Megatest

	*
	
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18
	srfi-1 files format srfi-13 matchable 
	srfi-69 ports
	regex-case regex hostinfo srfi-4
	pkts (prefix dbi dbi:)
	stack)

(import configfmod)
(import processmod)
(import stml2)

(include "common_records.scm")
(include "megatest-fossil-hash.scm")

       (let* ((test-conf    (mt:lazy-read-test-config test-name)))
	 (if test-conf (runs:update-test_meta test-name test-conf))))
     (hash-table-keys test-names))))

;; This could probably be refactored into one complex query ...
;; NOT PORTED - DO NOT USE YET
;;
#;(define (runs:rollup-run keys runname user keyvals)
  (debug:print 4 *default-log-port* "runs:rollup-run, keys: " keys " -runname " runname " user: " user)
  (let* ((db              #f)
	 ;; register run operates on the main db
	 (new-run-id      (rmt:register-run keyvals runname "new" "n/a" user (args:get-arg "-contour")))
	 (prev-tests      (rmt:get-matching-previous-test-run-records new-run-id "%" "%"))
	 (curr-tests      (mt:get-tests-for-run new-run-id "%/%" '() '()))
	 (curr-tests-hash (make-hash-table)))

;; (subrun:exec-sub-megatest "/nfs/pdx/disks/icf_env_disk001/bjbarcla/gwa/issues/mtdev/165/megatest/ext-tests/tests/subrun-usecases/toparea/links/SYSTEM_val/RELEASE_val/go/toptest" "-foo" "foo")

;;======================================================================
;; synchash
;;======================================================================

#;(define (synchash:make)
   (make-hash-table))

;; given an alist of objects '((id obj) ...) 
;;   1. remove unchanged objects from the list
;;   2. create a list of removed objects by id
;;   3. remove removed objects from synchash
;;   4. replace or add new or changed objects to synchash
;;
#;(define (synchash:get-delta indat synchash)
  (let ((deleted '())
	(changed '())
	(found   '())
	(orig-keys (hash-table-keys synchash)))
    (for-each
     (lambda (item)
       (let* ((id  (car  item))

     orig-keys)
    (list changed deleted)
    ;; (list indat '()) ;; just for debugging
    ))
    
;; keynum => the field to use as the unique key (usually 0 but can be other field)
;;
#;(define (synchash:client-get proc synckey keynum synchash run-id . params)
  (let* ((data   (rmt:synchash-get run-id proc synckey keynum params))
	 (newdat (car data))
	 (removs (cadr data))
	 (myhash (hash-table-ref/default synchash synckey #f)))
    (if (not myhash)
	(begin
	  (set! myhash (make-hash-table))

     (lambda (id)
       (hash-table-delete! myhash id))
     removs)
    ;; WHICH ONE!?
    ;; data)) ;; return the changed and deleted list
    (list newdat removs))) ;; synchash))

#;(define *synchashes* (make-hash-table))

#;(define (synchash:server-get dbstruct run-id proc synckey keynum params)
  ;; (debug:print-info 2 *default-log-port* "synckey: " synckey ", keynum: " keynum ", params: " params)
  (let* ((dbdat     (db:get-db dbstruct run-id))
	 (db        (db:dbdat-get-db dbdat))
	 (synchash  (hash-table-ref/default *synchashes* synckey #f))
	 (newdat    (apply (case proc
			     ((db:get-runs)                   db:get-runs)
			     ((db:get-tests-for-run-mindata)  db:get-tests-for-run-mindata)

	  ;;                 0    1       2      3      4        5       6      7        8     9     10      11          12          13       14
	  (set! res (cons (apply vector a b) res)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id in ("
	      (string-intersperse (map conc test-ids) ",") ");"))
       res))))

