Docker auf dem Raspberry Pi Zero in 15 Minuten – Wenzlaff.de

Docker ist schnell installiert, einfach nach der Aktuallisierung des Systems folgenden Befehl eingeben:

curl -sSL https://get.docker.com | sh

1	curl -sSL https://get.docker.com \| sh

Nun wollen wir den Docker-Kontainer mal schnell testen, in dem wir ein Alpinelinux laden und in einer Shell starten, da es nur ein paar MB sind, die geladen werden müssen:

sudo docker run -ti alpine:latest /bin/sh

1	sudo docker run -ti alpine:latest /bin/sh

Dann schauen wir doch mal, ob das Alpinelinux läuft:

Ok, es läuft.

Dann mal ein Prometheus Server laufen lassen:

sudo docker run –detach –name hello-world-prometheus –publish 8000:8080 infrastructureascode/hello-world

Abfrage dann mit:

curl http://0.0.0.0:8000/metrics

Ergebnis:

# HELP gin_request_duration_seconds The HTTP request latencies in seconds.
# TYPE gin_request_duration_seconds histogram
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.005"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.01"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.025"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.05"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.1"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.25"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.5"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="1"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="2.5"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="5"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="10"} 1
gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="+Inf"} 1
gin_request_duration_seconds_sum{code="200",method="GET",url="/health"} 9.8997e-05
gin_request_duration_seconds_count{code="200",method="GET",url="/health"} 1
# HELP gin_request_size_bytes The HTTP request sizes in bytes.
# TYPE gin_request_size_bytes summary
gin_request_size_bytes_sum 60
gin_request_size_bytes_count 1
# HELP gin_requests_total How many HTTP requests processed, partitioned by status code and HTTP method.
# TYPE gin_requests_total counter
gin_requests_total{code="200",handler="main.healthFunc",host="0.0.0.0:8000",method="GET",url="/health"} 1
# HELP gin_response_size_bytes The HTTP response sizes in bytes.
# TYPE gin_response_size_bytes summary
gin_response_size_bytes_sum 0
gin_response_size_bytes_count 1
# HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.
# TYPE go_gc_duration_seconds summary
go_gc_duration_seconds{quantile="0"} 0
go_gc_duration_seconds{quantile="0.25"} 0
go_gc_duration_seconds{quantile="0.5"} 0
go_gc_duration_seconds{quantile="0.75"} 0
go_gc_duration_seconds{quantile="1"} 0
go_gc_duration_seconds_sum 0
go_gc_duration_seconds_count 0
# HELP go_goroutines Number of goroutines that currently exist.
# TYPE go_goroutines gauge
go_goroutines 7
# HELP go_info Information about the Go environment.
# TYPE go_info gauge
go_info{version="go1.15.14"} 1
# HELP go_memstats_alloc_bytes Number of bytes allocated and still in use.
# TYPE go_memstats_alloc_bytes gauge
go_memstats_alloc_bytes 1.840544e+06
# HELP go_memstats_alloc_bytes_total Total number of bytes allocated, even if freed.
# TYPE go_memstats_alloc_bytes_total counter
go_memstats_alloc_bytes_total 1.840544e+06
# HELP go_memstats_buck_hash_sys_bytes Number of bytes used by the profiling bucket hash table.
# TYPE go_memstats_buck_hash_sys_bytes gauge
go_memstats_buck_hash_sys_bytes 3794
# HELP go_memstats_frees_total Total number of frees.
# TYPE go_memstats_frees_total counter
go_memstats_frees_total 2474
# HELP go_memstats_gc_cpu_fraction The fraction of this program's available CPU time used by the GC since the program started.
# TYPE go_memstats_gc_cpu_fraction gauge
go_memstats_gc_cpu_fraction 0
# HELP go_memstats_gc_sys_bytes Number of bytes used for garbage collection system metadata.
# TYPE go_memstats_gc_sys_bytes gauge
go_memstats_gc_sys_bytes 849920
# HELP go_memstats_heap_alloc_bytes Number of heap bytes allocated and still in use.
# TYPE go_memstats_heap_alloc_bytes gauge
go_memstats_heap_alloc_bytes 1.840544e+06
# HELP go_memstats_heap_idle_bytes Number of heap bytes waiting to be used.
# TYPE go_memstats_heap_idle_bytes gauge
go_memstats_heap_idle_bytes 1.400832e+06
