83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
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package azurerm
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import (
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"fmt"
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"net/url"
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"strings"
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)
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// ResourceID represents a parsed long-form Azure Resource Manager ID
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// with the Subscription ID, Resource Group and the Provider as top-
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// level fields, and other key-value pairs available via a map in the
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// Path field.
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type ResourceID struct {
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SubscriptionID string
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ResourceGroup string
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Provider string
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Path map[string]string
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}
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// parseAzureResourceID converts a long-form Azure Resource Manager ID
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// into a ResourceID. We make assumptions about the structure of URLs,
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// which is obviously not good, but the best thing available given the
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// SDK.
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func parseAzureResourceID(id string) (*ResourceID, error) {
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idURL, err := url.ParseRequestURI(id)
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if err != nil {
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return nil, fmt.Errorf("Cannot parse Azure Id: %s", err)
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}
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path := idURL.Path
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path = strings.TrimSpace(path)
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if strings.HasPrefix(path, "/") {
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path = path[1:]
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}
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if strings.HasSuffix(path, "/") {
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path = path[:len(path)-1]
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}
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components := strings.Split(path, "/")
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// We should have an even number of key-value pairs.
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if len(components)%2 != 0 {
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return nil, fmt.Errorf("The number of path segments is not divisible by 2 in %q", path)
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}
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// Put the constituent key-value pairs into a map
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componentMap := make(map[string]string, len(components)/2)
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for current := 0; current < len(components); current += 2 {
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key := components[current]
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value := components[current+1]
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componentMap[key] = value
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}
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// Build up a ResourceID from the map
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idObj := &ResourceID{}
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idObj.Path = componentMap
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if subscription, ok := componentMap["subscriptions"]; ok {
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idObj.SubscriptionID = subscription
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delete(componentMap, "subscriptions")
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} else {
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return nil, fmt.Errorf("No subscription ID found in: %q", path)
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}
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if resourceGroup, ok := componentMap["resourceGroups"]; ok {
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idObj.ResourceGroup = resourceGroup
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delete(componentMap, "resourceGroups")
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} else {
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return nil, fmt.Errorf("No resource group name found in: %q", path)
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}
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// It is OK not to have a provider in the case of a resource group
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if provider, ok := componentMap["providers"]; ok {
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idObj.Provider = provider
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delete(componentMap, "providers")
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}
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return idObj, nil
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}
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