Lab9 by Valentin Chernyshov

.github/workflows/lab9.yml

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+
+name: GitHub Actions Demo
+run-name: ${{ github.actor }} is testing out GitHub Actions 🚀
+
+on: [ push, workflow_dispatch ]
+
+jobs:
+  Job:
+    runs-on: ubuntu-latest
+    env:
+      SYS_METRICS: metrics.txt
+    steps:
+      - name: Collect metrics
+        run: | 
+          printf "CPU Info\n\n" >> $SYS_METRICS 
+          cat /proc/cpuinfo >> $SYS_METRICS
+          printf "Memory Info\n\n" >> $SYS_METRICS
+          cat /proc/meminfo >> $SYS_METRICS
+          printf "OS Info\n\n" >> $SYS_METRICS
+          cat /etc/os-release >> $SYS_METRICS
+      - name: Subbmit metrics
+        uses: actions/upload-artifact@v4
+        with:
+          name: system_metrcis_report
+          path: ${{ env.SYS_METRICS }}

.gitignore

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+ipfs*/

submitions/lab9/metrics.txt

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+CPU Info
+
+processor	: 0
+vendor_id	: AuthenticAMD
+cpu family	: 25
+model		: 1
+model name	: AMD EPYC 7763 64-Core Processor
+stepping	: 1
+microcode	: 0xffffffff
+cpu MHz		: 2445.426
+cache size	: 512 KB
+physical id	: 0
+siblings	: 4
+core id		: 0
+cpu cores	: 2
+apicid		: 0
+initial apicid	: 0
+fpu		: yes
+fpu_exception	: yes
+cpuid level	: 13
+wp		: yes
+flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl tsc_reliable nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext invpcid_single vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr rdpru arat npt nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload umip vaes vpclmulqdq rdpid fsrm
+bugs		: sysret_ss_attrs null_seg spectre_v1 spectre_v2 spec_store_bypass srso
+bogomips	: 4890.85
+TLB size	: 2560 4K pages
+clflush size	: 64
+cache_alignment	: 64
+address sizes	: 48 bits physical, 48 bits virtual
+power management:
+
+processor	: 1
+vendor_id	: AuthenticAMD
+cpu family	: 25
+model		: 1
+model name	: AMD EPYC 7763 64-Core Processor
+stepping	: 1
+microcode	: 0xffffffff
+cpu MHz		: 3243.612
+cache size	: 512 KB
+physical id	: 0
+siblings	: 4
+core id		: 0
+cpu cores	: 2
+apicid		: 1
+initial apicid	: 1
+fpu		: yes
+fpu_exception	: yes
+cpuid level	: 13
+wp		: yes
+flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl tsc_reliable nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext invpcid_single vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr rdpru arat npt nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload umip vaes vpclmulqdq rdpid fsrm
+bugs		: sysret_ss_attrs null_seg spectre_v1 spectre_v2 spec_store_bypass srso
+bogomips	: 4890.85
+TLB size	: 2560 4K pages
+clflush size	: 64
+cache_alignment	: 64
+address sizes	: 48 bits physical, 48 bits virtual
+power management:
+
+processor	: 2
+vendor_id	: AuthenticAMD
+cpu family	: 25
+model		: 1
+model name	: AMD EPYC 7763 64-Core Processor
+stepping	: 1
+microcode	: 0xffffffff
+cpu MHz		: 3143.141
+cache size	: 512 KB
+physical id	: 0
+siblings	: 4
+core id		: 1
+cpu cores	: 2
+apicid		: 2
+initial apicid	: 2
+fpu		: yes
+fpu_exception	: yes
+cpuid level	: 13
+wp		: yes
+flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl tsc_reliable nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext invpcid_single vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr rdpru arat npt nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload umip vaes vpclmulqdq rdpid fsrm
+bugs		: sysret_ss_attrs null_seg spectre_v1 spectre_v2 spec_store_bypass srso
+bogomips	: 4890.85
+TLB size	: 2560 4K pages
+clflush size	: 64
+cache_alignment	: 64
+address sizes	: 48 bits physical, 48 bits virtual
+power management:
+
+processor	: 3
+vendor_id	: AuthenticAMD
+cpu family	: 25
+model		: 1
+model name	: AMD EPYC 7763 64-Core Processor
+stepping	: 1
+microcode	: 0xffffffff
+cpu MHz		: 2445.426
+cache size	: 512 KB
+physical id	: 0
+siblings	: 4
+core id		: 1
+cpu cores	: 2
+apicid		: 3
+initial apicid	: 3
+fpu		: yes
+fpu_exception	: yes
+cpuid level	: 13
+wp		: yes
+flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl tsc_reliable nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext invpcid_single vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr rdpru arat npt nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload umip vaes vpclmulqdq rdpid fsrm
+bugs		: sysret_ss_attrs null_seg spectre_v1 spectre_v2 spec_store_bypass srso
+bogomips	: 4890.85
+TLB size	: 2560 4K pages
+clflush size	: 64
+cache_alignment	: 64
+address sizes	: 48 bits physical, 48 bits virtual
+power management:
+
+Memory Info
+
+MemTotal:       16364592 kB
+MemFree:        14545208 kB
+MemAvailable:   15273312 kB
+Buffers:          174344 kB
+Cached:           623128 kB
+SwapCached:            0 kB
+Active:           944420 kB
+Inactive:         277556 kB
+Active(anon):     456992 kB
+Inactive(anon):        0 kB
+Active(file):     487428 kB
+Inactive(file):   277556 kB
+Unevictable:       47116 kB
+Mlocked:           44044 kB
+SwapTotal:       4194300 kB
+SwapFree:        4194300 kB
+Zswap:                 0 kB
+Zswapped:              0 kB
+Dirty:               592 kB
+Writeback:             0 kB
+AnonPages:        462396 kB
+Mapped:           359516 kB
+Shmem:             23424 kB
+KReclaimable:     308740 kB
+Slab:             383320 kB
+SReclaimable:     308740 kB
+SUnreclaim:        74580 kB
+KernelStack:        4128 kB
+PageTables:         5268 kB
+SecPageTables:         0 kB
+NFS_Unstable:          0 kB
+Bounce:                0 kB
+WritebackTmp:          0 kB
+CommitLimit:    12376596 kB
+Committed_AS:    2120404 kB
+VmallocTotal:   34359738367 kB
+VmallocUsed:       36696 kB
+VmallocChunk:          0 kB
+Percpu:             2288 kB
+HardwareCorrupted:     0 kB
+AnonHugePages:    163840 kB
+ShmemHugePages:        0 kB
+ShmemPmdMapped:        0 kB
+FileHugePages:         0 kB
+FilePmdMapped:         0 kB
+Unaccepted:            0 kB
+HugePages_Total:       0
+HugePages_Free:        0
+HugePages_Rsvd:        0
+HugePages_Surp:        0
+Hugepagesize:       2048 kB
+Hugetlb:               0 kB
+DirectMap4k:      104384 kB
+DirectMap2M:     4089856 kB
+DirectMap1G:    14680064 kB
+OS Info
+
+PRETTY_NAME="Ubuntu 22.04.5 LTS"
+NAME="Ubuntu"
+VERSION_ID="22.04"
+VERSION="22.04.5 LTS (Jammy Jellyfish)"
+VERSION_CODENAME=jammy
+ID=ubuntu
+ID_LIKE=debian
+HOME_URL="https://www.ubuntu.com/"
+SUPPORT_URL="https://help.ubuntu.com/"
+BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
+PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
+UBUNTU_CODENAME=jammy