# HELP go_memstats_heap_inuse_bytes Number of heap bytes that are in use.
# TYPE go_memstats_heap_inuse_bytes gauge
go_memstats_heap_inuse_bytes 2.49856e+06
# HELP go_memstats_heap_objects Number of allocated objects.
# TYPE go_memstats_heap_objects gauge
go_memstats_heap_objects 19642
# HELP go_memstats_heap_released_bytes Number of heap bytes released to OS.
# TYPE go_memstats_heap_released_bytes gauge
go_memstats_heap_released_bytes 1.368064e+06
# HELP go_memstats_heap_sys_bytes Number of heap bytes obtained from system.
# TYPE go_memstats_heap_sys_bytes gauge
go_memstats_heap_sys_bytes 3.899392e+06
# HELP go_memstats_last_gc_time_seconds Number of seconds since 1970 of last garbage collection.
# TYPE go_memstats_last_gc_time_seconds gauge
go_memstats_last_gc_time_seconds 0
# HELP go_memstats_lookups_total Total number of pointer lookups.
# TYPE go_memstats_lookups_total counter
go_memstats_lookups_total 0
# HELP go_memstats_mallocs_total Total number of mallocs.
# TYPE go_memstats_mallocs_total counter
go_memstats_mallocs_total 22116
# HELP go_memstats_mcache_inuse_bytes Number of bytes in use by mcache structures.
# TYPE go_memstats_mcache_inuse_bytes gauge
go_memstats_mcache_inuse_bytes 868
# HELP go_memstats_mcache_sys_bytes Number of bytes used for mcache structures obtained from system.
# TYPE go_memstats_mcache_sys_bytes gauge
go_memstats_mcache_sys_bytes 16384
# HELP go_memstats_mspan_inuse_bytes Number of bytes in use by mspan structures.
# TYPE go_memstats_mspan_inuse_bytes gauge
go_memstats_mspan_inuse_bytes 21280
# HELP go_memstats_mspan_sys_bytes Number of bytes used for mspan structures obtained from system.
# TYPE go_memstats_mspan_sys_bytes gauge
go_memstats_mspan_sys_bytes 32768
# HELP go_memstats_next_gc_bytes Number of heap bytes when next garbage collection will take place.
# TYPE go_memstats_next_gc_bytes gauge
go_memstats_next_gc_bytes 4.473924e+06
# HELP go_memstats_other_sys_bytes Number of bytes used for other system allocations.
# TYPE go_memstats_other_sys_bytes gauge
go_memstats_other_sys_bytes 420142
# HELP go_memstats_stack_inuse_bytes Number of bytes in use by the stack allocator.
# TYPE go_memstats_stack_inuse_bytes gauge
go_memstats_stack_inuse_bytes 294912
# HELP go_memstats_stack_sys_bytes Number of bytes obtained from system for stack allocator.
# TYPE go_memstats_stack_sys_bytes gauge
go_memstats_stack_sys_bytes 294912
# HELP go_memstats_sys_bytes Number of bytes obtained from system.
# TYPE go_memstats_sys_bytes gauge
go_memstats_sys_bytes 5.517312e+06
# HELP go_threads Number of OS threads created.
# TYPE go_threads gauge
go_threads 4
# HELP process_cpu_seconds_total Total user and system CPU time spent in seconds.
# TYPE process_cpu_seconds_total counter
process_cpu_seconds_total 0.44
# HELP process_max_fds Maximum number of open file descriptors.
# TYPE process_max_fds gauge
process_max_fds 1.048576e+06
# HELP process_open_fds Number of open file descriptors.
# TYPE process_open_fds gauge
process_open_fds 9
# HELP process_resident_memory_bytes Resident memory size in bytes.
# TYPE process_resident_memory_bytes gauge
process_resident_memory_bytes 1.1350016e+07
# HELP process_start_time_seconds Start time of the process since unix epoch in seconds.
# TYPE process_start_time_seconds gauge
process_start_time_seconds 1.66379207029e+09
# HELP process_virtual_memory_bytes Virtual memory size in bytes.
# TYPE process_virtual_memory_bytes gauge
process_virtual_memory_bytes 8.23549952e+08
# HELP process_virtual_memory_max_bytes Maximum amount of virtual memory available in bytes.
# TYPE process_virtual_memory_max_bytes gauge
process_virtual_memory_max_bytes 1.8446744073709552e+19
# HELP promhttp_metric_handler_requests_in_flight Current number of scrapes being served.
# TYPE promhttp_metric_handler_requests_in_flight gauge
promhttp_metric_handler_requests_in_flight 1
# HELP promhttp_metric_handler_requests_total Total number of scrapes by HTTP status code.
# TYPE promhttp_metric_handler_requests_total counter
promhttp_metric_handler_requests_total{code="200"} 0
promhttp_metric_handler_requests_total{code="500"} 0
promhttp_metric_handler_requests_total{code="503"} 0

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# HELP gin_request_duration_seconds The HTTP request latencies in seconds.