;; (db:with-db alldat run-id sqlite3:exec "select blah fgrom blaz;")
;; r/w is a flag to indicate if the db is modified by this query #t = yes, #f = no
;;
(define (db:with-db alldat run-id r/w proc . params)
  (let* ((have-struct      (alldat? alldat))
         (dbdat            (if have-struct 
		           	  (db:get-db alldat)
		           	  #f))
	 (db               (if have-struct
		           	  (db:dbdat-get-db dbdat)
		           	  alldat))
	 (use-mutex        (> (alldat-api-process-request-count alldat) 25))
	 (db-with-db-mutex (alldat-db-with-db-mutex alldat))
	 (log-port         (alldat-log-port alldat)))
    (if (and use-mutex
	     (common:low-noise-print 120 "over-50-parallel-api-requests"))
	(debug:print-info 0 log-port (alldat-api-process-request-count alldat) " parallel api requests being processed in process " (current-process-id) ", throttling access"))
    (if (common:low-noise-print 600 (conc "parallel-api-requests" (alldat-max-api-process-requests alldat)))
	(debug:print-info 2 log-port "Parallel api request count: " (alldat-api-process-request-count alldat) " max parallel requests: " (alldat-max-api-process-requests alldat)))
    (handle-exceptions
     exn
     (begin
       (print-call-chain (current-error-port))
       (debug:print-error 0 log-port "sqlite3 issue in db:with-db, alldat=" alldat ", run-id=" run-id ", proc=" proc ", params=" params " error: " ((condition-property-accessor 'exn 'message) exn))
       ;; there is no recovering at this time. exit
       (exit 50))
     (if use-mutex (mutex-lock! db-with-db-mutex))
     (let ((res (apply proc db params)))
       (if use-mutex (mutex-unlock! db-with-db-mutex))
       (if dbdat (stack-push! (alldat-dbstack alldat) dbdat))
       res))))


(define db:test-record-qry-selector (string-intersperse db:test-record-fields ","))

;; get a useful subset of the tests data (used in dashboard
;; use db:mintest-get-{id ,run_id,testname ...}
;;
(define (db:get-tests-for-run-mindata dbstruct run-id testpatt states statuses not-in)
  (db:get-tests-for-run dbstruct run-id testpatt states statuses #f #f not-in #f #f "id,run_id,testname,state,status,event_time,item_path" 0 #f))

;; states and statuses are lists, turn them into ("PASS","FAIL"...) and use NOT IN
;; i.e. these lists define what to NOT show.
;; states and statuses are required to be lists, empty is ok
;; not-in #t = above behaviour, #f = must match
;; mode:
;;  'dashboard - use state = 'COMPLETED' AND status in ( statuses ) OR state in ( states )
;;
(define (db:get-tests-for-run dbstruct run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)
  (let* ((qryvalstr       (case qryvals
			    ((shortlist) "id,run_id,testname,item_path,state,status")
			    ((#f)        db:test-record-qry-selector) ;; "id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment")
			    (else        qryvals)))
	 (res            '())
	 ;; if states or statuses are null then assume match all when not-in is false
	 (states-qry      (if (null? states) 
			      #f
			      (conc " state "  
				    (if (eq? mode 'dashboard)
					" IN ('"
					(if not-in
					    " NOT IN ('"
					    " IN ('")) 
				    (string-intersperse states   "','")
				    "')")))
	 (statuses-qry    (if (null? statuses)
			      #f
			      (conc " status "
				    (if (eq? mode 'dashboard)
					" IN ('"
					(if not-in 
					    " NOT IN ('"
					    " IN ('") )
				    (string-intersperse statuses "','")
				    "')")))
	 (interim-qry       (conc " AND " (if not-in "NOT " "") "( state='COMPLETED' " (if statuses-qry (conc " AND " statuses-qry " ) ") " ) ")
				  (if states-qry
				      (conc (if not-in " AND " " OR ") states-qry ) ;; " ) ")
				      "")))
	 (states-statuses-qry 
	  (cond 
	   ((and states-qry statuses-qry)
	    (case mode
	      ((dashboard) 
	       (if not-in
		   (conc " AND (state='COMPLETED' AND status NOT IN ('" (string-intersperse statuses "','") "')) "
			 " OR (state != 'COMPLETED' AND state NOT IN ('" (string-intersperse states "','") "')) ")
		   (conc " AND (state='COMPLETED' AND status IN ('" (string-intersperse statuses "','") "')) "
			 " OR (state NOT IN ('COMPLETED','DELETED') AND state IN ('" (string-intersperse states "','") "')) ")))
	      (else       (conc " AND ( " states-qry " AND " statuses-qry " ) "))))
	   (states-qry  
	    (case mode
	      ((dashboard) (conc " AND " (if not-in "NOT " "") " state IN ('" (string-intersperse states    "','") "') ")) ;; interim-qry)
	      (else        (conc " AND " states-qry))))
	   (statuses-qry 
	    (case mode
	      ((dashboard) (conc " AND " (if not-in "NOT " "") " status IN ('" (string-intersperse statuses "','") "') ")) ;; interim-qry)
	      (else        (conc " AND " statuses-qry))))
	   (else "")))
	 (tests-match-qry (tests:match->sqlqry testpatt))
	 (qry             (conc "SELECT " qryvalstr
				(if run-id
				    " FROM tests WHERE run_id=? "
				    " FROM tests WHERE ? > 0 ") ;; should work?
				(if last-update " " " AND state != 'DELETED' ") ;; if using last-update we want deleted tests?
				states-statuses-qry
				(if tests-match-qry (conc " AND (" tests-match-qry ") ") "")
				(if last-update (conc " AND last_update >= " last-update " ") "")
				(case sort-by
				  ((rundir)      " ORDER BY length(rundir) ")
				  ((testname)    (conc " ORDER BY testname " (if sort-order (conc sort-order ",") "") " item_path "))
				  ((statestatus) (conc " ORDER BY state " (if  sort-order (conc sort-order ",") "") " status "))
				  ((event_time)  " ORDER BY event_time ")
				  (else          (if (string? sort-by)
						     (conc " ORDER BY " sort-by " ")
						     " ")))
				(if sort-order sort-order " ")
				(if limit  (conc " LIMIT " limit)   " ")
				(if offset (conc " OFFSET " offset) " ")
				";"
				)))
    (debug:print-info 8 *default-log-port* "db:get-tests-for-run run-id=" run-id ", qry=" qry)
    (db:with-db dbstruct run-id #f
		(lambda (db)
		  (sqlite3:for-each-row 
		   (lambda (a . b) ;; id run-id testname state status event-time host cpuload diskfree uname rundir item-path run-duration final-logf comment)
		     (set! res (cons (apply vector a b) res))) ;; id run-id testname state status event-time host cpuload diskfree uname rundir item-path run-duration final-logf comment) res)))
		   db
		   qry
		   (or run-id 1) ;; 1 > 0 , for the case where we are seeking tests matching criteral for all runs
		   )))
    (case qryvals
      ((shortlist)(map db:test-short-record->norm res))
      ((#f)       res)
      (else       res))))

