd/user` directory.
99 lines
3.4 KiB
Nix
99 lines
3.4 KiB
Nix
{ config, podman-lib, ... }:
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{
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cleanup = ''
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PATH=$PATH:${podman-lib.newuidmapPaths}
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export VERBOSE=true
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DRYRUN_ENABLED() {
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return $([ -n "''${DRY_RUN:-}" ] && echo 0 || echo 1)
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}
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VERBOSE_ENABLED() {
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return $([ -n "''${VERBOSE:-}" ] && echo 0 || echo 1)
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}
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cleanup() {
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local resourceType=$1
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local manifestFile="${config.xdg.configHome}/podman/$2"
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local extraListCommands="''${3:-}"
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[[ $resourceType = "container" ]] && extraListCommands+=" -a"
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[ ! -f "$manifestFile" ] && VERBOSE_ENABLED && echo "Manifest does not exist: $manifestFile" && return 0
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VERBOSE_ENABLED && echo "Cleaning up ''${resourceType}s not in manifest..." || true
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loadManifest "$manifestFile"
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formatString="{{.Name}}"
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[[ $resourceType = "container" ]] && formatString="{{.Names}}"
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local listOutput=$(${config.services.podman.package}/bin/podman $resourceType ls $extraListCommands --filter 'label=nix.home-manager.managed=true' --format "$formatString")
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IFS=$'\n' read -r -d "" -a podmanResources <<< "$listOutput" || true
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if [ ''${#podmanResources[@]} -eq 0 ]; then
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VERBOSE_ENABLED && echo "No ''${resourceType}s available to process." || true
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else
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for resource in "''${podmanResources[@]}"; do
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if ! isResourceInManifest "$resource"; then
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removeResource "$resourceType" "$resource"
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else
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VERBOSE_ENABLED && echo "Keeping managed $resourceType: $resource" || true
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fi
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done
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fi
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}
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isResourceInManifest() {
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local resource="$1"
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for manifestEntry in "''${resourceManifest[@]}"; do
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if [ "$resource" = "$manifestEntry" ]; then
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return 0 # Resource found in manifest
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fi
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done
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return 1 # Resource not found in manifest
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}
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# Function to fill resourceManifest from the manifest file
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loadManifest() {
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local manifestFile="$1"
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VERBOSE_ENABLED && echo "Loading manifest from $manifestFile..." || true
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IFS=$'\n' read -r -d "" -a resourceManifest <<< "$(cat "$manifestFile")" || true
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}
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removeResource() {
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local resourceType="$1"
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local resource="$2"
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echo "Removing orphaned $resourceType: $resource"
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commands=()
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case "$resourceType" in
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"container")
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commands+="${config.services.podman.package}/bin/podman $resourceType stop $resource"
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commands+="${config.services.podman.package}/bin/podman $resourceType rm -f $resource"
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;;
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"network")
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commands+="${config.services.podman.package}/bin/podman $resourceType rm $resource"
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;;
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esac
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for command in "''${commands[@]}"; do
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command=$(echo $command | tr -d ';&|`')
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DRYRUN_ENABLED && echo "Would run: $command" && continue || true
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VERBOSE_ENABLED && echo "Running: $command" || true
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if [[ "$(eval "$command")" != "$resource" ]]; then
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echo -e "\tCommand failed: ''${command}"
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usedByContainers=$(${config.services.podman.package}/bin/podman container ls -a --filter "$resourceType=$resource" --format "{{.Names}}")
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echo -e "\t$resource in use by containers: $usedByContainers"
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fi
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done
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}
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resourceManifest=()
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[[ "$@" == *"--verbose"* ]] && VERBOSE="true"
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[[ "$@" == *"--dry-run"* ]] && DRY_RUN="true"
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for type in "container" "network"; do
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cleanup "$type" "''${type}s.manifest"
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done
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'';
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}
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