refactor: extract code from the container package
Simon Aronsson
5 years ago
parent
4130b110c6
commit
d1abce889a
@ -0,0 +1,93 @@
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package lifecycle
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import (
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"github.com/containrrr/watchtower/pkg/container"
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"github.com/containrrr/watchtower/pkg/types"
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log "github.com/sirupsen/logrus"
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)
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// ExecutePreChecks tries to run the pre-check lifecycle hook for all containers included by the current filter.
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func ExecutePreChecks(client container.Client, params types.UpdateParams) {
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containers, err := client.ListContainers(params.Filter)
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if err != nil {
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return
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}
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for _, container := range containers {
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ExecutePreCheckCommand(client, container)
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}
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}
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// ExecutePostChecks tries to run the post-check lifecycle hook for all containers included by the current filter.
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func ExecutePostChecks(client container.Client, params types.UpdateParams) {
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containers, err := client.ListContainers(params.Filter)
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if err != nil {
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return
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}
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for _, container := range containers {
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ExecutePostCheckCommand(client, container)
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}
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}
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// ExecutePreCheckCommand tries to run the pre-check lifecycle hook for a single container.
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func ExecutePreCheckCommand(client container.Client, container container.Container) {
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command := container.GetLifecyclePreCheckCommand()
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if len(command) == 0 {
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log.Debug("No pre-check command supplied. Skipping")
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return
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}
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log.Info("Executing pre-check command.")
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if err := client.ExecuteCommand(container.ID(), command); err != nil {
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log.Error(err)
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}
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}
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// ExecutePostCheckCommand tries to run the post-check lifecycle hook for a single container.
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func ExecutePostCheckCommand(client container.Client, container container.Container) {
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command := container.GetLifecyclePostCheckCommand()
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if len(command) == 0 {
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log.Debug("No post-check command supplied. Skipping")
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return
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}
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log.Info("Executing post-check command.")
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if err := client.ExecuteCommand(container.ID(), command); err != nil {
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log.Error(err)
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}
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}
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// ExecutePreUpdateCommand tries to run the pre-update lifecycle hook for a single container.
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func ExecutePreUpdateCommand(client container.Client, container container.Container) {
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command := container.GetLifecyclePreUpdateCommand()
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if len(command) == 0 {
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log.Debug("No pre-update command supplied. Skipping")
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return
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}
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log.Info("Executing pre-update command.")
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if err := client.ExecuteCommand(container.ID(), command); err != nil {
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log.Error(err)
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}
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}
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// ExecutePostUpdateCommand tries to run the post-update lifecycle hook for a single container.
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func ExecutePostUpdateCommand(client container.Client, newContainerID string) {
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newContainer, err := client.GetContainer(newContainerID)
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if err != nil {
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log.Error(err)
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return
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}
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command := newContainer.GetLifecyclePostUpdateCommand()
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if len(command) == 0 {
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log.Debug("No post-update command supplied. Skipping")
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return
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}
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log.Info("Executing post-update command.")
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if err := client.ExecuteCommand(newContainerID, command); err != nil {
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log.Error(err)
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}
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}
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@ -0,0 +1,33 @@
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package registry
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import (
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"github.com/docker/docker/api/types"
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log "github.com/sirupsen/logrus"
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)
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// GetPullOptions creates a struct with all options needed for pulling images from a registry
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func GetPullOptions(imageName string) (types.ImagePullOptions, error) {
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auth, err := EncodedAuth(imageName)
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log.Debugf("Got image name: %s", imageName)
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if err != nil {
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return types.ImagePullOptions{}, err
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}
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log.Debugf("Got auth value: %s", auth)
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if auth == "" {
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return types.ImagePullOptions{}, nil
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}
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return types.ImagePullOptions{
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RegistryAuth: auth,
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PrivilegeFunc: DefaultAuthHandler,
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}, nil
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}
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// DefaultAuthHandler will be invoked if an AuthConfig is rejected
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// It could be used to return a new value for the "X-Registry-Auth" authentication header,
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// but there's no point trying again with the same value as used in AuthConfig
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func DefaultAuthHandler() (string, error) {
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log.Debug("Authentication request was rejected. Trying again without authentication")
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return "", nil
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}
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@ -1,4 +1,4 @@
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package container
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package registry
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import (
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"github.com/stretchr/testify/assert"
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@ -1,13 +1,12 @@
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package actions
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package types
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import (
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t "github.com/containrrr/watchtower/pkg/types"
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"time"
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)
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// UpdateParams contains all different options available to alter the behavior of the Update func
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type UpdateParams struct {
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Filter t.Filter
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Filter Filter
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Cleanup bool
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NoRestart bool
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Timeout time.Duration
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