(define db:test-record-fields '("id"           "run_id"        "testname"  "state"      "status"      "event_time"
				"host"         "cpuload"       "diskfree"  "uname"      "rundir"      "item_path"
                                "run_duration" "final_logf"    "comment"   "shortdir"   "attemptnum"  "archived" "last_update"))

(define (db:test-short-record->norm inrec)
  ;;  "id,run_id,testname,item_path,state,status"
  ;;  "id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
  (vector (vector-ref inrec 0) ;; id
	  (vector-ref inrec 1) ;; run_id
	  (vector-ref inrec 2) ;; testname
	  (vector-ref inrec 4) ;; state
	  (vector-ref inrec 5) ;; status
	  -1 "" -1 -1 "" "-" 
	  (vector-ref inrec 3) ;; item-path
	  -1 "-" "-"))

;; if itempath is #f then look only at the testname part
;;
(define (tests:match->sqlqry patterns)
  (if (string? patterns)
      (let ((patts (string-split patterns ",")))
	(if (null? patts) ;;; no pattern(s) means no match, we will do no query
	    #f
	    (let loop ((patt (car patts))
		       (tal  (cdr patts))
		       (res  '()))
	      ;; (print "loop: patt: " patt ", tal " tal)
	      (let* ((patt-parts (string-match (regexp "^([^\\/]*)(\\/(.*)|)$") patt))
		     (test-patt  (cadr patt-parts))
		     (item-patt  (cadddr patt-parts))
		     (test-qry   (db:patt->like "testname" test-patt))
		     (item-qry   (db:patt->like "item_path" item-patt))
		     (qry        (conc "(" test-qry " AND " item-qry ")")))
		;; (print "tests:match => patt-parts: " patt-parts ", test-patt: " test-patt ", item-patt: " item-patt)
		(if (null? tal)
		    (string-intersperse (append (reverse res)(list qry)) " OR ")
		    (loop (car tal)(cdr tal)(cons qry res)))))))
      #f))

