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Tests node local checkpointing on the Sky platform. A single node checkpoints and rollbacks with a repeating echo background process. Running examples/sky-shell/sky-shell.c
95 lines
2.8 KiB
JavaScript
95 lines
2.8 KiB
JavaScript
TIMEOUT(120000, log.log("timeout at phase " + phase + ". last message: " + msg + "\n"));
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phase=0;
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/* Wait until node has booted */
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WAIT_UNTIL(msg.startsWith('Starting'));
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log.log("Shell started\n");
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phase++;
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/* 1. BACKGROUND PROCESS - NO CHECKPOINTING */
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node.write("repeat 10 1 echo bg process &");
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log.log("Starting background process without checkpointing\n");
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expected=10;
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while (expected > 0) {
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YIELD_THEN_WAIT_UNTIL(msg.contains('bg process'));
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expected--;
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}
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/* Make sure background process has exited */
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GENERATE_MSG(3000, "continue");
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while (!msg.contains('continue')) {
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YIELD();
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if (msg.contains('bg process')) {
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log.log("Too many bg messages at phase: " + phase + "\n");
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log.testFailed(); /* We are done! */
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while (true) YIELD();
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}
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}
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log.log("Background process without checkpointing done\n\n");
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phase++;
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/* 2. BACKGROUND PROCESS - CHECKPOINTING EVERY SECOND */
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node.write("repeat 10 1 echo bg process &");
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log.log("Starting background process with periodic checkpointing\n");
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expected=10;
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while (expected > 0) {
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YIELD_THEN_WAIT_UNTIL(msg.contains('bg process'));
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expected--;
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node.write("checkpoint file" + expected);
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}
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/* Make sure background process has exited */
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GENERATE_MSG(3000, "continue");
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while (!msg.contains('continue')) {
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YIELD();
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if (msg.contains('bg process')) {
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log.log("Too many bg messages at phase: " + phase + "\n");
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log.testFailed(); /* We are done! */
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while (true) YIELD();
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}
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}
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log.log("Background process with periodic checkpointing done\n\n");
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phase++;
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/* 3. LIST ALL FILES */
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node.write("ls");
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YIELD_THEN_WAIT_UNTIL(msg.contains('file9'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file8'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file7'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file6'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file5'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file4'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file3'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file2'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file1'));
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YIELD_THEN_WAIT_UNTIL(msg.contains('file0'));
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GENERATE_MSG(1000, "continue");
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YIELD_THEN_WAIT_UNTIL(msg.contains('continue'));
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log.log("All checkpoints are stored in the filesystem\n\n");
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phase++;
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/* 4. ROLLBACK TO RESTORE BACKGROUND PROCESS */
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node.write("rollback file7");
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log.log("Rollingt back background process at count 7\n");
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expected=7;
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while (expected > 0) {
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YIELD_THEN_WAIT_UNTIL(msg.contains('bg process'));
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expected--;
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}
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/* Make sure background process has exited */
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GENERATE_MSG(3000, "continue");
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while (!msg.contains('continue')) {
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YIELD();
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if (msg.contains('bg process')) {
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log.log("Too many bg messages at phase: " + phase + "\n");
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log.testFailed(); /* We are done! */
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while (true) YIELD();
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}
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}
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log.log("Background process was rolled back successfully\n\n");
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phase++;
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log.testOK(); /* We are done! */
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