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103 lines
2.8 KiB
103 lines
2.8 KiB
12 years ago
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%{
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package config
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import "fmt"
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import "github.com/matttproud/prometheus/model"
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%}
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%union {
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num model.SampleValue
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str string
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stringSlice []string
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labelSet model.LabelSet
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}
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%token <str> IDENTIFIER STRING
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%token GLOBAL JOB
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%token RULE_FILES
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%token LABELS TARGETS ENDPOINTS
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%type <stringSlice> string_array string_list rule_files_stat endpoints_stat
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%type <labelSet> labels_stat label_assign label_assign_list
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%start config
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%%
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config : /* empty */
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| config config_stanza
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;
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config_stanza : GLOBAL '{' global_stat_list '}'
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| JOB '{' job_stat_list '}'
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{ PopJob() }
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;
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global_stat_list : /* empty */
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| global_stat_list global_stat
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;
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global_stat : IDENTIFIER '=' STRING
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{ parsedConfig.Global.SetOption($1, $3) }
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| labels_stat
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{ parsedConfig.Global.SetLabels($1) }
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| rule_files_stat
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{ parsedConfig.Global.AddRuleFiles($1) }
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;
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labels_stat : LABELS '{' label_assign_list '}'
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{ $$ = $3 }
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| LABELS '{' '}'
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{ $$ = model.LabelSet{} }
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;
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label_assign_list : label_assign
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{ $$ = $1 }
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| label_assign_list ',' label_assign
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{ for k, v := range $3 { $$[k] = v } }
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;
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label_assign : IDENTIFIER '=' STRING
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{ $$ = model.LabelSet{ model.LabelName($1): model.LabelValue($3) } }
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;
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rule_files_stat : RULE_FILES '=' string_array
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{ $$ = $3 }
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;
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job_stat_list : /* empty */
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| job_stat_list job_stat
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;
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job_stat : IDENTIFIER '=' STRING
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{ PushJobOption($1, $3) }
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| TARGETS '{' targets_stat_list '}'
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{ PushJobTargets() }
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;
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targets_stat_list : /* empty */
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| targets_stat_list targets_stat
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;
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targets_stat : endpoints_stat
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{ PushTargetEndpoints($1) }
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| labels_stat
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{ PushTargetLabels($1) }
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;
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endpoints_stat : ENDPOINTS '=' string_array
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{ $$ = $3 }
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;
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string_array : '[' string_list ']'
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{ $$ = $2 }
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| '[' ']'
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{ $$ = []string{} }
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;
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string_list : STRING
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{ $$ = []string{$1} }
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| string_list ',' STRING
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{ $$ = append($$, $3) }
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;
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%%
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