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fix: avoid stopping nginx-agent service on package upgrade (#352)
* fix: restart service on package upgrade on Debian/Ubuntu Previously it was stopped during the executing of package scripts due to incorrect behavior in prerm: https://www.debian.org/doc/debian-policy/ch-maintainerscripts.html#summary-of-ways-maintainer-scripts-are-called * fix: do not stop service on upgrade (RHEL-based distros) * Avoid restarting nginx-agent service from pkg on FreeBSD during upgrades This will end up with a new process being killed immediately by pkg: https://github.com/freebsd/pkg/blob/1.19.1/libpkg/scripts.c#L100-L103 https://github.com/freebsd/pkg/blob/1.19.1/libpkg/scripts.c#L244-L261 See also: freebsd/pkg#2128 * feat: OpenRC package scripts for Alpine Linux * chore: add Alpine Linux instructions to README While here, removed extra trailing spaces across the doc. * chore: adjust service description, remove modelines * chore: remove leading underscore from shell func names
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| #!/sbin/openrc-run | ||
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| description="NGINX Agent" | ||
| command_background=true | ||
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| cfgfile=${cfgfile:-/etc/nginx-agent/nginx-agent.conf} | ||
| pidfile=/var/run/nginx-agent.pid | ||
| command=/usr/bin/nginx-agent | ||
| command_args="" | ||
| required_files="$cfgfile" | ||
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||
| depend() { | ||
| need net | ||
| use dns logger netmount | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,21 +1,68 @@ | ||
| #!/bin/sh | ||
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| # Determine OS platform | ||
| # shellcheck source=/dev/null | ||
| . /etc/os-release | ||
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| if [ "$ID" = "freebsd" ]; then | ||
| echo "Stop and remove nginx-agent service" | ||
| stop_agent_freebsd() { | ||
| echo "Stopping nginx-agent service" | ||
| service nginx-agent onestop >/dev/null 2>&1 || true | ||
| } | ||
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| disable_agent_freebsd() { | ||
| echo "Disabling nginx-agent service" | ||
| sysrc -x nginx_agent_enable >/dev/null 2>&1 || true | ||
| elif command -V systemctl >/dev/null 2>&1; then | ||
| echo "Stop and disable nginx-agent service" | ||
| } | ||
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| stop_agent_systemd() { | ||
| echo "Stopping nginx-agent service" | ||
| systemctl stop nginx-agent >/dev/null 2>&1 || true | ||
| } | ||
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| disable_agent_systemd() { | ||
| echo "Disabling nginx-agent service" | ||
| systemctl disable nginx-agent >/dev/null 2>&1 || true | ||
| } | ||
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| systemd_daemon_reload() { | ||
| echo "Running daemon-reload" | ||
| systemctl daemon-reload || true | ||
| fi | ||
| } | ||
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| cleanup() { | ||
| echo "Removing /var/run/nginx-agent directory" | ||
| rm -rf "/var/run/nginx-agent" | ||
| } | ||
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| echo "Removing /var/run/nginx-agent directory" | ||
| rm -rf "/var/run/nginx-agent" | ||
| echo "Removing /var/log/nginx-agent directory" | ||
| rm -rf "/var/log/nginx-agent" | ||
| case "$ID" in | ||
| freebsd) | ||
| stop_agent_freebsd | ||
| disable_agent_freebsd | ||
| cleanup | ||
| ;; | ||
| debian|ubuntu) | ||
| if [ "$1" = "remove" ]; then | ||
| stop_agent_systemd | ||
| disable_agent_systemd | ||
| systemd_daemon_reload | ||
| cleanup | ||
| fi | ||
| ;; | ||
| rhel|fedora|centos|amzn|almalinux|rocky) | ||
| if [ "$1" = "0" ]; then | ||
| stop_agent_systemd | ||
| disable_agent_systemd | ||
| systemd_daemon_reload | ||
| cleanup | ||
| fi | ||
| ;; | ||
| alpine) | ||
| cleanup | ||
| ;; | ||
| *) | ||
| stop_agent_systemd | ||
| disable_agent_systemd | ||
| systemd_daemon_reload | ||
| cleanup | ||
| ;; | ||
| esac |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| #!/bin/sh | ||
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| NEWVER="$1" | ||
| OLDVER="$2" | ||
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| restart_agent_if_required() { | ||
| if service nginx-agent status >/dev/null 2>&1; then | ||
| printf "PostUpgrade: Restarting nginx agent (upgraded to %s from %s)\n" "$NEWVER" "$OLDVER" | ||
| service nginx-agent restart || true | ||
| fi | ||
| } | ||
|
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| # Determine OS platform | ||
| # shellcheck source=/dev/null | ||
| . /etc/os-release | ||
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| case "$ID" in | ||
| alpine) | ||
| restart_agent_if_required | ||
| ;; | ||
| esac |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
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@@ -164,4 +164,4 @@ update_config_file() { | |
| ensure_sudo | ||
| load_config_values | ||
| update_config_file | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,17 @@ | ||
| #!/bin/sh | ||
| # Pre Remove Steps | ||
|
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| # Determine OS platform | ||
| # shellcheck source=/dev/null | ||
| . /etc/os-release | ||
|
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| stop_agent_openrc() { | ||
| echo "Stopping nginx-agent service" | ||
| service nginx-agent stop 2>&1 || true | ||
| } | ||
|
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| case "$ID" in | ||
| alpine) | ||
| stop_agent_openrc | ||
| ;; | ||
| esac |