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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| package config | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "path" | ||
| ) | ||
|
|
||
| //Cache .. | ||
| type ClusterStatus int | ||
|
|
||
| const ( | ||
| ClusterAvailable ClusterStatus = 1 | ||
| ClusterNotAvailable ClusterStatus = 2 | ||
| ClusterNotTested ClusterStatus = 0 | ||
| ) | ||
|
|
||
| type KubeContext struct { | ||
| Name string | ||
| Namespace string | ||
| Status ClusterStatus | ||
| AuthProvider string | ||
| LastUpdated string | ||
| CurrentContext bool | ||
| } | ||
| type Cache interface { | ||
| Create() error | ||
| //Empty() error | ||
| //Delete() error | ||
| AddEntry(entry string, c *KubeContext) | ||
| GetEntry(entry string) (*KubeContext, error) | ||
| Reset() bool | ||
| } | ||
|
|
||
| const LocalCacheFileName = ".status-test-cache" | ||
|
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| var LocalCacheFile string | ||
|
|
||
| const LocalCacheSize = 100 | ||
|
|
||
| type LocalCache struct { | ||
| cachePath string | ||
| cache map[string]*KubeContext | ||
| } | ||
|
|
||
| func init() { | ||
| homedir, err := os.UserHomeDir() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| LocalCacheFile = path.Join(homedir, ".kubecli", LocalCacheFileName) | ||
| } | ||
|
|
||
| //NewLocalCache ... | ||
| func NewLocalCache(cacheOpt ...string) (*LocalCache, error) { | ||
| var cachePath string | ||
| if len(cacheOpt) == 0 || cacheOpt[0] == string("") { | ||
| cachePath = LocalCacheFile | ||
| } else { | ||
| cachePath = cacheOpt[0] | ||
| } | ||
|
|
||
| c := &LocalCache{cachePath: cachePath} | ||
| _, err := c.loadCache() | ||
| if err != nil { | ||
| return c, err | ||
| } | ||
| //c.cache = cache | ||
| return c, nil | ||
| } | ||
|
|
||
| //Create .. | ||
| func (c *LocalCache) Create() error { | ||
| _, err := os.Stat(c.cachePath) | ||
| fmt.Printf("cachefile %v err %v", c.cachePath, err) | ||
|
|
||
| if err == nil || !os.IsNotExist(err) { | ||
| return err | ||
| } | ||
|
|
||
| fmt.Printf("\ncreating cache file %v\n\n", LocalCacheFile) | ||
| _, err = os.Create(LocalCacheFile) | ||
|
|
||
| return err | ||
| } | ||
| func (c *LocalCache) loadCache() (map[string]*KubeContext, error) { | ||
| err := c.Create() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| cache := make(map[string]*KubeContext, LocalCacheSize) | ||
| bytes, err := ioutil.ReadFile(LocalCacheFile) | ||
| json.Unmarshal(bytes, &cache) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| c.cache = cache | ||
| return cache, nil | ||
| } | ||
|
|
||
| func (c *LocalCache) Flash() (*LocalCache, error) { | ||
| fmt.Printf("flashing cache\n") | ||
| bytes, err := json.Marshal(c.cache) | ||
|
|
||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| err = ioutil.WriteFile(c.cachePath, bytes, 0644) | ||
|
|
||
| return c, err | ||
| } | ||
| func (c *LocalCache) AddEntry(entry string, ctx *KubeContext) *LocalCache { | ||
|
|
||
| c.cache[entry] = ctx | ||
|
|
||
| return c | ||
| } | ||
|
|
||
| func (c *LocalCache) GetEntry(entry string) (*KubeContext, error) { | ||
| cacheObj, err := c.loadCache() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| kubeContext, ok := cacheObj[entry] | ||
| if !ok { | ||
| err = errors.New("missing key") | ||
| } | ||
|
|
||
| return kubeContext, err | ||
| } | ||
|
|
||
| //Reset ... | ||
| func (c *LocalCache) Reset() bool { | ||
| c.cache = make(map[string]*KubeContext, LocalCacheSize) | ||
| _, err := c.Flash() | ||
|
|
||
| return err != nil | ||
| } |
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