feat: add code lint

.gitignore

@@ -34,7 +34,6 @@ deployments/charts/generated-configs/
 ### OpenIM Config ###
 .env
 config/config.yaml
-config/openim.yaml
 config/alertmanager.yml
 config/prometheus.yml
 config/email.tmpl

.golangci.yml

@@ -39,19 +39,19 @@ run:
   # from this option's value (see skip-dirs-use-default).
   # "/" will be replaced by current OS file path separator to properly work
   # on Windows.
-  skip-dirs:
-    - components
-    - docs
-    - util
-    - .*~
-    - api/swagger/docs
-    - server/docs
-    - components/mnt/config/certs
-    - logs
+  # skip-dirs:
+  #   - components
+  #   - docs
+  #   - util
+  #   - .*~
+  #   - api/swagger/docs
+  #   - server/docs
+  #   - components/mnt/config/certs
+  #   - logs
 
   # default is true. Enables skipping of directories:
   #   vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
-  skip-dirs-use-default: true
+  # skip-dirs-use-default: true
 
   # which files to skip: they will be analyzed, but issues from them
   # won't be reported. Default value is empty list, but there is
@@ -59,15 +59,15 @@ run:
   # autogenerated files. If it's not please let us know.
   # "/" will be replaced by current OS file path separator to properly work
   # on Windows.
-  skip-files:
-    - ".*\\.my\\.go$"
-    - _test.go
-    - ".*_test.go"
-    - "mocks/"
-    - ".github/"
-    - "logs/"
-    - "_output/"
-    - "components/"
+  # skip-files:
+  #   - ".*\\.my\\.go$"
+  #   - _test.go
+  #   - ".*_test.go"
+  #   - "mocks/"
+  #   - ".github/"
+  #   - "logs/"
+  #   - "_output/"
+  #   - "components/"
 
   # by default isn't set. If set we pass it to "go list -mod={option}". From "go help modules":
   # If invoked with -mod=readonly, the go command is disallowed from the implicit
@@ -87,7 +87,7 @@ run:
 # output configuration options
 output:
   # colored-line-number|line-number|json|tab|checkstyle|code-climate, default is "colored-line-number"
-  format: colored-line-number
+  # format: colored-line-number
 
   # print lines of code with issue, default is true
   print-issued-lines: true
@@ -150,6 +150,11 @@ linters-settings:
     comparison: true
 
   exhaustive:
+    # Program elements to check for exhaustiveness.
+    # Default: [ switch ]
+    check:
+      - switch
+      - map
     # check switch statements in generated files also
     check-generated: false
     # indicates that switch statements are to be considered exhaustive if a
@@ -772,6 +777,7 @@ linters:
     - dupword
     - errname
     - gci
+    - exhaustive
     - gocritic
     - goprintffuncname
     - gomnd