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Add Support for Azure WAL-G Backups (#1537)

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This commit adds support for using an Azure storage account as a backup
location.

It uses the existing GCS functionality as a reference for what to do,
and follows the example set by GCS as closely as possible.

The decision to name the cloud provider key "aws_or_gcp" is unfortunate
while adding support for Azure, but I have left it alone to allow for
this changeset to be backwards compatible.
This commit is contained in:
Aaron Peschel
2021-08-26 14:59:03 +02:00
committed by GitHub
parent 2d2ce6197b
commit 1dd0cd9691
11 changed files with 89 additions and 0 deletions
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pkg/cluster/k8sres.go
+14
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@@ -798,6 +798,12 @@ func (c *Cluster) generateSpiloPodEnvVars(uid types.UID, spiloConfiguration stri
envVars = append(envVars, v1.EnvVar{Name: "WAL_BUCKET_SCOPE_PREFIX", Value: ""})
}
if c.OpConfig.WALAZStorageAccount != "" {
envVars = append(envVars, v1.EnvVar{Name: "AZURE_STORAGE_ACCOUNT", Value: c.OpConfig.WALAZStorageAccount})
envVars = append(envVars, v1.EnvVar{Name: "WAL_BUCKET_SCOPE_SUFFIX", Value: getBucketScopeSuffix(string(uid))})
envVars = append(envVars, v1.EnvVar{Name: "WAL_BUCKET_SCOPE_PREFIX", Value: ""})
}
if c.OpConfig.GCPCredentials != "" {
envVars = append(envVars, v1.EnvVar{Name: "GOOGLE_APPLICATION_CREDENTIALS", Value: c.OpConfig.GCPCredentials})
}
@@ -1805,6 +1811,14 @@ func (c *Cluster) generateCloneEnvironment(description *acidv1.CloneDescription)
},
}
result = append(result, envs...)
} else if c.OpConfig.WALAZStorageAccount != "" {
envs := []v1.EnvVar{
{
Name: "CLONE_AZURE_STORAGE_ACCOUNT",
Value: c.OpConfig.WALAZStorageAccount,
},
}
result = append(result, envs...)
} else {
c.logger.Error("Cannot figure out S3 or GS bucket. Both are empty.")
}