# TYPE gin_request_duration_seconds histogram

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.005"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.01"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.025"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.05"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.1"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.25"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="0.5"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="1"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="2.5"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="5"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="10"} 1

gin_request_duration_seconds_bucket{code="200",method="GET",url="/health",le="+Inf"} 1

gin_request_duration_seconds_sum{code="200",method="GET",url="/health"} 9.8997e-05

gin_request_duration_seconds_count{code="200",method="GET",url="/health"} 1

# HELP gin_request_size_bytes The HTTP request sizes in bytes.

# TYPE gin_request_size_bytes summary

gin_request_size_bytes_sum 60

gin_request_size_bytes_count 1

# HELP gin_requests_total How many HTTP requests processed, partitioned by status code and HTTP method.

# TYPE gin_requests_total counter

gin_requests_total{code="200",handler="main.healthFunc",host="0.0.0.0:8000",method="GET",url="/health"} 1

# HELP gin_response_size_bytes The HTTP response sizes in bytes.

# TYPE gin_response_size_bytes summary

gin_response_size_bytes_sum 0

gin_response_size_bytes_count 1

# HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.

# TYPE go_gc_duration_seconds summary

go_gc_duration_seconds{quantile="0"} 0

go_gc_duration_seconds{quantile="0.25"} 0

go_gc_duration_seconds{quantile="0.5"} 0

go_gc_duration_seconds{quantile="0.75"} 0

go_gc_duration_seconds{quantile="1"} 0

go_gc_duration_seconds_sum 0

go_gc_duration_seconds_count 0

# HELP go_goroutines Number of goroutines that currently exist.

# TYPE go_goroutines gauge

go_goroutines 7

# HELP go_info Information about the Go environment.

# TYPE go_info gauge

go_info{version="go1.15.14"} 1

# HELP go_memstats_alloc_bytes Number of bytes allocated and still in use.

# TYPE go_memstats_alloc_bytes gauge

go_memstats_alloc_bytes 1.840544e+06

# HELP go_memstats_alloc_bytes_total Total number of bytes allocated, even if freed.

# TYPE go_memstats_alloc_bytes_total counter

go_memstats_alloc_bytes_total 1.840544e+06

# HELP go_memstats_buck_hash_sys_bytes Number of bytes used by the profiling bucket hash table.

# TYPE go_memstats_buck_hash_sys_bytes gauge

go_memstats_buck_hash_sys_bytes 3794

# HELP go_memstats_frees_total Total number of frees.

# TYPE go_memstats_frees_total counter

go_memstats_frees_total 2474

# HELP go_memstats_gc_cpu_fraction The fraction of this program's available CPU time used by the GC since the program started.

