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authorZach van Rijn <me@zv.io>2021-10-06 14:17:29 +0000
committerZach van Rijn <me@zv.io>2021-10-06 14:17:29 +0000
commit72184f66e21753294fd2f848e98ab6935f7c1e30 (patch)
treeb10a3c7d16187cc67e99b9be5d6543fdb13b58c8 /scripts
parent089b0a35272401b829c1c547df2ff1e33cd59402 (diff)
parentaf52f540a750ec8ef4700711ea87c50f9b385fb1 (diff)
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Merge branch '20211005-zv-healthchecks' into 'master'
scripts/healthchecks: add new upstream source url and file validator See merge request adelie/packages!627
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/healthchecks224
1 files changed, 224 insertions, 0 deletions
diff --git a/scripts/healthchecks b/scripts/healthchecks
new file mode 100755
index 000000000..9742ec3fd
--- /dev/null
+++ b/scripts/healthchecks
@@ -0,0 +1,224 @@
+#!/bin/sh -e
+
+##
+# The purpose of this script is to validate APKBUILD source URLs
+# and to cache them in a distfiles-compatible format.
+#
+# Usage: ./healthchecks [MAINTAINER]
+#
+# The optional 'MAINTAINER' argument is passed to 'grep' and is
+# used to filter out non-matching packages. Example: 'Dan'.
+#
+# In addition to server and file availability checks, expected
+# and actual (computed) checksums are compared. Files which are
+# already present in the cache directory are skipped.
+#
+# Currently, up to approximately 9 GB of data may be downloaded.
+
+
+#---------------------------------------------------------------
+# internal
+
+##
+# Configurable paths.
+#
+HERE="$(dirname $(readlink -f ${0}))";
+TEMP="$(mktemp -d)"; # tmp dir for intermediate files
+SAVE="/var/www/source/archive"; # successful download cache dir
+
+
+##
+# Globals.
+#
+what=; # package location and name
+name=; # direct file name
+down=; # direct download URL
+okay=; # status of last file downloaded
+
+
+#---------------------------------------------------------------
+# support routines
+
+##
+# try_down
+#
+# Attempts to download the requested file and name accordingly.
+#
+# Input: 'name' and 'down' global variables, a file name and URL
+# respectively. Redirects are followed during file download. If
+# successful, file is moved to a cache. Failures are recorded.
+#
+try_down ()
+{
+ printf " - %s (%s)\n" "${down}" "${name}";
+
+ okay=0;
+ test -f "${name}" && return;
+
+ ##
+ # Download the file and set global 'okay' to curl retval.
+ #
+ curl --connect-timeout 10 -sLo "${TEMP}/${name}" "${down}" || okay=${?};
+
+
+ ##
+ # Record any possible failure if new, otherwise delete it.
+ #
+ if test ${okay} -ne 0; then
+ grep 1>/dev/null "${name}" "${SAVE}/_savefail.txt" && return;
+ printf >> "${SAVE}/_savefail.txt" "%s\t%s %s\n" \
+ "${okay}" "${name}" "${down}" \
+ ;
+ return;
+ else
+ sed -i "${SAVE}/_savefail.txt" -e "/\b${name}\b/d";
+ fi
+
+
+ ##
+ # Successful download; move the file to the cache directory.
+ #
+ mv "${TEMP}/${name}" "${name}";
+}
+
+
+##
+# get_what APKBUILD
+#
+# Parses the absolute path of an APKBUILD file (argument) into a
+# global 'what' variable updated to contain the category/name of
+# the package in question.
+#
+get_what ()
+{
+ deep=$(echo ${1} | tr -cd '/' | wc -c);
+ what=$(echo ${1%/APKBUILD} | cut -d'/' -f$((${deep}-1)),${deep});
+}
+
+
+##
+# gen_sums
+#
+# Generates a SHA512 checksum when an entry for the package does
+# not already exist.
+#
+# Input: 'name' and 'down' global variables, a file name and URL
+# respectively. Appends two lines to SHA512SUMS file, expected
+# and actual. Duplicate lines can be removed to show issues.
+#
+# Subsequent execution of this script with new input will result
+# in an inconsistent sort order, but will not cause breakage.
+#
+gen_sums ()
+{
+ grep 1>/dev/null "${name}" "${SAVE}/SHA512SUMS" && return;
+
+ printf "%s\n" "${sha512sums}" \
+ | grep "${name}" >> "${SAVE}/SHA512SUMS" \
+ ;
+
+ sha512sum >> "${SAVE}/SHA512SUMS" "${name}";
+}
+
+
+#---------------------------------------------------------------
+# main loop
+
+mkdir -p "${SAVE}";
+touch "${SAVE}/_savefail.txt";
+touch "${SAVE}/SHA512SUMS";
+
+printf "We will now begin processing matching packages:\n";
+
+find "${HERE}/.." -type f -name APKBUILD | sort | while read k; do
+
+ ##
+ # Source the APKBUILD to set up environment for analysis.
+ #
+ . "${k}";
+
+
+ ##
+ # If a maintainer is specified, filter out non-matches.
+ #
+ if test ${#} -eq 1; then
+ grep 1>/dev/null Maintainer:\ ${1} ${k} || continue;
+ fi
+
+
+ ##
+ # Determine how many directories deep the APKBUILD file is,
+ # then print the package name and location.
+ #
+ get_what "${k}";
+ printf "\n * %s\n" "${what}";
+
+
+ ##
+ # Each word in the 'source' variable is one of these cases:
+ #
+ # 1. FILENAME::URL (contains '//' and '::')
+ #
+ # 2. URL (contains '//' and not '::')
+ #
+ # 3. FILENAME (does not contain '::' or '//')
+ #
+ # We only care about cases 1 and 2; case 3 is ignored.
+ #
+ mkdir -p "${SAVE}/${pkgname}-${pkgver}";
+ cd "${SAVE}/${pkgname}-${pkgver}";
+ for f in ${source}; do
+
+ ##
+ # Case 1: FILENAME::URL
+ #
+ if test $(echo ${f} | grep // | grep ::); then
+ name=${f%::*};
+ down=${f#*::};
+
+ ##
+ # Case 2: URL
+ #
+ elif test $(echo ${f} | grep // | grep -v ::); then
+ name=${f##*/};
+ down=${f};
+
+ ##
+ # Case 3: FILENAME (NOP).
+ #
+ else
+ continue;
+ fi
+
+
+ ##
+ # Attempt to download the current file. Sets 'okay'.
+ #
+ try_down;
+ test ${okay} -eq 0 || continue;
+
+
+ ##
+ # The file exists; checksum it.
+ #
+ gen_sums;
+
+ done
+
+done
+
+
+#---------------------------------------------------------------
+# analysis
+
+printf "\nThe following source files failed to download:\n\n";
+cat "${SAVE}/_savefail.txt";
+
+printf "\nThe following source files exist but mismatch:\n\n";
+uniq -u "${SAVE}/SHA512SUMS" | tee "${SAVE}/_hashfail.txt";
+
+
+#---------------------------------------------------------------
+# cleanup
+
+rm -fr "${TEMP}";