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Monitor-only for individual containers (#652)

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* Add monitor-only label

* Add tests for monitor-only

* Treat missing monitor-only label as if the option was set to false

* Add docs for container-based monitor-only

* Add function doc

* Fix monitor-only logic
This commit is contained in:
David H 2020-10-03 22:00:02 +02:00 • committed by GitHub
parent 98b518612b
commit bde421be0d
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7 changed files with 147 additions and 10 deletions
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70
internal/actions/update_test.go
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@ -5,6 +5,7 @@ import (
"github.com/containrrr/watchtower/pkg/container"
"github.com/containrrr/watchtower/pkg/container/mocks"
"github.com/containrrr/watchtower/pkg/types"
container2 "github.com/docker/docker/api/types/container"
cli "github.com/docker/docker/client"
"time"
@ -80,4 +81,73 @@ var _ = Describe("the update action", func() {
})
})
})
When("watchtower has been instructed to monitor only", func() {
When("certain containers are set to monitor only", func() {
BeforeEach(func() {
client = CreateMockClient(
&TestData{
NameOfContainerToKeep: "test-container-02",
Containers: []container.Container{
CreateMockContainer(
"test-container-01",
"test-container-01",
"fake-image1:latest",
time.Now()),
CreateMockContainerWithConfig(
"test-container-02",
"test-container-02",
"fake-image2:latest",
time.Now(),
&container2.Config{
Labels: map[string]string{
"com.centurylinklabs.watchtower.monitor-only": "true",
},
}),
},
},
dockerClient,
false,
false,
)
})
It("should not update those containers", func() {
err := actions.Update(client, types.UpdateParams{Cleanup: true})
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImageCount).To(Equal(1))
})
})
When("monitor only is set globally", func() {
BeforeEach(func() {
client = CreateMockClient(
&TestData{
Containers: []container.Container{
CreateMockContainer(
"test-container-01",
"test-container-01",
"fake-image:latest",
time.Now()),
CreateMockContainer(
"test-container-02",
"test-container-02",
"fake-image:latest",
time.Now()),
},
},
dockerClient,
false,
false,
)
})
It("should not update any containers", func() {
err := actions.Update(client, types.UpdateParams{MonitorOnly: true})
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImageCount).To(Equal(0))
})
})
})
})