CCCHH/spaceapid
CCCHH/spaceapid
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Rename constant for persistent state file and fix it at compile-time

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This commit is contained in:
Bendodroid 2024-01-31 17:08:39 +01:00
parent 4840021b08
commit c7c6086d11
Signed by: bendodroid
GPG key ID: 3EEE19A0F73D5FFC
3 changed files with 26 additions and 14 deletions
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7
util/persistentStateDir.go Normal file
View file

@ -0,0 +1,7 @@
//go:build !linux
package util
const (
persistentStateDir = "./"
)

5
util/persistentStateDir_linux.go Normal file
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@ -0,0 +1,5 @@
package util
const (
persistentStateDir = "/var/lib/spaceapid/"
)

28
util/util.go
View file

@ -5,13 +5,13 @@ import (
"errors" "errors"
"log" "log"
"os" "os"
"path"
"git.hamburg.ccc.de/ccchh/spaceapid/types" "git.hamburg.ccc.de/ccchh/spaceapid/types"
) )
const ( const (
savedStateJSONPath = "/var/lib/spaceapid/spaceapid-state.json" persistentStateFile = "spaceapid-state.json"
persistentStatePath = persistentStateDir + persistentStateFile
) )
// MergeOldState merges a given SpaceAPIResponse with the state saved at the time of last program exit and then deletes // MergeOldState merges a given SpaceAPIResponse with the state saved at the time of last program exit and then deletes
@ -23,12 +23,12 @@ func MergeOldState(response *types.SpaceAPIResponseV14) {
persistedState types.PersistentStateV14 persistedState types.PersistentStateV14
) )
log.Println("Merging old state from", savedStateJSONPath, "...") log.Println("Merging old state from", persistentStatePath, "...")
// Check if state.json is present // Check if state.json is present
_, err = os.Stat(savedStateJSONPath) _, err = os.Stat(persistentStatePath)
if err != nil { if err != nil {
log.Println("Old state json not accessible at", savedStateJSONPath, ", skipping merge... error:", err) log.Println("Old state json not accessible at", persistentStatePath, ", skipping merge... error:", err)
if errors.Is(err, os.ErrNotExist) { if errors.Is(err, os.ErrNotExist) {
return return
} }
@ -36,14 +36,14 @@ func MergeOldState(response *types.SpaceAPIResponseV14) {
} }
// Read file and load persisted state // Read file and load persisted state
oldState, err = os.ReadFile(savedStateJSONPath) oldState, err = os.ReadFile(persistentStatePath)
if err != nil { if err != nil {
log.Println("Error reading old state from", savedStateJSONPath, ", skipping merge... error:", err) log.Println("Error reading old state from", persistentStatePath, ", skipping merge... error:", err)
goto removeOld goto removeOld
} }
err = json.Unmarshal(oldState, &persistedState) err = json.Unmarshal(oldState, &persistedState)
if err != nil { if err != nil {
log.Println(savedStateJSONPath, "doesn't seem to contain valid data... error:", err) log.Println(persistentStatePath, "doesn't seem to contain valid data... error:", err)
goto removeOld goto removeOld
} }
@ -66,23 +66,23 @@ func MergeOldState(response *types.SpaceAPIResponseV14) {
// Delete old state json // Delete old state json
removeOld: removeOld:
err = os.RemoveAll(savedStateJSONPath) err = os.RemoveAll(persistentStatePath)
if err != nil { if err != nil {
log.Println("Failed to remove", savedStateJSONPath, ", continuing... error:", err) log.Println("Failed to remove", persistentStatePath, ", continuing... error:", err)
} }
} }
func SaveCurrentState(response types.SpaceAPIResponseV14) { func SaveCurrentState(response types.SpaceAPIResponseV14) {
// Create state directory if not present // Create state directory if not present
err := os.MkdirAll(path.Dir(savedStateJSONPath), 0750) err := os.MkdirAll(persistentStateDir, 0750)
if err != nil { if err != nil {
log.Fatalln("Failed creating", savedStateJSONPath, ", aborting... error:", err) log.Fatalln("Failed creating", persistentStateDir, ", aborting... error:", err)
} }
// Open persistent state file // Open persistent state file
file, err := os.OpenFile(savedStateJSONPath, os.O_WRONLY|os.O_CREATE, 0644) file, err := os.OpenFile(persistentStatePath, os.O_WRONLY|os.O_CREATE, 0644)
if err != nil { if err != nil {
log.Fatalln("Failed opening", savedStateJSONPath, "while trying to save current state... error:", err) log.Fatalln("Failed opening", persistentStatePath, "while trying to save current state... error:", err)
} }
defer file.Close() defer file.Close()