# TYPE go_memstats_gc_cpu_fraction gauge

go_memstats_gc_cpu_fraction 0

# HELP go_memstats_gc_sys_bytes Number of bytes used for garbage collection system metadata.

# TYPE go_memstats_gc_sys_bytes gauge

go_memstats_gc_sys_bytes 849920

# HELP go_memstats_heap_alloc_bytes Number of heap bytes allocated and still in use.

# TYPE go_memstats_heap_alloc_bytes gauge

go_memstats_heap_alloc_bytes 1.840544e+06

# HELP go_memstats_heap_idle_bytes Number of heap bytes waiting to be used.

# TYPE go_memstats_heap_idle_bytes gauge

go_memstats_heap_idle_bytes 1.400832e+06

# HELP go_memstats_heap_inuse_bytes Number of heap bytes that are in use.

# TYPE go_memstats_heap_inuse_bytes gauge

go_memstats_heap_inuse_bytes 2.49856e+06

# HELP go_memstats_heap_objects Number of allocated objects.

# TYPE go_memstats_heap_objects gauge

go_memstats_heap_objects 19642

# HELP go_memstats_heap_released_bytes Number of heap bytes released to OS.

# TYPE go_memstats_heap_released_bytes gauge

go_memstats_heap_released_bytes 1.368064e+06

# HELP go_memstats_heap_sys_bytes Number of heap bytes obtained from system.

# TYPE go_memstats_heap_sys_bytes gauge

go_memstats_heap_sys_bytes 3.899392e+06

# HELP go_memstats_last_gc_time_seconds Number of seconds since 1970 of last garbage collection.

# TYPE go_memstats_last_gc_time_seconds gauge

go_memstats_last_gc_time_seconds 0

# HELP go_memstats_lookups_total Total number of pointer lookups.

# TYPE go_memstats_lookups_total counter

go_memstats_lookups_total 0

# HELP go_memstats_mallocs_total Total number of mallocs.

# TYPE go_memstats_mallocs_total counter

go_memstats_mallocs_total 22116

# HELP go_memstats_mcache_inuse_bytes Number of bytes in use by mcache structures.

# TYPE go_memstats_mcache_inuse_bytes gauge

go_memstats_mcache_inuse_bytes 868

# HELP go_memstats_mcache_sys_bytes Number of bytes used for mcache structures obtained from system.

# TYPE go_memstats_mcache_sys_bytes gauge

go_memstats_mcache_sys_bytes 16384

# HELP go_memstats_mspan_inuse_bytes Number of bytes in use by mspan structures.

# TYPE go_memstats_mspan_inuse_bytes gauge

go_memstats_mspan_inuse_bytes 21280

# HELP go_memstats_mspan_sys_bytes Number of bytes used for mspan structures obtained from system.

# TYPE go_memstats_mspan_sys_bytes gauge

go_memstats_mspan_sys_bytes 32768

# HELP go_memstats_next_gc_bytes Number of heap bytes when next garbage collection will take place.

# TYPE go_memstats_next_gc_bytes gauge

go_memstats_next_gc_bytes 4.473924e+06

# HELP go_memstats_other_sys_bytes Number of bytes used for other system allocations.

# TYPE go_memstats_other_sys_bytes gauge

go_memstats_other_sys_bytes 420142

# HELP go_memstats_stack_inuse_bytes Number of bytes in use by the stack allocator.

# TYPE go_memstats_stack_inuse_bytes gauge

go_memstats_stack_inuse_bytes 294912

# HELP go_memstats_stack_sys_bytes Number of bytes obtained from system for stack allocator.

# TYPE go_memstats_stack_sys_bytes gauge

go_memstats_stack_sys_bytes 294912

# HELP go_memstats_sys_bytes Number of bytes obtained from system.

# TYPE go_memstats_sys_bytes gauge

go_memstats_sys_bytes 5.517312e+06

# HELP go_threads Number of OS threads created.

# TYPE go_threads gauge

go_threads 4

# HELP process_cpu_seconds_total Total user and system CPU time spent in seconds.

# TYPE process_cpu_seconds_total counter

process_cpu_seconds_total 0.44

# HELP process_max_fds Maximum number of open file descriptors.

# TYPE process_max_fds gauge

process_max_fds 1.048576e+06

# HELP process_open_fds Number of open file descriptors.

# TYPE process_open_fds gauge

process_open_fds 9

# HELP process_resident_memory_bytes Resident memory size in bytes.

# TYPE process_resident_memory_bytes gauge

process_resident_memory_bytes 1.1350016e+07

# HELP process_start_time_seconds Start time of the process since unix epoch in seconds.

# TYPE process_start_time_seconds gauge

process_start_time_seconds 1.66379207029e+09

# HELP process_virtual_memory_bytes Virtual memory size in bytes.

# TYPE process_virtual_memory_bytes gauge

process_virtual_memory_bytes 8.23549952e+08

# HELP process_virtual_memory_max_bytes Maximum amount of virtual memory available in bytes.

# TYPE process_virtual_memory_max_bytes gauge

process_virtual_memory_max_bytes 1.8446744073709552e+19

# HELP promhttp_metric_handler_requests_in_flight Current number of scrapes being served.

# TYPE promhttp_metric_handler_requests_in_flight gauge

promhttp_metric_handler_requests_in_flight 1

# HELP promhttp_metric_handler_requests_total Total number of scrapes by HTTP status code.

# TYPE promhttp_metric_handler_requests_total counter

promhttp_metric_handler_requests_total{code="200"} 0

promhttp_metric_handler_requests_total{code="500"} 0

promhttp_metric_handler_requests_total{code="503"} 0

Infos zu dem infrastructureascode/hello-world.

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