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Merge pull request #3767 from patrickdillon/azure-session
pkg/asset/installconfig/azure: create reusable session
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package azure | ||
|
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| import ( | ||
| "sync" | ||
|
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| "github.com/pkg/errors" | ||
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| typesazure "github.com/openshift/installer/pkg/types/azure" | ||
| ) | ||
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| // Metadata holds additional metadata for InstallConfig resources that | ||
| // does not need to be user-supplied (e.g. because it can be retrieved | ||
| // from external APIs). | ||
| type Metadata struct { | ||
| session *Session | ||
| client *Client | ||
| dnsCfg *DNSConfig | ||
|
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| // CloudName indicates the Azure cloud environment (e.g. public, gov't). | ||
| CloudName typesazure.CloudEnvironment `json:"cloudName,omitempty"` | ||
|
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| mutex sync.Mutex | ||
| } | ||
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| // NewMetadata initializes a new Metadata object. | ||
| func NewMetadata(cloudName typesazure.CloudEnvironment) *Metadata { | ||
| return &Metadata{CloudName: cloudName} | ||
| } | ||
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| // Session holds an Azure session which can be used for Azure API calls | ||
| // during asset generation. | ||
| func (m *Metadata) Session() (*Session, error) { | ||
| m.mutex.Lock() | ||
| defer m.mutex.Unlock() | ||
|
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| return m.unlockedSession() | ||
| } | ||
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| func (m *Metadata) unlockedSession() (*Session, error) { | ||
| if m.session == nil { | ||
| var err error | ||
| m.session, err = GetSession(m.CloudName) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "creating Azure session") | ||
| } | ||
| } | ||
|
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| return m.session, nil | ||
| } | ||
|
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| // Client holds an Azure Client that implements calls to the Azure API. | ||
| func (m *Metadata) Client() (*Client, error) { | ||
| if m.client == nil { | ||
| ssn, err := m.Session() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| m.client = NewClient(ssn) | ||
| } | ||
| return m.client, nil | ||
| } | ||
|
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| // DNSConfig holds an Azure DNSConfig Client that implements calls to the Azure API. | ||
| func (m *Metadata) DNSConfig() (*DNSConfig, error) { | ||
| if m.dnsCfg == nil { | ||
| ssn, err := m.Session() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| m.dnsCfg = NewDNSConfig(ssn) | ||
| } | ||
| return m.dnsCfg, nil | ||
| } |
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