62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
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package openstack
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import (
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"fmt"
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"os"
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"github.com/rackspace/gophercloud"
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)
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var nilOptions = gophercloud.AuthOptions{}
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// ErrNoAuthUrl, ErrNoUsername, and ErrNoPassword errors indicate of the required OS_AUTH_URL, OS_USERNAME, or OS_PASSWORD
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// environment variables, respectively, remain undefined. See the AuthOptions() function for more details.
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var (
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ErrNoAuthURL = fmt.Errorf("Environment variable OS_AUTH_URL needs to be set.")
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ErrNoUsername = fmt.Errorf("Environment variable OS_USERNAME, OS_USERID, or OS_TOKEN needs to be set.")
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ErrNoPassword = fmt.Errorf("Environment variable OS_PASSWORD or OS_TOKEN needs to be set.")
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)
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// AuthOptionsFromEnv fills out an AuthOptions structure from the environment
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// variables: OS_AUTH_URL, OS_USERNAME, OS_USERID, OS_PASSWORD, OS_TENANT_ID,
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// OS_TENANT_NAME, OS_DOMAIN_ID, OS_DOMAIN_NAME, OS_TOKEN. It checks that
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// (1) OS_AUTH_URL is set, (2) OS_USERNAME, OS_USERID, or OS_TOKEN is set,
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// (3) OS_PASSWORD or OS_TOKEN is set.
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func AuthOptionsFromEnv() (gophercloud.AuthOptions, error) {
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authURL := os.Getenv("OS_AUTH_URL")
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username := os.Getenv("OS_USERNAME")
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userID := os.Getenv("OS_USERID")
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password := os.Getenv("OS_PASSWORD")
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tenantID := os.Getenv("OS_TENANT_ID")
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tenantName := os.Getenv("OS_TENANT_NAME")
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domainID := os.Getenv("OS_DOMAIN_ID")
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domainName := os.Getenv("OS_DOMAIN_NAME")
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tokenID := os.Getenv("OS_TOKEN")
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if authURL == "" {
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return nilOptions, ErrNoAuthURL
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}
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if username == "" && userID == "" && tokenID == "" {
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return nilOptions, ErrNoUsername
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}
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if password == "" && tokenID == "" {
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return nilOptions, ErrNoPassword
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}
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ao := gophercloud.AuthOptions{
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IdentityEndpoint: authURL,
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UserID: userID,
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Username: username,
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Password: password,
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TenantID: tenantID,
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TenantName: tenantName,
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DomainID: domainID,
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DomainName: domainName,
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TokenID: tokenID,
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}
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return ao, nil
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}
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