Use Restic spec hash instead of resource version to restart pods (#399)

stashed · Mar 27, 2018 · afb1746 · afb1746
1 parent 4486724
commit afb1746
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Showing 4 changed files with 49 additions and 1 deletion.
diff --git a/apis/stash/v1alpha1/annotations.go b/apis/stash/v1alpha1/annotations.go
@@ -5,5 +5,5 @@ const (
 	LastAppliedConfiguration = ResticKey + "/last-applied-configuration"
 	VersionTag               = ResticKey + "/tag"
 	// ResourceVersion will be used to trigger restarts for ReplicaSet and RC pods
-	ResourceVersion = ResticKey + "/resource-version"
+	ResourceHash = ResticKey + "/resource-hash"
 )
diff --git a/apis/stash/v1alpha1/helpers.go b/apis/stash/v1alpha1/helpers.go
@@ -1,7 +1,11 @@
 package v1alpha1
 
 import (
+	"hash/fnv"
+	"strconv"
+
 	core "k8s.io/api/core/v1"
+	hashutil "k8s.io/kubernetes/pkg/util/hash"
 )
 
 func (l LocalSpec) ToVolumeAndMount(volName string) (core.Volume, core.VolumeMount) {
@@ -16,3 +20,9 @@ func (l LocalSpec) ToVolumeAndMount(volName string) (core.Volume, core.VolumeMou
 	}
 	return vol, mnt
 }
+
+func (r Restic) GetSpecHash() string {
+	hash := fnv.New64a()
+	hashutil.DeepHashObject(hash, r.Spec)
+	return strconv.FormatUint(hash.Sum64(), 10)
+}
diff --git a/glide.lock b/glide.lock
diff --git a/vendor/k8s.io/kubernetes/pkg/util/hash/hash.go b/vendor/k8s.io/kubernetes/pkg/util/hash/hash.go