;; make a query (fieldname like 'patt1' OR fieldname 
(define (db:patt->like fieldname pattstr #!key (comparator " OR "))
  (let ((patts (if (string? pattstr)
		   (string-split pattstr ",")
		   '("%"))))
    (string-intersperse (map (lambda (patt)
			       (let ((wildtype (if (substring-index "%" patt) "LIKE" "GLOB")))
				 (conc fieldname " " wildtype " '" patt "'")))
			     (if (null? patts)
				 '("")
				 patts))
			comparator)))

;; replace header and keystr with a call to runs:get-std-run-fields
;;
;; keypatts: ( (KEY1 "abc%def")(KEY2 "%") )
;; runpatts: patt1,patt2 ...
;;
(define (db:get-runs dbstruct runpatt count offset keypatts)
  (let* ((res       '())
	 (keys       (db:get-keys dbstruct))
	 (runpattstr (db:patt->like "runname" runpatt))
	 (remfields  (list "id" "runname" "state" "status" "owner" "event_time"))
	 (header     (append keys remfields))
	 (keystr     (conc (keys->keystr keys) ","
			   (string-intersperse remfields ",")))
	 (qrystr     (conc "SELECT " keystr " FROM runs WHERE (" runpattstr ") " ;; runname LIKE ? "
			   ;; Generate: " AND x LIKE 'keypatt' ..."
			   (if (null? keypatts) ""
			       (conc " AND "
				     (string-join 
				      (map (lambda (keypatt)
					     (let ((key  (car keypatt))
						   (patt (cadr keypatt)))
					       (db:patt->like key patt)))
					   keypatts)
				      " AND ")))
			   " AND state != 'deleted' ORDER BY event_time DESC "
			   (if (number? count)
			       (conc " LIMIT " count)
			       "")
			   (if (number? offset)
			       (conc " OFFSET " offset)
			       ""))))
    (debug:print-info 11 *default-log-port* "db:get-runs START qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
    (db:with-db dbstruct #f #f
		(lambda (db)		
		  (sqlite3:for-each-row
		   (lambda (a . x)
		     (set! res (cons (apply vector a x) res)))
		   db
		   qrystr
		   )))
    (debug:print-info 11 *default-log-port* "db:get-runs END qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
    (vector header res)))

(define (db:dbdat-get-path dbdat)
  (if (pair? dbdat)
      (cdr dbdat)
      #f))

(define (keys->keystr keys) ;; => key1,key2,key3,additiona1, ...
  (string-intersperse keys ","))

;; ;; legacy handling of structure for managing db's. Refactor this into dbr:?
(define (db:dbdat-get-db dbdat)
  (if (pair? dbdat)
      (car dbdat)
      dbdat))

;; Get/open a database
;;    if run-id => get run specific db
;;    if #f     => get main db
;;    if db already open - return inmem
;;    if db not open, open inmem, rundb and sync then return inmem
;;    inuse gets set automatically for rundb's
;;
(define (db:get-db alldat) ;;  run-id) 
  (if (stack? (alldat-dbstack alldat))
      (if (stack-empty? (alldat-dbstack alldat))
          (let ((newdb (db:open-megatest-db path: (common:get-db-tmp-area alldat))))
            ;; (stack-push! (alldat-dbstack alldat) newdb)
            newdb)
          (stack-pop! (alldat-dbstack alldat)))
      (db:open-db alldat)))

;; This routine creates the db if not already present. It is only called if the db is not already opened
;;
(define (db:open-db alldat #!key (areapath #f)(do-sync #t)) ;; TODO: actually use areapath
  (let ((toppath     (alldat-areapath alldat))
	(configdat   (alldat-mtconfig alldat))
	(log-port    (alldat-log-port alldat))
	(tmpdb-stack (alldat-dbstack  alldat))) ;; RA => Returns the first reference in alldat
    (if (stack? tmpdb-stack)
	(db:get-db tmpdb-stack) ;; get previously opened db (will create new db handle if all in the stack are already used
        (let* ((max-stale-tmp (configf:lookup-number configdat "server" "filling-db-max-stale-seconds" default: 10))
               (dbpath       (common:get-db-tmp-area alldat))      ;; path to tmp db area
               (dbexists     (file-exists? dbpath))
	       (tmpdbfname   (conc dbpath "/megatest.db"))
	       (dbfexists    (file-exists? tmpdbfname))  ;; (conc dbpath "/megatest.db")))
               (mtdbexists   (file-exists? (conc toppath "/megatest.db")))
							 