submitions/lab9/submition9.md

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+# Lab9
+
+## Task 1
+
+1. Create basic action from the [quick start guide](https://docs.github.com/en/actions/quickstart)
+    -  Create [yml file](../../.github/workflows/lab9.yml)
+    - Put the Content of example yml file provided by the guide inside
+    - Push changes to a new branch
+    - Observe
+2. Observations:
+    - We have created an actions with the name specified in `run-name` 
+    ![alt text](1.png)
+    - The provided example shows the following features of github actions
+        - We could specify when to run the action with `on: [<action>]`
+        - We could define a set of jobs which are the scripts that would be run by the github with `jobs:`
+        - inside we could spesify the machine that would be used in order to execude the job with `runs-on: <machine>`. it could be a github machine as spesified in the example or any other runner including a self-hosted runner as spesified [here](https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#jobsjob_idruns-on)
+        - The Job consists of the steps, which are the commands executed sequentially
+        - The steps could be either a terminal commands like `- run: echo "<someText>"` or third-party actions created by github users like `- uses: actions/checkout@v4`
+        - The steps could have its own name defined by `- name: <step name>`
+        - The actions could use environment variables. it includes:
+            - Build-in vars: `github.repository`
+            - Repository vars: `vars.ASDF`, `secrets.ASDF`
+            - User defined vars: 
+                ```yml
+                env:
+                    ASDF: <var content>
+                jobs:
+                    JoB:
+                        runs-on: ubuntu-latest
+                        env:
+                            ASDF1: <Another var content>
+                        steps:
+                            - run: echo "$ASDF $ASDF1 $ASDF2"
+                              env:
+                                  ASDF2: <Third var:)>
+                ```
+        - We could run several jobs in parallel by defining several jobs
+            ```yml
+                Job1:
+                    <job>
+                Job2:
+                    <job>
+            ```
+        - We could run jobs sequentially by specifying which jobs has to end before the following job
+            ```yml
+                Job1:
+                    <job>
+                Job2:
+                    needs: [Job1]
+                    <job>
+            ```
+        - The result of sequential and parallel jobs ![alt text](2.png)
+3. Random fact: If you use windows as a machine that executes a job, it could not run docker based actions. It makes a lot of third-party containers useless
+4. Faced problems:
+    - in yml the spaces are important as in python :3
+    ![alt text](3.png)
+
+## Task 2
+
+1. Make manual trigger for action
+    - add the `workflow_dispatch` trigger
+    ```yml
+    on: [ push, workflow_dispatch ]
+    ```
+    - And now it could be manually triggered
+    ![alt text](4.png)
+2. Collect system information
+    - Make a new job for metric collection
+    - Use all the commands that were used in Lab 7
+    ```yml
+    jobs:
+        Job:
+            runs-on: ubuntu-latest
+            steps:
+            - run: cat /proc/cpuinfo
+            - run: cat /proc/meminfo
+            - run: cat /etc/os-release
+    ``` 
+    - Result
+    ![alt text](5.png)
+    - Make it prettier and upload the report with performed commands
+    ```yml
+    jobs:
+        Job:
+            runs-on: ubuntu-latest
+            env:
+            SYS_METRICS: metrics.txt
+            steps:
+            - name: Collect metrics
+              run: | 
+                printf "CPU Info\n\n" >> $SYS_METRICS 
+                cat /proc/cpuinfo >> $SYS_METRICS
+                printf "Memory Info\n\n" >> $SYS_METRICS
+                cat /proc/meminfo >> $SYS_METRICS
+                printf "OS Info\n\n" >> $SYS_METRICS
+                cat /etc/os-release >> $SYS_METRICS
+            - name: Subbmit metrics
+              uses: actions/upload-artifact@v4
+              with:
+                name: system_metrics_report
+                path: ${{ env.  SYS_METRICS }}
+    ```
+    ![alt text](6.png)
+    - As result we have a [txt file that holds all the metrics we collected](./metrics.txt)
+    - From the collected metrics we could say that the system uses `AMD EPYC 7763 64-Core Processor` processor. And we have access to 4 cores
+    - The operating system is `Ubuntu 22.04.5 LTS` as expected
+    - The system has `MemTotal: 16364592 kB` which is about 16 GB of RAM