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Add a "profile" option to S3BinaryCacheStore

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This allows specifying the AWS configuration profile to use. E.g.

  nix copy --from s3://my-cache?profile=aws-dev-account /nix/store/cf3isrlqavvd5w7rpky1fa8j9lcnlggm-...
This commit is contained in:
Eelco Dolstra 2017-11-15 14:16:04 +01:00
parent 897ca33a1c
commit 8956ae1987
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GPG key ID: 8170B4726D7198DE
3 changed files with 14 additions and 5 deletions
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15
src/libstore/s3-binary-cache-store.cc
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@ -10,6 +10,8 @@
#include "istringstream_nocopy.hh"
#include <aws/core/Aws.h>
#include <aws/core/auth/AWSCredentialsProvider.h>
#include <aws/core/auth/AWSCredentialsProviderChain.h>
#include <aws/core/client/ClientConfiguration.h>
#include <aws/core/client/DefaultRetryStrategy.h>
#include <aws/core/utils/logging/FormattedLogSystem.h>
@ -77,9 +79,15 @@ static void initAWS()
});
}
S3Helper::S3Helper(const string & region)
S3Helper::S3Helper(const std::string & profile, const std::string & region)
: config(makeConfig(region))
, client(make_ref<Aws::S3::S3Client>(*config, true, false))
, client(make_ref<Aws::S3::S3Client>(
profile == ""
? std::dynamic_pointer_cast<Aws::Auth::AWSCredentialsProvider>(
std::make_shared<Aws::Auth::DefaultAWSCredentialsProviderChain>())
: std::dynamic_pointer_cast<Aws::Auth::AWSCredentialsProvider>(
std::make_shared<Aws::Auth::ProfileConfigFileAWSCredentialsProvider>(profile.c_str())),
*config, true, false))
{
}
@ -148,6 +156,7 @@ S3Helper::DownloadResult S3Helper::getObject(
struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
{
const Setting<std::string> profile{this, "", "profile", "The name of the AWS configuration profile to use."};
const Setting<std::string> region{this, Aws::Region::US_EAST_1, "region", {"aws-region"}};
const Setting<std::string> narinfoCompression{this, "", "narinfo-compression", "compression method for .narinfo files"};
const Setting<std::string> lsCompression{this, "", "ls-compression", "compression method for .ls files"};
@ -163,7 +172,7 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
const Params & params, const std::string & bucketName)
: S3BinaryCacheStore(params)
, bucketName(bucketName)
, s3Helper(region)
, s3Helper(profile, region)
{
diskCache = getNarInfoDiskCache();
}