               (mtdbmodtime  (if mtdbexists (common:lazy-sqlite-db-modification-time (conc toppath "/megatest.db"))   #f))
	        		 (tmpdbmodtime (if dbfexists  (common:lazy-sqlite-db-modification-time tmpdbfname) #f)) 
               (mtdb         (db:open-megatest-db))
               (mtdbpath     (db:dbdat-get-path mtdb))
               (tmpdb        (db:open-megatest-db path: dbpath)) ;; lock-create-open dbpath db:initialize-main-db))
               (refndb       (db:open-megatest-db path: dbpath name: "megatest_ref.db"))
               (write-access (file-write-access? mtdbpath))
	       
	       ;;(mtdbmodtime (if mtdbexists
	       ;;(common:lazy-sqlite-db-modification-time mtdbpath)
	       ;;#f)) ; moving this before db:open-megatest-db is
	       ;;called. if wal mode is on -WAL and -shm file get
	       ;;created with causing the tmpdbmodtime timestamp
	       ;;always greater than mtdbmodtime (tmpdbmodtime (if
	       ;;dbfexists (common:lazy-sqlite-db-modification-time
	       ;;tmpdbfname) #f))

	       ;;if wal mode is on -WAL and -shm file get created when
	       ;;db:open-megatest-db is called. modtimedelta will
	       ;;always be < 10 so db in tmp not get synced
	       ;;(tmpdbmodtime (if dbfexists (db:get-last-update-time
	       ;;(car tmpdb)) #f)) (fmt (file-modification-time
	       ;;tmpdbfname))
	       
	       (modtimedelta (and mtdbmodtime tmpdbmodtime (- mtdbmodtime tmpdbmodtime))))

	  (handle-exceptions
	   exn
	   (let ((call-chain (get-call-chain))
		 (msg        ((condition-property-accessor 'exn 'message) exn)))
	     (debug:print 0 log-port "ERROR: attempted to drop triggers on MTRA/megatest.db but failed. Error is " msg)
	     (set! write-access #f)) ;; if we failed to drop the triggers then we probably don't have write access
	   (when write-access
		 (sqlite3:execute (car mtdb) "drop trigger if exists update_tests_trigger")
		 (sqlite3:execute (car mtdb) "drop trigger if exists update_runs_trigger")))
          
          ;;(print "mtdbmodtime " mtdbmodtime " tmpdbmodtime "
          ;;tmpdbmodtime " mtdbpath " mtdbpath " " (conc *toppath*
          ;;"/megatest.db")) (debug:print-info 13 log-port
          ;;"db:open-db>> mtdbpath="mtdbpath" mtdbexists="mtdbexists"
          ;;and write-access="write-access)
          (if (and dbexists (not write-access))
              (begin
                (set! *db-write-access* #f)
                (alldat-read-only-set! alldat #t)))
          (alldat-mtdb-set!   alldat mtdb)
          (alldat-tmpdb-set!  alldat tmpdb)
          (alldat-dbstack-set! alldat (make-stack))   ;; why a stack?
          (stack-push! (alldat-dbstack alldat) tmpdb) ;; olddb is already a (cons db path)
          (alldat-refndb-set! alldat refndb)
          ;;	    (mutex-unlock! *rundb-mutex*)
          (if (and  (or (not dbfexists)
			(and modtimedelta
			     (> modtimedelta max-stale-tmp))) ;; if db in tmp is over ten seconds older than the file in MTRA then do a sync back
		    do-sync)
	      (begin
		(debug:print 1 log-port "filling db " (db:dbdat-get-path tmpdb) " with data \n    from " (db:dbdat-get-path mtdb) " mod time delta: " modtimedelta)
		(db:sync-tables (db:sync-all-tables-list alldat) #f mtdb refndb tmpdb)
					;touch tmp db to avoid wal mode wierdness  
		(set! (file-modification-time tmpdbfname) (current-seconds))  
                (debug:print-info 13 log-port "db:sync-all-tables-list done.")
                )
	      (debug:print 4 log-port " db, " (db:dbdat-get-path tmpdb) " already exists or fresh enough, not propogating data from\n     " (db:dbdat-get-path mtdb) " mod time delta: " modtimedelta) )
	  ;; (db:multi-db-sync alldat 'old2new))  ;; migrate data from megatest.db automatically
          tmpdb))))
)